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Football Positions Buying Guide

Football Positions Buying Guide

2021-11-13
Digah Company
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Understand Football Positions
Understand Football Positions
An overview of football positionsAnders Torstensson is a Swedish football manager. His last position was manager of Mjällby AIF.Explain Positions in touch Football !!? of football positionsTouch Football Positionsi need help with soccer positions? of football positionsSoccer has many different positions and many different names that come along with them.Each player position has his own very specific task, from defending against opponent attacks to scoring.To simplify, we will categorize the football positions into four: the goalkeeper, defenders, midfielders, and forwards.Goalkeeper (GK)The goalkeeper is simply known as the guy with gloves who keeps the opponents from scoring. He has a special position because only him can play the ball with his hands (provided that he is inside his own penalty area and the ball was not deliberately passed to him by a team mate).Aside from being the last line of defense, the goalkeeper is the first person in attack. That is why keepers who can make good goal kicks and strategic ball throws to team mates are valuable.The goalie has four main roles: saving, clearing, directing the defense, and distributing the ball. Saving is the act of preventing the ball from entering the net while clearing means keeping the ball far from the goal area.The goalkeeper has the role of directing the defense since he is the farthest player at the back and he can see where the defenders should position themselves.Distributing the ball happens when a goalkeeper decides whether to kick the ball or throw it after making a save. Where the keeper throws or kicks the ball is the first instance of attack.Some ofhistory's finest goalkeepersare Lev Yashin, Gordon Banks, Dino Zoff, Peter Schmeichel, and Gianluigi Buffon.DefendersA defender's task is to keep the ball away from the keeper, prevent opposing attackers from passing or receiving, and block shots. Defending requires a player to be well-fit, hard-working, and quick at anticipating the movement of the opponents.Defenders must protect the keeper: they should think of the goalie as an important person that opponents are not allowed to get near to. Typically, teams play with four defenders.Center-back/center-half/central defender (CB)In a four-player defense, the center-backs are the two defenders in the middle. They are erroneously called center-halves, because in anobsolete football formationcalled the 2-3-5, the "3" players are designated with that name. As tactics evolved, the "3" dropped to "center-back" but still retained the name "center-half."A center back must be strong, fearless, and good at timing tackles. Being tall is an advantage for a center-back as it allows him to win the ball in the air, an essential skill in corner kick situations. Ronald Koeman, Fabio Cannavaro, and Franco Baresi are some of the greatest center backs of all time.Full-back (LB, FB)A full-back is a defender positioned on the side. They are either classified as left back (LB) or right back (RB). The defenders positioned between them are called centerbacks.The full-back is tasked to prevent opponents from attacking on the sides. He must be quick and must be able to prevent opponents from making a cross. He is often assigned to mark the opposing winger.Wing-back (LWB, RWB)A wing-back is a full-back that advances up to the opponent's goal end. He runs the wholelength of the football pitch: he defends the flanks like a dedicated full-back and attacks like a winger.This is the most physically demanding position on the field. Cafu and Roberto Carlos are two of the best wing-backs ever.Sweeper (SW)A sweeper is located at the back of the defensive line, just in front of the keeper. This position is no longer popularly used in the modern game but was popular in the past especially with thecatenaccio system of Italy.A sweeper's task is to clear the ball in case it breaks through the defenders. He does not man-mark an opponent so he can collect loose balls or go upfield to bring the ball forward in attack. TheGerman football legendFranz Beckenbauer is the most remarkable of all sweepers.MidfieldersMidfielders link the offense and the defense: they bring the ball up to the forwards in attack and prevent the ball from reaching the defenders when not in possession. You can think of them as the telephone line that connects two people.Without a solid midfield, it is very difficult for the forwards to score and the defense is often put at risk of the opponents' attacks. Below are the many types of midfielders and the roles they perform.Defending/Holding midfielder (DM)A defending or holding midfielder is stationed just in front of the defensive line. His responsibility is to prevent the ball from reaching the defensive line. He must be skilled at intercepting passes, tackling the ball, and positioning themselves strategically.Claude Makelele and Dunga are two of the great holding midfielders.Central/Box-to-box midfielder (CM)A central midfielder is stationed at the center of the field. If he plays both offense and defense, he is called a box-to-box midfielder. The name implies that he runs from his own penalty box to the opponent's to fulfill different roles.A box-to-box midfielder does the following: create opportunities for the striker and stop the opponent's attacks. Stamina, technical ability, and relentless hard-work are the attributes of this type of midfielder. Steven Gerrard is the best box-to-box midfielder of his era.Attacking midfielder/playmaker (AM)The attacking midfielder is an advanced midfield player who is primarily inclined to attack. He must have excellent ball control abilities and tactical awareness.A playmaker occupies the same position as an attacking midfielder but performs a different role. This guy is considered the brain of the team, the most skilled player who orchestrates the attack and distributes the ball. A playmaker must be good in decision-making and as thefootball sayinggoes: when you don't know what to do with the ball, you pass it to him.The playmaker often wears the number 10 jersey. Some of the most famous playmakers in football are Zico, Zinedine Zidane, and Juan Riquelme.Wide midfielders/wingers (LW, RW)The winger plays the same role as the attacking midfielder but he focuses his attacks from the side. This position is often utilized in "odd" formations like 4-3-3 and 4-5-1.Since the winger often plays between the midfield and the offensive line, he is sometimes classified as a forward. A player who occupies this position must be fast, have excellent dribbling abilities, and accurate with passes.A modern winger is typically flexible and can attack from the center, which makes him take over the role of a forward. Ryan Giggs and Garrincha are two excellent examples of wide midfielders.ForwardsForwards are the most celebrated players in the team because they are often the ones who score goals. Since there are many ways to score a goal, there are also many types of forwards.Accuracy, head ability, and ball control are the typical qualities of a forward. A forward does not have to as much work as the midfield or defense but he must be able to convert when his teammates give him the ball.Center-forward/striker (CF)Center-forwards are positioned closest to the opponent's goal. They have two roles: first, they score goals through passes from teammates; second, they distract the defense to give room for the attacking midfielder, winger, or withdrawn striker to attack.A striker must be brilliant at receiving and controlling the ball, must be strong, and capable of winning the ball in the air. Skills at playing with the back to the goal is a prerequisite. Some of thegreatest strikers of all timeare Batistuta, Ruud van Nistelrooy, and Ronaldo.Withdrawn striker/deep-lying forward/second forward (WF)The withdrawn striker plays behind the forward. It is typical inattacking football strategiesto put him as the main scorer while the person in front of him serves as decoy. The deep-lying forward is often utilized in the 4-4-2 formation.A deep-lying forward must have excellent passing skills as he is expected to feed the striker and at the same time possess technical abilities with the ball as he often receives back passes from the striker. Pele played as second striker during his illustrious career.Other types of forwardsSome strikers are further distinguished by their playing style, not just by where they stay on the field.The "off-the-shoulder" striker is a center-forward who is very skilled at breaking the offside trap and frees himself to face one-on-one with the goalkeeper. He is called such because he often positions himself parallel with the opposing defenders' shoulders (in line with the second-to-the-last defender). Davor Suker of Croatia and Thierry Henry of France are off-the-shoulder strikers.The goal poacher is a type of striker who often scores goal from inside the opponent's penalty area. He does not create his own opportunities but relies on passes and second-chances to score goals. The poacher often capitalizes on the mistake of the defense. Examples of goal poachers are David Trezeguet and Pippo Inzaghi.
2019 Mid-American Conference Football Season
2019 Mid-American Conference Football Season
2019 Mid-American Conference football seasonThe 2019 Mid-American Conference football season was the 74th season for the Mid-American Conference (MAC). and is part of the 2019 NCAA Division I FBS football season. The season will begin on August 29 and will end on November 30. The entire schedule was released on February 20, 2019. The MAC Championship Game will be held on December 7, 2019.— — — — — —2018 NCAA Division I FCS football seasonThe 2018 NCAA Division I FCS football season, part of college football in the United States, was organized by the National Collegiate Athletic Association (NCAA) at the Division I Football Championship Subdivision (FCS) level. The FCS Championship Game was played on January 5, 2019, in Frisco, Texas. North Dakota State claimed its second consecutive FCS title, and seventh in eight years.— — — — — —2016 American Athletic Conference football seasonThe 2016 American Athletic Conference football season was the 25th NCAA Division I FBS football season of the American Athletic Conference (The American). The season was the third since the breakup of the former Big East Conference, and the third season with the College Football Playoff in place. The American was considered a member of the "Group of Five" (G5) with Conference USA, the Mid-American Conference, Mountain West Conference, and the Sun Belt Conference. Whereas under the previous system the champion of the conference was guaranteed an automatic berth to a BCS bowl game, the highest-ranked champion member of the G5 received a bid to one of the six major bowls. The American consisted of 12 members: Cincinnati, East Carolina, Houston, Memphis, SMU, South Florida, Temple, Tulane, Tulsa, UCF, UConn, Navy. In June 2015, the Collegiate Commissioner's Association announced that it would postpone final rankings until after the annual Army-Navy Game if Navy or Army are in contention for a spot in the semifinals or a New Years Six bowl. If Navy was the highest-ranked Group of 5 champion and loses to Army, it would be replaced by next highest-ranked Group of 5 champion in the New Years Six Bowl. In the 2016 season, the American had four new coaches. Willie Fritz, formerly the head coach at Georgia Southern, was hired by Tulane to replace Curtis Johnson. After beginning the 2013 season, Johnson lost 22 of his final 27 games against FBS opponents. He finished at Tulane with a 15-4 record through four full seasons. He compiled a 7-9 conference record in the C-USA (2012-2013), and a 3-13 conference record in the American Athletic Conference (2014-2015). On December 1, 2015, UCF hired Oregon offensive coordinator Scott Frost. Frost replaced longtime UCF head coach George O'Leary and interim head coach Danny Barrett, who took over the Knights when O'Leary resigned following an 0-8 start. On December 3, 2015, Memphis hired Arizona State offensive coordinator and quarterbacks coach Mike Norvell, replacing Justin Fuente who took the job at Virginia Tech. On December 13, 2015 East Carolina hired Duke (OC/QB) Scottie Montgomery. replacing Ruffin McNeill who was relieved of his duties as ECU head coach after finishing the season with a record of 5-7.— — — — — —2010 Mountain West Conference football seasonThe 2010 Mountain West Conference football season was the 12th since eight former members of the Western Athletic Conference banded together to form the MW. This was the last season for two of the conference's charter members. Utah left the MW to join the Pac-10 in 2011. At the same time, the Utes' historic rival, BYU, will become a football independent and join the West Coast Conference in other sports. In the 2011 season, Boise State joined from the WAC, while three other WAC members, Fresno State, Hawaii and Nevada, have accepted invitations to join the MW in 2012. For more details on these developments, see 2010 NCAA conference realignment.— — — — — —1980 NAIA Division II football seasonThe 1980 NAIA Division II football season, as part of the 1980 college football season in the United States and the 25th season of college football sponsored by the NAIA, was the 11th season of play of the NAIA's lower division for football. The season was played from August to November 1980 and culminated in the 1980 NAIA Division II Football National Championship, played at the Lincoln Bowl in Tacoma, Washington. Pacific Lutheran defeated Wilmington (OH) in the championship game, 38-10, to win their first NAIA national title.
Auto Loans, Part 5: the Press Forgot to Ask About the Cost to the Taxpayer
Auto Loans, Part 5: the Press Forgot to Ask About the Cost to the Taxpayer
As I explained yesterday in part 4 of this series, the President delivered different substantive messages to General Motors and Chrysler. I would like now to focus on one element of that message, because there’s an enormous hole in yesterday’s announcement, and it appears that the press missed it. It appears that the Administration did not say how much additional taxpayer funding it is committing over the next 60 days.We do know from the President’s remarks and from the White House fact sheet that part of the message delivered to Chrysler was:We will subsidize you through April 30th so you have time to try to merge with Fiat.We’ll consider subsidizing the merger with Fiat by up to $6 billion of taxpayer funds, as long as we get paid back first.We also know that part of the message delivered to General Motors was:We will “provide [fusion_builder_container hundred_percent=”yes” overflow=”visible”][fusion_builder_row][fusion_builder_column type=”1_1" background_position=”left top” background_color=”” border_size=”” border_color=”” border_style=”solid” spacing=”yes” background_image=”” background_repeat=”no-repeat” padding=”” margin_top=”0px” margin_bottom=”0px” class=”” id=”” animation_type=”” animation_speed=”0.3" animation_direction=”left” hide_on_mobile=”no” center_content=”no” min_height=”none”][you] with working capital for 60 days to develop a restructuring plan and a credible strategy to implement such a plan.”The press could have reported yesterday’s story as, “President Obama today committed to put another $X billion of taxpayer funds at risk to save the auto industry, as he extended the loans provided by President Bush in December. He gave Chrysler a hard deadline, and promised taxpayers that they would spend no more than $Y billion to help Chrysler avoid bankruptcy. He made no similar commitment to taxpayers on General Motors, promising only that they would pay for at least enough to ‘provide [General Motors] with working capital for 60 days. These new commitments of taxpayer funds will come from the shrinking remainder of the $700 B of TARP funds appropriated by the Congress last September, leaving less to address the President’s goals in stabilizing the financial system.” I have seen no reporting like this, and I cannot see any evidence of the White House press corps asking what X and Y are.Two reporters appear to have come close. In yesterday’s White House press briefing, one asked White House Press Secretary Robert Gibbs the following:Q: … One of the very big debt holders to these two companies right now is the United States government and the United States taxpayer. Is part of why it looks like the White House is being tougher on these companies the fact that that taxpayer money isn’t going to come back, because once you go into bankruptcy or writing down debt, the taxpayer money is also in jeopardy — unlike the banks, which claim they’re going to pay it back eventually?…Q: And are the taxpayers one of those stakeholders at this point that’s going to have to make an additional sacrifice?MR. GIBBS: Well, I — the President believes that the decision will put these companies on the best path forward and ultimately putting them on that stable and strong path to where they’re regaining market share and they’re selling automobiles is the best way for the taxpayer to recoup the money that has been loaned to Chrysler and GM.Yes, sir.Q: For the taxpayer that you’re trying to protect, what can you tell that person will be different under the new management of GM that was not true yesterday?MR. GIBBS: Well —Q: What will Rick Wagoner’s departure mean in the next 60 days that was not achievable with him at the top of the company?I compliment these two reporters for at least asking about the taxpayer. They just need to get a little more specific.The President’s immediate actions were to extend the March 31st deadline to April 30th, as he is permitted to do by the terms of the loans we issued in December, and also to commit new but unspecified amounts of taxpayer funding to keeping GM and Chrysler from having to file for bankruptcy over the next 30 (Chrysler) and at least 60 (GM) days.We do not know how much more these new commitments will cost the taxpayer (and squeeze the TARP). We know that $29.9 B has already been loaned or committed to these two manufacturers, their suppliers, and now auto parts suppliers:($ B)Auto manufacturers…. General Motors$13.4…. Chrysler$4Auto finance companies…. GMAC(including $1B from US Treasury → GM → GMAC)$6…. Chrysler Financial$1.5Auto parts suppliers$5Total$29.9We also know that the Administration is willing to sweeten a Chrysler-Fiat deal by “up to $6 billion,” with a list of conditions. It appears that Sheryl Stolberg and Bill Vlasic misreported this in today’s New York Times as “will consider giving $6 billion in additional taxpayer aid.” There is a big difference between “up to $6 billion, if you meet certain conditions,” and “$6 billion.” The Administration has left themselves room to bargain with Chrysler-Fiat any number between $0 and $6 billion.The White House staff deserve credit for managing the press to frame the story in a way that benefits the President.Sunday afternoon the press learned that General Motors CEO Rick Wagoner would be stepping down at the request of the White House. This is irresistible to the press.Sunday evening, reporters were briefed (I will guess by phone) by “senior officials.”Monday morning, the President gave his remarks.Like a bird that cannot resist looking at a shiny object, the press focused their initial coverage on Mr. Wagoner’s departure. (I intend no disrepect to Mr. Wagoner by this comparison.)The President’s remarks then gave them plenty of new material for their stories. Faced with impending deadlines and a tidal wave of new information, most of them combined the information they were given with some outside analysis, producing the coverage you see in today’s papers.If you read Mr. Gibbs’ press briefing yesterday, you will see that almost all of the questions are about Mr. Wagoner’s departure, or about comparing the government’s treatment of the auto companies compared to its treatment of Wall Street firms. Today’s coverage discusses in detail what might happen to these companies 30 or 60 days from now. In contrast, I have seen no coverage about the ambiguity about how much new taxpayer funding the President has decided to spend now. If you have seen some coverage of this point that I missed, please let me know. I would like to compliment the reporter.$30 B is a lot of money. This amount is going up, but we don’t know by how much. I hope someone else asks.(Hint for reporters: If Administration officials tell you, “It’s uncertain,” ask what estimate the President was provided. There’s no way they went in to brief the President without at least having an estimate.)[/fusion_builder_column][/fusion_builder_row][/fusion_builder_container].·RELATED QUESTIONWhat is the best way to clean an above ground pool?By far the fastest and most thorough method is manual vacuuming. But there's that pesky labor involved.A good quality automatic cleaner will take longer, probably will miss some areas, but it's automatic and 24/7.And then there's paying someone to do it. Most expensive option, but otherwise effortless.Optimizing your pool’s surface rotation with relation to your skimmer(s) location(s) and keeping said skimmer(s) drawing strongly are both effective ways to help remove debris before it can sink. Having a cover can keep even more debris out between uses
(PDF) Development of a Low Cost High Precision Fabrication Process for Glass Hybrid Aspherical Diffr
(PDF) Development of a Low Cost High Precision Fabrication Process for Glass Hybrid Aspherical Diffr
using excimer laser ablation was also repo rted to fabricate direct methods are usually limited to low v olume production have to be used. For example, optical grade polymers can be injection mol ded into extremely complex but accurate geometries. These optics, however, do not perform well under that are required for many precision applications. The biggest problem with polymer devices is the issue of thermal stability . Optical polymer devices may work well at room temperature, but the geometry and optical properties of these polymer devices will deteriorate at higher temperature. Except for some special materials such as fluoropolymers, the service temperature of most optical polymer materials is lower water, resulting in a change of geometry as the moisture of the environment va ries. On the other hand, optical glasses have been and will continue to be the mate rials of choice for high precision imag ing optics mainly becaus e the service temperature of typical optical glass materia ls is high, usually from 400 to 700 C. In addition, the thermal expansion of glass materials is in general one order of magnitude less than most using grinding and polishing is time-consuming and costly . glass DOEs, can be a very attractive approach [ and micro-scale optical feat ures can be fabricated by preci sion Yi used fused silica as a mold, which was fabrica ted by accuracy of the mold and compared optical performance between the mold and the molded lenses. Tanaka the chromatic aberration of the objective lens for D VD (digital applied to the mold insert before diamond turning. In a departure from the previous attempts, the primary goal of this research is to develop an economical proc ess for low cost, high quality conv entional size glass DOEs that are suitable for industrial production. The aim of this paper is and mold materials and pro cess parameters will b e evaluated in lower cost and high quality products. The proposed process For a single lens, spherical aberration can be eliminat ed by the use of aspherical design. However , because of dispersion of some glass material s, ch romatic aberration of a single lens could not be reduced by geometry manipulation alone. approach to compensating for chromatic aberration is to form an achromat, i.e. a doublet. In a doublet design, one of the lenses is convex made from a cro wn glass with positive dispersion while the other lens is concav e made from a flint glass with negative dispe rsion. Two lenses with opposite dispersion power are mounted together so the overall chroma tic aberration of the compound lens is lower than a singlet. Inadvertently , the introduction of an extra lens increases the size as well as the complexity of the optical system. It also raises the issues of alignment during assembly. On the other hand, diffractive optical elements have negati ve dispersion [ 18 ]; therefore instead of using another lens, these optical components with micro/nano fe atures can be applied to a lens surface to form a singlet and compensate for the In this paper, a hybrid aspherical diffracti ve glass lens is aberration was compensated by t he aspherical design. The specifications of this hybrid lens, which represent a typical objective lens in a comp act optical syst em, are listed in table P-SK57 is a Schott glass that is designed specifically for precision glass molding. The wavelength was chosen to allow the lens to work in the visible light range. Specifically , the D line ( 587 5618 nm) was set as the main working wavelength. DOEs on an aspherical surface highlight the singlet design. Figure shows the layout of the hybrid was used in the optical design. A planar -convex le ns was designed to reduce the cost of mold fabrication. DOEs could be designed on either p lanar surface (first surface) or aspherical surface (second surface). Obviously, DOEs on the aspherical surface was beneficial for the sine condition [ which reduced the spherical and coma aberration. It was also a preferred design for m old fabrication since it el iminated the need for alignment of the cutting tool because there was only one surface needed to be diamond-turned. The need for alignment during compression molding was also subsequently In this case, the first surface, S1 in figure surface. The second surface, S2, is the aspherical diffractive surface, which is modeled using Bin ary 2 element in ZEMAX. Binary 2 elements describe an even aspherical surface with diffraction power. The asph erical surface can be expressed by1. How can I get rid of the awful smell inside of my plastic protein shaker cup?bleach will probably work - but seriously, do you want to drink out of a plastic cup that absorbs odors and hangs on to them that long? can not be too healthy....can you switch to glass or stainless steel?2. Glass Pipe or Glass Water Pipe?Smoking is a habit that is popular among many people. It is true that once you are in to smoking it may be very difficult to resist the habit. There are number of health hazards that can affect your body due to the smoking habits. This awareness is spread to people through many ways in order to bring a tobacco free world. People are slowly turning to be conscious about their health and they are turning to quite smoking through the traditional means which causes inhalation of hot smoke3. How should I repair a color print that ended up in the garbage by accident?OK, here's what I did.Put it in the scanner and flattened it with some heavy books. This cracked the emulsion in several places, but at least I had a backup image to work with.Wet the photo with distilled water and flattened it. This fixed the emulsion cracks. I let the photo dry before scanning it again, but unfortunately it curled up again.Wet the photo again, dried it off as well as I could, and scanned it. This did not work too well; the damper areas on the photos were quite visible as darker splotches on the image. However, the cracks were still gone. Wet the photo one more time, placed it between 2 sheets of waxed paper, piled up some heavy books. I am going to let that sit for a few days to dry out then will scan it. Doing this will fix the emulsion cracks and hopefully it will be dry enough there wo not be any water splotches. Hopefully the wax on the paper will prevent the photo from sticking to the paper.The waxed paper was a bad idea. The wax is not quite flat on the waxed paper, so all of the waxy bumps got transferred to the emulsion and resulted in a visible noisy pattern of creases and bubbles on the photo.I attempted several approaches to remove this noisy pattern. What finally worked was to soak the photo thoroughly (15 minutes in distilled water), then lay the photo emulsion side down on a very clean sheet of glass. I then used a tungsten roller I just happened to have to roll the back of the photo flat and press the photo hard against the glass. That smoothed out the emulsion very well, and also flattened the photograph. I then used a hot air dryer to dry out the photo quickly (not giving it time to warp if I hung it in the air.)
Creating the User Journey  Map of Screens As Core UX Design Practice  ItCraft Blog
Creating the User Journey Map of Screens As Core UX Design Practice ItCraft Blog
Mapping out of apps screens is one of the core activities in UX design. A screen map is useful far beyond the design process and makes for a valuable asset throughout the development.User Journey the road to be taken within the app to do what you want to do, requires a proper map. The better the map, the more enjoyable the Journey.What is a screen map?A screen map is a diagram showing individual application screens, their location (hierarchy) and interrelationships.Why make screen maps?The map allows you to visualize how many screens the app will have and show the relations between them. It is invaluable in estimating the workload for the UX / UI design process.How is a screen map made?Screen maps can be created using virtually any sketching tool. From good old pen and paper all the way to graphics software like Adobe Photoshop or diagram creators like draw. io or Whimsical whats important is that the map is easily and quickly edited, and is clear and legible to designers, developers and clients alike.Turning user stories into a journey mapIndividual User stories are sorted into groups to be included in specific screens of the application. Next, the screens are marked on the map to reflect the hierarchy between them and to visualize actions (transitions) performed by the user. Examples of screen mapsThe first example of a screen map is one we made for Truckersky, itCraft-created mobile solution for truck drivers.Another example is the product of our UX/UI workshops for a scooter sharing app.What is a User Flow?User flow is a diagram showing the path(s) a User can take in the application. It visualizes the decision making moments and presents all use-case scenarios. The User Flow is helpful in analyzing the ways Users reach their intended destinations or achieve particular goals.User Flow roleDesigning User Flows allows us to adjust and perfect the operation of the app and avoid flaws in interaction between Users and the software. We are able to identify the Pain points of the system and improve the process well ahead of development.What is a low-fi wireframe?Low-fi (low fidelity) Wireframes are a simplified view of the structure of the application screens. The screens are usua presented in grayscale and without details. Instead of a detailed design, our goal here is to plan appropriate distribution of key UI elements, and their hierarchy. The screens propositions should be easy to draw, edit and copied. Low-fi wireframes creation should be a quick process of establishing a base for team discussion, adjustments and clarification of requirements. They can be prepared on a piece of paper or in a dedicated program such as: Sketch, Proto.io, UXPin, Axure, Balsamiq. The choice of tools is up to you.What is a high-fi wireframe?High fidelity wireframes expand the low-fi version by refined, platform specific UI elements (iOS, Android, Windows), content and graphics reflecting future appearance of the application.low-fi to high-fi wireframesThe main difference between these two wireframes is the level of detail. The low-fi wireframes focus on the general appearance of the main functionalities, without detailing of particular elements, content or pictures using placeholders instead.Low-fidelity wireframes are not a reflection of the final look of the app. They present the general idea and vision of the application, and need to be made as quickly as possible. They help in discussions with the team and the client in the conceptual process, when determining the scope of work required.In high-fidelity wireframes, we refine the low-fi screens. Hi-fi is more labor-intensive, as we need a higher level of detail shapes, content, UI elements, the screen composition and relations between them all must now closely reflect the final look of the app. High-fidelity wireframes are a more sophisticated representation of what the applications final look.When designing an application interface the UI for either Android or iOS, you should always keep in mind the differences in appearance between platforms. Some elements of iOS, Android UI differ significantly in both looks and the way they work. Buttons, date pickers, text fields, notifications are all designed differently. The makers of mobile systems Apple and Google provide complete design guidelines on their websites, as well as ready-to-download components.To simplify the design process and save time, we dont usually create new elements from scratch. Designers often use ready-made UI kits and libraries. They contain ready-made elements that can be imported into projects and customized according to needs. Depending on whether you are designing a low or hi-fi wireframe, a variety of UI Kits are available for both iOS or Android platforms. SummaryEstablishing a good base for the UI/UX design benefits your mobile app development in many ways:The customer saves time and resources (quick way to verify the product concept),A small number of specialists needed to start the process, which translates into lower costs,The client takes active part in the design and provides invaluable input on the functionality and appearance of the application,The client can verify that the application design is according to requirements and best practices,Faster application development time the team will have a clear picture of how the application is supposed to work and look,Ability to test the application early in the production process. A clickable prototype lets you experience the operational functionalities of the app before programming starts,Flexibility of the design process changes and adjustments can be done quickly and without the need of engaging developers work.Originally published at com on September 12, 2019. Read this story later in Journal. Wake up every Sunday morning to the weeks most noteworthy stories in Tech waiting in your inbox. Read the Noteworthy in Tech newsletter
Am I Stressing to Much Over School? Please Help?
Am I Stressing to Much Over School? Please Help?
am i stressing to much over school? please help?I was in your same situation! What I can tell you is to try and relax! :) remember that you can not always be the at everything ;) First of all, let your parents know how you feel! They might have gone through the same situation at your age too and could help you getting out of it ;) I also went talking with my form tutor and what she basically told me was not to worry if I got some lower marks because everyone has ups and downs and that if I needed any extra-tuition, the school would have helped me (did not need it though!) As you said, secondary school is not like primary school, and getting used to study harder and longer can be more difficult for some people than for others. I would advice you to study with friends because if you feel you are getting too stressed out, you can have a break and share a laugh with them ;) And do not stop going out cause being around people can really help to forget (school) problems -even only for a couple of hours- and when you came back you just feel more relaxed and ready to study! What can help you is to set a time for studying and a time to do what you want! For example if you study from 4 to 6, then you should have the evening free and watch tv, going on fb, talking on the phone with friends etc! :) In the end, I just understood that I was panicking for nothing and started to relax and guess what? I got higher marks! :p So just relax and remember that you still have plenty of time to work on your future :D xx— — — — — —In order toMy bedroomTitle,Write a primary school graduating class of English composition,No grammatical errorsMy bedroom I have a lovely bedroom. There is a bed in my bedroom. There is a desk near my bed. There is a pink doll on my bed. I sleep with it every night. There is a big window in my bedroom. The yellow lamp is on my desk .Every evening, I do my homework under the lamp. I have a big shelf in my bedroom. There are many books on the shelf. I like reading very much. Do you like reading? You can borrow the books from me if you like? My bedroom is nice. I like it.— — — — — —Zuma school visit? Jacob Zuma while visiting a Primary School, visits one of the classrooms.?Lol - wise guy this Sipho— — — — — —Should Hong Kong primary schools teach their students to swim?My daughter went to a local primary school in Western District on Hong Kong island. The school arranged Saturday morning swimming classes for kids. We had to pay subsidised swimming fee (affordable). The swimming class was at public swimming pool (close to the school) conducted by outside swimming association company. After three years, my daughter learnt all the four strokes. It was great experience for my daughter and she was very happy to have learnt swimming by the time she graduated from primary school.— — — — — —Teachers or kids can you help? I am going to be teaching for 3 weeks in a primary school?ok... so while teaching .. u nid 2 relax. and u also nid 2 be playful sumtimes . for xmple , ur going to teach science, then u nid to be playful( a bit) because ur students might get bored— — — — — —Stronger Bullying laws are needed, Yes or No?Oh absolutely. Here are a few stories for you. A couple of year ago I knew of a girl who was a bit slow and had a speech impediment. She was so nice but got picked on non stop. Another girl threatened to slit her throat. I confronted the girl about it, but it only seemed to make things worse. Not knowing what to do I told someone at the school. If it had happened to me (and it had in different situations) I would of just laughed and told her to stick it. The other girl though was scared and stopped coming to school, so I informed one of the teachers there about it. The teacher asked the girl who was being bullied about it and she told her what happen. So the teacher went and asked 'the bully' if it was true. Of course she said no. So the teacher told the other girl there was nothing she could do about it. So what does a pissed off bogan do when she thinks someone has been talking about her? She gave my friend a black eye. And then what did they do about it? Nothing. No one saw it happen and that was the end of that. At that same school in about year 10 there was this ditz who ran the school council. In PE some class were playing spoon races. Some person that did not like her threw an egg at her back. She broke into tears. Later in class some people came around and started talking about it. "We can not just let people get away with this!" they said. "We need to stand up against them!" everyone nodded their head in agreement, how could such an awful thing happen? Later I saw the girl leaving the school sobbing in her mothers arms. The girl that threw the egg got suspended. At another school in a different state I had gotten into an argument with this guy. He was an idiot and I had no intentions of fighting him. If it had come to that though, I am sure it would not have been that bad. I can throw a punch and he looked a bit like a broom stick. Well I did not think it was that bad of course until 5 or so of his friends come to beat the living bejesus out of me. This happened on school ground mind you. What happen? Nothing! So i've been to some pretty horrible schools, but seriously, most Australian public schools are the same, and i've moved a lot so I've had the full experience. We get told of a zero tolerance policy, which is so untrue. The problem is that we get told since primary school that if you want people to leave you alone, you have to ignore them. That's not true at all. You have to stand up for yourself or you will be a victim your whole life. Well, I went a bit off track there but my point is that does it damage someone less to get a black eye while under age? Does it not effect someone as much?
FPGA Coprocessing Using Serial RapidIO
FPGA Coprocessing Using Serial RapidIO
FPGA coprocessing using serial RapidIOIn order to support the "triple play" application, people's demand for high-speed communication and ultra fast computing is increasing, which puts forward new challenges to system developers, algorithm developers and hardware engineers, requiring them to integrate various standards, components and networking devices into a wholeAt the same time, developers should not only keep up with the increasing performance requirements, but also pay attention to keeping the cost low. These purposes can be achieved by effectively using FPGA based on serial RapidIO as DSP coprocessorSince the triple play application integrates voice, video and data applications, new algorithms must be used to set the parameters of its development and system optimization strategy. In the meantime, developers need to solve the following problems: constructing an adjustable and scalable architecture, supporting distributed processing, adopting standard based design, and optimizing performance and costAfter careful study, we will find that these challenges to meet the application requirements mainly involve two themes: one is connectivity, which essentially means to realize "fast" data transfer between different devices, boards and systems; The second is computing power, which refers to the processing resources available in the equipment, board and system respectivelyConnection between computing platformsThe standard based design is usually much simpler than the "free play" design. It is also a typical design mode today. Although the parallel connection standards (PCI, PCI-X, EMIF, etc.) can meet the current requirements, they are insufficient if they consider the adjustability and scalability. With the continuous progress of packet processing technology, The development trend of connection standards obviously tends to high-speed serial connection, which can be seen from Figure 1High speed serial standards such as PCIe and GBE / XAUI have been applied in desktop and network industries, but the data processing system in wireless communication facilities has slightly different requirements for interconnection. It requires:1. Few pins;2. Backplane and chip to chip connection are required;3. Adjustable bandwidth and speed;4. Have DMA and message passing functions;5. Support complex and adjustable topology;6. Support multipoint transmission;7. Highly reliable;8. Support time of day synchronization;9. Quality of service (QoS) availableFigure 1: trends towards serial connectionsSerial RapidIO (sRIO) protocol standard can easily meet most of the above requirements, or even exceed these requirements. Therefore, serial RapidIO has become the mainstream connection technology for data plane interconnection in wireless communication infrastructure. SRIO network is based on two "basic modules": endpoint and switch The endpoint device is responsible for sending and receiving data packets, and the switching device is responsible for transmitting data packets between ports, but not for the interpretation of data packets. Figure 2 shows the construction module of sRIO networkFigure 2: sRIO network building blocksAccording to the specification definition, serial RapidIO has a 3-tier architecture, as shown in Figure 3Figure 3: sRIO architectureThis includes:Physical layer is responsible for describing device level interface specifications, such as packet transmission mechanism, flow control, electrical characteristics and low-level error managementTransport layer - provides routing information for transmitting packets between different endpoint devices. The switching device works at the transport layer in a device-based routing modeLogic layer - defines the overall protocol and packet format. Each packet contains a load of up to 256 bytes. Transactions access the address space of 34 / 50 / 66 bits through load, store or DMA operationsSRIO has many advantages. A 4-channel sRIO link running at 3.125 Gbps can provide 10 Gbps traffic on the premise of completely maintaining data integrity. SRIO is similar to microprocessor bus. It completes memory and device addressing and packet processing in hardware, which not only greatly reduces the overhead and delay for I / O processing, It also increases the system bandwidth relative to other bus interfaces, but unlike most other bus interfaces, the sRIO interface has few pins, and its adjustable bandwidth based on high-speed serial link can be adjusted in the range of 1.25 - 3.125 Gbps. Figure 4 is an illustration of the sRIO specificationFigure 4: sRIO specificationÂÂÂÂÂÂ Computing resources in the platformWith configurable processing resources, developers can implement their applications in hardware, such as data compression and encryption algorithms, and even a complete set of firewall and security applications that were only implemented in software in the past. Now they can implement them in hardware, but doing so requires a large parallel ecosystem with shared bandwidth and strong processing capacity, that is, CPU, NPU When FPGA and / or ASIC carry out shared or distributed processing to build such a system, some requirements for computing resources include:1. Support distributed processing capability of complex topology; ÂÂÂÂÂÂÂ 2. Highly reliable direct peer-to-peer communication capability; ÂÂÂÂÂÂÂ 3. Multiple heterogeneous operating systems; ÂÂÂÂÂÂÂ 4. Support the communication data layer through multiple heterogeneous operating systems; ÂÂÂÂÂÂÂ 5. Modular and scalable platform with extensive ecosystem supportThe sRIO protocol specification and architecture support the different requirements of computing devices in the field of embedded and wireless infrastructure. With sRIO, the independence of system structure can be realized, and scalable systems with operator level reliability, advanced traffic management function and high performance and high throughput can be deployed. In addition, The extensive supplier ecosystem also makes it easier for designers to use off the shelf components to construct sRIO system. SRIO is a packet based protocol that supports:1. Use grouping operations (including reading, writing and messaging) to realize data movement; ÂÂÂÂÂÂÂ 2. I / O inconsistency function and cache consistency function; ÂÂÂÂÂÂÂ 3. Realize efficient interworking and protocol encapsulation by supporting data streaming and SAR functions; ÂÂÂÂÂÂÂ 4. Implement a traffic management architecture by supporting millions of data streams, 256 traffic categories and lossy operations; ÂÂÂÂÂÂÂ 5. Support flow control of multi transaction request flow (including configuring QoS); ÂÂÂÂÂÂÂ 6. Support priority division to reduce problems such as bandwidth allocation, transaction reservation and deadlock avoidance; ÂÂÂÂÂÂÂ 7. Support various hardware topology modes such as standard topology (tree and grid) and arbitrary topology (daisy chain) through system discovery, configuration and learning, including supporting multiple hosts; ÂÂÂÂÂÂÂ 8. Error management and classification (recoverable, notification and critical)IP scheme of serial RapidIOIn order to support fully compatible maximum load operation when sending and receiving user data through logical (I / O) and target and source interfaces on transport layer IP, Xilinx and other manufacturers have designed their endpoint IP solutions according to the latest RapidIO v1.3 specificationFigure 5 shows Xilinx's complete sRIO endpoint IP scheme, which includes the following components:1. Logicore RapidIO logic (I / O) and transport layer IP; ÂÂÂÂÂÂÂ 2. Reference design of buffer layer; ÂÂÂÂÂÂÂ 3. Logicore serial RapidIO physical layer IP; ÂÂÂÂÂÂÂ 4. Register manager reference designFigure 5: sRIO endpoint IP architecture of XilinxIP architectureXilinx provides the source code of the buffer layer reference design, which can complete the automatic queuing and prioritization of packets. SRIO physical layer IP can realize link training and initialization, discovery and management, and error and retry recovery mechanism. In addition, high-speed transceivers are instantiated in the physical layer IP to support line speeds of 1.25gbps 1-channel and 4-channel sRIO bus connection of 2.5Gbps and 3.125gbpsThe reference design of the register manager provided in this scheme allows the sRIO master device to configure and maintain the endpoint device configuration, link state, control and timeout mechanism. In addition, the register manager also provides a port that allows the user to design and detect the endpoint device stateLogicore provides a complete endpoint IP, which has been tested by industry-leading sRIO device manufacturers. Users can obtain it through Xilinx coregen GUI tool. Logicoregen tool can help users configure baud rate and endpoint. Logicore supports extended features such as flow control, retransmission suppression, doorbell and message passing. Therefore, Users can create a set of flexible, adjustable and customized sRIO endpoint IP optimized specifically for application requirementsUsing various resources in most high-performance FPGAs provided by Xilinx and other manufacturers, system designers can easily create and deploy their intelligent solutions to enhance the advantages of products in time to market, adjustability, scalability and adaptation to future development. Some system design examples using sRIO and DSP technology are given belowSRIO system application example1. Embedded system: the CPU structure like x86 is optimized for general applications that do not require a lot of multiplication. In contrast, the DSP structure is optimized for signal processing operations such as filtering, FFT, vector multiplication and search, and image or video analysisTherefore, the embedded system using both CPU and DSP can easily take advantage of the two structures of general processor and signal processor. Figure 6 shows an example of such a system, which includes FPGA, CPU and DSP architecture at the same timeFigure 6: high performance DSP subsystem based on CPUIn high-end DSP, serial RapidIO has become the mainstream data interconnection mode. The main data interconnection in x86 CPU is realized by PCI Express. As shown in Figure 6, some simple configuration of FPGA can be used to adjust the scale of DSP application and / or bridge several completely different interconnection standards (such as PCI Express and serial RapidIO)In this system, the root complex chipset manages the PCI Express system, and the sRIO system is managed by a DSP. The 32 / 64 bit address space (base address) of PCIe can be automatically mapped to the 34 / 66 bit sRIO address space (base address). PCIe applications communicate with the root complex chipset through memory or I / O reading and writing. These transactions can be written through streams, primitives and confirm read / write transactions I / O operations such as switches atomic nreads nwrite / nwrite_rs can be easily mapped to sRIO spaceDesigning this kind of bridging function in Xilinx's FPGA is very simple, because the back-end interface of PCI Express and the functional module of serial RapidIO endpoint are similar packet queue modules. Then, it can realize the conversion from PCIe to sRIO or from sRIO to PCIe, so as to establish data flow between the two protocol domains2. DSP processing application: in those applications where DSP processing is the main architecture requirement, the system structure can be designed as shown in Figure 7Figure 7: devices requiring powerful DSP processing powerXilinx Virtex-5 FPGA can be used as coprocessor of other DSP devices in the system. If sRIO is used for data interconnection, the whole set of DSP system scheme can be easily adjusted. This scheme has scalability, adapts to future development, and can be realized in a variety of overall dimensionsWhen applications that require powerful DSP functions also need to perform a large number of fast and complex operations or data processing, these processing tasks can be unloaded to x86 CPU to run Xilinx Virtex-5 FPGA, which allows bridging between PCIe subsystem and sRIO structure, so as to realize efficient function unloading3. Baseband processing systemWith the rapid maturity of 3G network, OEM manufacturers will adopt new devices and equipment with overall dimensions to reduce the problems of capacity and coverage. The DSP architecture based on sRIO and FPGA is an excellent scheme to meet such challenges. The traditional DSP system can also be readjusted to this fast and low-power FPGA based structure, so as to make full use of the adjustability advantage of FPGAIn such a system, as shown in Fig. 8, the FPGA can meet the antenna service line speed
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