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• Embeding a generic google search with autocomplete - not a custom site search

  - by picxelplay

  Most people's home page is google.com. My homepage is just a custom html page hosted on my computer. I do this because I am a web developer, and I have several projects that I work on a one time, so I like to have quick links to all of them. On that page I usually just have a Link to google.com for when I want to search. But below all of my quick links, I want to add a google search box (with Autocompletions). I first used a simple iframe to embed google.com into the page, but then my search results were confined to that iframe. I wanted to search for something, then my results would open in a new tab. I then came across this code snippet but it doesn't have Autocompletions: http://www.refactory.org/s/google_search/view/2 How can I add Autocompletions to this? Or is there a better way of doing it? Thanks in advance for any advice

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• Check if the vector is behind another or maybe opposite directions?

  - by Gilson

  I'm doing a network game and on the client side, i interpolate the client position with the server sent extrapolated position. The client has its own physics simulation wich is corrected by the server in steps. The problem is when it laggs and i 'kick' the ball, the server gets a delayed message and sends me the position backwards of the client position wich makes the ball goes back and forth. I want to ignore those and maybe compensate that on the server, not sure though. The problem is the clock difference on those case are 0.07ms or 0.10 ms wich isn't that high to ignore the message i guess. When i get the server position, i extrapolate with the clock interval * serverBallVelocity Can i check if my new ball server position is behind my actual ball vector position? I tried to use the dot product after normalized the two vectors to check if they are opposite but it ain't working properly. Any suggestions on checking that?

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• Hidden Launch Bar wouldn't slide-out when moused over, now it won't hide away.

  - by Dave Keller

  When the launch bar is hidden, I have trouble getting it to slide out when I move the mouse pointer to the left side. After adjusting the settings under Settings--Appearance--Behavior, the bar no longer hides when a browser is open. Is there a fix for this. This all happened when I was looking for a way to change the icon sizes in the launch bar. Documentation from Linux.com told me to do it under Settings--Appearance, but there was no way to do it. Any help is appreciated! Thanks.

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• How to get familiar with "what happens underneath of Java"?

  - by FidEliO

  I did not study CS nor IT. I just became a developer, now working with Java. Actually, since I now work with a big company writing high-scalable web applications, I think I need to be better with details. I have no understanding of what happens underneath of Java. Java Performance, Server-Side Java might be the buzz words?!! I am very poor with those more of low-level details but I do not know where to look honestly. I started looking for some keywords in Amazon, ended up reading books like "pragmatic programmer", "clean code", "code complete" which IMO they are not what I am looking for. Could you please give me some learning resources (books, articles, blog posts, online trainings) for this matter? I also read this post as well: Approaching Java/JVM internals But I think I need a pre-step before jumping into the OpenJDK, right?!

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• Don’t Like New Google Search Interface? Switch To Old Interface

  - by Gopinath

  Google recently adopted a new user interface layout for it’s search engine. The new layout is very different to classic one, it provides many options on the left side to choose for enhanced search operations. Even though many users like this new interface, there are few who are more comfortable with the classic interface. If you are one among those who wanted to switch back to classic interface, you can access it by using the following http://www.google.com/webhp?hl=all Join us on Facebook to read all our stories right inside your Facebook news feed.

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• Are there any reasons to use Bazaar over Hg or Git?

  - by NeuronQ

  The world of DVCSs seems split between Git and Mercurial nowadays, but lots of projects and places (like my new employer) use Bazaar. And it's not a thing of inertia where people just use something because "that's how it's always been done", these guys are agile and sometimes seem to embrace change just for the fun of having more things to fix. Yet no one gave me any convincing arguments for using Bzr over Hg or Git. I can get seeing Git as "too complicated" but you can't use this king of judgement between Hg and Bzr. So then, what are the features of Bazaar that would justify its use over Mercurial (or Git) in any given situation?

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• How to get out of supporting deadend sales pitches?

  - by JoseK

  As part of being a programmer, you often are asked to provide estimates/ make slideware / do technical demos for Sales teams to present to end-clients. Sometimes we go along for the 'technical' discussions or 'strategic capability planning' or some similar mumbo-jumbo. Sometimes, you kind of know which ones are totally going to fail and are not worth pursuing but the Sales guys present fake optimism and extract 'few more slides' out of you or the 'last conference call'. These don't lead to anywhere and are just a waste of time from other tasks for the week. My question is how do you get out of these situations without coming across as non-cooperative. Updated after Kate Gregory's answer: The problem is related to projects we know are doomed (from the technical feedback we've received) But Sales ain't convinced since they've just had a call higher up the management chain - so it's definitely going ahead !

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• How do I add Different Screens to my C#/XNA Game?

  - by Ramses Brown

  I'm working on a Pong clone in XNA. Gameplay-wise, I have it where I want it to be. I want to add a title screen and some other screens to it like a menu, as well as a screen for the Winning/Losing results. I've tried the Game State Management Example on the App Hub site, but It's very complicated and I haven't been able to make sense of it. Is there a simpler way? I'm hoping for a solution that can be used in other projects too. Plus I'd like to know how to actually create menu items (basically, how do I display the different options on it, and highlight them, etc).

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• wordpress get content main menu

  - by eca_arpit

  I added a menu page named "Home" on wp-admin. It was added successfully. when i click this home menu then it display nothing.Now i want to display content of a page suppose Page_id=15 on right side(which is empty after clicking home). 15 number page has php codes and uses a template also...is it possible to display contents..i wrote following code...if any confusion i can explain more..plz help me out.. i wrote this in a plugin. add_action('admin_menu', 'Home'); function Home() { add_menu_page('My Plugin Options', 'Home', 'manage_options', 'my-unique-identifier', 'content'); } function content() { if (!current_user_can('manage_options')) { wp_die( __('You do not have sufficient permissions to access this page.') ); } $page_id = 15; $header_content = get_page( $page_id ); echo apply_filters('the_content', $header_content-post_content); }

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• Continous Delivery TFS

  - by swapneel

  Is it possible to achieve Continuous Delivery using TFS e.g. Windows Service? There are 1000 posts on how to use msdeploy with TFS for WEB projects. I am trying to understand why there are no resources such as blogs, articles, msdn or best practises for Continuous Delivery for Windows service using TFS. I am not sure tow to achieve the following without any working reference materials. This is so frustrating. Archive existing codebase on Remote server for Service as well for Web project not on Integration Server please! How To Stop services on Remote server not on Integration Server Copy New code Base on Remote Server Start Services

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• After running updates in 10.10 Netbook Remix, Ralink 5390 Not working

  - by nosound

  Additional Drivers still lists the driver. Reports it as being activated but not in use. Prior to running updates, wireless was working fine. Set it up using this guide: http://www.upubuntu.com/2012/02/how-to-install-drivers-for-ralink.html Thoughts and reflections would be much appreciated. ... nm. Using Synaptic Package Manager, marked for reinstallation, reinstalled, rebooted. Back to the way things were. Little new to this side of the world. ;)

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• Non-Embedded Content for your Popup Controls Target Container

  Yesterday I posted about client side predicates for Popup controls. Thanks for all the Tweets and Emails. The Popup control is very powerful and Popups are now an expected construct in many web user interfaces. I received a number of questions about using content in Popups that is not embedded in the containing page. Probably the easiest is to use in iFrame inside the Panel container for the Popup. In code it looks like this. Code Snippet <h1>Modal iFrame</h1> <asp:Button...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• Getting Started with Oracle Fusion Project Portfolio Management

  Designed from the ground-up using the latest technology advances and incorporating the best practices gathered from Oracle's thousands of customers, Fusion Applications are 100 percent open standards-based business applications that set a new standard for the way we innovate, work and adopt technology. Delivered as a complete suite of modular applications, Fusion Applications work with your existing portfolio to evolve your business to a new level of performance. In this AppCast, part of a special series on Fusion Applications, you hear about the unique advantages of Fusion Project Portfolio Management, learn about the scope of the first release and discover how Fusion PPM modules can be used to complement and enhance your existing Projects solutions.

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• Determining the angle to fire a shot when target and shooter moves, and bullet moves with shooter velocity added in

  - by Azaral

  I saw this question: Predicting enemy position in order to have an object lead its target and followed the link in the answer to stack overflow. In the stack overflow page I used the 2nd answer, the one that is a large mathematical derivation. My situation is a little different though. My first question though is will the answer provided in the stack overflow page even work to begin with, assuming the original circumstances of moving target and stationary shooter. My situation is a little different than that situation. My target moves, the shooter moves, and the bullets from the shooter start off with the velocities in x and y added to the bullets' x and y velocities. If you are sliding to the right, the bullets will remain in front of you as you move so as long as your velocity remains constant. What I'm trying to do is to get the enemy to be able to determine where they need to shoot in order to hit the player. Unless the player and enemy is stationary, the velocity from the ship adding to the velocity of the bullets will cause a miss. I'd rather like to prevent that. I used the formula in the stack overflow answer and did what I thought were the appropriate adjustments. I've been banging at this for the last four hours and I just can't make it click. It is probably something really simple and boneheaded that I am missing (that seems to be a lot of my problems lately). Here is the solution presented from the stack overflow answer: It boils down to solving a quadratic equation of the form: a * sqr(x) + b * x + c == 0 Note that by sqr I mean square, as opposed to square root. Use the following values: a := sqr(target.velocityX) + sqr(target.velocityY) - sqr(projectile_speed) b := 2 * (target.velocityX * (target.startX - cannon.X) + target.velocityY * (target.startY - cannon.Y)) c := sqr(target.startX - cannon.X) + sqr(target.startY - cannon.Y) Now we can look at the discriminant to determine if we have a possible solution. disc := sqr(b) - 4 * a * c If the discriminant is less than 0, forget about hitting your target -- your projectile can never get there in time. Otherwise, look at two candidate solutions: t1 := (-b + sqrt(disc)) / (2 * a) t2 := (-b - sqrt(disc)) / (2 * a) Note that if disc == 0 then t1 and t2 are equal. If there are no other considerations such as intervening obstacles, simply choose the smaller positive value. (Negative t values would require firing backward in time to use!) Substitute the chosen t value back into the target's position equations to get the coordinates of the leading point you should be aiming at: aim.X := t * target.velocityX + target.startX aim.Y := t * target.velocityY + target.startY Here is my code, after being corrected by Sam Hocevar (thank you again for your help!). It still doesn't work. For some reason it never enters the section of code inside the if(disc = 0) (obviously because it is always less than zero but...). However, if I plug the numbers from my game log on the enemy and player positions and velocities it outputs a valid firing solution. I have looked at the code side by side a couple of times now and I can't find any differences. There has got to be something simple I'm missing here. If someone else could look at this code and determine what is going on here I'd appreciate it. I know it's not going through that section because if it were, shouldShoot would become true and the enemy would be blasting away at the player. This section calls the function in question, CalculateShootHeading() if(shouldMove) { UseEngines(); } x += xVelocity; y += yVelocity; CalculateShootHeading(); if(shouldShoot) { ShootWeapons(); } UpdateWeapons(); This is CalculateShootHeading(). This is inside the enemy class so x and y are the enemy's x and y and the same with velocity. One output from my game log gives Player X = 2108, Player Y = -180.956, Player X velocity = 10.9949, Player Y Velocity = -6.26017, Enemy X = 1988.31, Enemy Y = -339.051, Enemy X velocity = 1.81666, Enemy Y velocity = -9.67762, 0 enemy projectiles. The output from the console tester is Bullet position = 2210.49, -239.313 and Player Position = 2210.49, -239.313. This doesn't make any sense. The only thing that could be different is the code or the input into my function in the game and I've checked that and I don't think that it is wrong as it's updated before this and never changed. float const bulletSpeed = 30.f; float const dx = playerX - x; float const dy = playerY - y; float const vx = playerXVelocity - xVelocity; float const vy = playerYVelocity - yVelocity; float const a = vx * vx + vy * vy - bulletSpeed * bulletSpeed; float const b = 2.f * (vx * dx + vy * dy); float const c = dx * dx + dy * dy; float const disc = b * b - 4.f * a * c; shouldShoot = false; if (disc >= 0.f) { float t0 = (-b - std::sqrt(disc)) / (2.f * a); float t1 = (-b + std::sqrt(disc)) / (2.f * a); if (t0 < 0.f || (t1 < t0 && t1 >= 0.f)) { t0 = t1; } if (t0 >= 0.f) { float shootx = vx + dx / t0; float shooty = vy + dy / t0; heading = std::atan2(shooty, shootx) * RAD2DEGREE; } shouldShoot = true; }

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• Is there a well grounded theory on backward and forward compatibility of formats, languages, grammars and vocabularies?

  - by Breton

  I have a friend who has the specific problem of building a case against the use of a custom HTML <wrapper> tag in some site's markup. Now, intuitively we can answer that use of such a tag is risky, as future HTML specs may define a wrapper tag with semantics that conflict with its use on the site. We can also appeal to a particular section of the HTML5 spec which also recommends against the use of custom tags for this reason. And while I agree with the conclusion, I find these arguments a little on the weak side, on their own. Is there some well grounded and proven theory in computer science from which we can derive this conclusion? Have programming language theorists created proofs about the properties of vocabulary versioning, or some such thing?

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• What do you miss when you have to use C instead of C++?

  - by sharkin

  This is not a question about which of the two languages is better than the other. I myself can't really decide. Pros and cons as always I guess. Also, if you feel you always would prefer C over C++, this poll is not for you :-). However, when I work in C projects I usually feel I'm missing a few language constructs more than others, which can be found in C++. For example, I usually miss (the obvious) classes, but seldomly templates (I always miss STL, but wouldn't call it a language construct). What do you miss when you have to use C instead of C++?

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• As a programmer what single discovery has given you the greatest boost in productivity?

  - by ChrisInCambo

  This question has been inspired by my recent discovery/adoption of distributed version control. I started using it (mercurial) just because I liked the idea of still being able to make commits at times when I couldn't connect to the central server. I never expected it would give me a large boost in general productivity, but a pleasant side effect I discovered was that making a new clone every time I started a new task and giving that clone a descriptive folder name is extremely effective at keeping me on task resulting is a noticeable productivity increase. So as a programmer what single discovery has given you the greatest boost in productivity? Extra respect for answers which involve tools or practices that aren't so obvious from the outside!

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• wireless not enabling, wire works fine

  - by sibby

  I have a built in wireless (with a switch & light on hardware for it) its a Sony Vaio E-series with ubuntu running along side windows 7, the button in the menu for enable wireless is greyed out, and in edit connections window, when i click the button to make it 'ON' it turns it 'off' immediately while the wireless button is switched on & the wireless light flashes once for 3 seconds(light on hardware), wireless works perfectly and the light stays on (solid) on windows 7, and it works fine with wired connection on Ubuntu, 1st time I am trying a Linux OS, everything else works perfectly.

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• Can I use the test suite from an open source project to verify that my own 'compatible library' is compatible?

  - by Mark Booth

  The question Is it illegal to rewrite every line of an open source project in a slightly different way, and use it in a closed source project? makes me wonder what would be considered a clean-room implementation in the era of open source projects. Hypothetically, if I were to develop a library which duplicates the publicly documented interface of an open-source library, without ever looking at the source code for that library, could that code ever be considered a derivative work? Obviously it would need the same class hierarchy and method signatures, so that it could be a drop-in replacement - could that in itself, be enough to provoke a copyright claim? What about if I used the test suite of the open source project to verify whether my clean implementation behaved in the same way as the original library? Would using the test suite be enough to dirty my clean code? As should be expected from a question like this, I am not looking for specific legal advice, but looking to document experiences people may have had with this sort of issue.

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• Black screen with blinking cursor after dual boot install 14.04

  - by chillstream

  I have just installed Ubuntu 14.04 on my toshiba laptop along side Windows 7. When the menu comes up to choose which OS to boot into, I can easily boot into Windows 7. I cannot successfully boot into Ubuntu. All I get is a blinking cursor on a black/purple screen. I attempted the nomodeset trick, which was a bit more successful. I got a screen with a lot of code, but then it stopped with a blinking cursor at the bottom and wouldn't load anymore. As a last resort, would returning my laptop to factory settings get rid of linux and the partitions made to the drive? I already did this to my laptop when it was just windows, which is why I thought I might as well try to add Ubuntu. But it's a lengthy process, and if it won't get rid of the partitions and ubuntu, I won't bother. I appreciate any help ~many thanks

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• What is the best certification for the self-taught ASP.Net programmer? [closed]

  - by Wahid Bitar

  I learned the C#.Net language from books and many other resources then i did some good projects with ASP.Net "Web Forms & MVC". But i wanna a good certificate to get a better work out of my country as i suppose. I've two choices: Apply for a " college / institute " and start study academic courses to be more professional and maybe in two years I'll "hopefully" graduate with this college certificate. Apply for kind of " Certifications by Companies " like MCTS from Microsoft or something like that and study their straightforward courses then maybe with three or four months I'll get this "Not official Certificate". Is the second type of certifications good for learning and work or the best is the hard way ?. Please give me advises with certifications names please. ======================= Update: This is not related to certain country or region. I'm asking about a good certification and courses for an ASP.Net and C# in general programmer.

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• Server costs and back loading for mobile devices

  - by user23844

  A company approached me to design an MMO for the mobile platform and I have the perfect idea for them. My question is how much would a server for a FTP game that has both a PVE element and PVP cost? Also do you think that it would be better or is it even possible to back load the data onto the phones (trying to come up with some interesting way to back up the data in case of emergency). I don't want the game to be totally online reliant (I want to appeal to not only phone users but also iPod touch users) and for there to be an offline mode. If you can't tell this is my first game besides simple projects I've done on the side. Any help would be greatly appreciated.

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• What techniques can I use to render very large numbers of objects more efficiently in OpenGL?

  - by Luke

  You can think of my application as drawing a very large ball-and-stick diagram (or graph). At times, this graph can get very large, where the number of elements even outnumbers the pixels on the screen. Currently I am simply passing all of my textures (as GL_POINTS) and lines to the graphics card using VBO's. When the number of elements outnumbers the number of pixels, is this the most efficient way to do this? Or should I do some calculations on the CPU side before handing everything over to the GPU? If it matters, I do use GL_DEPTH_TEST and GL_ALPHA_TEST. I do some alpha blending, but probably not enough to make a huge performance difference. My scene can be static at times, but the user has control over a typical arc-ball camera and can pan, rotate, or zoom. It is during these operations that performance degradation is noticeable.

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• Apress "Introducing Visual C# 2010" - ISBN 978-1-4302-3171-4 - Conclusion

  - by TATWORTH

  After having spent several weeks reading this book (1230 pages before the index!), I can thoroughly recommend this book as a practical introduction to Visual C# 2010 both to people learning C# and to experianced C# users. It introduces C# through practical examples then gives a good introduction to the Dot Net framework. After dealing with Data Access, it gives a brief introduction to variousUI technologies. The final section deals with advanced topics including a thoroughly practical intruction to windows services. There are copious coding examples and useful tips. Many chapters begin with a quick problem solver solution reference. In short "Introducing Visual C# 2010" in the words of the sub title, is an excellent start to your C# journey with an expert by your side leading by example.

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• Best way to trigger editing and dynamically show editing features? [on hold]

  - by Tim Marshall

  Page In Question: http://rafflebananza.com/admin/StatisticalData/expenses/expenses.html Hiya Everyone, On my page, I have an 'Actions' drop down to the top-right hand side of the page. This actions drop down I would like to have an action to 'Enable Editing'. Upon clicking to enable editing, I would like a PHP variable modified from 'EnableEditing = false' to 'EnableEditing = true'. Why I would like to use PHP maybe questionable, here is why I would like to use PHP under my understanding to clarify; Sections on my page will show to different administrators depending on their level. Upon enabling editing mode, certain contents will then dynamically. <?php if ($_SESSION['user_level_status'] < 2) { if ($editing = enabled) { show this } else { show this } } ?> Something similar to this, I'm new at PHP so this may look incorrect. The question really is, is PHP the correct language to use to trigger editing and how can I do this please? Best Regards, Tim

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