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What are copy elision and return value optimization?
... in modern C++ (RVO vs std::move). During watching some of the CppCon 2014 videos, i really got the impression that all modern compilers always do RVO. Furthermore, I've read somewhere that also without any optimizations on, the compilers apply it. But, of course, I am not sure about it. That's why ...
How to change the output color of echo in Linux
... mode
tput rmul # Disable underline mode
tput rev # Turn on reverse video mode
tput smso # Enter standout (bold) mode
tput rmso # Exit standout mode
Cursor movement commands
tput cup Y X # Move cursor to screen postion X,Y (top left is 0,0)
tput cuf N # Move N characters forward (r...
What is the best way to stop people hacking the PHP-based highscore table of a Flash game
...inal back. It's simple, but helps stop memory search.
Also, check out the video from some of the guys behind the PushButton engine who talk about some of the different ways you can combat hacking: http://zaa.tv/2010/12/the-art-of-hacking-flash-games/. They were the inspiration behind the class.
...
ViewBag, ViewData and TempData
...asically it's like a DataReader, once read, data will be lost.
Check this Video
Example
public class HomeController : Controller
{
public ActionResult Index()
{
ViewBag.Message = "Welcome to ASP.NET MVC!";
TempData["T"] = "T";
return RedirectToAction("About");
...
Why does base64 encoding require padding if the input length is not divisible by 3?
...art encoding it. But what if, instead of words, we were encoding chunks of video from a live camera? We might not know the length of each chunk in advance.
If the protocol used padding, there would be no need to transmit a length at all. The data could be encoded as it came in from the camera, each...
Image comparison - fast algorithm
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phash offers several types of hash and can be used for images, audio or video.
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How does data binding work in AngularJS?
...e, which would show you which are the slow comparisons.
It turns out that video games and GPUs use the dirty-checking approach, specifically because it is consistent. As long as they get over the monitor refresh rate (typically 50-60 Hz, or every 16.6-20 ms), any performance over that is a waste, s...
What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?
...3 GIFs have the unique ability to display a sequence of images, similar to videos, called an animated GIF.
4 If the image has few colors and does not require any advanced alpha transparency effect, GIF is the way to go.
SVG > Scalable Vector Graphics
1 SVGs are a web standard based on XML that...
NVIDIA vs AMD: GPGPU performance
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Not so much for video or GPGPU cards but as for processors themselves, I've always been a fan of Intel over AMD, however and recently AMD is about to release the new ZEN processor in which their burn mark tests are showing that at default se...
WebSockets protocol vs HTTP
...ing, what it’s used for and how you can implement it yourself.
Here's a video from a presentation I did about WebSockets and how they are different than using the regular REST APIs: Standardisation and leveraging the exponential rise in data streaming
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