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Fastest method of screen capturing on Windows

...e a class that implemented the GDI method for screen capture. I too wanted extra speed so, after discovering the DirectX method (via GetFrontBuffer) I tried that, expecting it to be faster. I was dismayed to find that GDI performs about 2.5x faster. After 100 trials capturing my dual monitor displa...
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How to convert floats to human-readable fractions?

....com/ShowCode.asp?ID=582): Public Function Dec2Frac(ByVal f As Double) As String Dim df As Double Dim lUpperPart As Long Dim lLowerPart As Long lUpperPart = 1 lLowerPart = 1 df = lUpperPart / lLowerPart While (df <> f) If (df < f) Then lUpperPart = lU...
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Best approach to real time http streaming to HTML5 video client

...MP4 and I had to tune the FFMPEG parameters, and the standard node stream pipe redirection over http that I used originally was all that was needed. In MP4 there is a 'fragmentation' option that breaks the mp4 into much smaller fragments which has its own index and makes the mp4 live streaming opti...
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Accessing Session Using ASP.NET Web API

...w): WebApiConfig.cs public static class WebApiConfig { public static string UrlPrefix { get { return "api"; } } public static string UrlPrefixRelative { get { return "~/api"; } } public static void Register(HttpConfiguration config) { config.Routes.MapHttpRoute( ...
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How do I escape spaces in path for scp copy in Linux?

...\ c' . does not work scp localhost:'f/a b c' . The reason is that the string is interpreted by the shell before the path is passed to the scp command. So when it gets to the remote the remote is looking for a string with unescaped quotes and it fails To see this in action, start a shell with ...
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How to create a trie in Python

... Static memory-efficient Trie structures for Python (2.x and 3.x). String data in a MARISA-trie may take up to 50x-100x less memory than in a standard Python dict; the raw lookup speed is comparable; trie also provides fast advanced methods like prefix search. Based on marisa-trie C...
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Left Join With Where Clause

...to retrieve all default settings from the settings table but also grab the character setting if exists for x character. 6 ...
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How does the Java 'for each' loop work?

... for (Iterator<String> i = someIterable.iterator(); i.hasNext();) { String item = i.next(); System.out.println(item); } Note that if you need to use i.remove(); in your loop, or access the actual iterator in some way, you canno...
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Getting RAW Soap Data from a Web Reference Client running in ASP.net

... break; } } public void Log(SoapMessage message, string stage) { newStream.Position = 0; string contents = (message is SoapServerMessage) ? "SoapRequest " : "SoapResponse "; contents += stage + ";"; StreamReader reader = new StreamReade...
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Linux: is there a read or recv from socket with timeout?

...econds; tv.tv_usec = 0; setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, (const char*)&tv, sizeof tv); // WINDOWS DWORD timeout = timeout_in_seconds * 1000; setsockopt(socket, SOL_SOCKET, SO_RCVTIMEO, (const char*)&timeout, sizeof timeout); // MAC OS X (identical to Linux) struct timeval tv; tv...