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Do HTML WebSockets maintain an open connection for each client? Does this scale?
...s (http.sys) is IOCP oriented and very efficient (running in kernel mode). From this point of view, there won't be a lot of difference at scaling between WebSockets and regular HTTP connection. One TCP/IP connection uses a little resource (much less than a thread), and modern OS are optimized for ha...
ASP.NET MVC Html.ValidationSummary(true) does not display model errors
...when I set Html.ValidationSummary(true) it does not display error messages from ModelState. When there is some Exception in controller action on string
...
What's the point of 'const' in the Haskell Prelude?
...th (&&&), const, (.), fst, snd. Note that (&&&) is from Control.Arrow.
The solution of the example using these functions is:
(fst.fst &&& (fst.snd &&& (const 5 &&& fst.fst)))
Note the similarity with (a,(c,(5,a))). What if we replace &a...
What kinds of patterns could I enforce on the code to make it easier to translate to another program
... am setting out to do a side project that has the goal of translating code from one programming language to another. The languages I am starting with are PHP and Python (Python to PHP should be easier to start with), but ideally I would be able to add other languages with (relative) ease. The plan i...
dyld: Library not loaded: @rpath/libswift_stdlib_core.dylib
... to true. The project is objc but the ext is swift and didn't worked right from the begining
– Cristi Băluță
Sep 12 '14 at 8:31
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Convert NSArray to NSString in Objective-C
...property for each item. In this case, description is a NSString * property from NSObject, whose getter can be overriden by its subclasses.
– jweyrich
Apr 25 '13 at 1:19
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What is a race condition?
...act. You have no real way of knowing.
In order to prevent race conditions from occurring, you would typically put a lock around the shared data to ensure only one thread can access the data at a time. This would mean something like this:
// Obtain lock for x
if (x == 5)
{
y = x * 2; // Now, not...
EProgrammerNotFound exception in Delphi?
...adly i cannot use EProgrammerNotFound, as my EProgrammerException descends from EInvisibleException; as it meant as a cross between an assertion failure and an EAbort exception (i caught a programmer screwing something up, and i'm going to stop here).
– Ian Boyd
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Linux c++ error: undefined reference to 'dlopen'
...he makefile:
LDFLAGS='-ldl'
make install
That'll pass the linker flags from make through to the linker. Doesn't matter that the makefile was autogenerated.
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How to have comments in IntelliSense for function in Visual Studio?
...eparate file, you can apply source control to the documentation separately from the source code. One person can have the source code file checked out and someone else can have the documentation file checked out.
The <include> tag uses the XML XPath syntax. Refer to XPath documentation for ways...