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How to limit the amount of concurrent async I/O operations?
...can create delegate-bound tasks on the TPL that have not yet been started, and allow for a custom task scheduler to limit the concurrency. In fact, there's an MSDN sample for it here:
See also TaskScheduler .
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In what cases do I use malloc and/or new?
I see in C++ there are multiple ways to allocate and free data and I understand that when you call malloc you should call free and when you use the new operator you should pair with delete and it is a mistake to mix the two (e.g. Calling free() on something that was created with the new ...
将Linux代码移植到Windows的简单方法 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
.../* Define if <inttypes.h> exists, doesn‘t clash with <sys/types.h>,
and declares uintmax_t. */
#define HAVE_INTTYPES_H 1
通过分析代码可以发现，代码并不是需要一个完整的inttypes.h文件，而是为了一个uintmax_t的定义。在Visual Stdio的C Library中并没有intt...
How to use glOrtho() in OpenGL?
I can't understand the usage of glOrtho . Can someone explain what it is used for?
3 Answers
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What's so bad about Template Haskell?
...resenting Haskell ASTs. I imagine that copying the TH ADTs, and writing a converter to the internal AST representation would get you a good deal of the way there. This would be equivalent to the (not insignificant) effort of creating haskell-src-meta. It could also be simply re-implemented by pre...
What exactly is a Context in Java? [duplicate]
I Googled this and read the Java documentation, but I'm a bit confused. Can somebody please explain what a Context is in plain English?
...
Custom thread pool in Java 8 parallel stream
...join pool. If you execute it as a task in a fork-join pool, it stays there and does not use the common one.
final int parallelism = 4;
ForkJoinPool forkJoinPool = null;
try {
forkJoinPool = new ForkJoinPool(parallelism);
final List<Integer> primes = forkJoinPool.submit(() ->
...
throwing exceptions out of a destructor
...meaning.
// Post C++11 destructors are by default `noexcept(true)` and
// this will (by default) call terminate if an exception is
// escapes the destructor.
//
// But this example is designed to show that terminate is called
// if two exceptions are p...
Is it safe to remove selected keys from map within a range loop?
...r key := range m {
if key.expired() {
delete(m, key)
}
}
And the language specification:
The iteration order over maps is not specified and is not guaranteed to be the same from one iteration to the next. If map entries that have not yet been reached are removed during iteratio...
User Authentication in ASP.NET Web API
...henticated(string role)
{
string[] parts = UTF8Encoding.UTF8.GetString(Convert.FromBase64String(Request.Headers.Authorization.Parameter)).Split(':');
if (parts.Length != 2 || !Membership.ValidateUser(parts[0], parts[1]))
throw new HttpResponseException(Request.CreateErrorResponse(Htt...