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How many threads is too many?
...hread pool each time it receives a request. It is up to the thread pool to allocate a thread for the task when there is one available.
– GEOCHET
Jan 27 '09 at 1:41
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Can you explain the concept of streams?
...g that can be streamed. Let's have a look at the concept of streams in the PHP manual.
a stream is a resource object which exhibits streamable behavior. That
is, it can be read from or written to in a linear fashion, and may be
able to fseek() to an arbitrary location within the stream.
Li...
C# vs C - Big performance difference
...cation (both in release build). Since the C# application is very basic and allocates the memory used in the loop on the stack and not on the heap, it is actually performing a lot better than a real application involved in objects, heavy computations and with larger data-sets. So the figures provided...
Return index of greatest value in an array
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[...arr.keys()] outputs an error: unexpected token
– ed1nh0
Apr 22 '19 at 17:11
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通信连接组件 · App Inventor 2 中文网
...求头，令牌等参数请放在网址里，例如 wss://example.com/ws?token=abc。
二进制消息：设备或服务器发来二进制帧时，在「收到字节时」拿到字节列表；发送用「发送字节数组」，参数是字节列表。
拼包、算校验、解析数字用二进制...
Why does this method print 4?
... to Java Virtual Machine Specifications for JAVA 6,
frames may be heap allocated.
So, when a frame is created, there should be enough heap space to create a stack frame and enough stack space to store the new reference which point to the new stack frame if the frame is heap allocated.
Now let...
String to object in JS
... That's not working. It gives you error 'SyntaxError: Unexpected token :'. I've checked it in the Chrome.
– Nyambaa
May 18 '11 at 8:09
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Is there any advantage of using map over unordered_map in case of trivial keys?
... vs list) , the default process heap (talking Windows here) is serialized. Allocating (small) blocks in large quantities in a multithreaded application is very expensive.
– ROAR
Feb 4 '10 at 3:06
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Version vs build in Xcode
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OT: You have a leak in your method - you alloc/init the string, which retains the string, but you're not releasing it. On an object you return from a method, you should generally use a convenience method so the string is autoreleased automatically, or call autorelea...
Is there a performance difference between i++ and ++i in C++?
... What the compiler can avoid is the second copy to return tmp, by allocating tmp in the caller, through NRVO, as mentioned by another comment.
– Blaisorblade
Jan 15 '09 at 0:13
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