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Recommended way of making React component/div draggable
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I implemented react-dnd, a flexible HTML5 drag-and-drop mixin for React with full DOM control.
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Difference between volatile and synchronized in Java
...c; on some (older) hardware this might require locks, though not on modern 64 bit hardware. Under the new (JSR-133) memory model for Java 5+, the semantics of volatile have been strengthened to be almost as strong as synchronized with respect to memory visibility and instruction ordering (see http:/...
Clang vs GCC - which produces faster binaries? [closed]
...ither compiler's
performance when compiling C++ code.
On Ubuntu 15.10, x86.64, and an AMD Phenom(tm) II X6 1090T processor.
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What should main() return in C and C++?
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reentering main is not valid C++. Explicitly in the standard, 3.6.1.3 states 'main shall not be used within a program'
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Get MIME type from filename extension
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Samuel NeffSamuel Neff
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How does the Windows Command Interpreter (CMD.EXE) parse scripts?
...the current folder and the PATH for a .COM, .EXE, .BAT, or .CMD file whose base name matches the original command token
If the first matching file is a .BAT or .CMD, then goto 7.3.exec and execute that script
Else (match not found or first match is .EXE or .COM) execute the remembered internal com...
How to find list of possible words from a letter matrix [Boggle Solver]
...Rosenfield
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Concurrent vs serial queues in GCD
...s internally-managed pool. As far as the writing of this answer, there are 64 queues available per qos. That may seem like a lot but they can quickly be consumed, especially by third-party libraries, particularly database frameworks. For this reason, Apple has recommendations about queue management ...
【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...queue_empty(&sk->sk_write_queue)) {
err = ip_setup_cork(sk, &inet->cork.base, ipc, rtp); //sk_write_queue为空，初始化cork
if (err)
return err;
} else {
transhdrlen = 0;
}
return __ip_append_data(sk, fl4, &sk->sk_write_queue, &inet->cork.base, //添加skb到sk_write_queue
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C++ performance vs. Java/C#
... your c++ compiler will offer for different architectures is usually x86, x64, ARM and whatnot. Now you can tell it to use specific features (say SSE2) and if you're lucky it'll even generate some backup code if that feature isn't available, but that's about as fine-grained as one can get. Certainly...