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浅谈TCP优化 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...。「cwnd」同「rwnd」相比不同的是：它只是发送方的一个内部参数，无需通知给接收方，其初始值往往比较小，然后随着数据包被接收方确认，窗口成倍扩大，有点类似于拳击比赛，开始时不了解敌情，往往是次拳试探，慢慢心...
C++STL容器使用经验总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...，切记在容器对象析构前将指针delete掉。
STL很智能，但没有智能到知道是否该删除自己所包含的指针所指向的对象的程度。为了避免资源泄漏，你必须在容器被析构前手工删除其中的每个指针，或使用引用计数形式的智能指针...
App Inventor 2 列表代码块 · App Inventor 2 中文网
...的制作列表。
创建空列表
创建一个没有元素的空列表。
创建列表
从给定的代码块创建一个列表。如果不提供任何参数，这将创建一个空列表，可以稍后向其中添加元素。
这个代码块是...
Is System.nanoTime() completely useless?
...stent across all processors/cores? (Does arch matter? e.g. ppc, arm, x86, amd64, sparc).
It should or it's considered buggy.
However, on x86/x86_64, it is possible to see unsynced or variable freq TSCs cause time inconsistencies. 2.4 kernels really had no protection against this, and e...
Why would adding a method add an ambiguous call, if it wouldn't be involved in the ambiguity
...are removed from the parameter list," and "If M(p) is a non-generic method amd M(q) is a generic method, then M(p) is better than M(q)."
However, I do not understand these parts of the spec thoroughly enough to know which parts of the spec control this behavior, let alone to judge whether it is com...
ByteArray 扩展 - 字节数组处理工具 · App Inventor 2 中文网
...200）。
添加字节数组(字节数组)
将另一个字节数组的内容添加到当前字节数组的末尾。
添加16位整数(整数值)
将一个16位整数添加到字节数组中。
添加32位整数(整数值)
将一个32位整数添加到字节数组中。
添加64位...
py2exe - generate single executable file
...
Please note that bundle_files 1 isn't supported on amd64 (py2exe 0.6.9 for Python 2.6 at least)
– Joril
Mar 8 '11 at 17:20
2
...
How to see which flags -march=native will activate?
...verified the correctness of this on two different CPUs (an Intel Core2 and AMD Phenom), so I suggest also running the following script to be sure that all of these -mno-* flags can be safely stripped.
#!/bin/bash
gcc_cmd="gcc"
# Optionally supply path to gcc as first argument
if (($#)); then
...
JavaScript dependency management: npm vs. bower vs. volo [closed]
...-end modules. There is no difference in using NPM for commonjs modules, vs amd, vs anything else. You could use npm just as well for non-javascript modules as well. Therefore, that is simply not a difference between npm and bower. Whether you call them packages or components, they are the same in th...
NumPy: function for simultaneous max() and min()
...
as of numpy 1.8 min and max are vectorized on amd64 platforms,on my core2duo numpy performs as well as this fortran code. But a single pass would be advantageous if the array exceed the size of the larger cpu caches.
– jtaylor
Mar 7...