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How are Python's Built In Dictionaries Implemented?
...Python Dictionaries use Open addressing (reference inside Beautiful code)
NB! Open addressing, a.k.a closed hashing should, as noted in Wikipedia, not be confused with its opposite open hashing!
Open addressing means that the dict uses array slots, and when an object's primary position is taken in...
解决：CTreeCtrl控件SetCheck无效的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
... str;
str.Format("Count of State Icon: %d/n", nItem);
TRACE(str);
果然不出所料，测试结果发现，在OnInitDialog里面，树控件虽然添加了数据，但是它的State Icon
并没有加载，ImageList是空的。一旦它显示自己后，ImageList就不是NULL了，里面的图...
C# 'is' operator performance
...ox 57 milliseconds, and the enum comparison coming in at 29 milliseconds.
NB I'd still prefer the is check, the difference is too small to care about
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Wrap a delegate in an IEqualityComparer
...Func<T, T, bool> comparer )
: this( comparer, t => 0 ) // NB Cannot assume anything about how e.g., t.GetHashCode() interacts with the comparer's behavior
{
}
public FuncEqualityComparer( Func<T, T, bool> comparer, Func<T, int> hash )
{
_comparer...
How can I display just a portion of an image in HTML/CSS?
...ip: rect(0, 100px, 200px, 0);
/* clip: shape(top, right, bottom, left); NB 'rect' is the only available option */
}
<div class="container">
<img src="http://lorempixel.com/200/200/nightlife/3" />
</div>
<div class="container">
<img id="clip" src="http://loremp...
What is external linkage and internal linkage?
...ier static affects the lifetime of the local variable and not its scope.
NB: The keyword static plays a double role. When used in the definitions of global variables, it specifies internal linkage. When used in the definitions of the local variables, it specifies that the lifetime of the variable ...
Windows远程桌面授权错误（授权超时）等报错信息疑难解答 - 更多技术 - 清...
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要点
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What is the proper declaration of main?
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NB. I posted this answer as in comments to another thread, someone tried to cite this thread as evidence that int main(void) was not correct in C++.
– M.M
Jul 1 '17 at 9:22
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How can I split up a Git commit buried in history?
...
Edit the commit before <commit>
git rebase -i <commit>^^
NB: perhaps it will be also needed to edit <commit> as well.
Cherry pick <commit> into the index
git cherry-pick -n <commit>
Interactively reset unneeded changes from the index and reset the working tree
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Is it possible to make a type only movable and not copyable?
...ith destructors that free it... causing a double free, which is a problem. NB. This would be perfectly fine, if we did a semantic copy of v into w, since then w would be its own independent Vec<u8> and destructors wouldn't be trampling on each other.
There's a few possible fixes here:
Let t...