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SHFileOperation函数总结（文件夹的移动、复制、删除） - C/C++ - 清泛网 -...
...ONFIRMMKDIR 0x0200 // 建新目录时不需要用户确定
FOF_NOERRORUI 0x0400 // 不显示出错用户界面
FOF_NOCOPYSECURITYATTRIBS 0x0800 // 不复制 NT 文件的安全属性
FOF_NORECURSION 0x1000 // 不递归目录
返回值：
函数成功返...
Check if one IEnumerable contains all elements of another IEnumerable
...tyComparer<TSource> comparer)
{
if (first == null)
throw Error.ArgumentNull("first");
if (second == null)
throw Error.ArgumentNull("second");
return Enumerable.IntersectIterator<TSource>(first, second, comparer);
}
private static IEnumerable<TSource> In...
Performance of Find() vs. FirstOrDefault() [duplicate]
...ce, Func<TSource, bool> predicate)
{
if (source == null)
throw Error.ArgumentNull("source");
if (predicate == null)
throw Error.ArgumentNull("predicate");
foreach (TSource source1 in source)
{
if (predicate(source1))
return source1;
}
return default (TSource);
}
...
commands not found on zsh
...ng this in your terminal first: export PATH=$HOME/.local/bin:$PATH
If the error disappears after you type this into the terminal and your terminal functions normally, the above solution will work. If it doesn't, you'll have to find the folder where your reference error is located (the thing not fo...
Android Game Keeps Getting Hacked [closed]
...ient. Whoops the game crashed. Dont tell its because its hacked. A program error can happend. :-)
Again, its not hacker proof. But it might annoy them enough to move on to the next game. Lastly, you could also put out regular updates for the game and only the latest version should be able to "post ...
What does pylint's “Too few public methods” message mean
I'm running pylint on some code, and receiving the error "Too few public methods (0/2)". What does this message mean? The pylint docs are not helpful:
...
How to check for null in Twig?
...se (such as zero, empty string and empty array). Besides, it will cause an error if var is not defined. A safer way would be:
{% if var is not defined or var is null %}
which can be shortened to:
{% if var|default is null %}
If you don't provide an argument to the default filter, it assumes NU...
Numbering rows within groups in a data frame
...hanks! The dplyr solution is good. But if, like me, you kept getting weird errors when trying this approach, make sure that you are not getting conflicts between plyr and dplyr as explained in this post It can be avoided by explicitly calling dplyr::mutate(...)
– EcologyTom
...
Is there anything like inotify on Windows?
...
FileSystemWatcher() is unreliable mainly due to the fact it's error handling for the watcher buffer is more or less incomplete. Due to a lack of path and detailed error handling information, Microsoft gives you no way to recover or manually poll the working directory.
The JNotify for W...
Preloading images with JavaScript
...ment for the i-variable. Otherwise it will be set globally which can cause error that are really hard to solve (unless you know that you forgot the var statement. for (var i = 0.....
– Mohammer
Jun 13 '16 at 23:37
...