大约有 4,200 项符合查询结果（耗时：0.0178秒） [XML]
Converting a list to a set changes element order
...t, you can almost consider None and other singletons or shared references "free"), so a machine word, likely 8 bytes on modern computers. But yeah, it is not as space efficient as a set could be.
– juanpa.arrivillaga
Aug 14 '19 at 20:41
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What is thread contention?
...ct or collection and cause lots of contention (for example, there are lock free queues). Locks will tend to deschedule contending threads, allowing non-contending threads to run instead. If thread A holds a lock and thread B wants that same lock, the implementation can run thread C instead. If threa...
How do you configure an OpenFileDialog to select folders?
...set to select files or folders. )
Full Source code (one short C# module). Free. MS-Public license.
Code to use it:
var dlg1 = new Ionic.Utils.FolderBrowserDialogEx();
dlg1.Description = "Select a folder to extract to:";
dlg1.ShowNewFolderButton = true;
dlg1.ShowEditBox = true;
//dlg1.NewStyle =...
How to detect the OS from a Bash script?
...32" ]]; then
# I'm not sure this can happen.
elif [[ "$OSTYPE" == "freebsd"* ]]; then
# ...
else
# Unknown.
fi
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Calling the base constructor in C#
...arts, the base class is already fully initialized and the derived class is free to call any base class function. If your design is such that you want to do something half way your constructor, then apparently this is not initializing the base class ans thus should not be in the constructor of the ba...
Uppercase Booleans vs. Lowercase in PHP
...t be your company's or your own coding guidelines. Other than that, you're free to use either one and it will not lead in any issues.
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How do I add a simple onClick event handler to a canvas element?
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@Jer No worries, if you have more questions, feel free to post and ping me on Twitter, @alexdickson.
– alex
Mar 26 '12 at 22:14
1
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How to prevent browser to invoke basic auth popup and handle 401 error using Jquery?
...se, the requests logs on your webserver are much more valuable to me now.. Free usernames and password combo's plus the response code! Thanks
– Remco
Mar 9 '16 at 9:26
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How do I update Node.js?
...e the following to install that version:
nvm install 8.1.0
You are then free to choose between installed versions of Node.js. So if you would need to use an older version like v4.2.0 you would set it as the active version like this:
nvm use 4.2
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Non-recursive depth first search algorithm
...nked list by using "first_child" pointer. Than you can walk through it and free node's memory without recursion.
– puchu
Feb 20 '14 at 16:38
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