大约有 47,000 项符合查询结果（耗时：0.0819秒） [XML]
What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
...
This stuff isn't working for me. I am sorting a file with a third column with contents like R1 R2 R10 R15. Using either -k3.2n or -k3.2g, it is sorting R10 before R2. The sort is lexicographic, not numeric. I expect it to treat the field from the second character onward a...
How to send an email using PHP?
... // Set word wrap to 50 characters
$mail->addAttachment('/var/tmp/file.tar.gz'); // Add attachments
$mail->addAttachment('/tmp/image.jpg', 'new.jpg'); // Optional name
$mail->isHTML(true); // Set email format to HTML
$mail->Subject = 'He...
How do I remove/delete a virtualenv?
...
If you've created a virtualenv in a git repo (and the files are not ignored): git clean -dffx
– Rex Hardin
Feb 22 '18 at 3:35
...
What does SynchronizationContext do?
...ms app:
ThreadPool.QueueUserWorkItem(delegate {
string text = File.ReadAllText(@"c:\temp\log.txt");
myTextBox.BeginInvoke(new Action(() => {
myTextBox.Text = text;
}));
});
Which has the advantage that it works when called from any thread. The advan...
What is the significance of #pragma marks? Why do we need #pragma marks?
...at is the purpose of #pragma marks in Xcode? Does their location in .m files matter? Should some #pragma come before all others?
...
How to quietly remove a directory with content in PowerShell
Using PowerShell, is it possible to remove some directory that contains files without prompting to confirm action?
13 Answe...
Rails layouts per action?
...erformance if various layouts are using say several different css & js files respectively?
– Noz
Nov 8 '12 at 22:50
15
...
How to convert an object to a byte array in C#
I have a collection of objects that I need to write to a binary file.
10 Answers
10
...
How to find the Git commit that introduced a string in any branch?
...as bad. Didn't know who wrote it or when. I could see all changes from the file, but it was clear that the code had been moved from some other file to this one. I wanted to find who actually added it in the first place.
To do this, I used Git bisect, which quickly let me find the sinner.
I ran git...
Shortcut to create properties in Visual Studio?
...lable in the Tools menu, Code Snippets Manager....
Basically you create a file *.snippet and use the Import button in the Code Snippets Manager to add it to Visual Studio.
For a full tutorial you can go to the docs; Walkthrough: Create a code snippet.
In Visual Studio Code snippets are handled s...