大约有 43,000 项符合查询结果（耗时：0.0610秒） [XML]
Jquery live() vs delegate() [duplicate]
...ple, every single click on the entire document has to be compared with the selector a.myClass to see if it matches. With delegate, that is only the elements within #containerElement. This will obviously improve performance.
Finally, live requires that your browser looks for a.myClass whether or n...
Convert number to month name in PHP
...mes from the beginning of the year to the end e.g. to populate a drop-down select, I would just use the following;
for ($i = 0; $i < 12; ++$i) {
$months[$m] = $m = date("F", strtotime("January +$i months"));
}
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Allow multiple roles to access controller action
...filesRequired");
this.UserProfilesRequired = userProfilesRequired.Select(p => Enum.GetName(p.GetType(), p)).ToArray();
}
public override void OnAuthorization(AuthorizationContext context)
{
bool authorized = false;
foreach (var role in this.UserProfilesRequi...
Import Error: No module named numpy
...Windows key. Type "cmd". Right-click on the
suggested "Command Prompt" and select "Run as Administrator)
Navigate to the Python installation directory's Scripts folder using the "cd" (change directory) command. e.g. "cd C:\Program Files (x86)\PythonXX\Scripts"
This might be: C:\Users\\AppData\Loca...
WPF and initial focus
...aversalRequest(FocusNavigationDirection.First));
This will automatically select the first control in the tab order, so it's a general solution that should be able to be dropped into any window and Just Work.
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Good introduction to the .NET Reactive Framework [closed]
...ouseDown()
from mv in this.GetMouseMove().Until(this.GetMouseUp())
select new Point(mv.X, mv.Y);
mouseMoveWhileDown
.Pairwise()
.Subscribe(tup => graphics.DrawLine(pen, tup.Item1, tup.Item2));
(I must confess that in that example, Pairwise() is home-grown...)
The most importa...
Windows path in Python
...
however best practice is to use the os.path module functions that always select the correct configuration for your OS:
os.path.join(mydir, myfile)
From python 3.4 you can also use the pathlib module. This is equivelent to the above:
pathlib.Path(mydir, myfile)
or
pathlib.Path(mydir) / myfil...
What is the difference between sed and awk? [closed]
...of awk including mawk and nawk.
Both programs use regular expressions for selecting and processing text.
I would tend to use sed where there are patterns in the text. For example, you could replace all the negative numbers in some text that are in the form "minus-sign followed by a sequence of dig...
Display a tooltip over a button using Windows Forms
...form designer:
Drag the ToolTip control from the Toolbox, onto the form.
Select the properties of the control you want the tool tip to appear on.
Find the property 'ToolTip on toolTip1' (the name may not be toolTip1 if you changed it's default name).
Set the text of the property to the tool tip te...
Free XML Formatting tool [closed]
...
Another method to reindent XML in Notepad++:
From menu select Plugins -> XML Tools -> Pretty print (XML only – with line breaks)
or press Ctrl+Alt+Shift+B.
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