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git diff file against its last change
...ble to get git to produce a diff between a specific file as it exists now, and as it existed before the last commit that changed it?
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Difference between @import and link in CSS
I'm learning some CSS to tweak my project template. I come to this problem and didn't find a clear answer on the web. Is there a difference between using @import or link in CSS?
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Select top 10 records for each category
...= 10
If your RankCriteria has ties then you may return more than 10 rows and Matt's solution may be better for you.
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Alternative for PHP_excel
... quite as convenient for the end user as XSLX (depending on file extension and Excel version, they may get a warning message), but it's a lot easier to work with than XLS or XLSX.
http://github.com/elidickinson/php-export-data
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C# version of java's synchronized keyword?
...: only apply thread-safety when you know you actually are going to use it (and test it).
For the method-level stuff, there is [MethodImpl]:
[MethodImpl(MethodImplOptions.Synchronized)]
public void SomeMethod() {/* code */}
This can also be used on accessors (properties and events):
private int ...
How do Google+ +1 widgets break out of their iframe?
...me. This JavaScript widget is running within the context of your website and therefore is not constrained by the Origin Inheritance Rules for iframes. Therefore this JavaScript widget can set whatever DOM events it wants on the parent site even though it appears to be just a simple iframe.
Anot...
Programmatically set the initial view controller using Storyboards
...rdFile 'MainStoryboard' - perhaps the designated entry point is not set?
And you'll notice that your window property in the app delegate is now nil.
In the app's setting, go to your target and the Info tab. There clear the value of Main storyboard file base name. On the General tab, clear the val...
Debugging sqlite database on the device
I am presently working on an WiFi application for Android. I am having trouble trying to access the database on the device. Debugging in the emulator doesn't work for me, because there is no WiFi support in the emulator. I tried pulling the database file out of the device by using
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DistutilsOptionError: must supply either home or prefix/exec-prefix — not both
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Are you using OS X and Homebrew? The Homebrew python page https://github.com/Homebrew/brew/blob/master/docs/Homebrew-and-Python.md calls out a known issue with pip and a work around.
Worked for me.
You can make this "empty prefix" the def...
Compare two files line by line and generate the difference in another file
I want to compare file1 with file2 and generate a file3 which contains the lines in file1 which are not present in file2.
1...