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What does @@variable mean in Ruby?
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A variable prefixed with @ is an instance variable, while one prefixed with @@ is a class variab...
How to get CSS to select ID that begins with a string (not in Javascript)?
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edited Jun 30 '15 at 11:53
answered Jul 15 '12 at 23:58
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Use of the MANIFEST.MF file in Java
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The content of the Manifest file in a JAR file created with version 1.0 of the Java Development Kit is the following.
Manifest-Version: 1.0
All the entries are as name-value pairs. The name of a header is separated from its value by a colon. The default manifest shows that it conforms to ver...
Specifying and saving a figure with exact size in pixels
...e too large it will shrink to the screen size). Let's imagine you want an 800x800 pixel image just for an example. Here's how to show an 800x800 pixel image in my monitor (my_dpi=96):
plt.figure(figsize=(800/my_dpi, 800/my_dpi), dpi=my_dpi)
So you basically just divide the dimensions in inches by...
Commit changes to a different branch than the currently checked out branch with subversion
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answered May 6 '10 at 19:37
ryanprayogoryanprayogo
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Regex empty string or email
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edited Feb 21 '11 at 9:08
answered Feb 21 '11 at 9:02
Da...
Why does an image captured using camera intent gets rotated on some devices on Android?
...g if you take the photo in portrait, the resulting photos will be rotated 90 degrees. In this case, the camera software should populate the Exif data with the orientation that the photo should be viewed in.
Note that the below solution depends on the camera software/device manufacturer populating t...
MySQL Results as comma separated list
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You can use GROUP_CONCAT to perform that, e.g. something like
SELECT p.id, p.name, GROUP_CONCAT...
How to use sidebar with the keyboard in Sublime Text 2 and 3?
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You can type Ctrl+0 (Ctrl+Zero) to focus on the side bar.
Then you'll be able to move selection among files with arrow keys and to open the selected file hitting Enter, without touching the mouse.
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Difference between UIViewContentModeScaleAspectFit and UIViewContentModeScaleToFill?
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EmptyStackEmptyStack
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