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Is there a /dev/null on Windows?
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answered Nov 23 '08 at 23:30
Jon SkeetJon Skeet
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List files with certain extensions with ls and grep
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meder omuralievmeder omuraliev
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How to show the text on a ImageButton?
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278
As you can't use android:text I recommend you to use a normal button and use one of the compou...
Chrome Extension Message passing: response not sent
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rsanchezrsanchez
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How to download and save a file from Internet using Java?
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What's the best way to cancel event propagation between nested ng-click calls?
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edited Oct 22 '13 at 15:40
answered Mar 4 '13 at 2:30
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How to delete a row by reference in data.table?
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125
Good question. data.table can't delete rows by reference yet.
data.table can add and delete co...
What are the use cases for selecting CHAR over VARCHAR in SQL?
...the word "FooBar"
CHAR(6) = 6 bytes (no overhead)
VARCHAR(100) = 8 bytes (2 bytes of overhead)
CHAR(10) = 10 bytes (4 bytes of waste)
The bottom line is CHAR can be faster and more space-efficient for data of relatively the same length (within two characters length difference).
Note: Microsoft SQL...
getting the screen density programmatically in android?
...the metrics.densityDpi property will be one of the DENSITY_xxx constants (120, 160, 213, 240, 320, 480 or 640 dpi).
If you need the actual lcd pixel density (perhaps for an OpenGL app) you can get it from the metrics.xdpi and metrics.ydpi properties for horizontal and vertical density respectively....
django urls without a trailing slash do not redirect
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answered Oct 20 '09 at 18:49
JiaaroJiaaro
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