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What is the difference between “px”, “dip”, “dp” and “sp”?
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From the Android Developer Documentation:
px
Pixels - corresponds to actual pixels on the screen.
in
Inches - based on the physical size of the screen.
1 Inch = 2.54 centimeters
mm
Millimeters - based on ...
Android: When is onCreateOptionsMenu called during Activity lifecycle?
...lated)
That test will break very shortly, once Ice Cream Sandwich ships. From what I can tell, ICS phones will have action bars (though perhaps not system bars).
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How to convert Set to String[]?
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From Java 7 we can use String[] GPXFILES1 = myset.toArray(new String[0]) and that's recommended. Update the answer. "Since late updates of OpenJDK 6 this call was intrinsified, making the performance of the empty array versi...
What is the purpose of the '@' symbol in CSS?
...how styles are applied.
Some code examples:
/* Import another stylesheet from within a stylesheet */
@import url(style2.css);
/* Apply this style only for printing */
@media print {
body {
color: #000;
background: #fff;
}
}
/* Embed a custom web font */
@font-face {
f...
What does GitHub for Windows' “sync” do?
... git pull --rebase and then if there are local changes, it does git push.
From here: http://haacked.com/archive/2012/05/21/introducing-github-for-windows.aspx#87318
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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...an *. Specifically:
$@ "[e]xpands to the positional parameters, starting from one. When the expansion occurs within double quotes, each parameter expands to a separate word."
In an array, "[i]f the word is double-quoted, ${name[*]} expands to a single word with the value of each array member separ...
What is the difference in maven between dependency and plugin tags in pom xml?
...ring the build and they should be configured in the <build/> element from the POM.
Reporting plugins will be executed during the site generation and they should be configured in the <reporting/> element from the POM.
According to the maven goal specified in the command line (for exa...
TypeError: not all arguments converted during string formatting python
...ng to pass in a tuple into the string format method.
I found the solution from this question/answer
Copying and pasting the correct answer from the link (NOT MY WORK):
>>> thetuple = (1, 2, 3)
>>> print "this is a tuple: %s" % (thetuple,)
this is a tuple: (1, 2, 3)
Making a...
Best way to clear a PHP array's values
...f you want something more powerful use unset since it also will clear $foo from the symbol table, if you need the array later on just instantiate it again.
unset($foo); // $foo is gone
$foo = array(); // $foo is here again
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How to diff a commit with its parent?
Aside from writing an alias or script, is there a shorter command for getting the diff for a particular commit?
8 Answers
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