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Android and setting alpha for (image) view alpha
...n. The alternative is to use View.setAlpha(float) whose XML counterpart is android:alpha. It takes a range of 0.0 to 1.0 instead of 0 to 255. Use it e.g. like
<ImageView android:alpha="0.4">
However, the latter in available only since API level 11.
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How do I implement an Objective-C singleton that is compatible with ARC?
How do I convert (or create) a singleton class that compiles and behaves correctly when using automatic reference counting (ARC) in Xcode 4.2?
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How do I mock an open used in a with statement (using the Mock framework in Python)?
...rite('something')
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<mock.Mock object at 0x...>
>>> file_handle = mock_open.return_value.__enter__.return_value
>>> file_handle.write.assert_called_with('something')
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How can I get the current user's username in Bash?
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On the command line, enter
whoami
or
echo "$USER"
To save these values to a variable, do
myvariable=$(whoami)
or
myvariable=$USER
Of course, you don't need to make a variable since that is what the $USER variable is for.
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Dark theme in Netbeans 7 or 8
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Darcula
UPDATE 2016-02: NetBeans 8 now has a Darcula plugin, better and more complete than the alternatives discussed in old version of this Answer.
The attractive and productive Darcula theme in JetBrains IntelliJ is now available in NetBeans 8.0 & 8.1!
The Real Thing
This plugin p...
Cleaning up old remote git branches
I work from two different computers (A and B) and store a common git remote in the dropbox directory.
9 Answers
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Using Razor, how do I render a Boolean to a JavaScript variable?
...u may also want to try:
isFollowing: '@(Model.IsFollowing)' === '@true'
and an ever better way is to use:
isFollowing: @Json.Encode(Model.IsFollowing)
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Keyboard shortcut to comment lines in Sublime Text 3
...it was possible to comment out a line or a block of lines with Ctrl + / and Ctrl + Shift + / . According to the menu Edit > Comment these shortcuts should be valid, but in Sublime Text 3 (build 3047) they no longer seem to work. Does anybody know the right default keyboard shortcuts for Lin...
Unique combination of all elements from two (or more) vectors
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this maybe what you are after
> expand.grid(a,b)
Var1 Var2
1 ABC 2012-05-01
2 DEF 2012-05-01
3 GHI 2012-05-01
4 ABC 2012-05-02
5 DEF 2012-05-02
6 GHI 2012-05-02
7 ABC 2012-05-03
8 DEF 2012-05-03
9 GHI 2012-05-03
10 ABC 2012-05-04
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JavaScript - get the first day of the week from current date
...get the first day of the week. For example: today is the 11th of November, and a Thursday; and I want the first day of this week, which is the 8th of November, and a Monday. I need the fastest method for MongoDB map function, any ideas?
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