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What does $$ mean in the shell?
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103
In Bash $$ is the process ID, as noted in the comments it is not safe to use as a temp filename...
MySQL COUNT DISTINCT
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answered Apr 20 '11 at 23:15
ypercubeᵀᴹypercubeᵀᴹ
102k1414 gold badges155155 silver badges216216 bronze badges
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TypeError: Illegal Invocation on console.log.apply
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180
It may not work in cases when execution context changed from console to any other object:
Th...
How do I sort a list by different parameters at different timed
... int result = option.compare(o1, o2);
if (result != 0) {
return result;
}
}
return 0;
}
};
}
}
An example of usage (with a static import).
public static void main(String[] ar...
Why did Bootstrap 3 switch to box-sizing: border-box?
I'm migrating my Bootstrap themes from v2.3.2 to v3.0.0 and one thing I noticed is that a lot of dimensions are calculated differently, due to the following styles in bootstrap.css.
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How to sort a Ruby Hash by number value?
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metrics = {"sitea.com" => 745, "siteb.com" => 9, "sitec.com" => 10 }
metrics.sort_by {|_key, value| value}
# ==> [["siteb.com", 9], ["sitec.com", 10], ["sitea.com", 745]]
If you need a hash as a result, you can use to_h (in Ruby 2.0+)
metrics.sort_by {|_key, value| value}.to_h
# ...
AngularJs ReferenceError: $http is not defined
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ŁukaszBachmanŁukaszBachman
32.6k1010 gold badges6060 silver badges6969 bronze badges
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How to copy a local Git branch to a remote repo
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can be used to specify this manually.
Jan suggests (for git >= 1.7.0) the push -u (or push --set-upstream) option:
For every branch that is up to date or successfully pushed, add upstream (tracking) reference, used by argument-less git-pull(1) and other commands.
That way, you don't have t...
Compiler error: memset was not declared in this scope
I am trying to compile my C program in Ubuntu 9.10 (gcc 4.4.1).
2 Answers
2
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How to make my layout able to scroll down?
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Just wrap all that inside a ScrollView:
<?xml version="1.0" encoding="utf-8"?>
<ScrollView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<!-- Here you put the rest of your cur...