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Change navbar color in Twitter Bootstrap
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12 Answers
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Is there StartsWith or Contains in t sql with variables?
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123
StartsWith
a) left(@edition, 15) = 'Express Edition'
b) charindex('Express Edition', @edition...
Most efficient way to reverse a numpy array
... something like this:
arr = np.array(some_sequence)
reversed_arr = arr[::-1]
do_something(arr)
look_at(reversed_arr)
do_something_else(arr)
look_at(reversed_arr)
I'm not a numpy expert, but this seems like it would be the fastest way to do things in numpy. If this is what you are already doing,...
Add a new element to an array without specifying the index in Bash
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1599
Yes there is:
ARRAY=()
ARRAY+=('foo')
ARRAY+=('bar')
Bash Reference Manual:
In the con...
Creating a UIImage from a UIColor to use as a background image for UIButton [duplicate]
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145
I created a category around UIButton to be able to set the background color of the button and ...
Blocks on Swift (animateWithDuration:animations:completion:)
...es:
UIView.animateWithDuration(0.2, animations: {
self.blurBg.alpha = 1
}, completion: {
(value: Bool) in
self.blurBg.hidden = true
})
The important part here is the (value: Bool) in. That tells the compiler that this closure takes a Bool labeled 'value' and returns void.
For referen...
What are the differences between a multidimensional array and an array of arrays in C#?
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{
// Code size 7 (0x7)
.maxstack 8
IL_0000: ldarg.0
IL_0001: ldarg.1
IL_0002: ldelem.ref
IL_0003: ldarg.2
IL_0004: ldarg.3
IL_0005: stelem.i4
IL_0006: ret
} // end of method Program::SetElementAt
.method private hidebysig static void SetElementAt(int32[0...,0...] '...
How to return a part of an array in Ruby?
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195
Yes, Ruby has very similar array-slicing syntax to Python. Here is the ri documentation for th...
Counting the number of True Booleans in a Python List
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215
True is equal to 1.
>>> sum([True, True, False, False, False, True])
3
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How to set current working directory to the directory of the script in bash?
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11 Answers
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