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Regular expression to allow spaces between words
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tl;dr
Just add a space in your character class.
^[a-zA-Z0-9_ ]*$
Now, if you want to be strict...
The above isn't exactly correct. Due to the fact that * means zero or more, it would match all of the following cases that one would not usually mean to match:
An empty str...
React ignores 'for' attribute of the label element
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edited Jun 4 '16 at 2:08
answered Mar 31 '14 at 1:48
So...
LoaderManager with multiple loaders: how to get the right cursorloader
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120
The Loader class has a method called getId(). I would hope this returns the id you've associated...
Is it possible to change the radio button icon in an android radio button group
...wn style for radio buttons, at res/values/styles.xml:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="CustomTheme" parent="android:Theme">
<item name="android:radioButtonStyle">@style/RadioButton</item>
</style>
<style name="RadioButton" par...
Rotating videos with FFmpeg
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708
Rotate 90 clockwise:
ffmpeg -i in.mov -vf "transpose=1" out.mov
For the transpose parameter ...
Default template arguments for function templates
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150
It makes sense to give default template arguments. For example you could create a sort function:...
How can I add new array elements at the beginning of an array in Javascript?
... not already an array:
const array = [ 3, 2, 1 ]
const newLastElement = 0
// Both of these lines are equivalent:
const newArray1 = array.concat(newLastElement) // [ 3, 2, 1, 0 ]
const newArray2 = array.concat([newLastElement]) // [ 3, 2, 1, 0 ]
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Setting focus on an HTML input box on page load
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answered Aug 1 '10 at 19:32
SaikiosSaikios
3,07366 gold badges3232 silver badges5050 bronze badges
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In an array of objects, fastest way to find the index of an object whose attributes match a search
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– Pablo Francisco Pérez Hidalgo
Sep 5 '14 at 10:12
1
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Testing if jQueryUI has loaded
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edited Oct 18 '10 at 0:03
Peter Ajtai
52.9k1111 gold badges117117 silver badges138138 bronze badges
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