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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...
Get first day of week in SQL Server
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150
To answer why you're getting a Monday and not a Sunday:
You're adding a number of weeks to the ...
Which HTML5 reset CSS do you use and why? [closed]
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40
Real talk: Despite the markdowns kaikai is right, you only need to reset *padding & margin t...
Spring schemaLocation fails when there is no internet connection
...n example see this part of the spring.schemas contents in spring-context-3.0.5.RELEASE.jar:
http\://www.springframework.org/schema/context/spring-context-2.5.xsd=org/springframework/context/config/spring-context-2.5.xsd
http\://www.springframework.org/schema/context/spring-context-3.0.xsd=org/sprin...
JavaScript closure inside loops – simple practical example
...2ality's block-scoping post as a great source of information.
for (let i = 0; i < 3; i++) {
funcs[i] = function() {
console.log("My value: " + i);
};
}
Beware, though, that IE9-IE11 and Edge prior to Edge 14 support let but get the above wrong (they don't create a new i each time, so all...
Fragment transaction animation: slide in and slide out
...ation XML files in res > anim
enter_from_left.xml
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:shareInterpolator="false">
<translate
android:fromXDelta="-100%p" android:toXDelta="0%"
android:fro...
Python idiom to return first item or None
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answered Dec 13 '08 at 23:31
jfsjfs
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How do I position one image on top of another in HTML?
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10 Answers
10
Active
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Javascript: formatting a rounded number to N decimals
...contain information about significant digits; the value 2 is the same as 2.0000000000000. It's when you turn the rounded value into a string that you have make it display a certain number of digits.
You could just add zeroes after the number, something like:
var s = number.toString();
if (s.indexO...
AutoLayout with hidden UIViews?
...best way using AutoLayout to respond to hidden views as if their frame was 0x0. Here is an example of a dynamic list of 1-3 features.
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