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Remove non-numeric characters (except periods and commas) from a string
...od/full stop as follows:
$testString = '12.322,11T';
echo preg_replace('/[^0-9,.]+/', '', $testString);
The pattern can also be expressed as /[^\d,.]+/
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KnockOutJS - Multiple ViewModels in a single View
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150
If they all need to be on the same page, one easy way to do this is to have a master view model ...
jQuery: Adding two attributes via the .attr(); method
...ttribute, you must always use quotes!
From the jQuery documentation (Sep 2016) for .attr:
Attempting to change the type attribute on an input or button element created via document.createElement() will throw an exception on Internet Explorer 8 or older.
Edit:
For future reference...
To get a sing...
Format string, integer with leading zeros
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Use the format string "img_%03d.jpg" to get decimal numbers with three digits and leading zeros.
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Using app.configure in express
...no difference at all.
http://expressjs.com/api.html#app.configure
Update 2015:
@IlanFrumer points out that app.configure is removed in Express 4.x. If you followed some outdated tutorials and wondering why it didn't work, You should remove app.configure(function(){ ... }. Like this:
var express =...
How do you exit from a void function in C++?
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200
Use a return statement!
return;
or
if (condition) return;
You don't need to (and can't) s...
Decoding JSON using json.Unmarshal vs json.NewDecoder.Decode
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edited Jul 14 '16 at 1:50
Seth
8,40299 gold badges3939 silver badges6666 bronze badges
answered Jan 18...
Why is “if not someobj:” better than “if someobj == None:” in Python?
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190
In the first test, Python try to convert the object to a bool value if it is not already one. Ro...
WPF: How to display an image at its original size?
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10
Great tip regarding DPI settings, Paja. Several of my toolbar icons had been set to 72 DPI, which causes them to appear larger even if the p...
How do I set a conditional breakpoint in gdb, when char* x points to a string whose value equals “he
...
You can use strcmp:
break x:20 if strcmp(y, "hello") == 0
20 is line number, x can be any filename and y can be any variable.
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