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How can I validate a string to only allow alphanumeric characters in it?
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183
Use the following expression:
^[a-zA-Z0-9]*$
ie:
using System.Text.RegularExpressions;
Rege...
How to add multiple columns to a table in Postgres?
...o I add multiple columns in one query statement in PostgreSQL using pgadmin3?
2 Answers
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WPF TemplateBinding vs RelativeSource TemplatedParent
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3
Also note that using Binding instead of TemplateBinding can have implications as to what you see during Design Time. In certain configuratio...
How does the extend() function work in jQuery?
...e test:
var a = {foo: 1, bar: 1};
var b = {foo: 2, baz: 2};
var c = {foo: 3};
var r = jQuery.extend(a,b,c);
console.log("A: Foo=" + a.foo + " Bar=" + a.bar + " Baz=" + a.baz);
console.log("B: Foo=" + b.foo + " Bar=" + b.bar + " Baz=" + b.baz);
console.log("C: Foo=" + c.foo + " Bar=" + c.bar + " Baz...
Nodejs send file in response
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Here's an example program that will send myfile.mp3 by streaming it from disk (that is, it doesn't read the whole file into memory before sending the file). The server listens on port 2000.
[Update] As mentioned by @Aftershock in the comments, util.pump is gone and was repl...
Is it possible in SASS to inherit from a class in another file?
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answered Mar 7 '13 at 13:44
agustibragustibr
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SQL, Postgres OIDs, What are they and why are they useful?
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edited Jul 28 at 15:36
jiwopene
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answered Apr 11 '11 at 20:...
Downloading all maven dependencies to a directory NOT in repository?
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edited Jan 30 '19 at 12:31
ax.
51.8k77 gold badges7171 silver badges6464 bronze badges
an...
Git alias with positional parameters
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371
The most obvious way is to use a shell function:
[alias]
files = "!f() { git diff --name-...
CodeIgniter removing index.php from url
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31 Answers
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