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Regular expression to match standard 10 digit phone number
...^(\+\d{1,2}\s)?\(?\d{3}\)?[\s.-]\d{3}[\s.-]\d{4}$
Matches the following
123-456-7890
(123) 456-7890
123 456 7890
123.456.7890
+91 (123) 456-7890
If you do not want a match on non-US numbers use
^(\+0?1\s)?\(?\d{3}\)?[\s.-]\d{3}[\s.-]\d{4}$
Update :
As noticed by user Simon Weaver below, if y...
Decorators with parameters?
...rguments is a bit different - the decorator with arguments should return a function that will take a function and return another function. So it should really return a normal decorator. A bit confusing, right? What I mean is:
def decorator_factory(argument):
def decorator(function):
def...
What is lexical scope?
...
First, lexical scope (also called static scope), in C-like syntax:
void fun()
{
int x = 5;
void fun2()
{
printf("%d", x);
}
}
Every inner level can access its outer levels.
There is another way, called dynamic scope used by the first implementation of Lisp, again in a ...
What's the $unwind operator in MongoDB?
...e" ,
author : "bob" ,
posted : new Date () ,
pageViews : 5 ,
tags : [ "fun" , "good" , "fun" ] ,
comments : [
{ author :"joe" , text : "this is cool" } ,
{ author :"sam" , text : "this is bad" }
],
other : { foo : 5 }
}
Notice how tags is actually an array of 3 ite...
SQLite Concurrent Access
...nce to the contrary. In fact, with modern disks and processors, 95% of web sites and web services would work just fine with SQLite.
If you want really fast read/write access, use an in-memory SQLite database. RAM is several orders of magnitude faster than disk.
...
How can I change the language (to english) in Oracle SQL Developer?
... this option will be:
oracle.translated.locales = de,es,it,ja,ko,pt_BR,zh_CN,zh_TW
The original value was:
oracle.translated.locales = de,fr,es,it,ja,ko,pt_BR,zh_CN,zh_TW
The configuration above (sqldeveloper.conf file) will be wrong after remove french support and the french language does not...
How to install Java SDK on CentOS?
...llation of latest Java version 8:
Download java rpm package from Oracle site. (jdk-8-linux-x64.rpm)
Install from the rpm. (rpm -Uvh jdk-8-linux-x64.rpm)
Open /etc/profile, and set the java paths, save it.
Check the java installation path, and java version, with the commands: which java, java -ver...
How can I make Bootstrap columns all the same height?
...
I included the correct CSS (from the .vn site) but it messes everything up. it's based on flex
– ekkis
Oct 5 '16 at 23:30
...
How to find the extension of a file in C#?
...
For a video upload site, he should have something better on the client-side then an HTML upload form. Multi-MB uploads without a progress bar are no fun.
– Thilo
Dec 11 '09 at 9:50
...
Is it possible to have SSL certificate for IP address, not domain name?
I want my site to use URLs like http://192.0.2.2/... and https://192.0.2.2/... for static content to avoid unnecessary cookies in request AND avoid additional DNS request.
...