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Check if string contains only digits
...g.prototype.isNumber = function(){return /^\d+$/.test(this);}
console.log("123123".isNumber()); // outputs true
console.log("+12".isNumber()); // outputs false
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Getters \ setters for dummies
...ser = { /* ... object with getters and setters ... */ };
user.phone = '+1 (123) 456-7890'; // updates a database
console.log( user.areaCode ); // displays '123'
console.log( user.area ); // displays 'Anytown, USA'
This is useful for automatically doing things behind-the-scenes when a property is a...
What is the difference between a strongly typed language and a statically typed language?
...at's static typing.
In PHP:
$s = "abcd"; // $s is a string
$s = 123; // $s is now an integer
$s = array(1, 2, 3); // $s is now an array
$s = new DOMDocument; // $s is an instance of the DOMDocument class
That's dynamic typing.
Strong/Weak Typing
(Edit alert!)
Strong typi...
The remote end hung up unexpectedly while git cloning
...Sep 2015 12:00:00 GMT
* issuer: C=US,O=DigiCert Inc,OU=www.digicert.com,CN=DigiCert High Assurance EV CA-1
* compression: NULL
* cipher: ARCFOUR-128
* MAC: SHA1
> GET /django/django.git/info/refs?service=git-upload-pack HTTP/1.1
User-Agent: git/1.8.4
Host: github.com
Accept: */*
Accep...
How to get the text node of an element?
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var text = $(".title").contents().filter(function() {
return this.nodeType == Node.TEXT_NODE;
}).text();
This gets the contents of the selected element, and applies a filter function to it. The filter function returns only text nodes (i.e. those nodes with nodeT...
Check if a Python list item contains a string inside another string
...resence of abc in any string in the list, you could try
some_list = ['abc-123', 'def-456', 'ghi-789', 'abc-456']
if any("abc" in s for s in some_list):
# whatever
If you really want to get all the items containing abc, use
matching = [s for s in some_list if "abc" in s]
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AngularJS access scope from outside js function
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@dk123 angular.element("#scope") is not working, though angular.element($("#scope")) is working, you need to have jquery also
– Arun P Johny
Mar 15 '13 at 5:11
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What is the advantage of using Restangular over ngResource?
...g about them.
Suppose that you have something like this for cars : /users/123/cars/456
In $resource, You'd have to construct that URL manually and you'd also have to construct the $resource object for this manually. Restangular helps you in this by "remembering" the URLs.
So if you do in some pla...
round up to 2 decimal places in java? [duplicate]
...ne works...
double roundOff = Math.round(a * 100.0) / 100.0;
Output is
123.14
Or as @Rufein said
double roundOff = (double) Math.round(a * 100) / 100;
this will do it for you as well.
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How to get “wc -l” to print just the number of lines without file name?
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In AIX,ksh, this will always have a space preceeding the number. We have to use | awk '{print $1}' or a cut, to trim off the spaces. Another way to trim would be to enclose with an echo.
– rao
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