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Use dynamic (variable) string as regex pattern in JavaScript
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To create the regex from a string, you have to use JavaScript's RegExp object.
If you also want to match/replace more than one time, then you must add the g (global match) flag. Here's an example:
var stringToGoIntoTheRegex = "abc";
var regex = ...
What is the bit size of long on 64-bit Windows?
...y was one such) and LP64 (for almost everything else). The acronynms come from 'int, long, pointers are 64-bit' and 'long, pointers are 64-bit'.
Type ILP64 LP64 LLP64
char 8 8 8
short 16 16 16
int 64 32 32
long ...
How to easily resize/optimize an image size with iOS?
My application is downloading a set of image files from the network, and saving them to the local iPhone disk. Some of those images are pretty big in size (widths larger than 500 pixels, for instance). Since the iPhone doesn't even have a big enough display to show the image in its original size, I'...
Objective-C: Where to remove observer for NSNotification?
...ly hard to give general advice as to when it's best to remove the observer from the notification center, because that depends:
On your use case (Which notifications are observed? When do they get send?)
The implementation of the observer (When is it ready to receive notifications? When is it no lo...
JavaScript OOP in NodeJS: how?
...thod borrowing" instead of vertical inheritance. You don't need to inherit from a "class" to use its method on your class. For instance:
var method = List.prototype;
function List() {
}
method.add = Array.prototype.push;
...
var a = new List();
a.add(3);
console.log(a[0]) //3;
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Using OpenSSL what does “unable to write 'random state'” mean?
...cate to protect my server's admin section, and I keep getting this message from OpenSSL:
8 Answers
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How do I convert an object to an array?
...ect_vars
$array = get_object_vars($object);
They work slightly different from each other. For example, get_object_vars will return an array with only publicly accessible properties unless it is called from within the scope of the object you're passing (ie in a member function of the object). (ar...
How to generate a random int in C?
...licated. Here's a reason: time() only changes once per second. If you seed from time(), for each call to rand(), then you will get the same value for every call during a single second. But the bigger reason is that the properties of rand() and functions like it are known best for the use case where ...
Injecting $scope into an angular service function()
...ject. Many scope objects can be created (usually prototypically inheriting from a parent scope). The root of all scopes is the $rootScope and you can create a new child-scope using the $new() method of any scope (including the $rootScope).
The purpose of a Scope is to "glue together" the presentat...
Efficient way to remove ALL whitespace from String?
...whitespace (including newlines) and doing this (XML is the string received from the web request):
16 Answers
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