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Remove not alphanumeric characters from string
...put.replace(/\W/g, '')
Note that \W is the equivalent of [^0-9a-zA-Z_] - it includes the underscore character. To also remove underscores use e.g.:
input.replace(/[^0-9a-z]/gi, '')
The input is malformed
Since the test string contains various escaped chars, which are not alphanumeric, it will ...
Relative URL to a different port number in a hyperlink?
Is there a way without Javascript / server-side scripting to link to a different port number on the same box, if I don't know the hostname?
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What are the differences between JSON and JavaScript object? [duplicate]
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First you should know what JSON is:
It is language agnostic data-interchange format.
The syntax of JSON was inspired by the JavaScript Object Literal notation, but there are differences between them.
For example, in JSON all keys must be quoted, while in obj...
ReSharper Abbreviations List: Where can I modify it?
... am using ReSharper 4.5, and what often happens when I am converting explicit properties into auto-properties, is that I will accidentally chose "Add XX to abbreviations list".
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Where does Java's String constant pool live, the heap or the stack?
...constants pool and the String constant pool used by JVMs to handle String literals. But I don't know which type of memory is used by the JVM to store String constant literals. The stack or the heap? Since its a literal which is not associated with any instance I would assume that it will be stored i...
How do I implement a callback in PHP?
How are callbacks written in PHP?
9 Answers
9
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PHP Session Security
What are some guidelines for maintaining responsible session security with PHP? There's information all over the web and it's about time it all landed in one place!
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How do I overload the square-bracket operator in C#?
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you can find how to do it here.
In short it is:
public object this[int i]
{
get { return InnerList[i]; }
set { InnerList[i] = value; }
}
If you only need a getter the syntax in answer below can be used as well (starting from C# 6).
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How to remove EXIF data without recompressing the JPEG?
...amera info... everything!) from JPEG files, but I don't want to recompress it, as recompressing the JPEG will degrade the quality, as well as usually increasing the file size.
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Best Practice: Access form elements by HTML id or name attribute?
...lining JS into your HTML is rather inelegant (and often inefficient, since it creates a wrapper function around the code), the fact that you always return false means your form will never submit. So unless either the form isn't meant to be submitted (perhaps it's used entirely by JS code), or unles...