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Get Substring between two characters using javascript
...plit()
var s = 'MyLongString:StringIWant;';
var arrStr = s.split(/[:;]/);
alert(arrStr);
arrStr will contain all the string delimited by : or ;
So access every string through for-loop
for(var i=0; i<arrStr.length; i++)
alert(arrStr[i]);
...
Call ASP.NET function from JavaScript?
I'm writing a web page in ASP.NET. I have some JavaScript code, and I have a submit button with a click event.
20 Answers
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How to extract extension from filename string in Javascript? [duplicate]
...astIndexOf() as opposed to indexOf()
var myString = "this.is.my.file.txt"
alert(myString.substring(myString.lastIndexOf(".")+1))
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Import SQL file into mysql
...their own benefits in the results they display.
In the first approach, the script exits as soon as it encounters an error. And the better part, is that it tells you the exact line number in the source file where the error occurred. However, it ONLY displays errors. If it didn't encounter any errors,...
How do I get both STDOUT and STDERR to go to the terminal and a log file?
I have a script which will be run interactively by non-technical users. The script writes status updates to STDOUT so that the user can be sure that the script is running OK.
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Absolute vs relative URLs
...hould almost always be used when including external resources (images, javascripts etc).
What this type of URL does is use the current scheme of the page it is on. This means that you are on the page http://yourdomain.com and on that page is an image tag <img src="//yourdomain.com/images/example....
How can you profile a Python script?
...('foo()')
Even more usefully, you can invoke the cProfile when running a script:
python -m cProfile myscript.py
To make it even easier, I made a little batch file called 'profile.bat':
python -m cProfile %1
So all I have to do is run:
profile euler048.py
And I get this:
1007 function cal...
Use dynamic (variable) string as regex pattern in JavaScript
...this is #abc# some #abc# stuff.";
var output = input.replace(regex, "!!");
alert(output); // Hello this is !! some !! stuff.
JSFiddle demo here.
In the general case, escape the string before using as regex:
Not every string is a valid regex, though: there are some speciall characters, like ( or [....
Linux command or script counting duplicated lines in a text file?
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Here is a simple python script using the Counter type. The benefit is that this does not require sorting the file, essentially using zero memory:
import collections
import fileinput
import json
print(json.dumps(collections.Counter(map(str.strip, fi...
/bin/sh: pushd: not found
...y usable.) pushd is a shell builtin, just like cd.
So, either change your script to start with #!/bin/bash or store the current working directory in a variable, do your work, then change back. Depends if you want a shell script that works on very reduced systems (say, a Debian build server) or if y...