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How to set Python's default version to 3.x on OS X?
...es to add as well, i.e.:
alias 2='python2'
alias 3='python3'
Tip: For scripts, instead of using a shebang like:
#!/usr/bin/env python
use:
#!/usr/bin/env python3
This way, the system will use python3 for running python executables.
...
How to obtain the number of CPUs/cores in Linux from the command line?
I have this script, but I do not know how to get the last element in the printout:
27 Answers
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How to include external Python code to use in other files?
...dostuff)
if __name__ == "__main__":
dostuff()
And from the another script or the python console
import teststuff
exec(DOSTUFF_SOURCE)
dostuff()
And now dostuff should be in the local scope and dostuff() will return the console or scripts _name_ whereas executing test.dostuff() will retu...
Changing the image source using jQuery
...nload each time by each user just for a simple trick - but also native JavaScript(!):
<img src="img1_on.jpg"
onclick="this.src=this.src.match(/_on/)?'img1_off.jpg':'img1_on.jpg';">
<img src="img2_on.jpg"
onclick="this.src=this.src.match(/_on/)?'img2_off.jpg':'img2_on.jpg';">
...
Batch Renaming of Files in a Directory
...
Try: http://www.mattweber.org/2007/03/04/python-script-renamepy/
I like to have my music, movie, and
picture files named a certain way.
When I download files from the
internet, they usually don’t follow my
naming convention. I found myself
manually renaming...
Create subdomains on the fly with .htaccess (PHP)
...Host>
3. Work out which subdomain you are on in PHP
Then in your PHP scripts you can find out the domain by looking in the $_SERVER super global variable. Here is an example of grabbing the subdomain in PHP:
preg_match('/([^.]+)\.example\.org/', $_SERVER['SERVER_NAME'], $matches);
if(isset($m...
How do you kill a Thread in Java?
...
And what to do if you run untrusted code as a plugin or script? Java has embedded sandbox for untrusted code. And that sandbox is useless, it it allows to work without forceful stop. Imagine you are writing a browser on java. Ability to kill arbitrary page script is priceless.
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Discuz! X3 论坛标题字数突破80的限制 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... <span id="subjecthide" class="z">RE: $thread[subject] [<a href="javascript：;" onclick="display('subjecthide');display('subjectbox');$('subject').value='RE: {echo dhtmlspecialchars(str_replace('\'', '\\\'', $thread[subject]))}';display('subjectchk');strLenCalc($('subject'), 'checklen', 255);...
JavaScript listener, “keypress” doesn't detect backspace?
...
break;
default:
break;
}
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<input class="inputTxt" type="text" />
<div id="log"></div>
...
How to find encoding of a file via script on Linux?
...
here is an example script using file -I and iconv which works on MacOsX
For your question you need to use mv instead of iconv
#!/bin/bash
# 2016-02-08
# check encoding and convert files
for f in *.java
do
encoding=`file -I $f | cut -f 2 -d";...