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Parse a .py file, read the AST, modify it, then write back the modified source code
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With regard to unparse.py script - it may be really cumbersome to use it from another script. But, there is a package called astunparse (on github, on pypi) which is basically a properly packaged version of unparse.py.
– mbdevpl
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Best way to allow plugins for a PHP application
...s what you might include with a require_once() call at the top of your PHP script. It loads the classes to make something pluggable.
In Part 2, that's where we load a class. Note I didn't have to do anything special to the class, which is significantly different than the Observer pattern.
In Part ...
How do I get the real .height() of a overflow: hidden or overflow: scroll div?
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pure javascript: document.getElementById('your_div').scrollHeight
– stambikk
Mar 13 '15 at 7:28
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How to check if a python module exists without importing it
...ughts for the ones coming after me and looking for the same:
Linux/UNIX script file method: make a file module_help.py:
#!/usr/bin/env python
help('modules')
Then make sure it's executable: chmod u+x module_help.py
And call it with a pipe to grep:
./module_help.py | grep module_name
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Get element inside element by class and ID - JavaScript
Alright, I've dabbled in JavaScript before, but the most useful thing I've written is a CSS style-switcher. So I'm somewhat new to this. Let's say I have HTML code like this:
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Shell command to sum integers, one per line?
... There's a lot of awk love in this room! I like how a simple script like this could be modified to add up a second column of data just by changing the $1 to $2
– Paul Dixon
Jan 16 '09 at 16:02
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jQuery控制图片的hover效果，不能通过css设置img的src属性 - 更多技术 - 清...
...属性。用jQuery控制图片的hover效果可以实现，代码如下：<script type="text javascript"> $(function 貌似不能通过css设置img的src属性。用jQuery控制图片的hover效果可以实现，代码如下：
<script type="text/javascript">
$(function() {
var...
How to fix getImageData() error The canvas has been tainted by cross-origin data?
... my canvas, and then submit the image data back into my server. All in javascript
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How to set or change the default Java (JDK) version on OS X?
... still be used when $JAVA_HOME points to it, or explicitly referenced in a script or configuration. It will simply be ignored by system's java command.
System launcher will use the JDK with highest version among those that have an Info.plist file.
When working in a shell with alternate JDK, pick ...
Set transparent background using ImageMagick and commandline prompt
...e converting to GIF, you're limited to 1-bit
alpha anyhow.)
mktrans shell script
Since it's unlikely you'll want to type this command repeatedly, I
recommend wrapping it in a script. You can download a BASH shell
script from github which
performs my suggested solution. It can be run on multiple fi...