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Purpose of #!/usr/bin/python3
...ter is located in /usr/bin/python3. A shebang line could also be a bash, ruby, perl or any other scripting languages' interpreter, for example: #!/bin/bash.
Without the shebang line, the operating system does not know it's a python script, even if you set the execution flag on the script and run i...
Which version of Perl should I use on Windows? [closed]
...ut of the box, but note that as of 5.10 ActivePerl no longer ships with Tk by default. It ships with Tkx instead.
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How to enumerate an object's properties in Python?
...mplement a setter __setattr__(). Setting values directly on the dictionary bypasses the object's setter (and/or its parents'). It's quite common in python that more things than meet the eye are happening in the background during attribute setting (e.g. sanitation), using setattr() ensures that you d...
How to draw rounded rectangle in Android UI?
...dark" />
<corners android:radius="32dp" />
</shape>
By changing the android:radius you can change the amount of "radius" of the corners.
<solid> is used to define the color of the drawable.
You can use replace android:radius with android:bottomLeftRadius, android:botto...
SVN command to delete all locally missing files
...
If you are using TortoiseSVN, just do a Check for Modifications, sort by the Status column, select all the entries marked missing, right-click to open the context menu, and select Delete. Finally, commit to publish the changes to the repository.
If you are on Windows, but prefer the command-li...
python: Change the scripts working directory to the script's own directory
...
You can get a shorter version by using sys.path[0].
os.chdir(sys.path[0])
From http://docs.python.org/library/sys.html#sys.path
As initialized upon program startup, the first item of this list,
path[0], is the directory containing the script that...
What static analysis tools are available for C#? [closed]
...
Code violation detection Tools:
Fxcop, excellent tool by Microsoft. Check compliance with .net framework guidelines.
Edit October 2010: No longer available as a standalone download. It is now included in the Windows SDK and after installation can be found in Program Files\Micros...
How do I remove/delete a folder that is not empty?
...hutil.rmtree('/folder_name')
Standard Library Reference: shutil.rmtree.
By design, rmtree fails on folder trees containing read-only files. If you want the folder to be deleted regardless of whether it contains read-only files, then use
shutil.rmtree('/folder_name', ignore_errors=True)
...
Git pull a certain branch from GitHub
...mp;& git merge other-branch
That is, a pull is just a fetch followed by a merge. However, when pull-ing, Git will only merge other-branch if it can perform a fast-forward merge. A fast-forward merge is a merge in which the head of the branch you are trying to merge into is a direct descendent ...
Is there something like Annotation Inheritance in java?
...ining a @Qualifier annotation (or an annotation annotated with @Qualifier) by this loop:
for (Annotation a : method.getAnnotations()) {
if (a.annotationType().isAnnotationPresent(Qualifier.class)) {
System.out.println("found @Qualifier annotation");//found annotation having Qualifier an...