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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...
JUnit confusion: use 'extends TestCase' or '@Test'?
...ill supported in JUnit 4)
using the @Test annotation is the way introduced by JUnit 4
Generally you should choose the annotation path, unless compatibility with JUnit 3 (and/or a Java version earlier than Java 5) is needed. The new way has several advantages:
The @Test annotaton is more explicit...
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 ...
Call a function after previous function is complete
...n1 and function2 both get executed at exactly the same time (as observable by the human eye). Here's the tiny example: jsfiddle.net/trusktr/M2h6e
– trusktr
Mar 19 '11 at 8:17
...
Downloading an entire S3 bucket?
... how to download a full bucket, you can also download a folder recursively by performing
aws s3 cp s3://BUCKETNAME/PATH/TO/FOLDER LocalFolderName --recursive
This will instruct the CLI to download all files and folder keys recursively within the PATH/TO/FOLDER directory within the BUCKETNAME buck...
Javascript reduce on array of objects
...
A cleaner way to accomplish this is by providing an initial value:
var arr = [{x:1}, {x:2}, {x:4}];
arr.reduce(function (acc, obj) { return acc + obj.x; }, 0); // 7
console.log(arr);
The first time the anonymous function is called, it gets called ...
Profiling Django
...e access optimization from the documentation.
And Django performance tips by
Jacob Kaplan-Moss.
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