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Generate a random point within a circle (uniformly)
... @Tharwen Notice how in a circle there are more points at radius 0.9-1.0 than at radius 0.0-0.1. random()+random() generates radii more likely to be around 1.0 but lie in the range 0.0-2.0. When folded down they're more likely to be around 1.0 and always in the range 0.0-1.0. What's more, it's...
What 'additional configuration' is necessary to reference a .NET 2.0 mixed mode assembly in a .NET 4
...ly, you need to modify your App.Config file to include:
<?xml version="1.0"?><configuration> <startup useLegacyV2RuntimeActivationPolicy="true"> <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/> </startup></configuration>
The key is the us...
站长投放广告绝对不做的事:Google Adsense和百度联盟广告违规分析 - 更多技...
...的规定：
1.禁止在违规的投放距离内进行投放：
1.1禁止在距离普通链接10像素范围内进行业务投放；
1.2禁止在距离特殊内容20像素范围内进行业务投放（特殊内容包括但不限于翻页按钮、导航链接、视频播放窗口、...
Eclipse RCP Plug-in开发自学教程（Eclipse3.6） - 文档下载 - 清泛网 - ...
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1.1 概述 ..............................................................................................................................................9
1.2 ECLIPSE RCP 建设风格——插件，扩展和扩展点 ..........
Install a Python package into a different directory using pip?
...em-provided versions.
A full example:
PYTHONUSERBASE=/opt/mysterypackage-1.0/python-deps pip install --user --upgrade numpy scipy
..to install the scipy and numpy package most recent versions into a directory which you can then include in your PYTHONPATH like so (using bash and for python 2.6 on...
Android: Scale a Drawable or background image?
...e background image scaling create a resource like this:
<?xml version="1.0" encoding="utf-8"?>
<bitmap xmlns:android="http://schemas.android.com/apk/res/android"
android:gravity="center"
android:src="@drawable/list_bkgnd" />
Then it will be centered in the view if used as back...
Django dump data for a single model?
...
As of version 1.1 and greater, the Django dumpdata management command allows you to dump data from individual tables:
./manage.py dumpdata myapp1 myapp2.my_model
You can also separate multiple apps and models on the command line. Here's...
Python's json module, converts int dictionary keys to strings
...given language, are strings (or "scalars" in Perl). In perl $foo{1}, $foo{1.0}, and $foo{"1"} are all references to the same mapping in %foo --- the key is evaluated as a scalar!
JSON started as a Javascript serialization technology. (JSON stands for JavaScript Object Notation.) Naturally it impl...
What to use as an initial version? [closed]
I usually start my projects with a version 1.0.0. As soon as I have some stuff together, I release it as 1.0.0 and move on with 1.1.0.
...
Use of the MANIFEST.MF file in Java
...
The content of the Manifest file in a JAR file created with version 1.0 of the Java Development Kit is the following.
Manifest-Version: 1.0
All the entries are as name-value pairs. The name of a header is separated from its value by a colon. The default manifest shows that it conforms to v...