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Force point (“.”) as decimal separator in java
...ing.format which lets you specify the locale:
return String.format(Locale.ROOT, "%.2f", someDouble);
If you're only formatting a number - as you are here - then using NumberFormat would probably be more appropriate. But if you need the rest of the formatting capabilities of String.format, this sh...
Understanding checked vs unchecked exceptions in Java
... inside it. But, and a big one - Never ever obscure in underlying original root cause. For ex, Don't ever do following -
try {
attemptLogin(userCredentials);
} catch (SQLException sqle) {
throw new LoginFailureException("Cannot login!!"); //<-- Eat away original root cause, thus obscu...
How to retrieve a single file from a specific revision in Git?
...is indeed
git show object
git show $REV:$FILE
git show somebranch:from/the/root/myfile.txt
git show HEAD^^^:test/test.py
The command takes the usual style of revision, meaning you can use any of the following:
branch name (as suggested by ash)
HEAD + x number of ^ characters
The SHA1 hash of a giv...
Heroku push rejected, no Cedar-supported app detected
...to this error message, but my problem was that my rails app was not in the root directory of my git repo. After I moved the files into the root dir, everything worked.
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What does this mean: Failure [INSTALL_FAILED_CONTAINER_ERROR]?
...c/smdl2tmp1.asec
Edit/Update by Mathias Conradt (OP):
If you don't have root access, you need to mount the sdcard and remove it via pc:
/.android_secure/smdl2tmp1.asec
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XPath OR operator for different nodes
...XML tree. "//book|//cd" means among all child nodes and descendant of the root node find all ones named 'book' then find also all named 'cd'. If in the descendance of the root node there are only book nodes,your node-set will contain book nodes only. If in the descendance of the root node there a...
深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...字、标点、图形符号、数字等。这个集合叫做字符集；
如何进行存储。规定字符集中的每个字符分别用一个字节还是多个字节存储，用哪些字节来存储，这个规定叫做编码。
charset ，字符集，也就是某个符号和某个数字映...
App Inventor 2 Ai2 Starter模拟器下载及安装，安卓15新版模拟器 · App Inventor 2 中文网
...动手升级的，或者想要学习了解升级原理的，请查看《谈如何升级aiStarter内置AI伴侣的方式及原理》。
Ai2 Starter使用步骤
连接模拟器
连接中
参考测试结果
...
MFC OnEraseBkgnd浅析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...完成之前，windows已把视频卡的缓存输出到屏幕上了。
如何擦除之前的背景图片？
我明白问题所在了，你的问题是当窗口大小变化时，原来的背景没有被清除，造成图片重叠显示，你上面的代码没有问题，写在OnEraseBkgnd()中还...
Make $JAVA_HOME easily changable in Ubuntu [closed]
...e input at the bottom of the file. Since Ubuntu does not
give access to root folder, we will have to use a few commands in the terminal
Step1: Start Terminal. Type in command: gksudo gedit /etc/profile
Step2: The profile text file will open. Enter the environment variables at the bottom of the ...