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What is the need of JSF, when UI can be achieved with JavaScript libraries such as jQuery and Angula
... (jQuery + jQuery UI based) as an example, browse through its showcase to see complete code examples. BootsFaces (jQuery + Bootstrap UI based) has also a showcase with complete code examples. If you study those examples closely, then you'll see that you basically need a simple Javabean class as mode...
How can I debug git/git-shell related problems?
...tarting with / to trace output to the specified file.
For more details, see: Git Internals - Environment Variables
SSH
For SSH issues, try the following commands:
echo 'ssh -vvv "$*"' > ssh && chmod +x ssh
GIT_SSH="$PWD/ssh" git pull origin master
or use ssh to validate your cred...
On localhost, how do I pick a free port number?
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See stackoverflow.com/a/2838309/3538289 for an example of sock.bind(('',0))
– cevaris
Nov 9 '15 at 3:12
12...
simple HTTP server in Java using only Java SE API
...e that the response.length() part in their example is bad, it should have been response.getBytes().length. Even then, the getBytes() method must explicitly specify the charset which you then specify in the response header. Alas, albeit misguiding to starters, it's after all just a basic kickoff exam...
console.writeline and System.out.println
What exactly is the technical difference between console.writeline and System.out.println ?
I know that System.out.println writes to standard output but is this not the same thing as the console?
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App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
...。如果成功，则文本在参数 Message 下可用。否则，Message 包含一个空字符串。
发布消息
发布消息有三种方法。
默认发布方式Topic: 消息主题。Message: 消息字符串。RetainFlag: 消息是否为保留消息。QoS: 发布消息的...
How to explore web-based Google Play in another country?
... answer. Here it is: Add the parameter gl=(countrycode).
For example, to see the list of top free business applications in your country, use this:
https://play.google.com/store/apps/category/BUSINESS/collection/topselling_free
Adding gl=ru gives you the list for Russia:
https://play.google.com/s...
Why is Spring's ApplicationContext.getBean considered bad?
...u can call applicationContext.getBean("myApplication") but you should not need to call getBean() anywhere else!
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How to get default gateway in Mac OSX
I need to retrieve the default gateway on a Mac machine. I know that in Linux route -n will give an output from which I can easily retrieve this information. However this is not working in Mac OSX(Snow Leopard).
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Rollback a Git merge
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Reverting a merge commit has been exhaustively covered in other questions. When you do a fast-forward merge, the second one you describe, you can use git reset to get back to the previous state:
git reset --hard <commit_before_merge>
You can find...