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Run Java Code Online [closed]
codepad.org allow you to run C,C++,D etc code online but not Java... is there a site that I can use for Java?
9 Answers
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How to find out what group a given user has?
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This one shows the user's uid as well as all the groups (with their gids) they belong to
id userid
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How to create loading dialogs in Android?
Those dark spinning progress dialogs in the Amazon and Engadget apps - are those standard in Android?
2 Answers
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How to set JAVA_HOME in Linux for all users
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For all users, I would recommend placing the following line in /etc/profile
export JAVA_HOME=$(readlink -f /usr/bin/javac | sed "s:/bin/javac::")
This will update dynamically and works well with the alternatives system. Do not...
How to loop backwards in python? [duplicate]
... gives
[10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
But for iteration, you should really be using xrange instead. So,
xrange(10, 0, -1)
Note for Python 3 users: There are no separate range and xrange functions in Python 3, there is just range, which follows the design of Python 2's xrange.
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How to check if Receiver is registered in Android?
...ter and set flag
this won't work If you restart the device or if your app got killed by
OS. – amin 6 hours ago
@amin - see lifetime of in code (not system registered by manifest entry) registered receiver :)
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Is there anything like inotify on Windows?
...365261(VS.85).aspx
On OSX, the relevant api is the fsevents api.
They're all subtly different from one another, and they all have questionable reliability in edge cases. In general, you can't depend on these apis for a complete view of all changes 100% of the time. Most people using file system mo...
Loading and parsing a JSON file with multiple JSON objects
... contains JSON per line, you are saved the headaches of trying to parse it all in one go or to figure out a streaming JSON parser. You can now opt to process each line separately before moving on to the next, saving memory in the process. You probably don't want to append each result to one list and...
Is it possible to implement a Python for range loop without an iterator variable?
...ou can just live with the extra i variable.
Here is the option to use the _ variable, which in reality, is just another variable.
for _ in range(n):
do_something()
Note that _ is assigned the last result that returned in an interactive python session:
>>> 1+2
3
>>> _
3
F...
Ruby : How to write a gem? [closed]
...r Ruby and make it available as a gem.
What are the tools, steps and pitfalls ?
Are there any good tutorials, screencasts, etc., which helped you learning how to do it ?
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