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List of Java processes
How can I list all Java processes in bash?
I need an command line. I know there is command ps but I don't know what parameters I need to use.
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What is the difference between a directory and a folder?
Most people use the terms "folder" and "directory" interchangeably. From a programmer point of view, is there a difference, and if so, what is it? Does it depend on the OS, or is there a broad, general consensus? This at least suggests that there is a difference.
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Run ssh and immediately execute command [duplicate]
I'm trying to find UNIX or bash command to run a command after connecting to an ssh server. For example:
3 Answers
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How to retrieve the dimensions of a view?
I have a view made up of TableLayout, TableRow and TextView . I want it to look like a grid. I need to get the height and width of this grid. The methods getHeight() and getWidth() always return 0. This happens when I format the grid dynamically and also when I use an XML version.
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Android YouTube app Play Video Intent
I have created a app where you can download YouTube videos for android. Now, I want it so that if you play a video in the YouTube native app you can download it too. To do this, I need to know the Intent that the YouTube native app puts out in order to play the YouTube app.
I could do this easiall...
Swapping two variable value without using third variable
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*x ^= *y;
}
}
Why the test?
The test is to ensure that x and y have different memory locations (rather than different values). This is because (p xor p) = 0 and if both x and y share the same memory location, when one is set to 0, both are set to 0.
When both *x and *y are 0, all o...
Decompile .smali files on an APK [duplicate]
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No, APK Manager decompiles the .dex file into .smali and binary .xml to human readable xml.
The sequence (based on APK Manager 4.9) is 22 to select the package, and then 9 to decompile it. If you press 1 instead of 9, then you will just unpack it (useful only if you want to e...
Efficiently test if a port is open on Linux?
...mp;6
I'm using 6 as the file descriptor because 0,1,2 are stdin, stdout, and stderr. 5 is sometimes used by Bash for child processes, so 3,4,6,7,8, and 9 should be safe.
As per the comment below, to test for listening on a local server in a script:
exec 6<>/dev/tcp/127.0.0.1/445 || echo "N...
Benchmarking small code samples in C#, can this implementation be improved?
...iseconds;
}
Make sure you compile in Release with optimizations enabled, and run the tests outside of Visual Studio. This last part is important because the JIT stints its optimizations with a debugger attached, even in Release mode.
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javac option to compile all java files under a given directory recursively
...gest using some kind of build tool (Ant or Maven, Ant is already suggested and is easier to start with) or an IDE that handles the compilation (Eclipse uses incremental compilation with reconciling strategy, and you don't even have to care to press any "Compile" buttons).
Using Javac
If you need to ...