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How can I select random files from a directory in bash?
I have a directory with about 2000 files. How can I select a random sample of N files through using either a bash script or a list of piped commands?
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Difference between File.separator and slash in paths
What is the difference between using File.separator and a normal / in a Java Path-String?
14 Answers
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How to create a .gitignore file
I need to add some rules to my .gitignore file. However, I can't find it in my project folder. Isn't it created automatically by Xcode? If not, what command allows me to create one?
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How to Decrease Image Brightness in CSS
...ters
And most importantly, the W3C specs: https://dvcs.w3.org/hg/FXTF/raw-file/tip/filters/index.html
Note this is something that's only very recently coming into CSS as a feature. It is available, but a large number of browsers out there won't support it yet, and those that do support it will req...
Nexus 7 not visible over USB via “adb devices” from Windows 7 x64
...up in MTP mode on that dev system). A little fiddling around with the .inf file along with deleting and reinstalling drivers eventually got it working in MTP mode. I think it was switching the matching device ID from "CompositeAdbInterface" to "SingleAdbInterface" that did the trick, though I couldn...
Are global variables in PHP considered bad practice? If so, why?
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But the error mostly shows in which file/line the script is breaking so.. I don't see the problem here
– samayo
Dec 30 '13 at 17:42
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How to get root access on Android emulator?
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As it suggests, we need to give the emulator permission to write system files.
Type the following code to accomplish this: emulator -avd {emulator_name} -writable-system
If you have more than one AVD, you can get a list of avds by using the command: emulator -list-avds
Note: Navigate to the t...
How do I copy a file in Python?
How do I copy a file in Python?
16 Answers
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How can I view the source code for a function?
...he source version of the Matrix package and save the corresponding .tar.gz file in the current directory. Source code for compiled functions can be found in the src directory of the uncompressed and untared file. The uncompressing and untaring step can be done outside of R, or from within R using th...
Command to collapse all sections of code?
...Studio is there a command to collapse/expand all the sections of code in a file?
20 Answers
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