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Pick a random value from an enum?
If I have an enum like this:
14 Answers
14
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Change app language programmatically in Android
...time you enter activity (each activity) from my experience. here is a code if you still need this (again, I don't recommend that)
Resources res = context.getResources();
// Change locale settings in the app.
DisplayMetrics dm = res.getDisplayMetrics();
android.content.res.Configuration conf = res.ge...
Move window between tmux clients
I'm just learning tmux and I have no experience with screen. I'm wondering if I can move a window in one tmux client to another tmux client. I want to move my IRC client to a new window on my screen.
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How to erase the file contents of text file in Python?
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In python:
open('file.txt', 'w').close()
Or alternatively, if you have already an opened file:
f = open('file.txt', 'r+')
f.truncate(0) # need '0' when using r+
In C++, you could use something similar.
sha...
Get a list of URLs from a site [closed]
...: ::::::: An error occured There was an error while accessing the URL specified: 159.121.ssss Please make sure to specify the correct website URL and resubmit your request.
– JustJohn
Jul 26 '16 at 21:29
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Error: Could not find or load main class [duplicate]
...nsure that you add the location of your .class file to your classpath. So, if its in the current folder, add . to your classpath.
Note that the Windows classpath separator is a semi-colon, i.e. a ;.
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Bash script to calculate time elapsed
...e to this solution is that it only measures whole seconds, i.e. not usable if you need sub-second precision.
– Czechnology
Oct 27 '17 at 16:01
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Utility classes are evil? [closed]
... should represent a single thing and all of its attributes and operations. If you are operating on a thing, that method should probably be a member of that thing.
However, there are times when you can use utility classes to group a number of methods together — an example being the java.util.Colle...
Open and write data to text file using Bash?
... the operator > redirects output to a file overwriting the file if one exists. The >> will append to an existing file.
– Rocky Pulley
May 17 '15 at 3:12
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Get current directory name (without full path) in a Bash script
... # ...useful to make hidden characters readable.
Note that if you're applying this technique in other circumstances (not PWD, but some other variable holding a directory name), you might need to trim any trailing slashes. The below uses bash's extglob support to work even with multip...