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Can a shell script set environment variables of the calling shell? [duplicate]
..., when run, will set some environment variables that will stay set in the caller's shell.
21 Answers
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Selectively revert or checkout changes to a file in Git?
Is there a command that allows you to partially undo the changes to a file (or files) in the working directory?
4 Answers
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Activity restart on rotation Android
...e (slide out the keyboard) then my Activity is restarted ( onCreate is called). Now, this is probably how it's supposed to be, but I do a lot of initial setting up in the onCreate method, so I need either:
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How do you push a Git tag to a branch using a refspec?
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How does this actually solve the original poster's problem about overwriting a branch with a tag by force-pushing it? This just pushes all of your tags to a remote, it won't overwrite any branches.
– user456814
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R and version control for the solo data analyst
... to do this- but has rewinding any file under your current backup system really been a painless, feasible option?
Sometimes the report just looked better 45 minutes, an hour or two days ago.
Collaboration: Most of the time I am
analysing data myself, thus, I
wouldn't get the collaboratio...
How can I shuffle the lines of a text file on the Unix command line or in a shell script?
... well, you get the picture. It has been pointed out that sort -R doesn't really shuffle but instead sort items according to their hash value.
[Editor's note: sort -R almost shuffles, except that duplicate lines / sort keys always end up next to each other. In other words: only with unique input lin...
Image library for Python 3
...actively being developed as for Oct 2014, has a nice doc, you may pip3 install Image (I was using pillow without knowing), and you from PIL import Image. It also supports all the major platforms now. When looking for a PIL for python3, this is definitely the choice.
– Yosh
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Android - Set fragment id
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You can't set a fragment's ID programmatically.
There is however, a String tag that you can set inside the FragmentTransaction which can be used to uniquely identify a Fragment.
As Aleksey pointed out, you can pass an ID to FragmentTransaction's add(int, Fragment) ...
What is the difference between a dialog being dismissed or canceled in Android?
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Typically, a dialog is dismissed when its job is finished and it is being removed from the screen. A dialog is canceled when the user wants to escape the dialog and presses the Back button.
For example, you have a standard Yes...
Using lambda expressions for event handlers
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Really? Interesting - so, if I register two anonymous functions that look the same (w.l.o.g. have an empty body), and then I unregister (using -=) another anonymous function that too has an empty body, it is essentially undefin...