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Add a new element to an array without specifying the index in Bash
... all remaining elems. starting at the following elem.: - If start >= 0: from the elem. whose index is >= start. - If start < 0: from the elem. whose index is (last array index + 1) - abs(start); CAVEAT: if abs(start) > (last array index + 1), a null string is returned. If count is specif...
How to return multiple objects from a Java method?
I want to return two objects from a Java method and was wondering what could be a good way of doing so?
25 Answers
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How do I get the path of a process in Unix / Linux
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This is awesome. I knew I ran it from a location which had the symbolic link to the original executable (one of the many versions). pwdx <PID> gave me the location of the symbolic link so I could find the logs and stop the process in proper way.
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How should I read a file line-by-line in Python?
...y.
In such an implementation, you might get a "too many files open" error from the OS if your code opens files faster than the garbage collector calls finalizers on orphaned file handles. The usual workaround is to trigger the GC immediately, but this is a nasty hack and it has to be done by every...
What do REFRESH and MERGE mean in terms of databases?
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REFRESH means "pull any state changes from the database into my representation". Cascading this is simple; it means that all associated entities are refreshed.
MERGE means something complex that approximates "save" but is more like "push this detached entity ba...
Show and hide a View with a slide up/down animation
... facing same issue what Ram was facing, at first time it works fine but from next time when i make that view in gone state and try to make that view visible again it doesn't appear.
– Pankaj kumar
Aug 8 '16 at 10:35
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How to create a cron job using Bash automatically without the interactive editor?
...ng the editor (crontab -e). If so, What would be the code create a cronjob from a Bash script?
20 Answers
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How to convert byte array to string [duplicate]
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This is wrong. From the code in the question, the encoding is UTF8, the default for BinaryWriter.
– Tom Blodget
Feb 13 '16 at 2:19
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Cleaning up the iPhone simulator
...s.
Manually delete all those files/directories to remove all applications from the simulator.
I know there is some way to add scripts to the build process in XCode.
Also it looks as if XCode changes the GUID it uses each build (the directory where my app sits changes between builds in XCode), so ...
Meaning of Git checkout double dashes
...changed branches instead. The -- separates the tree you want to check out from the files you want to check out.
git checkout -- master
It also helps us if some freako added a file named -f to our repository:
git checkout -f # wrong
git checkout -- -f # right
This is documented in git-c...