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Meaning of “[: too many arguments” error from if [] (square brackets)
... resource spelling out the meaning of and fix for the following BASH shell error, so I'm posting what I found after researching it.
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MySQL Error 1215: Cannot add foreign key constraint
...new schema onto my db server, but I can't figure out why I am getting this error. I've tried to search for the answer here, but everything I've found has said to either set the db engine to Innodb or to make sure the keys I'm trying to use as a foreign key are primary keys in their own tables. I h...
Error: free(): invalid next size (fast):
What is this strange error I'm getting? I'm compiling C++ using g++ on Ubuntu 10.10. It pops up randomly when I run the executable (maybe 2 times in 8 hours, with 10 compiles an hour). However, if I make clean and recompile it goes away most of the time.
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What are the differences between poll and select?
...h sockets and file descriptors you want to watch for reading, writing, and errors, and then the operating system marks which ones in fact have had some kind of activity; poll() has you create a list of descriptor IDs, and the operating system marks each of them with the kind of event that occurred.
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How are software license keys generated?
...at will appear to work but fail on a future version due to a typographical error.
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How do I solve the INSTALL_FAILED_DEXOPT error?
...would like to create a new build for a Samsung tablet. I got the following error:
44 Answers
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XAMPP, Apache - Error: Apache shutdown unexpectedly
...start my Apache server in the XAMPP Control Panel, I now get the following errors:
50 Answers
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Node.js: what is ENOSPC error and how to solve?
... When starting file upload to the server, Node.js process crashed and show error:
16 Answers
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Split string with multiple delimiters in Python [duplicate]
...\n',a)
['Beautiful', 'is', 'better', 'than', 'ugly']
>>> b='1999-05-03 10:37:00'
>>> re.split('- :', b)
['1999-05-03 10:37:00']
By putting the delimiters in square brackets it seems to work more effectively.
>>> re.split('[- :]', b)
['1999', '05', '03', '10', '37', '00...
How to go to an error using only the keyboard in Eclipse?
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Windows and Linux
Go to the next error: Ctrl + .
Go to the previous error: Ctrl + ,
Show quick fixes: Ctrl + 1
Mac
Go to the next error: Cmd + .
Go to the previous error: Cmd + ,
Show quick fixes: Cmd + 1
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