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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
A co-worker claimed recently in a code review that the [[ ]] construct is to be preferred over [ ] in constructs like
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How to disable zoom on Ctrl+scroll in Visual Studio 2010?
Visual Studio 2010 adds a zoom setting on the bottom left of the text editor (to the left of the horizontal scroll bar) and also adopts the Ctrl +mouse scroll idiom for zooming in and out.
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How to get only the last part of a path in Python?
...swered Oct 13 '10 at 15:08
Fred FooFred Foo
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How to Parse Command Line Arguments in C++? [duplicate]
What is the best way of parsing command-line arguments in C++ if the program is specified
to be run like this:
10 Answers
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Unable to execute dex: method ID not in [0, 0xffff]: 65536
... have seen various versions of the dex erros before, but this one is new. clean/restart etc won't help. Library projects seems intact and dependency seems to be linked correctly.
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How can I tell if my server is serving GZipped content?
I have a webapp on a NGinx server. I set gzip on in the conf file and now I'm trying to see if it works. YSlow says it's not, but 5 out of 6 websites that do the test say it is. How can I get a definite answer on this and why is there a difference in the results?
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In Vim, is there a way to paste text in the search line?
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Or create the command in a vim buffer , e.g. type it in the buffer:
s/foo/bar/gci
And copy it to a named register, with "ayy (if the cursor is on that line!).
Now you can execute the contents of the "a" register from Vim's Ex command line with:
:[OPTIONAL_RANGE]@a
I use it all the time.
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MySQL - Make an existing Field Unique
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CREATE UNIQUE INDEX foo ON table_name (field_name)
You have to remove duplicate values on that column before executes that sql.
Any existing duplicate value on that column will lead you to mysql error 1062
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Php multiple delimiters in explode
...be escaped to work (such as /, ?). For example: preg_split("/(\/|\?|=)/", $foo);.
– kenorb
Apr 24 '15 at 19:11
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Does SQLAlchemy have an equivalent of Django's get_or_create?
I want to get an object from the database if it already exists (based on provided parameters) or create it if it does not.
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