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From 'man bash': Words of the form $'string' are treated specially. The word expands to string, with backslash-escaped characters replaced as specified by the ANSI C standard. Backslash escape sequences, if present, are ...
Why should the “PIMPL” idiom be used? [duplicate]
...l since all members are private: cat_->Purr(); Purr() is not accessible from the outside because by deafult it's private. What am I missing here?
– binaryguy
Aug 14 '15 at 9:20
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How do I format a Microsoft JSON date?
...ions, and I think this is when an exception applies. The JSON date numbers from .NET never have a leading "0", so we can safely leave out the radix.
– Roy Tinker
Dec 20 '12 at 17:49
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Best way to remove from NSMutableArray while iterating?
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This is awesome. I was trying to remove multiple items from the array and this worked perfectly. Other methods were causing problems :) Thanks man
– AbhinavVinay
Mar 12 '13 at 7:15
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How to truncate a foreign key constrained table?
...able foreign key before truncate is also a good way, i did it with success from source: stackoverflow.com/questions/8641703/…
– Dung
Jun 4 '16 at 3:32
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How can I remove the decimal part from JavaScript number?
I have the results of a division and I wish to discard the decimal portion of the resultant number.
14 Answers
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How to change a command line argument in Bash?
...ded to the two (hence the 2 in the notation) positional arguments starting from offset 1 (i.e. $1). It is a shorthand for "$1" "$2" in this case, but it is much more useful when you want to replace e.g. "${17}".
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Rails params explained?
Could anyone explain params in Rails controller: where they come from, and what they are referencing?
5 Answers
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Favorite Django Tips & Features?
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I'm just going to start with a tip from myself :)
Use os.path.dirname() in settings.py to avoid hardcoded dirnames.
Don't hardcode path's in your settings.py if you want to run your project in different locations. Use the following code in settings.py if you...
CentOS 64 bit bad ELF interpreter
....0-2.fc15.i686 : X.Org X11 SM runtime library
Repo : fedora
Matched from:
Filename : /usr/lib/libSM.so.6
In this example the name of the package is libSM and the name of the 32bit version of the package is libSM.i686.
You can then install the package to grab the requisite library using ...