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How to make an immutable object in Python?
...le creates a type similar to what I described in this answer, i.e. derived from tuple and using __slots__. It is available in Python 2.6 or above.
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C++ Redefinition Header Files (winsock2.h)
How do I prevent from including header files twice? The problem is I'm including the in MyClass.h and then I'm including MyClass.h in many files, so it includes multiple times and redefinition error occurs. How to prevent?
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Show which git tag you are on?
...solution...
This leverages the fact that git-log reports the log starting from what you've checked out. %h prints the abbreviated hash. Then git describe --exact-match --tags finds the tag (lightweight or annotated) that exactly matches that commit.
The $() syntax above assumes you're using bash o...
How can I use xargs to copy files that have spaces and quotes in their names?
... get case-sensitive results.
Note: The -- flag passed to cp prevents it from processing files starting with - as options.
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Remove ActiveRecord in Rails 3
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I'm going by this from reading the source, so let me know if it actually worked. :)
The rails command that generates the application template now has an option -O, which tells it to skip ActiveRecord.
If you don't feel like rerunning rails, ...
How can I repeat a character in Bash?
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If you functionalise this it's best to rearrange it from $s%.0s to %.0s$s otherwise dashes cause a printf error.
– KomodoDave
Jul 30 '14 at 7:35
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Getting realtime output using subprocess
...for the operation. This requires me to be able to see each line of output from the wrapped program as soon as it is output.
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Passing parameters to a Bash function
...ters in a Bash function, but what comes up is always how to pass parameter from the command line.
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Why is this program erroneously rejected by three C++ compilers?
...ce the error. It is entirely possible that your compiler support a mapping from image to basic source character set, but is not required to.
Since this mapping is implementation-defined, you'll need to look at your implementations documentation to see the file formats it supports. Typically, every...
node.js, socket.io with SSL
...should not be needed if you specify 'https' in the url. Here is an excerpt from socket.io client source secure: 'https' == uri.protocol (version 0.9.16), it sets secure option to true if https is detected in the url.
– XiaoChuan Yu
Jul 28 '13 at 22:08
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