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Installing Latest version of git in ubuntu
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The Ubuntu git maintainers team has a PPA just for that
ppa:git-core/ppa
Just do:
sudo add-apt-repository ppa:git-core/ppa
sudo apt-get update
sudo apt-get install git
If add-apt-repository command is not found, install it first with
sudo apt-get install s...
What's the magic of “-” (a dash) in command-line parameters?
Examples:
6 Answers
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What is an unsigned char?
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In C++, there are three distinct character types:
char
signed char
unsigned char
If you are using character types for text, use the unqualified char:
it is the type of character literals like 'a' or '0'.
it is the type that makes up C strings like "abcde"
It als...
Commenting multiple lines in DOS batch file
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You can use a goto to skip over code.
goto comment
...skip this...
:comment
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Meaning of numbers in “col-md-4”,“ col-xs-1”, “col-lg-2” in Bootstrap
I am confused with the grid system in the new Bootstrap, particularly these classes:
5 Answers
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Iteration over std::vector: unsigned vs signed index variable
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Iterating forwards is almost identical. Just change the iterators / swap decrement by increment. You should prefer iterators. Some people tell you to use std::size_t as the index variable type. However, that is not portable. Always use the size_type typedef of the container (While you could get ...
What is a non-capturing group in regular expressions?
How are non-capturing groups, i.e. (?:) , used in regular expressions and what are they good for?
15 Answers
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Transform DateTime into simple Date in Ruby on Rails
I have a datetime column in db that I want to transform into a simple date when I show it to users.
6 Answers
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How to record webcam and audio using webRTC and a server-based Peer connection
...e it to a file on the server. These files would then be able to be served up to other users.
8 Answers
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Why dict.get(key) instead of dict[key]?
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It allows you to provide a default value if the key is missing:
dictionary.get("bogus", default_value)
returns default_value (whatever you choose it to be), whereas
dictionary["bogus"]
would raise a KeyError.
If omitted, default_valu...