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In Python, what is the difference between “.append()” and “+= []”?
...d will add one item to the list, while += will copy all elements of right-hand-side list into the left-hand-side list.
Update: perf analysis
Comparing bytecodes we can assume that append version wastes cycles in LOAD_ATTR + CALL_FUNCTION, and += version -- in BUILD_LIST. Apparently BUILD_LIST outw...
How do I 'git diff' on a certain directory?
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Provide a path (myfolder in this case) and just run:
git diff myfolder/
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Ruby: require vs require_relative - best practice to workaround running in both Ruby =1.
What is the best practice if I want to require a relative file in Ruby and I want it to work in both 1.8.x and >=1.9.2?
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CSV API for Java [closed]
...ill allow me to use read a CSV input file, do some simple transformations, and then write it.
10 Answers
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Automatic prune with Git fetch or pull
If someone deleted a remote branch because the work is over and I don't know, I won't do a git fetch --prune and eventually I will push back the deleted branch.
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How can I compare two lists in python and return matches
I want to take two lists and find the values that appear in both.
19 Answers
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Maven Could not resolve dependencies, artifacts could not be resolved
...project from my friend. He demonstrated the project right in front of me, and then I copied the project, imported it as an existing maven project (I'm using m2eclipse plugin).
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How do I output coloured text to a Linux terminal?
..., ASCII 27. It is followed by [, then zero or more numbers separated by ;, and finally the letter m. The numbers describe the colour and format to switch to from that point onwards.
The codes for foreground and background colours are:
foreground background
black 30 40
red ...
How can I beautify JavaScript code using Command Line?
...t in order to beautify JavaScript code. It needs to work on both Windows and Linux .
10 Answers
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jQuery: serialize() form and other parameters
...t possible to send form elements (serialized with .serialize() method) and other parameters with a single AJAX request?
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