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Extracting .jar file with command line

...the program from inside the folder. EDIT: Here's another article, specifically focussed on extracting JARs: http://docs.oracle.com/javase/tutorial/deployment/jar/unpack.html share | improve this an...
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Merge Images Side by Side(Horizontally)

...hips with the montage utility. Montage will append each image side-by-side allowing you to adjust spacing between each image (-geometry), and the general layout (-tile). montage [0-5].png -tile 5x1 -geometry +0+0 out.png Other examples can be found on Montage Usage page ...
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Get difference between two lists

...hat this only returns the temp1-temp2? .. As other said in order to return all the differences you have to use the sysmetric difference: list(set(temp1) ^ set(temp2)) – rkachach Feb 16 '16 at 16:00 ...
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Understanding Apache's access log

...the client IP) %l is the identity of the user determined by identd (not usually used since not reliable) %u is the user name determined by HTTP authentication %t is the time the request was received. %r is the request line from the client. ("GET / HTTP/1.0") %>s is the status code sent from the s...
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What does = +_ mean in JavaScript

I was wondering what the = +_ operator means in JavaScript. It looks like it does assignments. 12 Answers ...
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Get the data received in a Flask request

.... In most common cases request.data will be empty because it's used as a fallback: request.data Contains the incoming request data as string in case it came with a mimetype Flask does not handle. request.args: the key/value pairs in the URL query string request.form: the key/value pairs in t...
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Difference between “git checkout ” and “git checkout -​- ”

...his is not Git-specific, it's a general Unix command line convention. Normally you use it to clarify that an argument is a file name rather than an option, e.g. rm -f # does nothing rm -- -f # deletes a file named "-f" git checkout1 also takes -- to mean that subsequent arguments are not ...
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Code for Greatest Common Divisor in Python [closed]

... the result will have the same sign as b", hence gcd(1, -1) == -1 seems totally legit to me. – Marco Bonelli Jan 11 '15 at 2:30 ...
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How to get a reference to a module inside the module itself?

... import sys current_module = sys.modules[__name__] share | improve this answer | follow | ...
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How to set default values in Rails?

... "Correct" is a dangerous word in Ruby. There's usually more than one way to do anything. If you know you'll always want that default value for that column on that table, setting them in a DB migration file is the easiest way: class SetDefault < ActiveRecord::Migration ...