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Instance variables vs. class variables in Python
...(a little bit) faster (one less level of "lookup" due to the "inheritance" from class to instance), and there are no downsides to weigh against this small advantage.
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Downloading all maven dependencies to a directory NOT in repository?
... with all the dependencies, including transitive.
Adding Gustavo's answer from below: To download the dependency sources, you can use
mvn dependency:copy-dependencies -Dclassifier=sources
(via Apache Maven Dependency Plugin doc).
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Draw line in UIView
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The "if let context" fails when called from viewDidLayoutSubviews.
– Oscar
Mar 1 at 7:11
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Given an RGB value, how do I create a tint (or shade)?
...nction is roughly equivalent to raising each sRGB color component (ranging from 0 through 1) to a power of 2.2. (Note that "linear RGB" is not an RGB color space.)
See also Violet Giraffe's comment about "gamma correction".
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What is __future__ in Python used for and how/when to use it, and how it works
...introducing new keywords.
E.g., for using context managers, you had to do from __future__ import with_statement in 2.5, as the with keyword was new and shouldn't be used as variable names any longer. In order to use with as a Python keyword in Python 2.5 or older, you will need to use the import fr...
How to exclude certain directories/files from git grep search
...ould also use something like :(top) (short form: :/) to include everything from the top of the repo. But then you'd probably also want to adjust your exclude pathspec to start from the top as well: :/!*.java (otherwise it would only exclude *.java files from under your current directory).
There's a...
how to change uiviewcontroller title independent of tabbar item title
...e tabBarItem onto the navigation controller instead for it to be picked up from the tab bar controller.
None of the answers posted by others worked for me because my tab bar's view controllers all have navigation controllers at their root - this is a common hierarchy pattern for UITabBarController....
Python 2.7: Print to File
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If you want to use the print function in Python 2, you have to import from __future__:
from __future__ import print_function
But you can have the same effect without using the function, too:
print >>f1, 'This is a test'
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How can I get list of values from dict?
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Do regular expressions from the re module support word boundaries (\b)?
...s%3a%2f%2fstackoverflow.com%2fquestions%2f3995034%2fdo-regular-expressions-from-the-re-module-support-word-boundaries-b%23new-answer', 'question_page');
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