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Why is Python 3.x's super() magic?
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The new magic super() behaviour was added to avoid violating the D.R.Y. (Don't Repeat Yourself) principle, see PEP 3135. Having to explicitly name the class by referencing it as a global is also prone to the same rebinding issues you discovered with super() itself:
class ...
When do you use Java's @Override annotation and why?
What are the best practices for using Java's @Override annotation and why?
27 Answers
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Emulate ggplot2 default color palette
...65, c = 100)[1:n]
}
For example:
n = 4
cols = gg_color_hue(n)
dev.new(width = 4, height = 4)
plot(1:n, pch = 16, cex = 2, col = cols)
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fol...
Is it OK to leave a channel open?
...principle of using Go channels is don't close a channel from the receiver side and don't close a channel if the channel has multiple concurrent senders."
As clearly mentioned in answer above that every channel will be GCed eventually once it is marked for cleanup, so it is okay to leave channel un-...
Python “raise from” usage
...ed
A similar mechanism works implicitly if an exception is raised inside an exception handler or a finally clause: the previous exception is then attached as the new exception’s __context__ attribute:
>>> try:
... print(1 / 0)
... except:
... raise RuntimeError("Something b...
What does @synchronized() do as a singleton method in objective C?
... from acquiring the
same lock at the same time.
The documentation provides a wealth of information on this subject. It's worth taking the time to read through it, especially given that you've been using it without knowing what it's doing.
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How to Diff between local uncommitted changes and origin
...t. I had tried a combination where I was doing a fetch before, but when I did git diff master origin/master it was still comparing against the committed version (obvious in retrospect). But leaving out the master now compares local changes against the fetched version.
– Chaitan...
How do I fix a merge conflict due to removal of a file in a branch?
... modified in HEAD (in the branch you are merging to).
So you have to decide whether
remove file using "git rm res/layout/dialog_item.xml"
or
accept version from HEAD (perhaps after editing it) with "git add res/layout/dialog_item.xml"
Then you finalize merge with "git commit".
Note that ...
How do I run git log to see changes only for a specific branch?
...commits from a specific branch, but it's really only showing commits that did not result in a merge
– rynmrtn
Apr 8 '13 at 20:16
6
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How to increase scrollback buffer size in tmux?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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