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How do I convert a Vector of bytes (u8) to a string
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Understanding offsetWidth, clientWidth, scrollWidth and -Height, respectively
... clientWidth / scrollWidth (and -Height , respectively), but none give comprehensive explanation of what those values are.
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Is it unnecessary to put super() in constructor?
Isn't this one automatically put by the compiler if I don't put it in a subclass's constructor?
6 Answers
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Why is Python 3.x's super() magic?
...object.
The PEP was kicked off by Guido, who initially envisioned super becoming a keyword, and the idea of using a cell to look up the current class was also his. Certainly, the idea to make it a keyword was part of the first draft of the PEP.
However, it was in fact Guido himself who then steppe...
Multiple aggregations of the same column using pandas GroupBy.agg()
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When to use a “has_many :through” relation in Rails?
...re else you use the user class and change it:
user.groups.first.name
# becomes
user.group_memberships.first.group.name
This type of code sucks, and it makes introducing changes like this painful.
has_many :through gives you the best of both worlds:
class User < ActiveRecord::Base
has_man...
A gentle tutorial to Emacs/Swank/Paredit for Clojure
...s well as a package called the Emacs Starter Kit which is something any newcomer to the Emacs world would be well-advised to have a look at. These instructions seem to have been brought up to date with recent changes to the infrastructure; in case of doubt, look for additional information on Clojure...
How do I recover/resynchronise after someone pushes a rebase or a reset to a published branch?
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Getting back in synch after a pushed rebase is really not that complicated in most cases.
git checkout foo
git branch old-foo origin/foo # BEFORE fetching!!
git fetch
git rebase --onto origin/foo old-foo foo
git branch -D old-foo
Ie. first you set up a bookmark for where the remote br...
Do regular expressions from the re module support word boundaries (\b)?
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Why don't you try
word = 'two'
re.compile(r'\b%s\b' % word, re.I)
Output:
>>> word = 'two'
>>> k = re.compile(r'\b%s\b' % word, re.I)
>>> x = 'one two three'
>>> y = k.search( x)
>>> y
<_sre.SRE_Match object ...