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std::back_inserter for a std::set?
...f an element is determined by the comparator of the set. Use std::inserter and pass it .begin():
std::set<int> s1, s2;
s1 = getAnExcitingSet();
transform(s1.begin(), s1.end(),
std::inserter(s2, s2.begin()), ExcitingUnaryFunctor());
The insert iterator will then call s2.insert(s2....
How do I initialize the base (super) class?
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Python (until version 3) supports "old-style" and new-style classes. New-style classes are derived from object and are what you are using, and invoke their base class through super(), e.g.
class X(object):
def __init__(self, x):
pass
def doit(self, bar):
pa...
Python Matplotlib figure title overlaps axes label when using twiny
... For what it's worth, it's not a new feature. title has taken x and y arguments for a very long time (as long as I can remember, at any rate).
– Joe Kington
Sep 27 '14 at 0:14
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Regex to match a digit two or four times
...t;-- alternation: four digits or two
\d{2}(?:\d{2})? <-- two digits, and optionally two more
(?:\d{2}){1,2} <-- two digits, times one or two
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Rebuild IntelliJ project indexes
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File -> Invalidate caches...
(Force rebuild of all caches and indices on next startup)
Restart IntelliJ IDEA.
Caution: This might Remove local history.
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Using “like” wildcard in prepared statement
I am using prepared statements to execute mysql database queries. And I want to implement a search functionality based on a keyword of sorts.
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How to use background thread in swift?
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And if someone wants a more Swift like syntax, I've created Async that adds some sugar to the syntax like Async.background {}
– tobiasdm
Sep 13 '14 at 21:50
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Best practices for reducing Garbage Collector activity in Javascript
... the 'sawtooth' output from the Memory timeline in the Chrome dev tools) - and this often impacts the performance of the application.
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@OneToMany List vs Set difference
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A list, if there is no index column specified, will just be handled as a bag by Hibernate (no specific ordering).
One notable difference in the handling of Hibernate is that you can't fetch two different lists in a single query. For example, if you have a Person entity having a list ...
How to swap files between windows in VIM?
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There are a few useful commands built in which give you a certain amount of control, but it's not comprehensive. The main ones are:
Ctrl-W, r (i.e. hold CTRL, press W, release CTRL, press r) - which rotates the windows (The first window becomes the ...