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Why are regular expressions so controversial? [closed]
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I don't think people object to regular expressions because they're slow, but rather because they're hard to read and write, as well as tricky to get right. While there are some situations where regular expressions provide an ef...
How can I change the image displayed in a UIImageView programmatically?
...ave an IBOutlet to a UIImageView , but when I look at the UIImageView doc, I can't see any hints about programmatically changing it. Do I have to fetch an UIImage object from that UIImageView ?
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Where to install Android SDK on Mac OS X?
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this answer messed up my package. Do not Use This
– Yuseferi
Feb 25 '19 at 13:25
1
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Calling a function every 60 seconds
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If you don't care if the code within the timer may take longer than your interval, use setInterval():
setInterval(function, delay)
That fires the function passed in as first parameter over and over.
A better approach is, to use ...
Usage of __slots__?
... __slots__ = 'foo', 'bar', 'baz' # redundant foo and bar
Python doesn't object when you get this wrong (it probably should), problems might not otherwise manifest, but your objects will take up more space than they otherwise should. Python 3.8:
>>> from sys import getsizeof
>&...
Dynamic type languages versus static type languages
...ming mistakes (e.g. preventing
adding an integer to a boolean),
better documentation in the form of
type signatures (e.g. incorporating
number and types of arguments when
resolving names), more opportunities
for compiler optimizations (e.g.
replacing virtual calls by direct
calls whe...
Can I use git diff on untracked files?
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Feature added in 1.6.1: github.com/git/git/blob/master/Documentation/RelNotes/1.6.1.txt
– MarcH
May 31 '13 at 18:23
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Prevent form submission on Enter key press
I have a form with two text boxes, one select drop down and one radio button . When the enter key is pressed, I want to call my JavaScript function, but when I press it, the form is submitted.
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How to have click event ONLY fire on parent DIV, not children?
... That answer explains this comment
– gdoron is supporting Monica
Feb 7 '12 at 20:44
@gdoron: Adam is be...
Simple example of threading in C++
...rted upon construction.
If later on you want to wait for the thread to be done executing the function, call:
t1.join();
(Joining means that the thread who invoked the new thread will wait for the new thread to finish execution, before it will continue its own execution).
The Code
#include &...