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Use of alloc init instead of new
...ew doesn't support custom initializers (like initWithString)
alloc-init is more explicit than new
General opinion seems to be that you should use whatever you're comfortable with.
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What are the differences between the threading and multiprocessing modules?
...he heavy computation is done by some subprocess that you run and wait on.
More importantly, there are cases where this doesn't matter. For example, a network server spends most of its time reading packets off the network, and a GUI app spends most of its time waiting for user events. One reason to ...
Why does Python use 'magic methods'?
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This is a compelling argument. More satisfying that "Guido didn't really believe in OO".... (as I have seen claimed elsewhere).
– Andy Hayden
Aug 1 '16 at 6:09
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When is CRC more appropriate to use than MD5/SHA1?
When is it appropriate to use CRC for error detection versus more modern hashing functions such as MD5 or SHA1? Is the former easier to implement on embedded hardware?
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Windows equivalent of the 'tail' command
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No exact equivalent. However there exist a native DOS command "more" that has a +n option that will start outputting the file after the nth line:
DOS Prompt:
C:\>more +2 myfile.txt
The above command will output everything after the first 2 lines.
This is actually the inverse of Un...
How are the points in CSS specificity calculated
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This answer has a more practical description than Pekka's answer, to be honest. Basically what @Matt Fenwick says: what you're describing is a practical implementation of the spec. A flawed one at that, but not one that anything should be done...
Is returning by rvalue reference more efficient?
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what does the const & qualifier on a member function more than a simple const ?
– galinette
Apr 11 '14 at 11:33
4
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Why do people say that Ruby is slow? [closed]
...is just not enough traffic justify using a faster language that costs much more to develop for.
Which version of Ruby would best suit
an application like Stack Overflow
where speed is critical and traffic is
intense?
Other folks have answered this - JRuby, IronRuby, REE will make the Ru...
How to select the first element with a specific attribute using XPath
...store/book[@location='US'][1] works only with simple structure.
Add a bit more structure and things break.
With
<bookstore>
<category>
<book location="US">A1</book>
<book location="FIN">A2</book>
</category>
<category>
<book location="FI...
How do I get the real .height() of a overflow: hidden or overflow: scroll div?
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More correctly use $('#your_div').prop('scrollHeight');
– Lyubimov Roman
Aug 26 '14 at 9:22
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