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How does the bitwise complement operator (~ tilde) work?
Why is it that ~2 is equal to -3? How does ~ operator work?
15 Answers
15
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How do you tell if caps lock is on using JavaScript?
How do you tell if caps lock is on using JavaScript?
31 Answers
31
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What is a stream?
...in sequential order. Typical operations on a stream:
read one byte. Next time you read, you'll get the next byte, and so on.
read several bytes from the stream into an array
seek (move your current position in the stream, so that next time you read you get bytes from the new position)
write one by...
What are the main uses of yield(), and how does it differ from join() and interrupt()?
...ty) will get a chance to run before the yielded thread is next
given CPU time. When it is eventually re-scheduled, it will come back
with a full full quantum, but doesn't "carry over" any of the
remaining quantum from the time of yielding. This behaviour is a
little different from a non-zero...
Twitter Bootstrap alert message close and open again
... class="close" data-ng-click="vm.result = null" aria-hidden="true">&times;</button>
<strong>Error ! </strong>{{vm.exception}}
</div>
works for me and stops the need to go out to jquery
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What are copy elision and return value optimization?
... to a temp, and copy 2 from temp to obj; 2nd is when one of the above is optimezed, probably the reutnr copy is elided; the thris both are elided
– victor
Nov 7 '14 at 16:06
3
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Iterate over object attributes in python
... can lead to problems if you're not careful, so the above method might sometimes be better (though copying the dictionary is probably easier). Also, note that while the dictionary returned above isn't the instance's __dict__, the values are the same, so modifying any mutable values will still be ref...
How do you deal with configuration files in source control?
...ally on one a private
testing branch (e.g. B' = B + customizations). Each time mainline
advances, they effortlessly merge it into testing, which results in
merge commits such as D' (= D + merged version of B's customizations).
This scheme really shines when the "template" config file is updated:
t...
What is the best open XML parser for C++? [duplicate]
...re not optional checks, mandated by xml spec itself. I would not waste my time on such a thing as there are actual good decent parsers too (libxml2 for example)_
– StaxMan
Apr 23 '09 at 4:06
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How is Math.Pow() implemented in .NET Framework?
...the method is actually implemented in the CLR, written in C++. The just-in-time compiler consults a table with internally implemented methods and compiles the call to the C++ function directly.
Having a look at the code requires the source code for the CLR. You can get that from the SSCLI20 distribu...