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What is the difference between atan and atan2 in C++?
...ntended for the origin to be in the middle, and things can go backwards or down. That's what you'd use in a screen representation, because it DOES matter what direction you want the curve to go. So atan2 can give you negative numbers, because its cero is in the center, and its result is something yo...
Is quitting an application frowned upon?
...hone apps pick up where the user left off, even if the app really was shut down (since iPhone only allows one third-party app at a time, at present).
As I said above, there is a lot of
things going on in my app (data being
PUSHed to the device, lists with tasks
that always should be there, etc.).
...
The requested operation cannot be performed on a file with a user-mapped section open
... environment. Left it running overnight (memory test - it passed), shut it down in the morning, a couple of small code changes, and suddenly couldn't finish my build because of this. Weird how this memory seemed to conflict like this.
– ouflak
Jul 17 '14 at 7:4...
Interview questions: WPF Developer [closed]
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Personally I would sit them down in front of a standard developer build machine and ask them to complete some task. No questions, just see what their code is like after a couple of hours (or more if the task is longer).
I have had a zero failure rate o...
Best way to select random rows PostgreSQL
...000 rows have been found and therefore returns sooner. Of course this bogs down the randomness a bit, but perhaps this is good enough in your case.
Edit: Besides of this considerations, you might check out the already asked questions for this. Using the query [postgresql] random returns quite a few...
Fast way of finding lines in one file that are not in another?
...er than comm way, because this one can handle unsorted files hence dragged down by unsorting, comm takes the advantage of sorting
– workplaylifecycle
May 23 '18 at 8:14
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How to hide reference counts in VS2013?
...Options / Environment / Fonts and Colours.
In the "Show Settings For" drop-down, select "CodeLens"
Choose the smallest font you can find e.g. Calibri 6.
Change the foreground colour to your editor foreground colour (say "White")
Click OK.
...
How to manage local vs production settings in Django?
...all the bases and at the same time wasn't a total hassle to setup (I'm not down with the 5x settings files methods).
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How to split a string into an array of characters in Python?
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The task boils down to iterating over characters of the string and collecting them into a list. The most naïve solution would look like
result = []
for character in string:
result.append(character)
Of course, it can be shortened to ...
Why is printing “B” dramatically slower than printing “#”?
...ng the discrepancy, then yes, not printing is a debugging trick. It comes down to, which problem are you trying to solve?
– Bob Kerns
Mar 3 '14 at 12:27
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