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Find size of object instance in bytes in c#
For any arbitrary instance (collections of different objects, compositions, single objects, etc)
15 Answers
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What is the aspnet_client folder for under the IIS structure?
...ly created by the aspnet_regiis tool, which can be (re-)run by things like Windows Update/AddRemove Windows components/IIS. So sometimes even if you do delete it, it can come back randomly. There may be a way to stop this behavior, but I haven't found it (maybe changing the application version to ....
How do I convert a float number to a whole number in JavaScript?
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Regarding the comment ~~ limits the value to 32 bit signed integers, while Math.floor/ceil/round can handle up to 53-bit (Number.MAX_SAFE_INTEGER 9007199254740991). This is mentioned in the answer below, but it is worth repeating here for those reading these comments.
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Convert pandas dataframe to NumPy array
...rformance wise, it's nearly the same (actually, using rec.fromrecords is a bit faster).
df2 = pd.concat([df] * 10000)
%timeit df2.to_records()
%%timeit
v = df2.reset_index()
np.rec.fromrecords(v, names=v.columns.tolist())
11.1 ms ± 557 µs per loop (mean ± std. dev. of 7 runs, 100 loops each)
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“Unresolved inclusion” error with Eclipse CDT for C standard library headers
...n, then the standard location is /usr/include/stdio.h for Linux, macOS, Cygwin, etc.
If you are cross-compiling for a separate/remote target system (e.g. Android, Raspberry Pi, STM32), then it will be located somewhere in the SDK you installed for that system. You will need to refer to that particu...
Pandas groupby: How to get a union of strings
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You can use the apply method to apply an arbitrary function to the grouped data. So if you want a set, apply set. If you want a list, apply list.
>>> d
A B
0 1 This
1 2 is
2 3 a
3 4 random
4 1 string
5 2 !
>>> ...
Most efficient way to store thousand telephone numbers
... the data structure: the first is a constant for the first five digits (17 bits); so from here on, each phone number has only the remaining five digits left. We view these remaining five digits as 17-bit binary integers and store k of those bits using one method and 17 - k = m with a different metho...
jquery data selector
...Filter is probably just as fast (each is almost certainly slower) but this wins on readability.
– Don
Jun 30 '15 at 19:08
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What exactly do “u” and “r” string flags do, and what are raw string literals?
...h of them -- that's all. It also gained some popularity to express native Windows file paths (with backslashes instead of regular slashes like on other platforms), but that's very rarely needed (since normal slashes mostly work fine on Windows too) and imperfect (due to the "except" clause above).
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Stopping scripters from slamming your website
... your case, this would probably be constant reloads of the same page, following every link on a page quickly, or filling in an order form too fast to be human.
If they fail the check x times in a row (say, 2 or 3), give that IP a timeout or other such measure. Then at the end of the timeout, dump t...