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Is it better to use std::memcpy() or std::copy() in terms to performance?
...ll have a slight, almost imperceptible performance loss. I just did a test and found that to be untrue: I did notice a performance difference. However, the winner was std::copy.
I wrote a C++ SHA-2 implementation. In my test, I hash 5 strings using all four SHA-2 versions (224, 256, 384, 512), and ...
Java Security: Illegal key size or default parameters?
... had asked a question about this earlier, but it didn't get answered right and led nowhere.
19 Answers
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How to replace NaN values by Zeroes in a column of a Pandas Dataframe?
I have a Pandas Dataframe as below:
12 Answers
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Finding median of list in Python
...ow do you find the median of a list in Python? The list can be of any size and the numbers are not guaranteed to be in any particular order.
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How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
How can I use regular expressions in Excel and take advantage of Excel's powerful grid-like setup for data manipulation?
9 ...
How to keep a .NET console app running?
...hen you are forcing the code to recheck variables. It wastes CPU resources and slows down your program.
I would definitely say the first one.
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Better way to cast object to int
...() — For converting an object of unknown type. It will use an explicit and implicit conversion or IConvertible implementation if any are defined.
as int? — Note the "?". The as operator is only for reference types, and so I used "?" to signify a Nullable<int>. The "as" operator works li...
Can I mask an input text in a bat file?
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Up to XP and Server 2003, you can make use of another included tool (VBScript) - the following two scripts do the job you want.
First, getpwd.cmd:
@echo off
<nul: set /p passwd=Password:
for /f "delims=" %%i in ('cscript /nologo...
How would one write object-oriented code in C? [closed]
...esign pattern known as "object orientation"; same with garbage collection, and other such. They are so ingrained now, we tend to forget, when they were first being devised, it was in much the same way as with what we think of as design patterns today
– Dexygen
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How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
...hose who dont know, we start adding arguments from index 2 because index 0 and 1 are reserved for hidden arguments "self" and "_cmd".
– Vishal Singh
May 15 '13 at 6:20
add a c...