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What does the 'L' in front a string mean in C++?
...bytes (depending on the size of wchar_t). The encoding used is independent from this prefix. I mean it must not be necessarily UTF-16 unlike stated in other answers here.
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How to use a custom comparison function in Python 3?
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A complete python3 cmp_to_key lambda example:
from functools import cmp_to_key
nums = [28, 50, 17, 12, 121]
nums.sort(key=cmp_to_key(lambda x, y: 1 if str(x)+str(y) < str(y)+str(x) else -1))
compare to common object sorting:
class NumStr:
def __init__(self, v)...
Overloading Macro on Number of Arguments
...fine SUM4(a, b, c) ((a) + (b) + (c) + (d))
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PS: __NARG__ is copied from Laurent Deniau & Roland Illig here: https://groups.google.com/group/comp.std.c/browse_thread/thread/77ee8c8f92e4a3fb/346fc464319b1ee5?pli=1
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JsonMappingException: No suitable constructor found for type [simple type, class ]: can not instanti
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May I ask where CustomType comes from. I am trying a structure like this but I am absolutely new to Java.
– andho
Jan 11 '13 at 9:19
183
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How to force Chrome browser to reload .css file while debugging in Visual Studio?
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Ctrl + R also working in Firefox. Thanks for Relieving me from Random Url and other things.
– Zeeshanef
Feb 26 '14 at 7:21
30
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Drawable image on a canvas
... @Saveen: Are you sure? As far as I can remember, this is supposed to work from the earliest versions of Android.
– Gábor
Aug 18 '17 at 7:50
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Find in Files: Search all code in Team Foundation Server
...TFS for a specific string or regex? This is probably the only thing I miss from Visual Source Safe...
12 Answers
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Why do C++ libraries and frameworks never use smart pointers?
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Apart from the fact that many libraries were written before the advent of standard smart pointers, the biggest reason is probably the lack of a standard C++ Application Binary Interface (ABI).
If you’re writing a header-only lib...
When are C++ macros beneficial? [closed]
...e macros? Not many (if any).
Are there any other situations that benefit from macros? YES!!!
One place I use macros is with very repetitive code. For example, when wrapping C++ code to be used with other interfaces (.NET, COM, Python, etc...), I need to catch different types of exceptions. Her...
File content into unix variable with newlines
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Bash -ge 4 has the mapfile builtin to read lines from the standard input into an array variable.
help mapfile
mapfile < file.txt lines
printf "%s" "${lines[@]}"
mapfile -t < file.txt lines # strip trailing newlines
printf "%s\n" "${lines[@]}"
See also:
http...