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Python - Create a list with initial capacity
... result[i]= message
return result
Results. (evaluate each function 144 times and average the duration)
simple append 0.0102
pre-allocate 0.0098
Conclusion. It barely matters.
Premature optimization is the root of all evil.
...
How to repeat a string a variable number of times in C++?
...lonel Panic
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answered Oct 3 '08 at 12:48
lukeluke
31.2k77 gold badges5...
Android, canvas: How do I clear (delete contents of) a canvas (= bitmaps), living in a surfaceView?
...
4
No, if you do not draw every pixel in the surface you will get very strange results (because double buffering is achieved by swapping pointe...
What does cherry-picking a commit with Git mean?
...cts in the future.
– MBober
May 8 '14 at 9:46
2
Is cherry picking really necessary? Won't a mixed...
How to access environment variable values?
...|
edited Feb 27 '18 at 18:45
Stevoisiak
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answ...
Copy constructor for a class with unique_ptr
...A( const A& a ) : up_( new int( *a.up_ ) ) {}
};
int main()
{
A a( 42 );
A b = a;
}
You can, as NPE mentioned, use a move-ctor instead of a copy-ctor but that would result in different semantics of your class. A move-ctor would need to make the member as moveable explicitly via std::mov...
What is an application binary interface (ABI)?
...es 32-bit integers to indicate the offset of a function and you switch to 64-bit integers, then already-compiled code that uses that library will not be accessing that field (or any following it) correctly. Accessing data structure members gets converted into memory addresses and offsets during com...
A definitive guide to API-breaking changes in .NET
...
42
+175
Changin...
Installing Google Protocol Buffers on mac
...d like to install the older version of Google Protocol Buffers (protobuf-2.4.1) on mac using Terminal command line. I tried with brew install protobuf , but the latest version 2.5.0 has been installed. Is it possible to install the older version from terminal.
...
How to get Chrome to allow mixed content?
...
Steps as of Chrome v79 (2/24/2020):
Click the (i) button next to the URL
Click Site settings on the popup box
At the bottom of the list is "Insecure content", change this to Allow
Go back to the site and Refresh the page
Older Ch...