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std::string formatting like sprintf
...s ... ) + 1; // Extra space for '\0'
if( size <= 0 ){ throw std::runtime_error( "Error during formatting." ); }
std::unique_ptr<char[]> buf( new char[ size ] );
snprintf( buf.get(), size, format.c_str(), args ... );
return std::string( buf.get(), buf.get() + size - 1 ); // ...
Appending to an existing string
...notes.where(:author_id => a).first presumably returns a new object each time, which will have its own independent string.
– sepp2k
Dec 21 '12 at 11:44
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Get size of all tables in database
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If your tables are partitioned, they show up multiple times without any indication of what is going on. You can either add p.partition_number to the select list or you can SUM(p.Rows) and remove it from the group by.
– PRMan
Apr 22 '14 at ...
Numpy first occurrence of value greater than existing value
...ve another list.
In [2]: N = 10000
In [3]: aa = np.arange(-N,N)
In [4]: timeit np.argmax(aa>N/2)
100000 loops, best of 3: 52.3 us per loop
In [5]: timeit np.where(aa>N/2)[0][0]
10000 loops, best of 3: 141 us per loop
In [6]: timeit np.nonzero(aa>N/2)[0][0]
10000 loops, best of 3: 142 u...
Set focus on TextBox in WPF from view model
...h Focus is... debugging .Net source code. No kidding. It saved me a lot of time many times. To enable .net source code debugging refer to Shawn Bruke's blog.
Finally, general approach that I use to set focus from ViewModel is Attached Properties. I wrote very simple attached property, which can be s...
android on Text Change Listener
... how to detect after all field changed, because, it detect every time it changes, when any button is pressed.
– Rafael Guimarães
Oct 31 '19 at 1:41
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Set cursor position on contentEditable
...v is to move the caret/cursor to the beginning of the text in the div each time you click on it, which is undesirable.
8 An...
How to split a string with any whitespace chars as delimiters
...Anarelle it repeats the space character capture at least once, and as many time as possible: see https://regex101.com/r/dT7wG9/1 or http://rick.measham.id.au/paste/explain.pl?regex=\s%2B or http://regexper.com/#^s%2B or http://www.myezapp.com/apps/dev/regexp/show.ws?regex=\s+&env=env_java
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Conceptually, how does replay work in a game?
...bers). Since many games will update the game state based on the amount of time that passes between frames, you may also need to store the length of each frame.
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Split string on the first white space occurrence
...smart because I have always considered this as a defect. This is the first time I am seeing this is taken advantage of :)
– Gogol
May 9 '18 at 11:00
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