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Swift make method parameter mutable?
...passing in a pointer.
func reduceToZero(_ x: inout Int) {
while (x != 0) {
x = x-1
}
}
var a = 3
reduceToZero(&a)
print(a) // will print '0'
This can be particularly useful in recursion.
Apple's inout declaration guidelines can be found here.
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Running a specific test case in Django when your app has a tests directory
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answered May 3 '11 at 20:20
Sam DolanSam Dolan
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In C/C++ what's the simplest way to reverse the order of bits in a byte?
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102
If you are talking about a single byte, a table-lookup is probably the best bet, unless for som...
PostgreSQL LIKE query performance variations
...to a particular table in my database. Sometimes I will get results within 200-400 ms (very acceptable) but other times it might take as much as 30 seconds to return results.
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What is the logic behind the “using” keyword in C++?
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120
In C++11, the using keyword when used for type alias is identical to typedef.
7.1.3.2
A typedef...
Using -performSelector: vs. just calling the method
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edited Sep 29 '09 at 18:25
bbum
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Programmatically Hide/Show Android Soft Keyboard [duplicate]
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+50
Adding this to your code android:focusableInTouchMode="true" will make sure that your keypad doesn't appear on startup for your editte...
PHP CURL DELETE request
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220
I finally solved this myself. If anyone else is having this problem, here is my solution:
I cre...
Is there a way to change the spacing between legend items in ggplot2?
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ggplot2 v3.0.0 released in July 2018 has working options to modify legend.spacing.x, legend.spacing.y and legend.text.
Example: Increase horizontal spacing between legend keys
library(ggplot2)
ggplot(mtcars, aes(factor(cyl), fill ...
Why use argparse rather than optparse?
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edited Sep 10 '17 at 14:34
Cœur
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