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What are the advantages of using nullptr?
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182
In that code, there doesn't seem to be an advantage. But consider the following overloaded fun...
Rails 4: how to use $(document).ready() with turbo-links
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19 Answers
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Remove useless zero digits from decimals in PHP
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$num + 0 does the trick.
echo 125.00 + 0; // 125
echo '125.00' + 0; // 125
echo 966.70 + 0; // 966.7
Internally, this is equivalent to casting to float with (float)$num or floatval($num) but I find it simpler.
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How to change font of UIButton with Swift
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16 Answers
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A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
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Here's a walkthrough of how I solved this in my in-app purchase library RMStore. I will explai...
Difference between 'python setup.py install' and 'pip install'
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On the surface, both do the same thing: doing either python setup.py install or pip install &l...
How to enter in a Docker container already running with a new TTY
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11 Answers
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Delete keychain items when an app is uninstalled
...om keychain here
[[NSUserDefaults standardUserDefaults] setValue:@"1strun" forKey:@"FirstRun"];
[[NSUserDefaults standardUserDefaults] synchronize];
}
//...Other stuff that usually happens in didFinishLaunching
}
This checks for and sets a "FirstRun" key/value in NSUserDef...
How to sum all the values in a dictionary?
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edited Sep 23 '19 at 20:51
answered Feb 2 '11 at 23:02
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Generate 'n' unique random numbers within a range [duplicate]
... replacement:
>>> import random
>>> random.sample(range(1, 100), 3)
[77, 52, 45]
random.sample takes a population and a sample size k and returns k random members of the population.
If you have to control for the case where k is larger than len(population), you need to be prepa...