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When is it acceptable to call GC.Collect?
...bjects - particularly those you suspect to be in generations 1 and 2 - are now eligible for garbage collection, and that now would be an appropriate time to collect in terms of the small performance hit.
A good example of this is if you've just closed a large form. You know that all the UI controls...
Short circuit Array.forEach like calling break
...
There is now an even better way to do this in ECMAScript2015 (aka ES6) using the new for of loop. For example, this code does not print the array elements after the number 5:
let arr = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
for (le...
Swift: Testing optionals for nil
...ing with possXYZ (the unwrapped value of xyz)
} else {
// do something now that we know xyz is .None
}
This way you can both test if xyz contains a value and if so, immediately work with that value.
With regards to your compiler error, the type UInt8 is not optional (note no '?') and therefor...
Understand the “Decorator Pattern” with a real world example
... sell few pizza varieties and they will also provide toppings in the menu. Now imagine a situation wherein if the pizza shop has to provide prices for each combination of pizza and topping. Even if there are four basic pizzas and 8 different toppings, the application would go crazy maintaining all t...
How to take all but the last element in a sequence using LINQ?
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I don't know a Linq solution - But you can easily code the algorithm by yourself using generators (yield return).
public static IEnumerable<T> TakeAllButLast<T>(this IEnumerable<T> source) {
var it = source.Get...
Accept function as parameter in PHP
...nswer, but wanted to find some documentation to link to first, and didn't know what it was called exactly. Ah well, now I'll know for when I need to do this as well. Thanks.
– Rob
Apr 23 '10 at 17:01
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Number of days between two dates in Joda-Time
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You should now use .withTimeAtStartOfDay() instead of .toDateMidnight()
– bgolson
Oct 29 '13 at 16:54
2
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Giving UIView rounded corners
...his
#import <QuartzCore/QuartzCore.h> // not necessary for 10 years now :)
...
view.layer.cornerRadius = 5;
view.layer.masksToBounds = true;
Note: If you are trying to apply rounded corners to a UIViewController's view, it should not be applied in the view controller's constructor, but ...
What do people think of the fossil DVCS? [closed]
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After having used Fossil for more than a year now on non-trivial development projects, I feel confident enough to wage in on this topic.
Below's my experience so far. I'm comparing against git and svn at times, simply because I know those SCM's very well and comparing m...
Android Studio doesn't see device
... One M8 and I was able to debug on it last week. Something changed that is now causing Abdroid Studio to fail to see my phone as a viable debugging device. I tried it on another computer running Android Studio and it worked fine. So there must be some other setting or maybe even a driver someplace t...