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Why are nested weights bad for performance? Alternatives?
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Update: As we know the percent support library is deprecated from API level 26. ConstraintLayout is the new way to achieve the same flat xml structure.
Updated Github Project
Updated Samples:
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android....
When should I create a destructor?
... on their own thread. Don't cause deadlocks!
An unhandled exception thrown from a destructor is bad news. It's on its own thread; who is going to catch it?
A destructor may be called on an object after the constructor starts but before the constructor finishes. A properly written destructor will not...
Web API Put Request generates an Http 405 Method Not Allowed error
...hod on my Web API - the third line in the method (I am calling the Web API from an ASP.NET MVC front end):
9 Answers
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How do I empty an array in JavaScript?
...ould be careful with this method because if you have referenced this array from another variable or property, the original array will remain unchanged. Only use this if you only reference the array by its original variable A.
This is also the fastest solution.
This code sample shows the issue you ...
Purpose of Python's __repr__
... session), but I also tweaked the output format to explicitly be different from the assignment, as that greatly improves the clarity for someone confused over this, imho. (If I've gone to far, just re-edit, and I'll owe you a beer.)
– Roger Pate
Dec 31 '09 at 6...
How to add 30 minutes to a JavaScript Date object?
...etTime() + diff*60000);
Where diff is the difference in minutes you want from oldDateObj's time. It can even be negative.
Or as a reusable function, if you need to do this in multiple places:
function addMinutes(date, minutes) {
return new Date(date.getTime() + minutes*60000);
}
And just i...
Why are C++ inline functions in the header?
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This is actually a much better answer than mine, +1 from me!
– sbi
Feb 20 '11 at 12:39
2
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“var” or no “var” in JavaScript's “for-in” loop?
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But, coming from Java, putting the var inside the for head looks like it's local in the for loop, which it isn't. Hence, I prefer user422039's style below.
– njlarsson
Oct 23 '14 at 12:04
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How to make a div 100% height of the browser window
...age (or Viewport-Relative) Lengths
What are Viewport-Percentage Lengths?
From the linked W3 Candidate Recommendation above:
The viewport-percentage lengths are relative to the size of the initial containing block. When the height or width of the initial containing block is changed, they are sc...
NSLog/printf specifier for NSInteger?
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So the only thing you can do unfortunately: Use %ld, and cast your values from NSInteger to long, or from NSUInteger to unsigned long.
Once you don't build for 32 bit anymore, you can just use %ld, without any cast.
shar...