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How do I size a UITextView to its content?
..., fixedWidth), newSize.height);
textView.frame = newFrame;
}
Or in Swift (Works with Swift 4.1 in iOS 11)
let fixedWidth = textView.frame.size.width
let newSize = textView.sizeThatFits(CGSize(width: fixedWidth, height: CGFloat.greatestFiniteMagnitude))
textView.frame.size = CGSize(width: max(...
Location Services not working in iOS 8
...my Info.plist. I added it and still it does not seem to work. I am using Swift, iOS8 and XCode 6 beta 4
– A B Vijay Kumar
Aug 3 '14 at 4:06
4
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How to get everything after a certain character?
...'d like to get the rest of the string after the underscore. So for example if I have the following strings and what I'd like returned:
...
How to map atan2() to degrees 0-360
...rtable with this notation, and without the conversion to degrees built in: if(x>0) {radians = x;} else {radians = 2*PI + x;} so we are just adding 2PI to the result if it is less than 0.
– David Doria
Sep 25 '12 at 19:05
...
How can I get the line number which threw exception?
...
If you need the line number for more than just the formatted stack trace you get from Exception.StackTrace, you can use the StackTrace class:
try
{
throw new Exception();
}
catch (Exception ex)
{
// Get stack trace ...
php is null or empty?
...
What you're looking for is:
if($variable === NULL) {...}
Note the ===.
When use ==, as you did, PHP treats NULL, false, 0, the empty string, and empty arrays as equal.
share
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C++STL容器使用经验总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...对象：
如果容器是vector、string或deque，则使用erase-remove_if习惯用法。
如果容器是list，则使用list::remove_if。
如果容器是一个标准关联容器，则使用remove_copy_if和swap，或者写一个循环遍历容器的元素，记住当把迭代器传给erase时...
How to play audio?
...
If you don't want to mess with HTML elements:
var audio = new Audio('audio_file.mp3');
audio.play();
function play() {
var audio = new Audio('https://interactive-examples.mdn.mozilla.net/media/examples/t-rex-roar.mp...
Disable assertions in Python
...tive functionality)
Single point in code
You continue your question:
if an assertion fails, I don't want it to throw an AssertionError, but to keep going.
If you want the code that fails to be exercised, you can catch either ensure control flow does not reach the assertion, for example:
if ...
Determine if code is running as part of a unit test
...ve a unit test (nUnit). Many layers down the call stack a method will fail if it is running via a unit test.
19 Answers
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