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trying to animate a constraint in swift
... need to first change the constraint and then animate the update.
self.nameInputConstraint.constant = 8
Swift 2
UIView.animateWithDuration(0.5) {
self.view.layoutIfNeeded()
}
Swift 3, 4, 5
UIView.animate(withDuration: 0.5) {
self.view.layoutIfNeeded()
}
...
Pure CSS to make font-size responsive based on dynamic amount of characters
... They're the units associated with setting the viewport width. There are some drawbacks, such as lack of legacy browser support, but this is definitely something to seriously consider using. Plus you can still provide fallbacks for older browsers like so:
p {
font-size: 30px;
font-size: 3.5v...
How to really read text file from classpath in Java
...
With the directory on the classpath, from a class loaded by the same classloader, you should be able to use either of:
// From ClassLoader, all paths are "absolute" already - there's no context
// from which they could be relative. Therefore you don't need a leading slash.
InputStream in =...
How to convert IPython notebooks to PDF and HTML?
...need a profile to convert the notebook, what is it? Does there exist a documentation about this tool?
17 Answers
...
SQL Server Regular expressions in T-SQL
...egex library, but it gives you the basics.
(From Books Online)
Wildcard Meaning
% Any string of zero or more characters.
_ Any single character.
[ ] Any single character within the specified range
(for example, [a-f]) or set (for example, [abcdef]).
[^] Any single character not within t...
How do I check out a remote Git branch?
Somebody pushed a branch called test with git push origin test to a shared repository. I can see the branch with git branch -r .
...
void in C# generics?
I have a generic method that takes a request and provides a response.
7 Answers
7
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What is the benefit of using $() instead of backticks in shell scripts?
...ands within commands, without losing your sanity trying to figure out if some form of escaping will work on the backticks.
An example, though somewhat contrived:
deps=$(find /dir -name $(ls -1tr 201112[0-9][0-9]*.txt | tail -1l) -print)
which will give you a list of all files in the /dir directo...
How can I reverse a NSArray in Objective-C?
...ed copy of an array, look at danielpunkass' solution using reverseObjectEnumerator.
For reversing a mutable array, you can add the following category to your code:
@implementation NSMutableArray (Reverse)
- (void)reverse {
if ([self count] <= 1)
return;
NSUInteger i = 0;
NS...
Rails - controller action name to string
...
Rails 2.X: @controller.action_name
Rails 3.1.X: controller.action_name, action_name
Rails 4.X: action_name
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