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How can I know when an EditText loses focus?
... +1 - but worth noting that if your edit text is in a listview, every key down will result in the box losing and getting focus. See this solution to keep track of the currently focused box: stackoverflow.com/questions/9527067/…
– bsautner
May 2 '13 at 14:18
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How can Perl's print add a newline by default?
...ram. Or you can use Modern::Perl to get this and other features.
See perldoc feature for more details.
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gitignore without binary files
...red Aug 31 '14 at 14:05
VenomVendorVenomVendor
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Use of def, val, and var in scala
...f you simply write:
person
then you are calling this method (and if you don't assign the return value, it will just be discarded). In this line of code:
person.age = 20
what happens is that you first call the person method, and on the return value (an instance of class Person) you are changing...
How can I center a div within another div? [duplicate]
...so that you can see that it is centered.
I think the real question is "How do I center elements horizontally with CSS?" and the answer is (drum roll please): it depends!
I won't do a full rehash of the myriad ways to center things with CSS when W3Schools does it so nicely here: http://www.w3schools....
vector vs. list in STL
... Bjarne Strostrup actually made a test where he generated random numbers and then added them to a list and a vector respectively. The insertions were made so that the list/vector was ordered at all times. Even though this is typically "list domain" the vector outperformed the list by a...
Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails
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With Rails 3 and later you can do like this:
resources :user_bundles, :path => '/user-bundles'
Another option is to modify Rails, via an initializer.
I don't recommend this though, since it may break in future versions (edit: doesn't work in Rails ...
Utility classes are evil? [closed]
...t algorithms that can be used on any Collection.
Really, what you need to do is think about your design and determine where it makes the most sense to put the methods. Usually, it's as operations inside of a class. However, sometimes, it is indeed as a utility class. When you do use a utility class...
Different class for the last element in ng-repeat
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You can use $last variable within ng-repeat directive. Take a look at doc.
You can do it like this:
<div ng-repeat="file in files" ng-class="computeCssClass($last)">
{{file.name}}
</div>
Where computeCssClass is function of controller which takes sole argument and returns 'la...
Pairs from single list
...by pairs. I was wondering which would be the pythonic and efficient way to do it, and found this on Google:
9 Answers
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