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Strip Leading and Trailing Spaces From Java String
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Use String#trim() method or String allRemoved = myString.replaceAll("^\\s+|\\s+$", "") for trim both the end.
For left trim:
String leftRemoved = myString.replaceAll("^\\s+", "");
For right trim:
String rightRemoved = myString.replaceAll("\\s+$", "");
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How does inline Javascript (in HTML) work?
I know this is bad practice. Don't write code like this if at all possible.
6 Answers
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How do I prevent the padding property from changing width or height in CSS?
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This is pure magic! - It fixes the box model we all know and hate! i.e. makes it work the way intuition suggests it should - rather than the specs - but as far as I know doesn't break any specs either :D This article clarifies it well... stackoverflow.com/questions/779434/...
Overriding a Rails default_scope
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Short answer: Do not use default_scope unless you really have to. You'll probably be better off with named scopes. With that said, you can use with_exclusive_scope to override the default scope if you need to.
Have a look at this question for more details.
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How to change owner of PostgreSql database?
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Note, all tables and sequences inside the database will still be assigned to the original owner.
– Cerin
Nov 2 '16 at 0:52
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Map Tiling Algorithm
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The basic idea of this algorithm is to use a pre-processing step to find all edges and then select the correct smoothing tile according to the shape of the edge.
The first step would be to find all edges. In the example below the edge tiles marked with an X are all green tiles with a tan tile as ...
Finding the id of a parent div using Jquery
... edited Sep 14 '16 at 13:27
DMcCallum83
1921111 bronze badges
answered Feb 13 '09 at 14:10
MarkMark
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Visual List of iOS Fonts?
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Have you tried iOS Fonts?
This gives you a visual of all of the available fonts with the ability to enter your own string of text to see how it would look.
This doesn't appear to have been updated for iOS 7 however but I am unaware of any additional fonts which have been added...
Subset of rows containing NA (missing) values in a chosen column of a data frame
...ated. THe point is to use is.na, I wrongly interpreted you wanted to check all variables.
– Joris Meys
Nov 2 '11 at 21:34
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Ruby equivalent of virtualenv?
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use a Gemfile as your application's dependency declaration
use bundle install to install explicit versions of these dependencies into an isolated location
use bundle exec to run your application
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