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Simple regular expression for a decimal with a precision of 2
...t:
\d+(\.\d{1,2})?
Both assume that both have at least one digit before and one after the decimal place.
To require that the whole string is a number of this form, wrap the expression in start and end tags such as (in Perl's form):
^\d+(\.\d{1,2})?$
To match numbers without a leading digit be...
How to add a right button to a UINavigationController?
...ll might be quite a while before it displays, no point in doing work early and tying up memory.
- (void)viewDidLoad {
[super viewDidLoad];
UIBarButtonItem *anotherButton = [[UIBarButtonItem alloc] initWithTitle:@"Show" style:UIBarButtonItemStylePlain target:self action:@selector(refreshPropert...
Change select box option background color
I have a select box and I'm trying to change the background color of the options when the select box has been clicked and shows all the options.
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(13: Permission denied) while connecting to upstream:[nginx]
I am working with configuring Django project with Nginx and Gunicorn.
8 Answers
8
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Pretty printing XML in Python
...ered Jul 30 '09 at 14:12
Ben NolandBen Noland
30.7k1616 gold badges4747 silver badges4949 bronze badges
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C# Lazy Loaded Automatic Properties
...ction to implement the most basic of properties: backing field with getter and setter. It doesn't support this type of customization.
However you can use the 4.0 Lazy<T> type to create this pattern
private Lazy<string> _someVariable =new Lazy<string>(SomeClass.IOnlyWantToCallY...
Height equal to dynamic width (CSS fluid layout) [duplicate]
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All you need to do is include the jQuery script and css styles. Check full code at jsfiddle.net/n6DAu/24
– Hussein
Jul 28 '11 at 6:12
36
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Add legend to ggplot2 line plot
... about legends in ggplot2. I managed to plot three lines in the same graph and want to add a legend with the three colors used. This is the code used
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iPhone: Setting Navigation Bar Title
Hey all. I'm still pretty new to iPhone development, and I'm having a bit of trouble figuring out how to change the title of my Navigation Bar. On another question on this site somebody recommended using :
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How to “pretty” format JSON output in Ruby on Rails
...client-side debugging as any tools worth their salt (eg. Firebug) already handle prettyprinting JSON.
– lambshaanxy
Sep 20 '11 at 3:37
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