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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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What is included in JCenter repository in Gradle?
... According to the doc jcenter() points to jcenter.bintray.com and mavenCentral() to repo1.maven.org/maven2
– real_paul
Sep 15 '15 at 7:44
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Location of my.cnf file on macOS
...L forum says:
By default, the OS X installation does not use a my.cnf, and MySQL just uses the default values. To set up your own my.cnf, you could just create a file straight in /etc.
OS X provides example configuration files at /usr/local/mysql/support-files/.
And if you can't find them th...
Update data in ListFragment as part of ViewPager
I'm using the v4 compatibility ViewPager in Android. My FragmentActivity has a bunch of data which is to be displayed in different ways on different pages in my ViewPager. So far I just have 3 instances of the same ListFragment, but in the future I will have 3 instances of different ListFragments....
Python coding standards/best practices [closed]
... you generally use PEP 8 -- Style Guide for Python Code as your coding standards/guidelines? Are there any other formalized standards that you prefer?
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How to get complete month name from DateTime
...stead of DateTime.Now is a further simplification. No useless time portion and a bit faster.
– OrizG
Dec 12 '17 at 21:58
6
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Returning multiple objects in an R function [duplicate]
...ava, I would make a Class, maybe Person which has some private variables and encapsulates, maybe, height , age , etc.
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