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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...
(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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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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GridLayout and Row/Column Span Woe
The Android Developers Blog post introducing GridLayout shows this diagram of how spans impact automatic index allocation:
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Creating an abstract class in Objective-C
...ct class - by making the methods/ selectors call doesNotRecognizeSelector: and therefore raise an exception making the class unusable.
For example:
- (id)someMethod:(SomeObject*)blah
{
[self doesNotRecognizeSelector:_cmd];
return nil;
}
You can also do this for init.
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How can I check if string contains characters & whitespace, not just whitespace?
... of non whitespace:
if (/\S/.test(myString)) {
// string is not empty and not just whitespace
}
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