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Android - Activity vs FragmentActivity? [duplicate]
I am new in Android. I want to build an app with tab format. I found many documentation where Activity has been used. Also in many cases have used FragmentActivity . I am not sure which will be better to start. Please suggest me should I use Activity or FragmentActivity to start development i...
Cross-browser window resize event - JavaScript / jQuery
... for tapping into the window resize event that works in Firefox, WebKit , and Internet Explorer?
11 Answers
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How to concatenate strings in django templates?
... just works. Though I would recommend Ahsan's own answer as it also workes and is (in my opinion) semantically more correct and raises less confusion.
– gitaarik
Apr 2 '13 at 16:23
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DROP IF EXISTS VS DROP?
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Standard SQL syntax is
DROP TABLE table_name;
IF EXISTS is not standard; different platforms might support it with different syntax, or not support it at all. In PostgreSQL, the syntax is
DROP TABLE IF EXISTS table_name;
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RSA Public Key format
...ers from ---- BEGIN SSH2 PUBLIC KEY ---- to -----BEGIN RSA PUBLIC KEY----- and expect that it will be sufficient to convert from one format to another (which is what you've done in your example).
This article has a good explanation about both formats.
What you get in an RSA PUBLIC KEY is closer to...
C++: Rounding up to the nearest multiple of a number
OK - I'm almost embarrassed posting this here (and I will delete if anyone votes to close) as it seems like a basic question.
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What's an elegant way to conditionally add a class to an HTML element in a view?
...lly you should represent success with boolean true or a numeric record ID, and failure with boolean false or nil. This way you can just test your variable:
<div class="<%= 'ok' if @success %>">
A second form using the ternary ?: operator is useful if you want to choose between two cl...
Change UICollectionViewCell size on different device orientations
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1) You could maintain and swap out multiple layout objects, but there's a simpler way. Just add the following to your UICollectionViewController subclass and adjust the sizes as required:
- (CGSize)collectionView:(UICollectionView *)collectionVie...
How to get config parameters in Symfony2 Twig Templates
...define in your config file:
twig:
globals:
version: "0.1.0"
And access it in your template with
{{ version }}
Otherwise it must be a way with an Twig extension to expose your parameters.
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How do I refresh the page in ASP.NET? (Let it reload itself by code)
...se.Redirect(Request.RawUrl);
That ensures that the page is reloaded, and it works fine from a user control. You use RawURL and not Request.Url.AbsoluteUri to preserve any GET parameters that may be included in the request.
You probably don't want to use: __doPostBack, since many aspx pages b...