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Prevent form redirect OR refresh on submit?
...docs explaining that false prevents submission?
– davide
Jan 3 '15 at 3:33
7
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NoSql Crash Course/Tutorial [closed]
I've seen NoSQL pop up quite a bit on SO and I have a solid understanding of why you would use it (from here, Wikipedia, etc). This could be due to the lack of concrete and uniform definition of what it is (more of a paradigm than concrete implementation), but I'm struggling to wrap my head aroun...
Regex empty string or email
I found a lot of Regex email validation in SO but I did not find any that will accept an empty string. Is this possible through Regex only? Accepting either empty string or email only? I want to have this on Regex only.
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What's the difference between django OneToOneField and ForeignKey?
...del) and ForeignKey(SomeModel, unique=True). As stated in The Definitive Guide to Django:
OneToOneField
A one-to-one relationship. Conceptually, this is similar to a ForeignKey with unique=True, but the "reverse" side of the relation will directly return a single object.
In contrast to th...
Make EditText ReadOnly
...ake a read-only EditText view. The XML to do this code seems to be android:editable="false" , but I want to do this in code.
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When to Redis? When to MongoDB? [closed]
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I just noticed that this question is quite old. Nevertheless, I consider the following aspects to be worth adding:
Use MongoDB if you don't know yet how you're going to query your data.
MongoDB is suited for Hackathons, startups or every time you don't know how you'll query the data you in...
How to get element by class name? [duplicate]
Using JavaScript, we can get element by id using following syntax:
4 Answers
4
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prevent refresh of page when button inside form clicked
I have an issue while using buttons inside form. I want that button to call function. It does, but with unwanted result that it refresh the page.
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Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
..."%@", NSStringFromCGPoint(cgPoint));
There are a number of functions provided by UIKit that convert the various CG structs into NSStrings. The reason it doesn't work is because %@ signifies an object. A CGPoint is a C struct (and so are CGRects and CGSizes).
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Get current clipboard content? [closed]
...u the selected content as well as updating the clipboard.
Bind the element id with copy event and then get the selected text. You could replace or modify the text. Get the clipboard and set the new text. To get the exact formatting you need to set the type as "text/hmtl". You may also bind it to the...