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Rails: What's a good way to validate links (URLs)?
I was wondering how I would best validate URLs in Rails. I was thinking of using a regular expression, but am not sure if this is the best practice.
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ORA-00979 not a group by expression
I am getting ORA-00979 with the following query:
8 Answers
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What's the better (cleaner) way to ignore output in PowerShell? [closed]
Let's say you have a method or a cmdlet that returns something, but you don't want to use it and you don't want to output it. I found these two ways:
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Unix's 'ls' sort by name
Can you sort an ls listing by name?
11 Answers
11
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Delete specified file from document directory
I want to delete an image from my app document directory. Code I have written to delete image is:
10 Answers
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Uri to default sound notification?
I use the Notification.Builder to build a notification.
Now I want to use the default sound notification with:
7 Answers
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HTML Input=“file” Accept Attribute File Type (CSV)
I have a file upload object on my page:
8 Answers
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How do you install Google frameworks (Play, Accounts, etc.) on a Genymotion virtual device? [duplica
I'm currently trying out Genymotion and boy, it's so much faster than the ADT emulator.
10 Answers
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How to simplify a null-safe compareTo() implementation?
I'm implementing compareTo() method for a simple class such as this (to be able to use Collections.sort() and other goodies offered by the Java platform):
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Put icon inside input element in a form
How do I put an icon inside a form's input element?
16 Answers
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