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How to check if a string is a valid hex color representation?
...st('#ABC')
The only difference here is that
[0-9A-F]{6}
is replaced with
([0-9A-F]{3}){1,2}
This means that instead of matching exactly 6 characters, it will match exactly 3 characters, but 1 or 2 times. Allowing ABC and AABBCC, but not ABCD
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How to reference style attributes from a drawable?
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In my experience it is not possible to reference an attribute in an XML drawable.
In order to make your theme you need to:
Create one XML drawable per theme.
Include the needed color into you drawable directly with the @color tag or #RGB fo...
How do I get a background location update every n minutes in my iOS application?
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I found a solution to implement this with the help of the Apple Developer Forums:
Specify location background mode
Create an NSTimer in the background with UIApplication:beginBackgroundTaskWithExpirationHandler:
When n is smaller than UIApplication:backgroundTi...
Traverse all the Nodes of a JSON Object Tree with JavaScript
...like to traverse a JSON object tree, but cannot find any library for that. It doesn't seem difficult but it feels like reinventing the wheel.
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Xcode debugging - displaying images
... Xcode debugger. You can take a look at a variable's value and even change it.
6 Answers
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How do I scroll the UIScrollView when the keyboard appears?
I'm having trouble with my code. I'm trying to move the UIScrollView when I'm editing an UITextField that should be hidden by the keyboard pop.
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Why use the INCLUDE clause when creating an index?
...level, rather than in the index tree.
This makes the index smaller because it's not part of the tree
INCLUDE columns are not key columns in the index, so they are not ordered.
This means it isn't really useful for predicates, sorting etc as I mentioned above. However, it may be useful if you have a...
Installed Java 7 on Mac OS X but Terminal is still using version 6
I've installed JDK 7u7 downloaded from oracle's website. But after installation, the terminal is still showing java version 6
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SQL variable to hold list of integers
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Thanks for that but again it requires me to rewrite the way the variable is read in the query. I have to keep it the same.
– ErickTreetops
Aug 27 '13 at 1:20
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Allow Google Chrome to use XMLHttpRequest to load a URL from a local file
When trying to do a HTTP request using XMLHttpRequest from a local file, it basically fails due to Access-Control-Allow-Origin violation.
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