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What is mattr_accessor in a Rails module?
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Force point (“.”) as decimal separator in java
...t which lets you specify the locale:
return String.format(Locale.ROOT, "%.2f", someDouble);
If you're only formatting a number - as you are here - then using NumberFormat would probably be more appropriate. But if you need the rest of the formatting capabilities of String.format, this should work...
Custom Cell Row Height setting in storyboard is not responding
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On dynamic cells, rowHeight set on the UITableView always overrides the individual cells' rowH...
How to export and import environment variables in windows?
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You can use RegEdit to export the following two keys:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControl...
Crop MP3 to first 30 seconds
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I also recommend ffmpeg, but the command line suggested by John Boker has an unintended side eff...
Rails: How does the respond_to block work?
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http://ruby-metaprogramming.rubylearning.com/html/ruby_metaprogramming_2.html
The Responder class uses its method_missing as a kind of registration. When we call 'json', we are telling it to respond to requests with the .json extension by serializing to json. We need to call html with no argum...
Extending the User model with custom fields in Django
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What does “Could not find or load main class” mean?
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How to delete all datastore in Google App Engine?
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