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Determine if ActiveRecord Object is New
How can I check if an ActiveRecord object is new or is already persisted?
2 Answers
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Performance of static methods vs instance methods
My question is relating to the performance characteristics of static methods vs instance methods and their scalability. Assume for this scenario that all class definitions are in a single assembly and that multiple discrete pointer types are required.
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How to securely save username/password (local)?
I'm making a Windows application, which you need to log into first.
The account details consist of username and password, and they need to be saved locally.
It's just a matter of security, so other people using the same computer can't see everyone's personal data.
What is the best/most secur...
Are class names in CSS selectors case sensitive?
I keep reading everywhere that CSS is not case sensitive, but I have this selector
4 Answers
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select into in mysql
I am a MSSQL user and now I am converting my database to MySQL. I am writing the following query in MySQL:
2 Answers
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Can I run javascript before the whole page is loaded?
I want to run a bit of javascript before the whole page has loaded. Is this possible? Or does the code start to execute on </html> ?
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How can I convert my device token (NSData) into an NSString?
I am implementing push notifications. I'd like to save my APNS Token as a String.
29 Answers
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Total width of element (including padding and border) in jQuery
As in the subject, how can one get the total width of an element, including its border and padding, using jQuery? I've got the jQuery dimensions plugin, and running .width() on my 760px-wide , 10px padding DIV returns 760 .
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How can I produce an effect similar to the iOS 7 blur view?
I'm trying to replicate this blurred background from Apple's publicly released iOS 7 example screen:
12 Answers
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How to increase font size in a plot in R?
I am confused. What is the right way to increase font size of text in the title, labels and other places of a plot?
7 Answ...