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How to determine if a number is odd in JavaScript
Can anyone point me to some code to determine if a number in JavaScript is even or odd?
27 Answers
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Setting action for back button in navigation controller
I'm trying to overwrite the default action of the back button in a navigation controller. I've provided a target an action on the custom button. The odd thing is when assigning it though the backbutton attribute it doesn't pay attention to them and it just pops the current view and goes back to the...
Difference between VARCHAR and TEXT in MySQL [duplicate]
When we create a table in MySQL with a VARCHAR column, we have to set the length for it. But for TEXT type we don't have to provide the length.
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Django filter versus get for single object?
I was having a debate on this with some colleagues. Is there a preferred way to retrieve an object in Django when you're expecting only one?
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Why is Java's boolean primitive size not defined?
The Java Virtual Machine Specification says that there is limited support for boolean primitive types.
7 Answers
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In Java, how do I check if a string contains a substring (ignoring case)? [duplicate]
I have two String s, str1 and str2 . How do I check if str2 is contained within str1 , ignoring case?
6 Answers
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Overcoming “Display forbidden by X-Frame-Options”
I'm writing a tiny webpage whose purpose is to frame a few other pages, simply to consolidate them into a single browser window for ease of viewing. A few of the pages I'm trying to frame forbid being framed and throw a "Refused to display document because display forbidden by X-Frame-Options." err...
How can I “unuse” a namespace?
One of the vagaries of my development system (Codegear C++Builder) is that some of the auto-generated headers insist on having...
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Singletons vs. Application Context in Android?
Recalling this post enumerating several problems of using singletons
and having seen several examples of Android applications using singleton pattern, I wonder if it's a good idea to use Singletons instead of single instances shared through global application state (subclassing android.os.Applicat...
grep using a character vector with multiple patterns
I am trying to use grep to test whether a vector of strings are present in an another vector or not, and to output the values that are present (the matching patterns).
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