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Filter dict to contain only certain keys?
I've got a dict that has a whole bunch of entries. I'm only interested in a select few of them. Is there an easy way to prune all the other ones out?
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How to represent empty char in Java Character class
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You may assign '\u0000' (or 0).
For this purpose, use Character.MIN_VALUE.
Character ch = Character.MIN_VALUE;
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StringBuilder vs String concatenation in toString() in Java
Given the 2 toString() implementations below, which one is preferred:
18 Answers
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Change the font of a UIBarButtonItem
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Because UIBarButtonItem inherits from UIBarItem, you can try
- (void)setTitleTextAttributes:(NSDictionary *)attributes
forState:(UIControlState)state
but this is for iOS5 only. For iOS 3/4, you will have to u...
How to override the copy/deepcopy operations for a Python object?
I understand the difference between copy vs. deepcopy in the copy module. I've used copy.copy and copy.deepcopy before successfully, but this is the first time I've actually gone about overloading the __copy__ and __deepcopy__ methods. I've already Googled around and looked through the ...
How to make ng-repeat filter out duplicate results
I'm running a simple ng-repeat over a JSON file and want to get category names. There are about 100 objects, each belonging to a category - but there are only about 6 categories.
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Disable Drag and Drop on HTML elements?
I'm working on a web application for which I'm attempting to implement a full featured windowing system. Right now it's going very well, I'm only running into one minor issue. Sometimes when I go to drag a part of my application (most often the corner div of my window, which is supposed to trigger a...
How do you use script variables in psql?
In MS SQL Server, I create my scripts to use customizable variables:
13 Answers
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What are the differences between json and simplejson Python modules?
I have seen many projects using simplejson module instead of json module from the Standard Library. Also, there are many different simplejson modules. Why would use these alternatives, instead of the one in the Standard Library?
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