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How to use WeakReference in Java and Android development?
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Using a WeakReference in Android isn't any different than using one in plain old Java. Here is a great guide which gives a detailed explanation: Understanding Weak References.
You should think about using one whenever you need a reference to an obj...
Exiting from python Command Line
To exit from Python command line, I have to type exit(). If I type exit, it says
11 Answers
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Changing MongoDB data store directory
Until now I have not been specifying a MongoDB data directory and have had only one 30 GB primary partition.
9 Answers
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How to use NSJSONSerialization
..."id": "2", "name":"Bbb"}]
This might give you a clear picture of how to handle it:
NSError *e = nil;
NSArray *jsonArray = [NSJSONSerialization JSONObjectWithData: data options: NSJSONReadingMutableContainers error: &e];
if (!jsonArray) {
NSLog(@"Error parsing JSON: %@", e);
} else {
for...
Objective-C: Where to remove observer for NSNotification?
I have an objective C class. In it, I created a init method and set up a NSNotification in it
14 Answers
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Is .NET/Mono or Java the better choice for cross-platform development? [closed]
...ell....Java is actually more portable. Mono isn't implemented everywhere, and it lags behind the Microsoft implementation significantly. The Java SDK seems to stay in better sync across platforms (and it works on more platforms).
I'd also say Java has more tool availability across all those pla...
What does “while True” mean in Python?
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while True means loop forever. The while statement takes an expression and executes the loop body while the expression evaluates to (boolean) "true". True always evaluates to boolean "true" and thus executes the loop body indefinitely. It's an idiom that you'll just get used to eventually! Most ...
Face recognition Library [closed]
...acial Recognition SDK. This is a company founded by a University Professor and as such their website looks unprofessional. There's no pricing information or demo that you can download. You'll need to contact them for pricing information.
NeuroTechnology - Information on their Facial Recognition SDK....
How do I output an ISO 8601 formatted string in JavaScript?
... best solution I've come across is to use the Moment.js javascript library and use the following code:
To get the current ISO time with timezone information and milliseconds
now = moment().format("YYYY-MM-DDTHH:mm:ss.SSSZZ")
// "2013-03-08T20:11:11.234+0100"
now = moment().utc().format("YYYY-MM-D...
Converting string to title case
I have a string which contains words in a mixture of upper and lower case characters.
23 Answers
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