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Use C++ with Cocoa Instead of Objective-C?
...on on Linux and Windows but on Mac OS X it seems like additional Apple specific pieces of code are required (like an Obj-C wrapper). It also seems that Apple is forcing developers to write in Objective-C rather than C++, although I could be wrong.
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In Python, when should I use a function instead of a method?
...ule is this - is the operation performed on the object or by the object?
if it is done by the object, it should be a member operation. If it could apply to other things too, or is done by something else to the object then it should be a function (or perhaps a member of something else).
When intro...
Implementation difference between Aggregation and Composition in Java
I'm aware of the conceptual differences between Aggregation and Composition. Can someone tell me the implementation difference in Java between them with examples?
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How to get the max of two values in MySQL?
...
Use GREATEST()
E.g.:
SELECT GREATEST(2,1);
Note: Whenever if any single value contains null at that time this function always returns null (Thanks to user @sanghavi7)
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improv...
Best way to list files in Java, sorted by Date Modified?
...n was to call File.listFiles and just resort the list based on File.lastModified, but I was wondering if there was a better way.
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Python logging: use milliseconds in time format
...e(self, record, datefmt=None):
ct = self.converter(record.created)
if datefmt:
s = time.strftime(datefmt, ct)
else:
t = time.strftime("%Y-%m-%d %H:%M:%S", ct)
s = "%s,%03d" % (t, record.msecs)
return s
Notice the comma in "%s,%03d". This can not be fixed by ...
When do we need to set ProcessStartInfo.UseShellExecute to True?
If we spawn a new process, when do we need to set UseShellExecute to True?
5 Answers
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clearing a char array c
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It depends on how you want to view the array. If you are viewing the array as a series of chars, then the only way to clear out the data is to touch every entry. memset is probably the most effective way to achieve this.
On the other hand, if you are choosing to view th...
What is Ember RunLoop and how does it work?
...ff into a separate library called backburner.js, with some very minor API differences.
First off, read these:
http://blog.sproutcore.com/the-run-loop-part-1/
http://blog.sproutcore.com/the-run-loop-part-2/
They're not 100% accurate to Ember, but the core concepts and motivation behind the RunLoo...
Best practices for Storyboard login screen, handling clearing of data upon logout
...ithOptions
//authenticatedUser: check from NSUserDefaults User credential if its present then set your navigation flow accordingly
if (authenticatedUser)
{
self.window.rootViewController = [[UIStoryboard storyboardWithName:@"Main" bundle:[NSBundle mainBundle]] instantiateInitialViewController...