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How can I measure the actual memory usage of an application or process?
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With ps or similar tools you will only get the amount of memory pages allocated by that process. This number is correct, but:
does not reflect the actual amount of memory used by the application, only the amount of memory reserved f...
Is it acceptable and safe to run pip install under sudo?
...Mac to install Python packages in the same way I do with my Windows PC at work; however on my Mac I've come across frequent permission denied errors while writing to log files or site-packages.
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if (key in object) or if(object.hasOwnProperty(key)
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what do you mean exactly for in will also return true if key gets found somewhere in the prototype chain. can you write an example? thanks.
– Lorraine Bernard
Nov 29 '12 at 19:20
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Making an array of integers in iOS
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You can use a plain old C array:
NSInteger myIntegers[40];
for (NSInteger i = 0; i < 40; i++)
myIntegers[i] = i;
// to get one of them
NSLog (@"The 4th integer is: %d", myIntegers[3]);
Or, you can use an NSArray or NSMutableArray, but here you will need to wrap up each integ...
Mipmap drawables for icons
...roid 4.3 (Jelly Bean) we can now make use of the res/mipmap folders to store "mipmap" images.
11 Answers
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Why are the Level.FINE logging messages not showing?
The JavaDocs for java.util.logging.Level state:
7 Answers
7
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htmlentities() vs. htmlspecialchars()
...s between htmlspecialchars() and htmlentities() . When should I use one or the other?
12 Answers
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How do I get the number of elements in a list?
...everal different types in Python - both built-in types and library types. For example:
>>> len([1,2,3])
3
Official 2.x documentation is here: len()
Official 3.x documentation is here: len()
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Passing Objects By Reference or Value in C#
...he initial value of the parameter of the method you're calling. Now the important point is that the value is a reference for reference types - a way of getting to an object (or null). Changes to that object will be visible from the caller. However, changing the value of the parameter to refer to a d...
Difference between Python's Generators and Iterators
What is the difference between iterators and generators? Some examples for when you would use each case would be helpful.
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