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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...
How do you properly use namespaces in C++?
...where packages are used, not namespaces. I'm used to putting classes that work together to form a complete object into packages, and then reusing them later from that package. But now I'm working in C++.
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retrieve links from web page using python and BeautifulSoup [closed]
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Here's a short snippet using the SoupStrainer class in BeautifulSoup:
import httplib2
from bs4 import BeautifulSoup, SoupStrainer
http = httplib2.Http()
status, response = http.request('http://www.nytimes.com')
for link in BeautifulSo...
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...
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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Pipe to/from the clipboard in Bash script
...lip (and others). xclip -selection c will send data to the clipboard that works with Ctrl + C, Ctrl + V in most applications.
If you're on Mac OS X, there's pbcopy. e.g cat example.txt | pbcopy
If you're in Linux terminal mode (no X) then look into gpm or screen which has a clipboard. Try the scr...
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...