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What does the brk() system call do?

...rge (say, >128K) allocations. See, for instance, the discussion of MMAP_THRESHOLD in the Linux malloc(3) manpage. – zwol Aug 9 '11 at 15:26 1 ...
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How do I convert a String object into a Hash object?

... different string, you can do it without using dangerous eval method: hash_as_string = "{\"0\"=>{\"answer\"=>\"1\", \"value\"=>\"No\"}, \"1\"=>{\"answer\"=>\"2\", \"value\"=>\"Yes\"}, \"2\"=>{\"answer\"=>\"3\", \"value\"=>\"No\"}, \"3\"=>{\"answer\"=>\"4\", \"value\...
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iPhone Data Usage Tracking/Monitoring

... The thing is that pdp_ip0 is one of interfaces, all pdpXXX are WWAN interfaces dedicated to different functions, voicemail, general networking interface. I read in Apple forum that : The OS does not keep network statistics on a process-by-proces...
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What is Java String interning?

...nterning is implemented magically and efficiently with a dedicated CONSTANT_String_info struct (unlike most other objects which have more generic representations): A string literal is a reference to an instance of class String, and is derived from a CONSTANT_String_info structure (§4.4.3) in th...
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How to get object length [duplicate]

...ize method, as well as a toArray method, which may get you what you need. _.size({one : 1, two : 2, three : 3}); => 3 share | improve this answer | follow ...
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Trying to mock datetime.date.today(), but not working

...ock.patch('datetime.date.today') def test(): datetime.date.today.return_value = date(2010, 1, 1) print datetime.date.today() Unfortunately, this won't work: >>> test() Traceback (most recent call last): File "<stdin>", line 1, in <module> File "build/bdist.macosx-...
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PDO closing connection

...>connection = new PDO(); $this->connection->query('KILL CONNECTION_ID()'); $this->connection = null; share | improve this answer | follow | ...
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What's the difference between lists and tuples?

...e pairs of page and line number to reference locations in a book, e.g.: my_location = (42, 11) # page number, line number You can then use this as a key in a dictionary to store notes on locations. A list on the other hand could be used to store multiple locations. Naturally one might want to ad...
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Objective-C Static Class Level variables

...ing a Class Object in Apple's Objective-C docs. – big_m Oct 3 '11 at 16:02 ...
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Iterate over the lines of a string

...< 0: break yield foo[prevnl + 1:nextnl] prevnl = nextnl if __name__ == '__main__': for f in f1, f2, f3: print list(f()) Running this as the main script confirms the three functions are equivalent. With timeit (and a * 100 for foo to get substantial strings for more precise me...