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Converting Stream to String and back…what are we missing?
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How to get the nth element of a python list or a default if not available
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What is the Swift equivalent of -[NSObject description]?
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edited Mar 14 '18 at 18:08
answered Jun 8 '14 at 17:38
dr...
What are file descriptors, explained in simple terms?
...at file and store the information about that opened file. So if there are 100 files opened in your OS then there will be 100 entries in OS (somewhere in kernel). These entries are represented by integers like (...100, 101, 102....). This entry number is the file descriptor.
So it is just an integer ...
how to get the cookies from a php curl into a variable
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edited May 7 '15 at 13:50
answered May 21 '09 at 23:55
TM...
How to understand nil vs. empty vs. blank in Ruby
...used on strings, arrays and hashes and returns true if:
String length == 0
Array length == 0
Hash length == 0
Running .empty? on something that is nil will throw a NoMethodError.
That is where .blank? comes in. It is implemented by Rails and will operate on any object as well as work like .empt...
What do 'lazy' and 'greedy' mean in the context of regular expressions?
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Mibac
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answered Feb 20 '10 at 6:22
SampsonSampson
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Is there shorthand for returning a default value if None in Python? [duplicate]
...s also returns "default" if x is any falsy value, including an empty list, 0, empty string, or even datetime.time(0) (midnight).
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Changing a specific column name in pandas DataFrame
...columns = {'two':'new_name'})
In [28]: df
Out[28]:
one three new_name
0 1 a 9
1 2 b 8
2 3 c 7
3 4 d 6
4 5 e 5
Following is the docstring for the rename method.
Definition: df.rename(self, index=None, columns=None, co...
How to detect total available/free disk space on the iPhone/iPad device?
...n working for me:
-(uint64_t)getFreeDiskspace {
uint64_t totalSpace = 0;
uint64_t totalFreeSpace = 0;
NSError *error = nil;
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSDictionary *dictionary = [[NSFileManager defaultMan...