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How to check if a file exists in the Documents directory in Swift?
...MAR Why that strange string interpolation? You could use absoluteString to convert NSURL to path but it would be better to just keep the path as a string (NSString) like you do in Swift 1.2.
– Sulthan
Apr 27 '16 at 17:48
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JavaScript data formatting/pretty printer
...t')
{
if (value instanceof Array)
{
// Just let JS convert the Array to a string!
value = "[ " + value + " ]";
}
else
{
// Recursive dump
// (replace " " by "\t" or something else if you prefer)
var od = DumpObjectIndented(va...
python list in sql query as parameter
... same query. Doing this I got the erroy i.e. Type Error: not all arguments converted during string formatting. How am I supposed to solbe it
– TechJhola
Jan 9 '15 at 19:55
2
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Common use-cases for pickle in Python
...tributed system (marshalling)
3) storing python objects in a database
4) converting an arbitrary python object to a string so that it can be used as a dictionary key (e.g. for caching & memoization).
There are some issues with the last one - two identical objects can be pickled and result in ...
Importing files from different folder
... @kreativitea - sys.path returns a list, not a deque, and it'd be silly to convert the list to a deque and back.
– ArtOfWarfare
Nov 3 '13 at 20:35
40
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How to get .pem file from .key and .crt files?
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Awesome! This is worked well for me! Just converted my .key and .crt files to .pem using your lines of code and then I uploaded (copy/paste) via AWS console. Thanks!
– Diego D
Jun 30 '16 at 10:52
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How do you get a string to a character array in JavaScript?
How do you convert a string to a character array in JavaScript?
13 Answers
13
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Are list-comprehensions and functional functions faster than “for loops”?
... in Python, is a list-comprehension, or functions like map() , filter() and reduce() faster than a for loop? Why, technically, they run in a C speed , while the for loop runs in the python virtual machine speed ?.
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Transposing a NumPy array
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You can convert an existing vector into a matrix by wrapping it in an extra set of square brackets...
from numpy import *
v=array([5,4]) ## create a numpy vector
array([v]).T ## transpose a vector into a matrix
numpy also has a ma...
Intersection and union of ArrayLists in Java
... Ooof, it might be a nice one-liner but it takes O(n^2) time. Convert one of the lists to a Set then use the set's contains method. Not everything in life has to be done with streams.
– dimo414
Oct 26 '16 at 6:22
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