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How would one write object-oriented code in C? [closed]
...esign pattern known as "object orientation"; same with garbage collection, and other such. They are so ingrained now, we tend to forget, when they were first being devised, it was in much the same way as with what we think of as design patterns today
– Dexygen
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How to get the current time in milliseconds from C in Linux?
...
(intmax_t)s, ms);
}
If your goal is to measure elapsed time, and your system supports the "monotonic clock" option, then you should consider using CLOCK_MONOTONIC instead of CLOCK_REALTIME.
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How to normalize an array in NumPy?
...:
import numpy as np
from sklearn.preprocessing import normalize
x = np.random.rand(1000)*10
norm1 = x / np.linalg.norm(x)
norm2 = normalize(x[:,np.newaxis], axis=0).ravel()
print np.all(norm1 == norm2)
# True
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How to use performSelector:withObject:afterDelay: with primitive types in Cocoa?
...hose who dont know, we start adding arguments from index 2 because index 0 and 1 are reserved for hidden arguments "self" and "_cmd".
– Vishal Singh
May 15 '13 at 6:20
add a c...
Post JSON using Python Requests
I need to POST a JSON from a client to a server. I'm using Python 2.7.1 and simplejson. The client is using Requests. The server is CherryPy. I can GET a hard-coded JSON from the server (code not shown), but when I try to POST a JSON to the server, I get "400 Bad Request".
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“No such file or directory” error when executing a binary
...ed it: sudo apt-get install ia32-libs
– RyanfaeScotland
Oct 11 '13 at 12:44
21
If anyone still g...
Refresh a page using JavaScript or HTML [duplicate]
...cation)
window.location.replace(location)
self.location.assign(location)
and the last 10:
self['location']['replace'](self.location['href'])
location.reload()
location['reload']()
window.location.reload()
window['location'].reload()
window.location['reload']()
window['location']['reload']()
self....
How to programmatically send a 404 response with Express/Node?
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Sending a status code directly is deprecated in 4.x and will probably be removed at some point. Best to stick with .status(404).send('Not found')
– Matt Fletcher
Oct 22 '14 at 8:50
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Removing a list of characters in string
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If you're using python2 and your inputs are strings (not unicodes), the absolutely best method is str.translate:
>>> chars_to_remove = ['.', '!', '?']
>>> subj = 'A.B!C?'
>>> subj.translate(None, ''.join(chars_to_remove))...
'float' vs. 'double' precision
... in C use IEEE 754 encoding.
This type of encoding uses a sign, a significand, and an exponent.
Because of this encoding, many numbers will have small changes to allow them to be stored.
Also, the number of significant digits can change slightly since it is a binary representation, not a decimal ...