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How to convert an NSTimeInterval (seconds) into minutes
...e iOS 8 or OS X 10.10, this just got a lot easier. The new NSDateComponentsFormatter class allows you to convert a given NSTimeInterval from its value in seconds to a localized string to show the user. For example:
Objective-C
NSTimeInterval interval = 326.4;
NSDateComponentsFormatter *componentF...
How to copy a file to a remote server in Python using SCP or SSH?
...nation])
sts = os.waitpid(p.pid, 0)
Where destination is probably of the form user@remotehost:remotepath. Thanks to
@Charles Duffy for pointing out the weakness in my original answer, which used a single string argument to specify the scp operation shell=True - that wouldn't handle whitespace in p...
How can I sharpen an image in OpenCV?
...
You can sharpen an image using an unsharp mask. You can find more information about unsharp masking here. And here's a Python implementation using OpenCV:
import cv2 as cv
import numpy as np
def unsharp_mask(image, kernel_size=(5, 5), sigma=1.0, amount=1.0, threshold=0):
"""Return a sha...
Rename an environment with virtualenvwrapper
...ning that cpvirtualenv may not work properly due to some hard-coded path information. Here's the docs: virtualenvwrapper.readthedocs.org/en/latest/…
– modulitos
Jun 1 '15 at 8:44
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Why is subtracting these two times (in 1927) giving a strange result?
...ticed this because I'm collecting questions like this in Noda Time, in the form of unit tests... The test has now been changed, but it just goes to show - not even historical data is safe.
EDIT: History has changed again...
In TZDB 2014f, the time of the change has moved to 1900-12-31, and it's no...
C++: variable 'std::ifstream ifs' has initializer but incomplete type
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How to lock compiled Java classes to prevent decompilation?
... Excelsior JET, for example, that compile your Java code directly to a platform specific native binary.
In any case You've got to remember that as the saying goes in Estonian "Locks are for animals". Meaning that every bit of code is available (loaded into memory) during the runtime and given enoug...
How to calculate the number of days between two dates? [duplicate]
...ng the input from a jquery datepicker or a regular normal date, subtract 1 form the month
– Robert Mennell
Oct 13 '15 at 23:07
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What does upstream mean in nginx?
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Why is document.write considered a “bad practice”?
... way that the script is placed within the content, which is considered bad-form.
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