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How can you profile a Python script?
Project Euler and other coding contests often have a maximum time to run or people boast of how fast their particular solution runs. With Python, sometimes the approaches are somewhat kludgey - i.e., adding timing code to __main__ .
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how get yesterday and tomorrow datetime in c#
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...and that could be the detailed part of your answer :).
– C4d
Jun 16 '15 at 10:31
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What is difference between Collection.stream().forEach() and Collection.forEach()?
I understand that with .stream() , I can use chain operations like .filter() or use parallel stream. But what is difference between them if I need to execute small operations (for example, printing the elements of the list)?
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How to change XAMPP apache server port?
...at (integrated to XAMPP Control Panel).
Then you can see all used ports and here we see that the 80port is already used by System.
Choose a free port number (8012, for this exemple).
2. Edit the file "httpd.conf"
This file should be found in C:\xampp\apache\conf on Windows or in bin/apach...
Hidden features of Perl?
...ation when looping through the records (usually lines) returned by a file handle, without using a flag variable:
while(<$fh>)
{
next if 1..1; # skip first record
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}
Run perldoc perlop and search for "flip-flop" for more information and examples.
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Finding the mode of a list
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You can use the max function and a key. Have a look at python max function using 'key' and lambda expression.
max(set(lst), key=lst.count)
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Loop through an array in JavaScript
... //Do something
}
Pros
Works on every environment
You can use break and continue flow control statements
Cons
Too verbose
Imperative
Easy to have off-by-one errors (sometimes also called a fence post error)
2. Array.prototype.forEach
The ES5 specification introduced a lot of beneficial arr...
Generate a heatmap in MatPlotLib using a scatter data set
...ou can use numpy's histogram2d function:
import numpy as np
import numpy.random
import matplotlib.pyplot as plt
# Generate some test data
x = np.random.randn(8873)
y = np.random.randn(8873)
heatmap, xedges, yedges = np.histogram2d(x, y, bins=50)
extent = [xedges[0], xedges[-1], yedges[0], yedges[...
Why does this assert throw a format exception when comparing structures?
I'm trying to assert the equality of two System.Drawing.Size structures, and I'm getting a format exception instead of the expected assert failure.
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AWS S3 copy files and folders between two buckets
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Copy between S3 Buckets
AWS (just recently) released a command line interface for copying between buckets.
http://aws.amazon.com/cli/
$ aws s3 sync s3://mybucket-src s3://mybucket-target --exclude *.tmp
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This will copy from one target bucket to another bucket.
See the documen...