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What does send() do in Ruby?
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send sends a message to an object instance and its ancestors in class hierarchy until some method reacts (because its name matches the first argument).
Practically speaking, those lines are equivalent:
1.send '+', 2
1.+(2)
1 + 2
Note that send bypasses visibility chec...
How do I create a comma-separated list from an array in PHP?
I know how to loop through items of an array using foreach and append a comma, but it's always a pain having to take off the final comma. Is there an easy PHP way of doing it?
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How to iterate over rows in a DataFrame in Pandas
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DataFrame.iterrows is a generator which yields both the index and row (as a Series):
import pandas as pd
import numpy as np
df = pd.DataFrame({'c1': [10, 11, 12], 'c2': [100, 110, 120]})
for index, row in df.iterrows():
print(row...
SVN: Is there a way to mark a file as “do not commit”?
With TortoiseSVN, I can move a file into the ignore-on-commit changelist, so that when I commit a whole tree, changes to that file do not get committed.
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“The remote certificate is invalid according to the validation procedure.” using Gmail SMTP server
... Warning: Do not use this in production code!
As a workaround, you can switch off certificate validation. Only ever do this to obtain confirmation that the error is being throw because of a bad certificate.
Call this method before you call smtpclient.Send():
[Obsolete("Do not use this in Pr...
How to check if the string is empty?
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edited Aug 7 '13 at 16:07
answered Mar 5 '12 at 20:10
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What is the --save option for npm install?
...pp/module, you would need to first install them, and then add them (along with the appropriate version number) to the dependencies section of your package.json.
The --save option instructed NPM to include the package inside of the dependencies section of your package.json automatically, thus saving...
What's the easiest way to call a function every 5 seconds in jQuery? [duplicate]
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edited Aug 29 '18 at 10:33
Vladimir verleg
2,87622 gold badges2525 silver badges4949 bronze badges
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Convert SVG image to PNG with PHP
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That's funny you asked this, I just did this recently for my work's site and I was thinking I should write a tutorial... Here is how to do it with PHP/Imagick, which uses ImageMagick:
$usmap = '/path/to/blank/us-map.svg';
$im = new Imagick();
$svg = file_get_contents($usmap);
/*loop to color...
How to print number with commas as thousands separators?
I am trying to print an integer in Python 2.6.1 with commas as thousands separators. For example, I want to show the number 1234567 as 1,234,567 . How would I go about doing this? I have seen many examples on Google, but I am looking for the simplest practical way.
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