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Ruby: How to get the first character of a string
...= "Smith"
first_name = "John"
Then you can get the initials very cleanly and readably:
puts first_name.initial # prints J
puts last_name.initial # prints S
The other method mentioned here doesn't work on Ruby 1.8 (not that you should be using 1.8 anymore anyway!--but when this answer was p...
How do I find the duplicates in a list and create another list with them?
How can I find the duplicates in a Python list and create another list of the duplicates? The list only contains integers.
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Split a string by spaces — preserving quoted substrings — in Python
... Wow, impressive. You posted at the exact same time as @Jerub. And 2 minutes after the question!
– xaviersjs
Jul 10 at 17:04
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Regular expression to stop at first match
... community wiki
Daniel Vandersluis
34
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How can I parse a time string containing milliseconds in it with python?
... Thanks docs.python.org/library/datetime.html : New in version 2.6: time and datetime objects support a %f format code which expands to the number of microseconds in the object, zero-padded on the left to six places.
– ilkinulas
Mar 30 '09 at 18:01
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How to concatenate string variables in Bash
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It's specifically and only a plus-equals operator. That is, unlike Javascript, in Bash, echo $A+$B prints "X Y+Z"
– phpguru
Feb 13 '17 at 19:04
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Dynamically add script tag with src that may include document.write
... be s.src = src (i think?) i know this isn't pcg
– Brandito
Feb 22 '18 at 2:42
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Get the full URL in PHP
...oted string syntax is perfectly correct)
If you want to support both HTTP and HTTPS, you can use
$actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
Editor's note: using this code has security implica...
Removing numbers from string [closed]
...t()])
>>> result
'abcd'
This makes use of a list comprehension, and what is happening here is similar to this structure:
no_digits = []
# Iterate through the string, adding non-numbers to the no_digits list
for i in s:
if not i.isdigit():
no_digits.append(i)
# Now join all e...
What's the difference between dynamic (C# 4) and var?
...ing with C# v4, but I couldn't make out the difference between a "dynamic" and "var".
14 Answers
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