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Finding the index of an item in a list
Given a list ["foo", "bar", "baz"] and an item in the list "bar" , how do I get its index ( 1 ) in Python?
31 Answers
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Is there anything like .NET's NotImplementedException in Java?
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I didn't mean it was worse, just had a different use case.
– Dykam
Feb 25 '10 at 5:46
6
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composer: How to find the exact version of a package?
...is was shown in previous versions of Composer only when using the now-deprecated -i option.)
To see more details, specify the name of the package as well:
composer.phar show monolog/monolog
That will show many things, including commit MD5 hash, source URL, license type, etc.
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PowerShell and the -contains operator
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@8DH - very good catch :) . Having re-read the question I think I need to clarify the difference between the Contains powershell operator and the .Contains() .NET String method.
– Kev
Nov 30 '16 at 11:08...
How do I parse command line arguments in Bash?
Say, I have a script that gets called with this line:
37 Answers
37
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Check if database exists in PostgreSQL using shell
I was wondering if anyone would be able to tell me about whether it is possible to use shell to check if a PostgreSQL database exists?
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Rails has_many with alias name
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To complete @SamSaffron's answer :
You can use class_name with either foreign_key or inverse_of. I personally prefer the more abstract declarative, but it's really just a matter of taste :
class BlogPost
has_many :images, class_name: "BlogPostImage", inverse_of...
How to split a large text file into smaller files with equal number of lines?
I've got a large (by number of lines) plain text file that I'd like to split into smaller files, also by number of lines. So if my file has around 2M lines, I'd like to split it up into 10 files that contain 200k lines, or 100 files that contain 20k lines (plus one file with the remainder; being ev...
How can I convert an RGB image into grayscale in Python?
I'm trying to use matplotlib to read in an RGB image and convert it to grayscale.
12 Answers
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Duplicate headers received from server
...thought I would throw in the answer I found from Chrome, pdf display, Duplicate headers received from the server
Basically my problem also was that the filename contained commas. Do a replace on commas to remove them and you should be fine. My function to make a valid filename is below.
publ...