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How do I use vim registers?
I only know of one instance using registers is via Ctrl R * whereby I paste text from a clipboard.
16 Answers
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Version number comparison in Python
I want to write a cmp -like function which compares two version numbers and returns -1 , 0 , or 1 based on their compared valuses.
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Detect Browser Language in PHP
I use the following PHP script as index for my website.
12 Answers
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Group by multiple columns in dplyr, using string vector input
I'm trying to transfer my understanding of plyr into dplyr, but I can't figure out how to group by multiple columns.
9 Answ...
Where can I get a list of Ansible pre-defined variables?
I see that Ansible provide some pre-defined variables that we can use in playbooks and template files. For example, the host ip address is ansible_eth0.ipv4.address. Googleing and searching the docs I cound't find a list of all available variables. Would someone list them for me?
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Why do people say there is modulo bias when using a random number generator?
I have seen this question asked a lot but never seen a true concrete answer to it. So I am going to post one here which will hopefully help people understand why exactly there is "modulo bias" when using a random number generator, like rand() in C++.
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How to get the type of a variable in MATLAB?
Does MATLAB have a function/operator that indicates the type of a variable (similar to the typeof operator in JavaScript)?
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Changing iframe src with Javascript
I am trying to change an <iframe src=... > when someone clicks a radio button. For some reason my code is not working correctly and I am having trouble figuring out why. Here is what I have:
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Change the Right Margin of a View Programmatically?
Can this attribute be changed dynamically in Java code?
4 Answers
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Python - Create a list with initial capacity
Code like this often happens:
9 Answers
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