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What's the fastest way to merge/join data.frames in R?
.... GrothendieckG. Grothendieck
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How do you set, clear, and toggle a single bit?
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Any way to write a Windows .bat file to kill processes? [closed]
Every time I turn on my company-owned development machine, I have to kill 10+ processes using the Task Manager or any other process management app just to get decent performance out of my IDE. Yes, these are processes from programs that my company installs on my machine for security and compliance....
Optimistic vs. Pessimistic locking
I understand the differences between optimistic and pessimistic locking. Now could someone explain to me when I would use either one in general?
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How to add http:// if it doesn't exist in the URL?
How can I add http:// to a URL if it doesn't already include a protocol (e.g. http:// , https:// or ftp:// )?
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How do I get the YouTube video ID from a URL?
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