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How do I manage MongoDB connections in a Node.js web application?
I'm using the node-mongodb-native driver with MongoDB to write a website.
11 Answers
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How can I remove all objects but one from the workspace in R?
I have a workspace with lots of objects and I would like to remove all but one. Ideally I would like to avoid having to type rm(obj.1, obj.2... obj.n) . Is it possible to indicate remove all objects but these ones ?
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How do I paste multi-line bash codes into terminal and run it all at once?
I need to paste a multi-line bash code into terminal, but whenever I do, each line gets run as a separate command as soon as it gets pasted.
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How to stop a goroutine
I have a goroutine that calls a method, and passes returned value on a channel:
6 Answers
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Redeploy alternatives to JRebel [closed]
JRebel allows for newly compiled code to be redeployed without restarting the application. I am wondering if there are any alternative (free?). The FAQ page answers this question, but I am sure it's biased towards JRebel. This question was asked a year ago on this site, but I am bringing it ba...
How Do I Take a Screen Shot of a UIView?
I am wondering how my iPhone app can take a screen shot of a specific UIView as a UIImage .
15 Answers
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Setting an environment variable before a command in Bash is not working for the second command in a
In a given shell, normally I'd set a variable or variables and then run a command. Recently I learned about the concept of prepending a variable definition to a command:
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Select row with most recent date per user
I have a table ("lms_attendance") of users' check-in and out times that looks like this:
11 Answers
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Fastest way to convert JavaScript NodeList to Array?
Previously answered questions here said that this was the fastest way:
13 Answers
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Useless use of cat?
This is probably in many FAQs - instead of using:
9 Answers
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