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How can I pretty-print JSON in a shell script?
Is there a (Unix) shell script to format JSON in human-readable form?
55 Answers
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How to use redis PUBLISH/SUBSCRIBE with nodejs to notify clients when data values change?
I'm writing an event-driven publish/subscribe application with NodeJS and Redis. I need an example of how to notify web clients when the data values in Redis change.
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PHP + MySQL transactions examples
I really haven't found normal example of PHP file where MySQL transactions are being used. Can you show me simple example of that?
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Execute a command line binary with Node.js
I am in the process of porting a CLI library from Ruby over to Node.js. In my code I execute several third party binaries when necessary. I am not sure how best to accomplish this in Node.
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Does a break statement break from a switch/select?
I know that switch / select statements break automatically after every case. I am wondering, in the following code:
6 Ans...
Load Testing with AB … fake failed requests (length)
To do some load testing, for my own curiosity, on my server I ran:
3 Answers
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rbenv not changing ruby version
I installed rbenv according to the github directions. I am running OSX but I have tried this on a Ubuntu 12.04 VM and got the same results. The following is what i get in my terminal when I try to change ruby versions:
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Set a default parameter value for a JavaScript function
I would like a JavaScript function to have optional arguments which I set a default on, which get used if the value isn't defined (and ignored if the value is passed). In Ruby you can do it like this:
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How do I check if an element is really visible with JavaScript? [duplicate]
In JavaScript, how would you check if an element is actually visible?
16 Answers
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What is the difference between gsub and sub methods for Ruby Strings
...iced before. I've been using :gsub and it appears that they are essentially the same. Can anyone explain the difference to me? Thanks!
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