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Map over object preserving keys
The map function in underscore.js, if called with a javascript object, returns an array of values mapped from the object's values.
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Can you get DB username, pw, database name in Rails?
I'm writing a rake task that does some DB work outside of Rails/ActiveRecord.
5 Answers
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How do you push a Git tag to a branch using a refspec?
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it push all your tags
– Dawid Drozd
Oct 1 '13 at 18:55
2
Note that this...
How can I get the sha1 hash of a string in node.js?
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Good idea. Note, however, that all objects (except arrays and null) will have the same sha1sum value since Object.toString() returns [object Object] by default. So sha1sum({}) === sha1sum({"foo":"bar"}) === sha1sum({"a":1}), etc...
How to get duration, as int milli's and float seconds from ?
...d Mar 7 '15 at 20:17
Billy The KidBilly The Kid
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How do I determine the target architecture of static library (.a) on Mac OS X?
... In my experience file often fails.
– Stefan Schmidt
Feb 13 '12 at 15:41
4
See the answer abo...
Automatic counter in Ruby for each?
...m}"
end
You can't do this with for. I usually like the more declarative call to each personally anyway. Partly because its easy to transition to other forms when you hits the limit of the for syntax.
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Measuring function execution time in R
...on multiple cores. In this case, the wall clock time measured through this call is accurate enough since the computer will be much busier with all cores calculating than doing anything else and the calculations take minutes or hours to complete. This is a very specific use case but worth mentioning....
Why are my basic Heroku apps taking two seconds to load?
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Pinging your server to keep it from idling is crapping in your own nest. These services you are talking about are free. They need to conserve resources. If everyone pings their server, none get swapped out, and the provider has to scale up. That costs ...
Can a JSON value contain a multiline string
... \n and \r you require.
The JSONLint tool confirms that your JSON is invalid.
Update: And if you want to write newlines inside your JSON syntax without actually including newlines in the data, then you're even doubly out of luck. While JSON is intended to be human-friendly to a degree, it is sti...