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What is the difference between pluck and collect in Rails?
Here are two sample codes.
4 Answers
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What exactly does the Access-Control-Allow-Credentials header do?
I'm trying to understand how to use CORS and am confused about what the Access-Control-Allow-Credentials header does.
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Difference between repository and service?
What's the difference between a repository and a service? I don't seem to grasp it.
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AsyncTaskLoader vs AsyncTask
Since Honeycomb and the v4 Compatibility Library it is possible to use AsyncTaskLoader . From what I understand, the AsyncTaskLoader can survive through config changes like screen flips.
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OSError: [Errno 2] No such file or directory while using python subprocess in Django
I am trying to run a program to make som>me m> system calls inside Python code using subprocess.call() which throws the following error:
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awk without printing newline
I want the variable sum/NR to be printed side-by-side in each iteration. How do we avoid awk from printing newline in each iteration ? In my code a newline is printed by default in each iteration
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Double not (!!) operator in PHP
...egardless of the operand. Then the left ! will negate that boolean.
This m>me m>ans that for any true value (numbers other than zero, non-empty strings and arrays, etc.) you will get the boolean value TRUE, and for any false value (0, 0.0, NULL, empty strings or empty arrays) you will get the boolean v...
“simple” vs “current” push.default in git for decentralized workflow
...eaking, in a decentralized workflow, I don't see the difference between simple and current options for push.default config setting.
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Truncate a list to a given number of elem>me m>nts
What m>me m>thod truncates a list--for example to the first 100 elem>me m>nts--discarding the others (without iterating through individual elem>me m>nts)?
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JQuery .on() m>me m>thod with multiple event handlers to one selector
Trying to figure out how to use the Jquery .on() m>me m>thod with a specific selector that has multiple events associated with it. I was previously using the .live() m>me m>thod, but not quite sure how to accomplish the sam>me m> feat with .on(). Please see my code below:
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