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Rails params explained?
Could anyone explain params in Rails controller: where they come from, and what they are referencing?
5 Answers
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How do I find files that do not contain a given string pattern?
How do I find out the files in the current directory which do not contain the word foo (using grep )?
16 Answers
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Akka Kill vs. Stop vs. Poison Pill?
Newbie question of Akka - I'm reading over Akka Essentials, could someone please explain the difference between Akka Stop/Poison Pill vs. Kill ? The book offers just a small explaination "Kill is synchronous vs. Poison pill is asynchronous." But in what way? Does the calling actor thread lock during...
Javascript: Extend a Function
The main reason why I want it is that I want to extend my initialize function.
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How to define @Value as optional
I have the following in a Spring bean:
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How to convert a Git shallow clone to a full clone?
Follow-up of this so-question: if I have a shallow clone, how to fetch all older commits to make it a full clone?
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Regular expression: find spaces (tabs/space) but not newlines
How can I have a regular expression that tests for spaces or tabs but not newlines. I tried \s but found out that it tests for newlines too.
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How to create cron job using PHP?
I'm new to using cron job. I don't even know how to write it. I have tried to search from internet, but I still don't understand it well. I want to create a cron job that will execute my code every minute. I'm using PHP to create it. It is not working.
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Get underlying NSData from UIImage
I can create UIImage from NSData using [UIImage imageWithData:] or [UIImage initWithData:] methods.
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Display current date and time without punctuation
For example, I want to display current date and time as the following format:
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