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how to permit an array with strong parameters
... types are String, Symbol, NilClass, Numeric, TrueClass, FalseClass, Date, Time, DateTime, StringIO, IO,
ActionDispatch::Http::UploadedFile and Rack::Test::UploadedFile.
To declare that the value in params must be an array of permitted scalar values map the key to an empty array:
params.perm...
jQuery same click event for multiple elements
...as variables (which is often a good idea if you're accessing them multiple times in a function body):
function disableMinHeight() {
var $html = $("html");
var $body = $("body");
var $slideout = $("#slideout");
$html.add($body).add($slideout).css("min-height", 0);
};
Takes advanta...
Delete files or folder recursively on Windows CMD
How do I delete files or folders recursively on Windows from the command line?
12 Answers
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How to enter command with password for git pull?
...stores the credentials indefinitely.
git config credential.helper 'cache --timeout=3600'- stores for 60 minutes
For ssh-based access, you'd use ssh agent that will provide the ssh key when needed. This would require generating keys on your computer, storing the public key on the remote server and ...
Regular expression to get a string between two strings in Javascript
I have found very similar posts, but I can't quite get my regular expression right here.
11 Answers
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What's the difference between a catalog and a schema in a relational database?
...kept.
In other words, the catalog contains detailed information (sometimes called descriptor information or metadata) regarding the various objects that are of interest to the system itself.
For example, the optimizer uses catalog information about indexes and other physical storage struc...
When to use LinkedList over ArrayList in Java?
...d array operations, the various methods will have different algorithmic runtimes.
For LinkedList<E>
get(int index) is O(n) (with n/4 steps on average), but O(1) when index = 0 or index = list.size() - 1 (in this case, you can also use getFirst() and getLast()). One of the main benefits of L...
How to parse an RSS feed using JavaScript?
...pi I used this source code on my own server. I encourage you to spend some time in performing some checks before posting.
– gouessej
Jun 28 at 8:39
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How to remove all MySQL tables from the command-line without DROP database permissions? [duplicate]
... CONCAT "DROP TABLE " must includes " IF EXIST ", this has been reduced my time.
– Govind Totla
Jan 9 '14 at 7:56
12
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CSS Pseudo-classes with inline styles
...
Another point for inline styles is lowering render times by using a virtual DOM. A CSS will need to scan the entire document for changes and applying its styles. This is eliminated by inline styles.
– Frederik Krautwald
May 22 '15 at 22:...