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How to get the original value of an attribute in Rails
...previous value.
For rails 5.1+
Copied from Lucas Andrade's answer below: https://stackoverflow.com/a/50973808/9359123
Appending _was is deprecated in rails 5.1, now you should append _before_last_save
Something like:
before_save object
do_something_with object.name_before_last_save
end
W...
WebException how to get whole response with a body?
... client.Encoding = Encoding.UTF8;
string content = client.DownloadString("https://sandiegodata.atlassian.net/wiki/pages/doaddcomment.action?pageId=524365");
Console.WriteLine(content);
Console.ReadKey();
} catch (WebException ex) {
var resp = new StreamReader(ex.Response.GetResponseStream()).Rea...
Get current date/time in seconds
...liseconds since epoch. No need to use new.
Check out the reference here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/now
(Not supported in IE8.)
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Is there a quick way to delete a file from a Jar / war without having to extract the jar and recreat
...ke the .RSA file zero-sized. This can be accomplished with just jar u. See https://stackoverflow.com/a/24678645/653539 . (Worked for me, though I admit it's hack.)
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Mongoose's find method with $or condition does not work properly
...ork. I had a similar problem and this solved it.
You can read more here: https://docs.mongodb.com/manual/reference/operator/query/or/
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iphone ios running in separate thread
...you execute threads in blocks with ease. You can copy the code from here.
https://medium.com/@umairhassanbaig/ios-how-to-perform-a-background-thread-and-main-thread-with-ease-11f5138ba380
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How to describe “object” arguments in jsdoc?
...
Resources
Useful information about documenting types can be found here:
https://jsdoc.app/tags-type.html
PS:
to document an optional value you can use []:
/**
* @param {number} [opt_number] this number is optional
*/
or:
/**
* @param {number|undefined} opt_number this number is optional...
Lightweight Javascript DB for use in Node.js [closed]
... API is the most commonly used subset of the very well-known MongoDB API.
https://github.com/louischatriot/nedb
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Setup RSpec to test a gem (not Rails)
...the only thing you need to have in your Gemfile is the following:
source "https://rubygems.org"
gemspec
This tells Bundler to look inside your gemspec file for the dependencies when you run bundle install.
Next up, make sure that RSpec is a development dependency of your gem. Edit the gemspec so...
Is it possible to pull just one file in Git?
... Add remote repository to be tracked for changes:
git remote add origin https://github.com/username/repository_name.git
# Track all changes made on above remote repository
# This will show files on remote repository not available on local repository
git fetch
# Add file present in staging area ...