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Rails: How can I set default values in ActiveRecord?
...uper!
Using a plugin like phusion's is getting a bit ridiculous. This is ruby, do we really need a plugin just to initialize some default values?
Overriding after_initialize is deprecated as of Rails 3. When I override after_initialize in rails 3.0.3 I get the following warning in the console:
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how to listen to N channels? (dynamic select statement)
...recv Value, recvOK bool)
Select executes a select operation described by the list of cases. Like
the Go select statement, it blocks until at least one of the cases can
proceed, makes a uniform pseudo-random choice, and then executes that
case. It returns the index of the chosen case and, ...
How to find unused images in an Xcode project?
... unused images in an Xcode project? (Assuming all the files are referenced by name in code or the project files - no code generated file names.)
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how to customize `show processlist` in mysql?
I want to order by Time,but seems no way to do that ?
6 Answers
6
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Java Pass Method as Parameter
I am looking for a way to pass a method by reference. I understand that Java does not pass methods as parameters, however, I would like to get an alternative.
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What is the difference between GitHub and gist?
...site, namely code snippets akin to pastebin. However, everything is driven by git revision control, so gists also have complete revision histories.
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How can I scale the content of an iframe?
...nt for Firefox. For some reason, in Firefox when you scale the object down by 75%, it still uses the original size of the image for layout reasons. (Try removing the div from the sample code above and you'll see what I mean.)
I found some of this from this question.
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How do you prevent install of “devDependencies” NPM modules for Node.js (package.json)?
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npmjs.org/doc/cli/npm-install.html "By default, npm install will install all modules listed as dependencies. With the --production flag, npm will not install modules listed in devDependencies."
– tomByrer
Sep 29 '14 at 14:...
return query based on date
....because javascript's .getTime() returns milliseconds you need to mulitply by 1000 before you use it as input to the new Date() constructor.
db.things.find({
createdAt: {
$gte: new Date(new Date().getTime()-60*5*1000).toISOString()
}
})
.count()
Explanation ...
Git clone without .git directory
...something else entirely. Therefore I suggest your answer could be improved by explicitly specifying the name dirformynewrepo as an argument to the rm command as it will make the connection between both commands much clearer.
– davidA
Aug 22 '18 at 21:32
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