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form_for with nested resources
... at http://edgeguides.rubyonrails.org/routing.html#creating-paths-and-urls-from-objects
For example, inside a collections partial with comment_item supplied for iteration,
<%= link_to "delete", article_comment_path(@article, comment_item),
:method => :delete, :confirm => "Really?" %...
Node package ( Grunt ) installed but not available
...Now you can install the current version of Grunt local to your project. So from your project's location...
npm install grunt --save-dev
The save-dev switch isn't strictly necessary but is a good idea because it will mark grunt in its package.json devDependencies section as a development only modu...
Bootstrap 3: pull-right for col-lg only
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Try this LESS snippet (It's created from the examples above & the media query mixins in grid.less).
@media (min-width: @screen-sm-min) {
.pull-right-sm {
float: right;
}
}
@media (min-width: @screen-md-min) {
.pull-right-md {
float: right;
}
}
@media ...
Asynchronous vs synchronous execution, what does it really mean? [closed]
...
The terms come from engineering. en.wikipedia.org/wiki/Asynchronous_system
– Tom Padilla
Jan 28 '16 at 15:50
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AngularJS - How can I do a redirect with a full page load?
I want to do a redirect that does a full page reload so that the cookies from my web server are refreshed when the page loads. window.location = "/#/Next" and window.location.href = "/#/Next" don't work, they do an Angular route which does not hit the server.
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What is routes.IgnoreRoute(“{resource}.axd/{*pathInfo}”)
...HttpHandler.
Therefore, you should keep this rule, to prevent ASP.NET MVC from trying to handle the request instead of letting the dedicated HttpHandler do it.
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Infinite scrolling with React JS
...zed/#/components/CellMeasurer.
Update November 2018
A lot of the lessons from react-virtualized have been ported to the smaller, faster, more efficient react-window library from the same author.
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std::cin input with spaces?
...change one line instead of two lines. Change 2 would be to test the return from cin.getline() by using, for example, if (!cin.getline(input, sizeof(input))) { ...handle EOF or error... } or something similar, to remind the OP that input operations, in particular, are vulnerable to unexpected behavio...
How to check if an object is a generator object in python?
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You can use GeneratorType from types:
>>> import types
>>> types.GeneratorType
<class 'generator'>
>>> gen = (i for i in range(10))
>>> isinstance(gen, types.GeneratorType)
True
...
Why does int num = Integer.getInteger(“123”) throw NullPointerException?
...t do what you think it does
It returns null in this case
the assignment from Integer to int causes auto-unboxing
Since the Integer is null, NullPointerException is thrown
To parse (String) "123" to (int) 123, you can use e.g. int Integer.parseInt(String).
References
Java Language Guide/Au...