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What is `params.require(:person).permit(:name, :age)` doing in Rails 4?
...itted? means the parameter object can be used in mass assignment; else the app will throw a ForbiddenAttributes error.
– sameers
Nov 13 '13 at 18:05
3
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MySQL Data - Best way to implement paging?
My iPhone app connects to my PHP web service to retrieve data from a MySQL database. A request can return 500 results.
7 An...
Twitter Bootstrap alert message close and open again
...e used if you are lazy (which is no good thing if you want an maintainable app).
The do-it-right method:
Create a new data attribute for hiding an element.
Javascript:
$(function(){
$("[data-hide]").on("click", function(){
$("." + $(this).attr("data-hide")).hide()
// -or-, se...
Qt events and signal/slots
...rived
from the abstract QEvent class, that
represent things that have happened
either within an application or as a
result of outside activity that the
application needs to know about.
Events can be received and handled by
any instance of a QObject subclass,
but they are especially r...
Testing modules in rspec
...ch one of your specs and in the next spec where you decide to use the same approach and reopen the DummyClass definition it might already contain something (though in this trivial example the definition is strictly empty, in real life use cases it's likely that something gets added at some point and...
Favorite Django Tips & Features?
...
@becomingGuru - it happens automatically.
– Dominic Rodger
Jun 19 '09 at 9:06
15
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Enable zooming/pinch on UIWebView
...le = 1; // set as you want.
//// Below two line is for iOS 6, If your app only supported iOS 7 then no need to write this.
webView.scrollView.zoomScale = 2;
webView.scrollView.zoomScale = 1;
}
#pragma mark -
#pragma mark - UIScrollView Delegate Methods
- (void)scrollViewDidEndZooming:...
How to resize an Image C#
...
This is very helpfull, and i am using this in my app. However its important to note that this algorithm does not work with transparent imagens.. It turns all transparent pixels to black. Its probably easy to fix, but its just a note for users. :)
– mem...
How to use conditional breakpoint in Eclipse?
...
Thanks, appreciate it
– user195488
Apr 4 '13 at 0:22
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How to use the “number_to_currency” helper method in the model rather than view?
...s a slippery slope from “well just this one thing” to a bloated model. App helpers in Rails are a junk-drawer, presenters/view-models are easier to manage. I don’t see creating the data for a report and generating the (html|pdf|csv|etc.) view of that data as a single responsibility any more th...