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OO Design in Rails: Where to put stuff
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Because Rails provides structure in terms of MVC, it's natural to end up using only the model, view, and controller containers that are provided for you. The typical idiom for beginners (and even some intermediate programmers) is to cram all l...
Accessing JPEG EXIF rotation data in JavaScript on the client side
...readAsArrayBuffer(file);
}
// usage:
var input = document.getElementById('input');
input.onchange = function(e) {
getOrientation(input.files[0], function(orientation) {
alert('orientation: ' + orientation);
});
}
<input id='input' type='file' />
values:
-2: n...
Xcode “Build and Archive” from command line
Xcode 3.2 provides an awesome new feature under the Build menu, "Build and Archive" which generates an .ipa file suitable for Ad Hoc distribution. You can also open the Organizer, go to "Archived Applications," and "Submit Application to iTunesConnect."
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What is the difference between window, screen, and document in Javascript?
.... This window object has the majority of the properties like length, innerWidth, innerHeight, name, if it has been closed, its parents, and more.
What about the document object then? The document object is your html, aspx, php, or other document that will be loaded into the browser. The document a...
Executing injected by innerHTML after AJAX call
... you can use the dynamic script pattern to accomplish your goal. The basic idea is to move the script that you want to execute into an external file and create a script tag when you get your Ajax response. You then set the src attribute of your script tag and voila, it loads and executes the externa...
passing 2 $index values within nested ng-repeat
... @Oddman even though this is possible I don't think its a good idea as you then hard wire your loadFromMenu to run at a context of an object that has a scope with an $index and a parent scope with an $index. suppose you then for example create groups within the menu that generate another...
Polymorphism with gson
...the derived classes: just one adapter for the base class or interface, provided of course that you are happy with the default serialization of the derived classes. Anyway, here's the code (package and imports removed) (also available in github):
The base class (interface in my case):
public interf...
Creating virtual directories in IIS express
...t in
Users\<username>\Documents\IISExpress\config folder.
Inside you can find the sites section that hold a section for each IIS Express configured site.
Add (or modify) a site section like this:
<site name="WebSiteWithVirtualDirectory" id="20">
<application path="/" appl...
How can you dynamically create variables via a while loop? [duplicate]
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@eyquem I did not give any specific way to create the key because I know nothing about the naming scheme the OP needs in practice. Instead I just gave the most generic and clean scheme possible to solve the problem.
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How to download Xcode DMG or XIP file?
...opment tools on https://developer.apple.com/download/more/ (requires Apple ID to login).
You must login to have a valid session before downloading anything below.
*(Newest on top. For each minor version (6.3, 5.1, etc.) only the latest revision is kept in the list.)
Xcode 12
12.2 beta
12 (Requires...