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Why must we define both == and != in C#?
...ity (left : Foo, right : Foo) = left.Prop <> right.Prop
This does exactly what it looks like. It creates an equality comparer on == only, and checks to see if the internal values of the class are equal.
While you can't create a class like this in C#, you can use one that was compiled for ....
What's the difference between ContentControl and ContentPresenter?
...for controls that contain other elements and have a Content-property (for example, Button).
ContentPresenter is used inside control templates to display content.
ContentControl, when used directly (it's supposed to be used as a base class), has a control template that uses ContentPresenter to disp...
Phase • Animations made easy! - Extensions - Kodular Community
...ar(--animation-state);
stroke: #fff;
stroke-width: 0.5px;
transform-origin: center;
opacity: 0;
r: max(1vw, 11px);
cy: 50%;
filter: saturate(2) opacity(0.85);
}
.dots:first-child {
fill: var(--quaternary...
Use of 'const' for function parameters
...st when necessary or do you go the whole hog and use it everywhere? For example, imagine a simple mutator that takes a single boolean parameter:
...
Composer: how can I install another dependency without updating old ones?
...nstall the package, and add it to composer.lock.
You can also specify an explicit version constraint by running:
composer require new/package ~2.5
–OR–
Using the update command, add the new package manually to composer.json, then run:
composer update new/package
If Composer complains,...
CSS content property: is it possible to insert HTML instead of Text?
...interpreted as markup, regardless of the document language in use.
As an example, using the given CSS with the following HTML:
<h1 class="header">Title</h1>
... will result in the following output:
<a href="#top">Back</a>Title
...
What are the best practices for JavaScript error handling?
... catch , finally , and throw , but I'm not finding a ton of advice from experts on when and where to throw errors.
5 Answ...
Version vs build in Xcode
I have an app that I developed with Xcode 3 and recently started editing with Xcode 4. In the target summary I have the iOS application target form with fields: identifier, version, build, devices, and deployment target. The version field is blank and the build field is 3.4.0 (which matches the vers...
Difference between objectForKey and valueForKey?
...nary method. An NSDictionary is a collection class similar to an NSArray, except instead of using indexes, it uses keys to differentiate between items. A key is an arbitrary string you provide. No two objects can have the same key (just as no two objects in an NSArray can have the same index).
val...