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Calling filter returns [duplicate]
...ten) want to do the filtering in a lazy sense -- You don't need to consume all of the memory to create a list up front, as long as the iterator returns the same thing a list would during iteration.
If you're familiar with list comprehensions and generator expressions, the above filter is now (alm...
ASP.NET MVC: Custom Validation by DataAnnotation
...ationContext.ObjectInstance, null)).OfType<string>();
var totalLength = values.Sum(x => x.Length) + Convert.ToString(value).Length;
if (totalLength < this.MinLength)
{
return new ValidationResult(this.FormatErrorMessage(validationContext.DisplayName));...
Image Greyscale with CSS & re-color on mouse-over?
...rayscale(100%);
/* Chrome 19+ & Safari 6+ */
-webkit-transition: all .6s ease;
/* Fade to color for Chrome and Safari */
-webkit-backface-visibility: hidden;
/* Fix for transition flickering */
}
img.grayscale:hover {
filter: none;
-webkit-filter: grayscale(0%);
}
sv...
Using IoC for Unit Testing
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Using containers with ability to resolve unregistered/uknown services like SimpleInjector, DryIoc (its mine) can return mocks for not yet implemented interfaces.
Which means that you can start development with first simple implementation and its mocked dependencies, and replace them w...
Add data annotations to a class generated by entity framework
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The generated class ItemRequest will always be a partial class. This allows you to write a second partial class which is marked with the necessary data annotations. In your case the partial class ItemRequest would look like this:
using System.ComponentModel;
using System.ComponentModel.DataAn...
Turn off Visual Studio Attach security warning when debugging IIS
...p regedit, save this gist as a *.reg file and run it (imports the keys for all VS versions lower than VS2017).
Visual Studio 2017
The configuration is saved in a private registry location, see this answer: https://stackoverflow.com/a/41122603/67910
For VS 2017, save this gist as a *.ps1 file an...
How do I use shell variables in an awk script?
...z0-9]+)$/,"image: registryabc.azurecr. io/{print repo}:{print tag}");}1' ./services/appscompose.yaml >> newcompose.yaml. Is because of the nested parenthesis {?
– Darion Badlydone
Oct 29 '19 at 11:10
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Putting git hooks into repository
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I generally agree with Scytale, with a couple additional suggestions, enough that it's worth a separate answer.
First, you should write a script which creates the appropriate symlinks, especially if these hooks are about enforcing ...
Attach parameter to button.addTarget action in Swift
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I appreciate everyone saying use tags, but really you need to extend the UIButton class and simply add the object there..
Tags are a hopeless way round this. Extend the UIButton like this (in Swift 4)
import UIKit
class PassableUIButton: UIButton{
var params: Dic...
Git: fatal: Pathspec is in submodule
I'm trying to get TravisCI to automatically deploy my Hakyll static site, according to this guide .
5 Answers
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