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Detect when an image fails to load in Javascript
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So short and so useful! In order to just hide it: <img src="your/path/that/might/fail.png" onerror="$(this).hide();"/>
– J0ANMM
Mar 23 '18 at 10:17
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Remove ':hover' CSS behavior from element
...ssibly the cleanest and simplest way of doing it.
Example:
.test { border: 0px; }
.testhover:hover { border: 1px solid red; }
<div class="test"> blah </div>
<div class="test"> blah </div>
<div class="test testhover"> blah </div>
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Does a view exist in ASP.NET MVC?
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Here's how to do it in Razor for Core 2.2 etc. Note that the call is "GetView", not "Find View)
@using Microsoft.AspNetCore.Mvc.ViewEngines
@inject ICompositeViewEngine Engine
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@if (Engine.GetView(scriptName, scriptName, isMainPage: false).Success)
{
@await ...
Check if application is on its first run [duplicate]
...ever saved a boolean with that key or the user has cleared the app data in order to force a 'first run' scenario). If this isn't the first run then the line prefs.edit().putBoolean("firstrun", false).commit(); will have been executed and therefore prefs.getBoolean("firstrun", true) will actually ret...
Split code over multiple lines in an R script
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How to make gradient background in android
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Visual examples help with this kind of question.
Boilerplate
In order to create a gradient, you create an xml file in res/drawable. I am calling mine my_gradient_drawable.xml:
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android...
Decoding and verifying JWT token using System.IdentityModel.Tokens.Jwt
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Difference between single and double square brackets in Bash
...exicographically
using the current locale. The test command uses ASCII
ordering.
(The test command is identical to [ ] )
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Can't install RMagick 2.13.1. Can't find MagickWand.h.
...I am wrong, but this your first time installing anything ImageMagick ? In order for rmagick gem to function you need ImageMagick developer libraries, and all of their associated dependencies. So unfortunately, yes you do need all of those packages. On the plus side, your computer will have world ...
String.equals versus == [duplicate]
...g's equals() method:
It compares the Strings character by character, in order to come to a conclusion that they are indeed equal.
That's how the String equals method behaves. So datos[0].equals(usuario) will return true, because it performs a logical comparison.
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