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How to hide image broken Icon using only CSS/HTML?
...o have to use JavaScript no matter what
But here is a minimal method for either hiding the image, or replacing the source with a backup.
<img src="Error.src" onerror="this.style.display='none'"/>
or
<img src="Error.src" onerror="this.src='fallback-img.jpg'"/>
Update
You can appl...
How and why do I set up a C# build machine? [closed]
I'm working with a small (4 person) development team on a C# project. I've proposed setting up a build machine which will do nightly builds and tests of the project, because I understand that this is a Good Thing. Trouble is, we don't have a whole lot of budget here, so I have to justify the expen...
Design Patterns: Abstract Factory vs Factory Method
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Hope this helps. It describes the various types of factories. I used Head First Design Patterns as my reference. I used yuml.me to diagram.
Static Factory
Is a class with a Static Method to product various sub types of Product.
Simple Fa...
javac is not recognized as an internal or external command, operable program or batch file [closed]
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TL;DR
For experienced readers:
Find the Java path; it looks like this: C:\Program Files\Java\jdkxxxx\bin\
Start-menu search for "environment variable" to open the options dialog.
Examine PATH. Remove old Java paths.
Add the new Java path to PATH.
Edit JAVA_HOME.
Close and re-...
Get color value programmatically when it's a reference (theme)
... color = typedValue.data;
Also make sure to apply the theme to your Activity before calling this code. Either use:
android:theme="@style/Theme.BlueTheme"
in your manifest or call (before you call setContentView(int)):
setTheme(R.style.Theme_BlueTheme)
in onCreate().
I've tested it with you...
Delete multiple records using REST
What is the REST-ful way of deleting multiple items?
5 Answers
5
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What is an idempotent operation?
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In computing, an idempotent operation is one that has no additional effect if it is called more than once with the same input parameters. For example, removing an item from a set can be considered an idempotent operation on the set.
In mathematics, an idempotent operation is one wher...
Should it be “Arrange-Assert-Act-Assert”?
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This is not the most common thing to do, but still common enough to have its own name. This technique is called Guard Assertion. You can find a detailed description of it on page 490 in the excellent book xUnit Test Patterns by Gerard Meszaros (highly recommended).
Normally, I don't use this patt...
Dependent DLL is not getting copied to the build output folder in Visual Studio
...the start up and uses other projects.
There is one project say "ProjectX". Its reference is added to main project.
The ProjectX references another .NET dll (say abc.dll) that isn't part of the solution.
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Running the new Intel emulator for Android
...e previous version (which has emulated ARM CPU). Here are some links about it: this and this .
16 Answers
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