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How do I create an abstract base class in JavaScript?
...imal = function() {
if (this.constructor === Animal) {
throw new Error("Can't instantiate abstract class!");
}
// Animal initialization...
};
/**
@abstract
*/
Animal.prototype.say = function() {
throw new Error("Abstract method!");
}
The Animal "class" and the say method a...
Android: failed to convert @drawable/picture into a drawable
...xact same size in the same folder, and try to reference it, is flags up an error "Failed to convert @drawable/picture into a drawable" . I have tried the same image with a different name and it just keeps giving me that error. I have also tried it in a different XML layout and the same thing. Also ...
Try catch statements in C
...
You use goto in C for similar error handling situations.
That is the closest equivalent of exceptions you can get in C.
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How to log something in Rails in an independent log file?
...initializer:
MultiLogger.add_logger('post')
and call
Rails.logger.post.error('hi')
# or call logger.post.error('hi') if it is accessible.
and you are done.
If you want to code it yourself, see below:
A more complete solution would be to place the following in your lib/ or config/initialize...
NoClassDefFoundError - Eclipse and Android
...g fine. Since having added the scoreninja jar, I now get a NoClassDefFoundError when I try to run the app.
27 Answers
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How to solve the error LNK2019: unresolved external symbol - function?
I get this error, but I don't know how to fix it.
11 Answers
11
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Error deploying ClickOnce application - Reference in the manifest does not match the identity of the
...a ClickOnce application, but installation fails on the client. Here's the error log:
20 Answers
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How to validate inputs dynamically created using ng-repeat, ng-show (angular)
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AngularJS relies on input names to expose validation errors.
Unfortunately, as of today, it is not possible (without using a custom directive) to dynamically generate a name of an input. Indeed, checking input docs we can see that the name attribute accepts a string only.
To ...
VBoxManage: error: Failed to create the host-only adapter
... virtual box 4.3 on fedora 17 machine. When I do "vagrant up", I get this error:
32 Answers
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How to fix error “Updating Maven Project”. Unsupported IClasspathEntry kind=4?
... the project. When m2e encounters a "var" .classpath entry, it throws this error.
The update sites are specified at the following url:
http://eclipse.org/m2e/m2e-downloads.html
If you can't use m2e 1.5.0 for any reason, then :
Disable the maven nature for the project (via the right-click menu...