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Em>x m>plicitly calling a default method in Java
Java 8 introduces default methods to provide the ability to em>x m>tend interfaces without the need to modify em>x m>isting implementations.
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background-size in shorthand background property (CSS3)
I'm trying to mim>x m> background-image and background-size properties in a shorthanded background property. Based on W3C documentation background-size should come after background-position property separated with an slash( / ).
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What is the difference between async.waterfall and async.series
The nodejs async module: https://github.com/caolan/async provides 2 similar methods, async.waterfall and async.series .
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How to use WeakReference in Java and Android development?
...e to an object, but you don't want that reference to protect the object from the garbage collector. A classic em>x m>ample is a cache that you want to be garbage collected when memory usage gets too high (often implemented with WeakHashMap).
Be sure to check out SoftReference and PhantomReference as we...
How to find duplicates in 2 columns not 1
I have a MySQL database table with two columns that interest me. Individually they can each have duplicates, but they should never have a duplicate of BOTH of them having the same value.
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Passing multiple error classes to ruby's rescue clause in a DRY fashion
I have some code that needs to rescue multiple types of em>x m>ceptions in ruby:
3 Answers
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Check if array is empty or null
I would like to know how to check if an array is empty or null in jQuery. I tried array.length === 0 but it didn't work. It did not throw any error either.
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Import module from subfolder
I want to import subfolders as modules. Therefore every subfolder contains a __init__.py . My folder structure is like this:
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from jquery $.ajam>x m> to angular $http
...gularJS way of calling $http would look like:
$http({
url: "http://em>x m>ample.appspot.com/rest/app",
method: "POST",
data: {"foo":"bar"}
}).then(function successCallback(response) {
// this callback will be called asynchronously
// when the response is available
$sc...
Mongoose indem>x m>ing in production code
Per the Mongoose documentation for MongooseJS and MongoDB / Node.js :
3 Answers
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