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Why would you use Expression rather than Func?
...s what a lambda expression does rather than doing the actual thing. It basically holds data about the composition of expressions, variables, method calls, ... (for example it holds information such as this lambda is some constant + some parameter). You can use this description to convert it to an ac...
Blank HTML SELECT without blank item in dropdown list
...at you're looking for and it is easy to put this in functions that may get called on your page if you need to blank out the drop down without reloading the page.
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Mocking static methods with Mockito
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I created a tool to automatically generate Java 8 "mixin" interfaces which wrap static calls: github.com/aro-tech/interface-it The generated mixins can be mocked like any other interface, or if your class under test "implements" the interface you can ov...
jQuery get value of selected radio button
...fuse you when you're used to seeing "" as the default value via the .val() call.
– xji
Jan 8 '18 at 22:30
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Android: how to handle button click
...anonymous classes can be factored out into a separate helper method that's called from onCreate().
– Nick Alexeev
Feb 29 '16 at 7:28
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What is the easiest way to duplicate an activerecord record?
...the same as the original task. Using Task.new, you will have to explicitly call save, so if you want it saved automatically, change Task.new to Task.create.
Peace.
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Is there an equivalent for var_dump (PHP) in Javascript?
... does something similar to a PHP var_dump. It only dumps one variable per call, but it indicates the data type as well as the value and it iterates through array's and objects [even if they are Arrays of Objects and vice versa]. I'm sure this can be improved on. I'm more of a PHP guy.
/**
* Doe...
How do I unbind “hover” in jQuery?
...er" event was deprecated in favour of the standard "mouseenter mouseleave" calls. So your event binding declaration should now look like this:
$('#myElement').off('mouseenter mouseleave');
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In pure functional languages, is there an algorithm to get the inverse function?
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In some cases, yes! There's a beautiful paper called Bidirectionalization for Free! which discusses a few cases -- when your function is sufficiently polymorphic -- where it is possible, completely automatically to derive an inverse function. (It also discusses what make...
How to copy Docker images from one host to another without using a repository
...ad < my-image.tar.gz is sufficient. The image gets decompressed automatically for gzip, bzip2, and xz.
– Flux
Apr 4 '18 at 2:41
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