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Function to Calculate Median in SQL Server
...n aggregate function in Transact-SQL. However, I would like to find out whether it is possible to create this functionality (using the Create Aggregate function, user defined function, or some other method).
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Concurrent vs serial queues in GCD
...patch a task SYNC the code will block until that tasks finishes, no matter what queue it's executed on?
– Bogdan Alexandru
Oct 4 '13 at 11:22
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unit testing of private functions with mocha and node.js
...ere I determined that testing a private function is the right thing to do, what I've done is set some environment variable that my module checks to determine whether it is running in a test setup or not. If it runs in the test setup, then it exports additional functions that I can then call during t...
How to overlay images
I want to overlay one image with another using CSS. An example of this is the first image (the background if you like) will be a thumbnail link of a product, with the link opening a lightbox / popup showing a larger version of the image.
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How can I find the length of a number?
I'm looking to get the length of a number in JavaScript or jQuery?
13 Answers
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How to generate an entity-relationship (ER) diagram using Oracle SQL Developer
...ick Next.
Check one or more objects to import.
Click Next.
Click Finish.
The ERD is displayed.
Export the diagram as follows:
Click File → Data Modeler → Print Diagram → To Image File.
Browse to and select the export file location.
Click Save.
The diagram is exported. To export in a vec...
How do I wait for an asynchronously dispatched block to finish?
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this was exactly what I was looking for. Thanks! @PeterWarbo no you don't. The use of ARC removes the need to do a dispatch_release()
– Hulvej
Jul 10 '13 at 9:34
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Allowed characters in filename [closed]
Where can I find a list of allowed characters in filenames, depending on the operating system?
(e.g. on Linux, the character : is allowed in filenames, but not on Windows)
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Test PHP headers with PHPUnit
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The issue is that PHPUnit will print a header to the screen and at that point you can't add more headers.
The work around is to run the test in an isolated process. Here is an example
<?php
class FooTest extends PHPUnit...
How do we use runOnUiThread in Android?
I'm new to Android and I'm trying to use the UI-Thread, so I've written a simple test activity. But I think I've misunderstood something, because on clicking the button - the app does not respond anymore
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