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What is Scala's yield?
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It is used in sequence comprehensions (like Python's list-comprehensions and generators, where you may use yield too).
It is applied in combination with for and writes a new element into the resulting sequence.
Simple examp...
When is it better to use String.Format vs string concatenation?
...code that is parsing an index value to determine a cell input into Excel. It's got me thinking...
14 Answers
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How to get current memory usage in android?
I have used /proc/meminfo and parsed command response.however it result shows that :
11 Answers
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What is the point of interfaces in PHP?
...low you to create code which defines the methods of classes that implement it. You cannot however add any code to those methods.
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Is MonoTouch now banned on the iPhone? [closed]
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Update -
This changed recently. MonoTouch should no longer conflict with
the agreement. Any statements below are purely historical!
Yes, it seems pretty clear from their license agreement now that if the original application is written in C# then it would be violating the license:
...Applica...
Is it pythonic to import inside functions?
..., that way you can tell at a glance how complicated your module is by what it needs to import.
If I'm adding new code to an existing file I'll usually do the import where it's needed and then if the code stays I'll make things more permanent by moving the import line to the top of the file.
One ot...
Is there any performance gain in indexing a boolean field?
I'm just about to write a query that includes a WHERE isok=1 . As the name implies, isok is a boolean field (actually a TINYINT(1) UNSIGNED that is set to 0 or 1 as needed).
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HTML “overlay” which allows clicks to fall through to elements behind it [duplicate]
I'm trying to overlay a element on top of a webpage (to draw arbitrary graphics), and I've come to the point where I can stack it inside of a element on top of everything, but this prevents the user from clicking on any links/buttons/etc.
Is there a way to have its content float on top of everythi...
Express next function, what is it really for?
...description of what the next() method does. In the Express documentation it says that next('route') can be used to jump to that route and skip all routes in between, but sometimes next is called without arguments. Anybody knows of a good tutorial etc that describes the next function?
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Should all jquery events be bound to $(document)?
...f, event delegation does not always make your code faster. In some cases, it's is advantageous and in some cases not. You should use event delegation when you actually need event delegation and when you benefit from it. Otherwise, you should bind event handlers directly to the objects where the e...