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How to slice an array in Bash
Looking the "Array" section in the bash(1) man page, I didn't find a way to slice an array.
4 Answers
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if A vs if A is not None:
...ation) and use the return value of that function. Here's the summary:
object.__nonzero__(self)
Called to implement truth value testing and the built-in operation bool(); should return False or True, or their integer equivalents 0 or 1. When this method is not defined, __len__() is called, i...
How to properly compare two Integers in Java?
I know that if you compare a boxed primitive Integer with a constant such as:
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How to create an object property from a variable value in JavaScript? [duplicate]
I want to add a new property to 'myObj', name it 'string1' and give it a value of 'string2', but when I do it it returns 'undefined:
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Join between tables in two different databases?
In MySQL, I have two different databases -- let's call them A and B .
4 Answers
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How to join two generators in Python?
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PhilippPhilipp
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What are Unwind segues for and how do you use them?
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In a Nutshell
An unwind segue (sometimes called exit segue) can be used to navigate back through push, modal or popover segues (as if you popped the navigation item from the navigation bar, closed the popover or dismissed the modally presented view controller). On top of that you can actu...
Is there a way to take a screenshot using Java and save it to some sort of image?
...do I need to use an OS specific program to take the screenshot and then grab it off the clipboard?
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Multiple returns from a function
Is it possible to have a function with two returns like this:
31 Answers
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Comparing date ranges
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This is a classical problem, and it's actually easier if you reverse the logic.
Let me give you an example.
I'll post one period of time here, and all the different variations of other periods that overlap in some way.
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