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Can someone explain the traverse function in Haskell?
... [1..3]?
We get the partial results of [1], [2,2] and [3,3,3] using rep. Now the semantics of lists as Applicatives is "take all combinations", e.g. (+) <$> [10,20] <*> [3,4] is [13,14,23,24].
"All combinations" of [1] and [2,2] are two times [1,2]. All combinations of two times [1,2...
How to join components of a path when you are constructing a URL in Python
...eason.
So, I'd use something like '/'.join(s.strip('/') for s in pieces) (if the leading / must also be ignored -- if the leading piece must be special-cased, that's also feasible of course;-).
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Difference between Property and Field in C# 3.0+
...if we leave out issues with multiple threads). A property such as DateTime.Now is not always equal to itself.
Properties may throw exceptions - fields will never do that.
Properties may have side effects or take a really long time to execute. Fields have no side effects and will always be as fast as...
Convert string with commas to array
...JSON.parse("[" + listValues + "]");
This gives you an Array of numbers.
now you variable value is like array.length=1
Value output
array[0].ComplianceTaskID
array[0].RequirementTypeID
array[0].MissedRequirement
array[0].TimeOverdueInMinutes
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Why is “if not someobj:” better than “if someobj == None:” in Python?
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In the first test, Python try to convert the object to a bool value if it is not already one. Roughly, we are asking the object : are you meaningful or not ? This is done using the following algorithm :
If the object has a __nonzero__ special method (as do numeric built-ins, int and float),...
Calculating Distance between two Latitude and Longitude GeoCoordinates
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Thanks for a good solution, I can now use it in my Desktop application.
– Jamshaid Kamran
Mar 2 '18 at 15:59
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How do I check OS with a preprocessor directive?
I need my code to do different things based on the operating system on which it gets compiled. I'm looking for something like this:
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List attributes of an object
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To be specific, pprint.pprint(a.__dict__) does a pretty-print on the attributes.
– smci
Aug 27 '16 at 0:00
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How to open standard Google Map application from my application?
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For directions, a navigation intent is now supported with google.navigation:q=latitude,longitude: Uri gmmIntentUri = Uri.parse("google.navigation:q=" + 12f " +"," + 2f); Intent mapIntent = new Intent(Intent.ACTION_VIEW, gmmIntentUri); mapIntent.setPackage("com.g...
Purpose of Python's __repr__
What is the significance/purpose of this method?
7 Answers
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