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How do I concatenate strings in Swift?
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You could also do:
var c = "Hello"
c += ", World"
I'm sure there are more ways too.
Bit of description
let creates a constant. (sort of like an NSString). You can't change its value once you have set it. You can still add it to other things and create new variables though.
var creates a var...
Default string initialization: NULL or Empty? [closed]
...e absence of a value and "" or String.Empty is a valid value. I have seen more examples lately of code where String.Empty is considered the default value or represents no value. This strikes me as odd, with the newly added nullable types in c# it seems like we are taking strides backwards with str...
Getting the first and last day of a month, using a given DateTime object
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var functionName = function() {} vs function functionName() {}
...xing bugs, adding features and also trying to tidy up the code and make it more consistent.
40 Answers
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Return empty cell from formula in Excel
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Multi-statement Table Valued Function vs Inline Table Valued Function
...-query to get the max date), but some coders may find it easier to read or more natural to do it in multiple statements as you have done. Some functions just plain can't get done in one statement, and so require the multi-statement version.
I suggest using the simplest (inline) whenever possible, a...
deleting rows in numpy array
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Here's a one liner (yes, it is similar to user333700's, but a little more straightforward):
>>> import numpy as np
>>> arr = np.array([[ 0.96488889, 0.73641667, 0.67521429, 0.592875, 0.53172222],
[ 0.78008333, 0.5938125, 0.481, 0.39883333, 0.]])
>>>...
Why is `[` better than `subset`?
... passed to it? If my question doesn't make sense, you could just elaborate more on why R can no longer find cyl. Thanks!
– Heisenberg
Oct 28 '13 at 22:12
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how to customize `show processlist` in mysql?
... * FROM information_schema.processlist WHERE `INFO` LIKE 'SELECT %';
For more information visit this
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