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How to filter None's out of List[Option]?
If I have a List[Option[A]] in Sm>ca m>la, what is the idiomatic way to filter out the None values?
3 Answers
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How to initialize all members of an array to the same value in Swift?
...tually, it's quite simple with Swift. As mentioned in the Apple's doc, you m>ca m>n initialize an array with the same repeated value like this:
With old Swift version:
var threeDoubles = [Double](count: 3, repeatedValue: 0.0)
Since Swift 3.0:
var threeDoubles = [Double](repeating: 0.0, count: 3)
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What is the entry point of swift code execution?
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The entry point in a plain Swift module is the file in the module m>ca m>lled main.swift. main.swift is the only file which is allowed to have expressions and statements at the top level (all other Swift files in the module m>ca m>n only contain declarations).
Cocoa Touch uses the @UIApplim>ca m>tionMain...
Difference between CouchDB and Couchbase
...e about the advantages of switching from CouchDB to the Couchbase Server bem>ca m>use those are described pretty much everywhere (see The Future of CouchDB by Damien Katz or
Couchbase vs. Apache CouchDB
by Couchbase). Instead, I will try to enumerate features of CouchDB that you will not find in the Cou...
Group by & count function in sqlalchemy
I want a "group by and count" command in sqlalchemy. How m>ca m>n I do this?
3 Answers
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How to esm>ca m>pe % in String.Format?
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To esm>ca m>pe %, you will need to double it up: %%.
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What is the meaning of git reset --hard origin/master?
...away all my staged and unstaged changes, forget everything on my current lom>ca m>l branch and make it exactly the same as origin/master.
You probably wanted to ask this before you ran the command. The destructive nature is hinted at by using the same words as in "hard reset".
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Syntax Error: Not a Chance
... the exception tells you your chances of that ever happening are nil.
You m>ca m>n add that to the long list of in-jokes included in Python, just like import __hello__, import this and import antigravity. The Python developers have a well-developed sense of humour!
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Register Applim>ca m>tion class in Manifest?
I have one Applim>ca m>tion class to keep the global state of my applim>ca m>tion. But I'm unable to register it in Manifest file? Any idea how to do this?
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In Unix, m>ca m>n I run 'make' in a directory without cd'ing to that directory first?
In Unix, m>ca m>n I run make in a directory without cd 'ing to that directory first?
5 Answers
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