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How to filter None's out of List[Option]?
... objects, but other times I need them to remain as Option[A]. I am finding more and more uses for Option[A] -- cool feature.
– Ralph
Apr 11 '12 at 14:23
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What is the difference between `throw new Error` and `throw someObject`?
...rs support the following two properties:
name: The name of the error, or more specifically, the name of the constructor function the error belongs to.
message: A description of the error, with this description varying depending on the browser.
Six possible values can be returned by the name prop...
API Versioning for Rails Routes
...answer is wildly different, and can be found here. Just proof that there's more than one way to skin a cat.
I've updated the answer since to use namespaces and to use 301 redirects -- rather than the default of 302. Thanks to pixeltrix and Bo Jeanes for the prompting on those things.
You might w...
How to create a directory using Ansible
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@Alex Wouldn't it be more clear to say "parent directories"?
– Carolus
Sep 6 at 9:12
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Finding sum of elements in Swift array
...t 2:
let multiples = [...]
sum = multiples.reduce(0, combine: +)
Some more info:
This uses Array's reduce method (documentation here), which allows you to "reduce a collection of elements down to a single value by recursively applying the provided closure". We give it 0 as the initial value, a...
Can ordered list produce result that looks like 1.1, 1.2, 1.3 (instead of just 1, 2, 3, …) with css?
...l>
</li>
</ol>
See Nested counters and scope for more information.
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Update built-in vim on Mac OS X
I know this might be more appropriate at Ask Different, but as I tried adding tags there, there was no vim tag, only macvim . So I figured I might get a better audience here.
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C++, What does the colon after a constructor mean? [duplicate]
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@Smashery that's not even more questionable than the confusing one : what'd be used in enclosure, bow or curly brace ? As often seen e.g: class Vector { Vector(int s) :elem{new double[s]}, sz{s} { } ... }
– user7712945
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Sample settings.xml for maven
...gt;
<!--
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"Lic...
Is there a TRY CATCH command in Bash
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