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Is Dvorak typing appropriate for programming? [closed]
... Dvorak already has the huge con that the rest of the world uses qwerty, now if we start using modifications of dvorak too.. It's even worse! :)
– Thomas Bonini
Dec 18 '09 at 20:49
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Is there a “null coalescing” operator in JavaScript?
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Update
JavaScript now supports the nullish coalescing operator (??). It returns its right-hand-side operand when its left-hand-side operand is null or undefined, and otherwise returns its left-hand-side operand.
Please check compatibility be...
How to sort git tags by version string order of form rc-X.Y.Z.W?
...be used as the default.
robinst comments:
the version sort order can now (Git 2.1+) be configured as default:
git config --global tag.sort version:refname
As noted by Leo Galleguillos in the comments:
To configure Git to show newest tags first (descending order), just add a hyphen bef...
Rails: convert UTC DateTime to another time zone
...
zone = ActiveSupport::TimeZone.new("Central Time (US & Canada)")
Time.now.in_time_zone(zone)
or just
Time.now.in_time_zone("Central Time (US & Canada)")
You can find the names of the ActiveSupport time zones by doing:
ActiveSupport::TimeZone.all.map(&:name)
# or for just US
Active...
How do you format the day of the month to say “11th”, “21st” or “23rd” (ordinal indicator)?
I know this will give me the day of the month as a number ( 11 , 21 , 23 ):
19 Answers
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What does Redis do when it runs out of memory?
...ry starts to get used up (i.e. swap), and performance drops tremendously.
Now, you can also configure Redis with a maxmemory parameter, which prevents Redis from using any more memory (the default).
Newer versions of Redis have various policies when maxmemory is reached:
volatile-lru remove a ke...
What is the use of the ArraySegment class?
...ent<T> has become a lot more useful in .NET 4.5+ and .NET Core as it now implements:
IList<T>
ICollection<T>
IEnumerable<T>
IEnumerable
IReadOnlyList<T>
IReadOnlyCollection<T>
as opposed to the .NET 4 version which implemented no interfaces whatsoever.
The cl...
Rails Observer Alternatives for 4.0
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They are in a plugin now.
Can I also recommend an alternative which will give you controllers like:
class PostsController < ApplicationController
def create
@post = Post.new(params[:post])
@post.subscribe(PusherListener.new)
@...
Mercurial: how to amend the last commit?
...nd have some other changes (3) Commit changes, resulting in revision 3 (4) Now I'll change my mind and decide "file" should not be removed from the commit, so I want to amend revision 3. Hence, I'll re-add "file" which is now unversioned (5) Now I perform rollback: it will reset the dirstate and mar...
WKWebView not loading local files under iOS 8
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They finally solved the bug! Now we can use -[WKWebView loadFileURL:allowingReadAccessToURL:].
Apparently the fix was worth some seconds in WWDC 2015 video 504 Introducing Safari View Controller
For iOS8 ~ iOS10 (Swift 3)
As Dan Fabulish's answer s...