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How to make a class conform to a protocol in Swift?

... error... You might not need to implement the entire protocol in all cases and might want to build prior to doing so... it's not a big deal, but feels a bit unnecessary. – Magoo Mar 31 '16 at 11:52 ...
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sqlite alter table add MULTIPLE columns in a single statement

...purpose to make the query be read as multiple lines. Then I run this query and get multiple columns added in on run... So no not in one line, but yes in one query its possible. share | improve this ...
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Display milliseconds in Excel

...rs which are timestamps in milliseconds (e.g. 28095200 is 7:48:15.200 am), and I want to make a new column next to it which keeps a running average and displays the time in a hh:mm:ss.000 format. ...
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Return first match of Ruby regex

I'm looking for a way to perform a regex match on a string in Ruby and have it short-circuit on the first match. 5 Answers ...
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Insert line break inside placeholder attribute of a textarea?

... a line \nthis should be a new line'); Then you could remove it on focus and apply it back (if empty) on blur. Something like this var placeholder = 'This is a line \nthis should be a new line'; $('textarea').attr('value', placeholder); $('textarea').focus(function(){ if($(this).val() === p...
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Where is Erlang used and why? [closed]

...social bookmarking service, Delicious, which has more than 5 million users and 150 million bookmarked URLs. • Facebook uses Erlang to power the backend of its chat service, handling more than 100 million active users. • WhatsApp uses Erlang to run messaging servers, achieving up to 2 million c...
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How to give Jenkins more heap space when it´s started as a service under Windows?

... Yeah, I wrote this answer before I knew what I was doing on SO, and I'm surprised that it's gotten so many upvotes. Perhaps, like me, a lot of people find their way to this question through a search engine, and a larger percentage of those people are using Linux or Unix? I don't understan...
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What is the difference between “Include Directories” and “Additional Include Directories”

... VC++ Directories settings used to be located in Tools + Options, Projects and Solutions, VC++ Directories. Global settings that applied to every project that was built on the machine. It is still there but points out that you should now change it in your project settings. A side-effect of the bu...
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How to do a LIKE query in Arel and Rails?

...(users[:name].matches("%#{params[:user_name]}%")), I tried TRUNCATE users; and other such queries and nothing happened on the sql side. Looks safe to me. – earlonrails Aug 28 '13 at 18:56 ...
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Unable to find a locale path to store translations for file __init__.py

...h {% trans %} in my templates. However, when I execute the following command in my app folder, I receive an error message: ...