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What does ||= (or-equals) mean in Ruby?

...discussed so often on the Ruby mailing-lists and Ruby blogs that there are now even threads on the Ruby mailing-list whose only purpose is to collect links to all the other threads on the Ruby mailing-list that discuss this issue. Here's one: The definitive list of ||= (OR Equal) threads and pages I...
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Replace one substring for another string in shell script

...ntext would represent itself, not a newline. I don't have Bash handy right now to test, but you should be able to write something like, $STRING="${STRING/$'\n'/<br />}". (Though you probably want STRING// -- replace-all -- instead of just STRING/.) – ruakh ...
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PHP - include a php file and also send query parameters

...ve and so on $$qstr_name = $qstr_value; } } // now it's time to include the real php file // all necessary variables are already defined and will be in the same scope of included file include($phpinclude); } ?> I'm using this variable variable construction v...
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Like Operator in Entity Framework?

... This is an old post now, but for anyone looking for the answer, this link should help. Go to this answer if you are already using EF 6.2.x. To this answer if you're using EF Core 2.x Short version: SqlFunctions.PatIndex method - returns the st...
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android View not attached to window manager

... thread which survives the activity restart and may hold references to the now dead Activity and its Views (this is a effectively a memory leak, albeit probably a short term one - depends how long the task takes to complete). The solution above works fine, if you're happy to accept a short term mem...
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can you host a private repository for your organization to use with npm?

...tory in the clock blog. EDIT (2017-02-26): Not really new, but there are now paid plans to host private packages on NPM. Over the years, NPM has become a factor for many non-Node.js companies, too, through the huge frontend ecosystem that's built upon NPM. If your company is already running Sonat...
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std::string to float or double

... It's great to know that the C++ standards committee added this. ostringstream in itself was simply too long to type out, let alone use .. – bobobobo Jan 23 '14 at 17:41 ...
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A command-line HTML pretty-printer: Making messy HTML readable [closed]

... Update 2018: The homebrew/dupes is now deprecated, tidy-html5 may be directly installed. brew install tidy-html5 Original reply: Tidy from OS X doesn't support HTML5. But there is experimental branch on Github which does. To get it: brew tap homebrew...
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How do I switch between the header and implementation file in Xcode 4?

... Not in Lion anymore... That's now Mission Control :-/ – Arne Aug 17 '11 at 21:02 2 ...
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How can I shrink the drawable on a button?

... Now the image is displayed but it does not get resized! I tried values between 0.1f and 10f. Any idea? Thanks for your help... – Reto Sep 24 '11 at 16:01 ...