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How to install a gem or update RubyGems if it fails with a permissions error

... which gem >/dev/null; then PATH="$(ruby -rubygems -e 'puts Gem.user_dir')/bin:$PATH" fi <br>Source:guides.rubygems.org/faqs/#user-install – Inder Kumar Rathore Aug 22 '17 at 10:42 ...
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Access Denied for User 'root'@'localhost' (using password: YES) - No Privileges?

... just connect with sudo mysql. If you run sql : SELECT user,authentication_string,plugin,host FROM mysql.user; then you will see it : +------------------+-------------------------------------------+-----------------------+-----------+ | user | authentication_string ...
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What does Provider in JAX-RS mean?

...on 2.1 Final Release July 13, 2017) download.oracle.com/otn-pub/jcp/jaxrs-2_1-final-spec/… – burntsugar Jan 4 '19 at 0:57 add a comment  |  ...
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Jasmine.js comparing arrays

... edited May 16 '15 at 20:01 d-_-b 17.7k2929 gold badges113113 silver badges192192 bronze badges answered Mar 30 '13 at 11:25 ...
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How to convert R Markdown to PDF?

...ying an output format to the rend function. E.g., render("input.Rmd", "pdf_document") Command-line: When I run render from the command-line (e.g., using a makefile), I sometimes have issues with pandoc not being found. Presumably, it is not on the search path. The following answer explains how to...
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How do I check if file exists in jQuery or pure JavaScript?

...le you should be binding OnReadyStateChange event before you check the HTTP_STATUS. – RobertPitt Sep 5 '10 at 18:36 8 ...
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How can I check if the current date/time is past a set date/time?

...hat does function does it implement for this? – still_dreaming_1 Sep 2 '17 at 3:57 add a comment  |  ...
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How to delete a row by reference in data.table?

...ting to NA (matching the NA-type for the first column) set(DT,1:2, 1:3 ,NA_character_) share | improve this answer | follow | ...
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How to sort an array in descending order in Ruby

... { ary.sort{ |a,b| a[:bar] <=> b[:bar] }.reverse } } x.report("sort_by -a[:bar]") { n.times { ary.sort_by{ |a| -a[:bar] } } } x.report("sort_by a[:bar]*-1") { n.times { ary.sort_by{ |a| a[:bar]*-1 } } } x.report("sort_by.reverse!") { n.times { ary.sort_by{ |a| a[:bar] }.reverse } } e...
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Idiomatic way to convert an InputStream to a String in Scala

...eamReader) Iterator continually bufferedReader.readLine takeWhile (_ != null) mkString } share | improve this answer | follow | ...