Category Archives: Operating System

An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer programs ( Wikipedia )

Perl CGI DateTime Module Primer Tutorial

Do you remember with Perl CGI Modes of Use Primer Tutorial how we used the Perl programming language as an alternative server language player up at the RJM Programming website? Well, in any case, today, we explore some Perl modules … Continue reading

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Wikipedia Colour Coded Mark History Tutorial

The idea to gather history of “user interest” into a new dropdown as a feature to enhance a comma (ie, “,”) hardcoding in an “eighth draft” PHP wiki_mark_eight.php web application, perhaps below, has several advantages today, we figure … recall … Continue reading

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Wikipedia Colour Coded Mark Word Categorization Tutorial

Today’s progress onto the recent Wikipedia Colour Coded Mark Speech to Text Tutorial‘s Wikipedia Mark Words web application involve … a new dropdown categorizing words, which we hope might help users hone their marked Wikipedia content … AnyMixed CaseUpper CaseLower … Continue reading

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Linux Chaining Commands on Command Line Primer Tutorial

With the RJM Programming domain we are regularly dealing with a Linux (CentOS) web server operating system and its associated command line we access via ssh command (usually from our macOS Terminal application command) … ssh -p 22 [username]@[RJM Programming … Continue reading

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Swift Playgrounds on macOS Game Tutorial

Further to yesterday’s Swift Playgrounds on macOS Map Tutorial‘s reacquaintance with Xcode and Swift and Playgrounds, today, we consider … Xcode on macOS … File -> New -> Playground… Game Next Create … with those Sprite animation, and even collision … Continue reading

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Inhouse Slideshow Backup Tidy Up Crontab Curl PHP Tutorial

Crontab is that great scheduling tool that we make use of, a lot, on our RJM Programming Linux CentOS web server. But it’s not only … the timing … of a procedure that is so good about crontab … it … Continue reading

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GeoJson World Colour Wheel Wikipedia Integration Tutorial

Further to yesterday’s GeoJson World Coastline Quiz Deployments Tutorial, with our two … GeoJson World Coastline … and … GeoJson World Countries … web applications, today we want to deepen the integration with Wikipedia on two fronts … GeoJson World … Continue reading

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