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 )

C++ Recursion Fibonacci Series Tutorial

We’re revisiting the Fibonacci Series code of C Recursion Find Revisit Tutorial and compiling it, plus some extended functionality, via the g++ c++ compiler on a macOS command line, as per … g++ fibonacci_series.cpp -o fibonacci_series.out … regarding the changed … Continue reading

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PHP Mail via Exim Better Return Deployment Tutorial

Yesterday’s PHP Mail via Exim Better Return Primer Tutorial set up a … framework part of an overall solution to a way to nuance PHP mail‘s return value, in an Exim Mail Server environment … and today … we present … Continue reading

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PHP Mail via Exim Better Return Primer Tutorial

We are exploring a way to improve on the PHP mail return value telling you nothing about whether the email gets off to the intended recipient. One step, here at RJM Programming, is to verify if the email has immediately … Continue reading

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Linux Find and/or Locate Files/Directories Double Quote Tutorial

When you write inhouse procedures that end in reports you can occasionally “get sideswiped” by peculiarities in the data that occurs. But it could be the cause of that irregularity that the report is meant to highlight. And so, if … Continue reading

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Ajax PHP RegEx Entry Games Tutorial

Up until yesterday’s Ajax PHP Your Recallable Games Tutorial the data filtering taking place in the gray textbox consisted of … a “starts with” string based data filtering … and today we add onto that … a “regular expression” (often … Continue reading

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Animated GIF ImageMagick Cache Backup Tutorial

As a programmer, am sure am no “Robinson Crusoe” thinking that we wish more often the web browser cache would come to our rescue, especially when web server tidying up results in the “rug being pulled from under” a programmatical … Continue reading

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Animated GIF ImageMagick Commercial Considerations Tutorial

Up to, and including yesterday’s Animated GIF Meta Refresh Simulation ImageMagick Switches Tutorial our PHP code has assumed file naming logic that could be prematurely interrupted when any more than one user is using the ImageMagick simulated animated GIF creation … Continue reading

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Animated GIF Meta Refresh Simulation ImageMagick Switches Tutorial

Yesterday’s Animated GIF Meta Refresh Simulation Download Tutorial established a link to the great ImageMagick command line “convert” product to simulate what an animated GIF might look like, ahead of creating it. To us, this is a software integration “mini-project” … Continue reading

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