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Programming: Skills, Swift and the Web

Submitted by Roy Schestowitz on Thursday 26th of December 2019 07:03:03 PM Filed under
Development
  • Embracing open-source to fill the IT skills gap

    It’s not difficult to conclude that, in the world that places the greatest importance on speed, efficiency and user-friendliness, IT has become the backbone of business in the 21st century. Despite the vast benefits and reliance on technology in today’s business, both employees and leaders in the field are familiar with the skills gap, and need to address it.

    IT staff must be able to implement, operate and manage new technologies effectively to procure business benefits, yet a recent study found that 65 per cent of CIOs report IT skills shortages in their organisation. As well as this, the European Commission has conjectured there will be 756,000 unfilled jobs in the region's information communications technology (ICT) sector by 2020.

    As more businesses move online and data continues to underpin the modernisation of every industry, businesses lacking in IT professionals are at a major competitive disadvantage. But why is it so difficult to find tech talent?

    [...]

    For IT organisations worrying about attracting new talent, skills gaps and reskilling staff, Postgres could be the answer.

    Postgres is a fork of the original relational language that Ted Codd at IBM developed, which went on to become the foundation of Oracle's database technology. This compatibility means significantly less training for DBAs to understand how to implement and manage Postgres.

    So not only do businesses have a route to escape the clutches of Oracle, they can go a long way to reskilling their existing workforce without incurring a huge retraining bill. What’s more, Postgres is supported by an active community, which is constantly innovating – exactly the type of technology that will attract talent to an organisation.

    The digital skills gap may be widening, but the growing presence of open source alternatives may be able to bridge the gap. Not only does open-source software give customers in the database sector more choice, it also offers an attractive solution to attracting, retaining and reskilling staff.

  • Excellent Free Tutorials to Learn Swift

    Swift is a powerful and intuitive general-purpose programming language for the OS X, iOS, watchOS, and Linux operating systems. It’s developed by Apple Inc. Swift is intended to be more resilient to erroneous code (“safer”) than Objective-C, and more concise.

    Swift is a new language, first appearing in 2014. It’s friendly to new programmers, feels familiar to Objective-C developers, and the language is optimized for development. It was launched under a proprietary license, but Apple made the language open source in December 2015 by releasing Swift 2.2 and later under the Apache License 2.0. By open-sourcing Swift, developers are able to use the language for their own purposes and go beyond OS X, iOS and watchOS apps.

  • How to format code blocks for narrow screens

    For historical reasons dating back to code written on punch cards in the 1920s and carried on through terminal-screens from the 70s; programming style guides and editors set the line-length to 80-characters per line (cpl) or less. You’ll find this enforced today in the Style Guide for Python Code (PEP 8), the Ruby Style Guide, and many others.

    However, you’re not going to fit up to 80-characters of a fixed-width font face onto a mobile screen and maintain a readable font size. You can at most fit 32 characters at a comfortable 18px font size on a 360 px wide display (including a 10 px margin at either side). This is one of the most common mobile resolutions and also the smallest one.

    You can fit in 64 characters if you ask your readers to flip their phones horizontally. They’ll surely resent you for asking and interrupting their reading. There are still many phones on the market, even new ones, that have square displays.

    You can make a fluid preformatted code block that reflows to fit within the character limits for narrow (mobile portrait), medium (mobile landscape/tablet), and large displays (PCs). You likely have to do this yourself as there are no automated tools for the job.

    At this point, advanced CSS-stylists may be thinking of CSS rulesets like white-space: pre-wrap; word-break: break-word;. However, this method won’t handle indentation levels and would break lines in inopportune places.

    Instead, you’d need to invest the time to manually wrap segments of code at opportune places in a display: inline-block; elements. Your stylesheet (probably aided by JavaScript) would need to apply proper levels of indentation to wrapped lines. This would be a time-consuming process.

»

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