2015년 1월 12일 월요일

Developing code the NASA way


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JANUARY 12, 2015
IN THE NEWS
NASA’s 10 rules for developing safety-critical code
Making the freemium model work beyond consumerized IT
Python 3.5 to include ‘type hinting’
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IN THE NEWS

NASA’s 10 rules for developing safety-critical code

By Rob Marvin
NASA’s been writing mission-critical software for space exploration for decades, and now the organization is turning those guidelines into a coding standard for the software development industry.

The NASA Jet Propulsion Laboratory’s (JPL) Laboratory for Reliable Software recently published a set of code guidelines, “The Power of Ten—Rules for Developing Safety Critical Code.” The paper’s author, JPL lead scientist Gerard J. Holzmann, explained that the mass of existing coding guidelines is inconsistent and full of arbitrary rules, rarely allowing for now-essential tasks such as tool-based compliance checks. Existing guidelines, he said, inundate coders with vague rules, causing code quality of even the most critical applications to suffer... READ MORE »
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Making the freemium model work beyond consumerized IT

By Michael Williams
Developers today are looking seriously at the advantages to be had from free entry-level versions of commercial software—so-called “freemium” software. Developers often see freemiums as great test beds for potential commercial products. This is a trend that looks to be taking hold in the enterprise and developer communities.

Freemium, a mix of “free” and “premium” has started to pop up regularly as part of the menu you can choose from when it comes to getting your hands on software—from open-source software, to software you can buy on perpetual licenses and install on-premises, and every combination in between... READ MORE »
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Python 3.5 to include ‘type hinting’

By Rob Marvin
Python creator Guido van Rossum’s proposal for static type-checking annotations is inching closer to reality, and the feature has taken on a new name: type hinting.

Back in August, van Rossum published a proposal on the Python mailing list recommending type-checking annotations as a valuable feature for the next version of Python to improve the performance of editors and IDEs, linter capabilities, standard notation, and refactoring. Van Rossum’s latest proposal, posted late last month, outlined plans to publish a Python Enhancement Proposal (PEP) in early January to put the feature now known as type hinting on track for inclusion in Python 3.5, slated for release this September... READ MORE »
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FROM THE WEB


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