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Showing posts from 2018

Perl for the Web: Mojolicious 8.0 Released

Far gone are the days when you wrote Perl for the web in just CGI. Dancer, Catalyst and Mojolicious are the modern ways of going about it, with Mojo's version 8.0, code-named "Supervillain", being released just last week. Each framework has its own distinct advantages, with Dancer being considered the most lightweight and with the lowest entry barrier; and Catalyst being considered the most heavyweight and with a steep learning curve. Mojo floats somewhere in the middle, its own strongest point being its claim to be a "Real time Web framework" due to its Websockets and non-blocking/async capabilities provided out of the box. With that said, let's discover what Mojo's newest version has to offer.
The most outstanding feature, given that Mojo is based on an Event loop à la NodeJS, is the introduction of the "Mojo::Promise" module, a Perl implementation of Promises that simplifies and enhances the asynchronous operations callback mechanisms in p…

Is Java Still Free?

Given Oracle's attempts to regulate Java's use, it's no wonder that the debate between JDK and OpenJDK has led to doubt, that for some that even meant considering to jump the ship. Fortunately, the Java Champion Community, guardians of all things Java, has reacted to this awkard situation. Its attempt to clear up the uncertainty is by publishing a statement with the unambiguous title Java Is Still Free. The document is work in progress getting updated as developments evolve, and comes in two versions; the short one that jumps straight to the takeaways, and the longer that gets behind the scenes before making any recommendations.
full article on i-programmer.info

Sharpen Your Hacking Skills With CTFLearn

CTFlearn began as a simple project by the members of a local school's CTF club in order to have a playground for testing their skills. V2 of the site is currently undergoing a beta, but is available to the public. Let's find out what this revamped version has to offer.

While CTFlearn might have started as a little local project, it wasn't long, due to a high level of interest, before it started to overrun its local boundaries to appeal to a much greater audience. The simple and easily navigable layout has certainly played a role in the site's popularity.

full article on i-programmer.info 

Sorbet - Making Ruby Statically Typed

Stripe's Sorbet type checker aims to achieve what Typescript has done for JavaScript; inject static typing to a dynamical language. But let's start with the basics; what's so wrong with dynamically typed systems that statically type ones, full or partial, are so desirable. Back in early 2010, I Programmer ran my in-depth article series, Type System Demystified (Part 1Part 2, Part 3) on the big face-off between types systems (static vs dynamic, strong vs weak), detailing both their hindrances as well as their merits. While things have moved on .. full article on i-programmer.info

Perl 5.28 Released

Perl 5.28 doesn't introduce radical changes, but mainly focuses on optimizations, performance improvements, security fixes, cleanups, module upgrades and removals. We've combined this version's delta document with SawyerX's talk at TPC2018 in Salt Lake City to provide a more holistic summary of noteworthy changes.
Starting up with the new features,Perl 5.28 has been upgraded to support Unicode version 10.0, which now even incorporates the Bitcoin symbol! .. full article on i-programmer.info

Learn to Code With Games

Play games and learn something while you are at it? Even better, rather than feeling guilty about wasting time playing games, you are in fact "studying"? With so many code playgrounds out there, here are three of the latest, and free, offerings. The first one is JSRobot and teaches Javascript by letting you control a little Robot. It is targeted at total beginners in coding as well as the Javascript language and therefore cover the very basics, such as the Console:...full article on i-programmer.info

Learn To Program the Blockchain With Devslopes For Free

It is strongly believed that AI together with the Blockchain is the upcoming revolution in technology. Professionals in these areas are expected to be highly sought after. Recognizing this need, Devslopes aims to transform any beginner to a professional and currently has a very attractive offer that amounts to free training. We've recently looked into the Blockchain technology and its future in watching and reviewing the EU Blockchain Observatory and Forum's Blockchain AMA which revolved around the Blockchain's  applications on a pan-European level. Since the EU Commission is so fond of this novel technology, you certainly get the feeling that you have to do something about it to prepare for a Blockchain-powered future. Devslopes is one of the most recently founded .... full article on i-programmer.info

Actian X/Ingres - Working around the limitations of the GLOBAL TEMPORARY/SESSION TABLES

An attempt to work around the
Limitations of Database Procedures when used with Global Temporary Tables

Successfully tested on Ingres II 9.2.0 (int.lnx/118)NPTL

On Ingres II 10.0.1 (a64.lnx/100)NPTL returns error:
E_SC0206 An internal error prevents further processing of this query.
    Associated error messages which provide more detailed information about
    the problem can be found in the error log, II_CONFIG:errlog.log

Code on GitgHub

EU Blockchain Observatory and Forum Blockchain AMA

The EU Blockchain Observatory is a recent initiative, launched in February 2018, which is backed by the European Commission with the primary aim of educating the EU's public on Blockchain technology.This very interesting AMA really served that purpose by answering  the public's challenging questions, which were mainly tweeted under the #AMABlockchain hashtag. Educating the public aside, the forum's two other objectives are to accelerate the application of this technology at a pan-European level and to push for cooperation between member states to materialize uses cases and scenarios backed by Blockchain. The AMA started smoothly tackling lightweight questions, such as "what is the Blockchain technology?" or "where is a Bitcoin stored?", (answer: "on every computer in the Blockchain network"), continuing with what a blockchain Node is and what does a Miner do. Other questions revolved around which Consensus algorithms does a blockchain network…

European Perl Conference In Glasgow, Massive Summer Event

Yes, with more than 50 talks, workshops and networking events, YAPCEU:: 2018 promises to be massive. Not  everything will be strictly about Perl 5 and 6, sessions on ethics, career building and recruiting are also included.
The workshops, which include training most notably by GeekUni and Dave Cross, have been finalized and are: Perl related: GeekUni - "Using databases with DBIx::Class", 240 minutes long, requires knowing both Perl and SQL
GeekUni - "Object Oriented Perl 5", a 240 minutes long session to transcend from the default minimal OO system to Moo and Moose
DrForr - "Introduction to Perl 6", a whooping 540 minutes long session on Perl 6 fundamentalsCareer/Character building: full article on i-programmer.info

Single Page Application with Perl Dancer

Of course Gabor needs no introduction, but it's worth mentioning that his is a later attempt of publishing a book on the Dancer framework in general. The first one, which I covered in Help Kickstart First Ever PerlDancer Book, was initiated by the Dancer's core devs themselves who unfortunately couldn't generate enough traction therefore the fund raising campaign failed. Fortunately this second campaign by Gabor proved successful to the point of exceeding its financial goals.

From the start you sense that it's going to be a very practical and hands-on tutorial as it doesn't waste any time and jumps straight to setting up the development environment using Vagrant and a Linux VM.Interesting choice considering that nowadays most use Docker, but probably done so because Docker is mainly directed to containerization of applications and not to that of full blown OSs. So after setting up the environment we are next suggested two ways of installing Dancer.The first one is …

3 take-aways from Jon Skeet’s Hashnode AMA

It’s a question that’s been bugging me now and then.When I heard that Jon Skeet, a Stackoverflow core member, book writer and educator, as such the perfect authoritative source to answer this question, was going to give an AMA on March the 29th over at Hashnode, I jumped right in: Is Stackoveflow creating hordes of copy and paste programmers, hindering truefull education or is it the other way around, that is complementing education?

JS:I expect it’s a mixture,........full article on Medium

An alternative source of acquiring job worthy skills : The Sandwich course

Since employers expect a candidate with both a diploma and hands-on experience, the problem has always been how to acquire that work experience while at the same attending college.The Sandwich scheme then, in in effect in many UK Universities, is a successful attempt in compromising those two requirements. Usually a BSc diploma lasts for 3 academic years.In many cases you have the option to go for the Sandwich scheme.This adds another academic year because you now use the 3rd year to gain real work experience instead of spending it at the premises of the University.That way you “gain the skills that employers want so you’ll be prepared for the workplace when you graduate”. The transition to the sandwiched year......full article on Medium

Udacity's Android Developer Nanodegree Updated To Android Architecture Components

Udacity's Android Developer Nanodegree gets up to speed with Android Architecture Components with an important update. This recognizes that the components are growing in popularity and can  even be considered the modern way of doing things on the platform. This new class talks us through the four subtopics that comprise the Architecture Components: 1. The Room persistence library - an ORM for easier interaction with a backend database. 2. LiveData - based on RxJava and the Observer pattern so that the UI can be  automatically updated upon any change happening to the underlying data store. 3. ViewModel - Caching and preserving data/state during configuration changes. 4. Lifecycle Aware Components - to make objects that haven't got a lifecycle (as defined by the platform) to become lifecyle aware.
full article on i-programmer.info

Book Review:Single Page Application with Perl Dancer

Of course Gabor needs no introduction, but it's worth mentioning that his is a later attempt of publishing a book on the Dancer framework in general. The first one, which I covered in Help Kickstart First Ever PerlDancer Book, was initiated by the Dancer's core devs themselves who unfortunately couldn't generate enough traction therefore the fund raising campaign failed. Fortunately this second campaign by Gabor proved successful to the point of exceeding its financial goals.

From the start you sense that it's going to be a very practical and hands-on tutorial as it doesn't waste any time and jumps straight to setting up the development environment using Vagrant and a Linux VM.Interesting choice considering that nowadays most use Docker, but probably done so because Docker is mainly directed to containerization of applications and not to that of full blown OSs.

full review on i-programmer.info

Udacity Kotlin BootCamp for Programmers

Undoubtedly there is a lot of hype surrounding the new kid on the block, Kotlin. Even so, it is currently welcoming ever increasing waves of Java migrants to the extent that starting out with Java for the Android platform is about to become outdated. But why Kotlin? Kotlin is an expressive programming language with lambdas, coroutines, properties, object and functional constructs and advanced features all built in. It is statically typed, just like Java, and seamlessly interoperates with any given Java library in order to leverage the vast functionality found in Java's ecosystem. full article on i-programmer.info

Udacity Android Developer Nanodegree Capstone Project - "Smart Device Seeker"

"Smart Device Seeker For those interested in buying or looking for more information on a smart device"
Released app to the Google Play Store





Insider's Guide to Udacity Android Developer Nanodegree part 7-Full Stack Android

Yes, the final stage of the Capstone and graduation, the endless sense of relief. It was challenging, it was hard, but in the end everything worked out alright and I gained my Android Developer Nanodegree. So what did I think of the whole experience. If you just want to know my final thoughts on a year-long course of study turn to the last page. At the final stage it wasn't just a Capstone project that spanned the narrow boundaries of developing for Android only. It also required work on the infrastructure as the Android app would have to communicate with the backend Digital Ocean VPS hosting the data. So in this final part of the Insider's Guide To Udacity Android Developer Nanodegree  I'm not just going to go through the building of a mobile app, looking into the topics of Fragments, Loaders, AsyncTasks, Retrofit network calls, GSON parsing and Memory leaks, only.I'm also going to go through the work that took place server side, looking into Web based MVC, HTML temp…