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The top languages you need for app development

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Code Institute’s Daragh Ó Tuama explains what budding app developers need to know when it comes to programming languages.

App development is the intricate process of designing, implementing and developing mobile applications. The applications are either developed by independent professional freelancers or by a team of skilled developers belonging to a giant firm.

There are countless aspects to consider when it comes to application development, such as the size of the app, the design, the concept and many more. To obtain optimum results, a proficient developer should be knowledgeable in all of these areas.

Is it, however, simple to create an application? The answer is up to you. It is really simple to develop an app if you understand and practise adequately.

The first thing, even before choosing a programming language, one should decide on which platform they are writing the program for. As we all know, there are two major platforms for mobile applications: iOS and Android. So, to begin, choose one of the two options.

You can choose one or both, but you must be familiar with two concepts: native development and cross-platform programming.

With native development, developers choose one platform and produce programs exclusively for that platform. If you’re a native Android developer, you create native Android apps that only run on Android; similarly, if you’re an iOS developer, you build native iOS apps that only work on iOS.

Cross-platform development is the term used to describe applications that are created once and can operate on any platform, including Android and iOS.

After choosing the above options, one should learn the related programming languages.

Python

Whether it is software, website or app development, there is no way Python is not used in it.

The increasingly popular programming language, which is recognised for its simple syntax and robust features, has garnered a reputation among novices and professionals alike.

Python is used to programme the back-ends of several prominent applications that we use on a daily basis, such as YouTube, Instagram and Pinterest. We can see Python’s power by looking at the above apps, which are noted for their popularity, efficiency and security.

Other reasons to learn Python:

  • Easy to read, learn and write codes
  • It is an interpreted language
  • Free and open source
  • Has extensive library support
  • Python is flexible

Python is also widely used in various technology fields, including machine learning, data analytics and many more.

JavaScript

When it comes to creating applications for the web, there are some programming languages you must know to be considered a professional, and top of the list of must-know programming languages is JavaScript.

JavaScript is required for the distinctive features you put in your program to perform tasks seamlessly on any device or platform.

Also, it is a full-stack language, which means with JavaScript you can build an interactive and visually appealing front-end and an efficient and powerful back-end too.

Other reasons to learn JavaScript:

  • Since it is an interpreted language, the speed of execution is immaculate
  • The structure of the syntax is simple and easy to grasp
  • JavaScript works smoothly along with other languages
  • With JavaScript, developers can add rich features to their applications
  • It has multiple valuable frameworks such as jQuery, Angular, Vue and Svelte

Along with JavaScript frameworks, developers can develop platform-independent applications.

Java

Java is an approved language for developing Android apps. Therefore, to commence your app developer journey, studying Java will most likely not only help you master app development rapidly, but will also assist you in quickly understanding other relevant languages.

Java has its own set of open-source libraries, including a wealth of functionalities and APIs that developers may easily integrate into their coding.

Other reasons to learn Java:

  • Java is an object-oriented language
  • Java can execute in various settings, including virtual machines and browsers
  • Code reusability and portability
  • Strong memory management

Another upside of mastering Java is its omnipresence. Since Java is a versatile programming language, it is also employed in website and software development. By learning it, you can learn more than just app development and may be handy in the long run if you need to change careers.

Kotlin

Kotlin is yet another official language of Android development. This is thanks to its roots in Java. So yes, Kotlin is very similar to Java and may be thought of as a more advanced version of Java programming.

Kotlin allows developers to create more robust and complex mobile applications.

Other reasons to learn Kotlin:

  • Writing programs in Kotlin means less robust code
  • It’s fully compatible with Java
  • Developers can use Kotlin to construct platform-independent applications
  • It features a simple and straightforward syntax
  • Includes Android and SDK toolkit

Kotlin might be a wonderful and accessible alternative for novices who find Java difficult.

Dart

Dart is a relatively new programming language when compared to other languages that have been around for a long time.

It may be used on both the front-end and the back-end. The syntax is comparable to C, making it simple to pick up.

Another distinctive aspect of Dart is that it is a programming language created especially for Android development by Google.

Other reasons to learn Dart:

  • It has a clean syntax
  • It has a set of versatile tools to help in programming
  • Dart is portable
  • It is used by Flutter
  • Can write and run the code anywhere

Dart also allows developers to create web-based applications in addition to mobile apps.

Swift

Swift is a programming language built specifically for designing and developing mobile applications, but only for iOS.

Created by tech giant Apple, Swift is a multi-paradigm, general-purpose compiled programming language.

Prior to the introduction of Swift, the preferred and customary programming language for iOS app development was Objective C. Swift’s versatility and durability has supplanted the necessity for Objective C.

Other reasons to learn Swift:

  • It has a concise code structure
  • It has efficient memory management
  • Swift is fast to execute
  • It supports dynamic libraries
  • It is compatible with objective C

As one of the most popular programming languages for iOS app developers, Swift allows users to learn and develop applications quickly and easily.

C++

Although not exactly a preferred programming language for app development, with C++ developers can expect to create robust applications.

C++ is used to create Android apps and native app development. Mainly, using this programming language, games, cloud and banking applications are created.

Other reasons to learn C++:

  • C++ is a multi-paradigm programming language
  • C++ is an object-oriented programming language and includes classes, inheritance, polymorphism, data abstraction and encapsulation
  • Supports dynamic memory allocation
  • C++ codes run faster
  • It is a platform-independent language

Because C++ applications can run on any platform, developers can use it to create cross-platform apps for Android, iOS and Windows.

Learn core concepts

Having a solid grasp of fundamentals is necessary to become a versatile app developer. Without mastering them, building complex applications will become tedious.

The following are some fundamental notions in every programming language:

  • Variables
  • Data structures
  • Syntax
  • Control structures
  • Tools

Choose a good programming course

One needs a mentor to grasp and understand the intricacies of a programming language or a related profession.

Before choosing a course, make sure that course is for you. For example, if you are a beginner, choose courses that are created for beginners that can give you a generous tech stack. On the other hand, if you already have adequate programming knowledge, you can either choose the beginner ones or go for intermediate ones.

Join the community

Each and every programming language has a dedicated community that is active with a vast number of skilled developers. Joining such communities will help you keep up to date about the latest features and tactics of the particular language.

Some of the popular platforms for programming communities are:

  • Stack Overflow
  • Reddit subreddits
  • GitHub

For instance, if you are learning Python, join the Python community on any of the above platforms. The same goes for other programming languages.

Also, if you have any queries regarding any errors of concepts, you can find answers in these communities since most doubts you face are not new.

Build mini applications

While learning app development, try putting your knowledge into work during the learning period instead of waiting for the course to end.

Try building mini applications at first. It can be as simple as a Hello World app that displays ‘hello world’. Then try upgrading to the calculator, memo, weather forecast and many more.

Since programming is a skill that grows only through practise, it is essential to practise while learning.

While developing mini projects, it is also customary to face errors. Instead of relying on communities, try resolving the mistakes on your own. Doing so will enhance your problem-solving ability, which is a great skill that every recruiter looks for in a developer.

By Daragh Ó Tuama

Daragh Ó Tuama is the digital content and production manager of Code Institute. A version of this article previously appeared on the Code Institute blog.

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Google UK staff earned average of more than £385,000 each in 18 months | Google

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Google UK’s staff earned an average of more than £385,000 each in the 18 months to the end of December, as the tech company gave almost £1bn in share-based payments.

Google, which like other tech firms is looking at budget and potential job cuts as global economic conditions become tougher, reported £3.4bn in turnover and £1.1bn in pre-tax profits in the 18 months to the end of December 2021.

The company, which reported a year and a half of financial results after moving its accounting period from the end of June to December last year, paid £200m in UK corporation tax.

Google UK hired 577 staff between June 2020 and December last year, taking its total headcount to 5,701. The company employs 2,275 staff in sales and marketing roles, 2,412 in research and design and 1,014 in management and administration roles.

Google’s total staff costs hit £2.2bn in the 18-month reporting period, according to accounts filed at Companies House. The staff wage and salary bill came to £1.06bn.

The accounts show UK staff received an £829m bonanza in share-based payments, and there was £258m on social security costs and £52m in expenses relating to its defined contribution plan.

The accounts also show that Google paid £200m in UK corporation tax on its £1.1bn profits.

Like its tech peers Meta – the owner of Facebook and Instagram – and Amazon, Google is frequently the target of criticism that it does not pay enough in tax in the UK.

While the company reported £3.4bn in turnover over its 18-month reporting period, the research firm Insider Intelligence estimates that Google made almost £8.7bn in ad revenue in the UK in 2021 alone.

Google, which has its European headquarters in Ireland, where taxes are lower, reports some revenues in other jurisdictions.

“Our global effective income tax rate over the past decade has been close to 20% of our profits, in line with average statutory tax rates,” a spokesperson for Google said. “We have long supported efforts via the OECD [Organisation for Economic Co-operation and Development] to update international tax rules to arrive at a system where more taxing rights are allocated to countries where products and services are consumed.”

In November, Google’s Irish subsidiary agreed to pay €218m (£183m) in back taxes to the Irish government. In 2020, Alphabet, Google’s parent company, said it would stop using a notorious tax loophole known as “the double Irish with a Dutch sandwich”.

In 2020, the UK introduced a digital services tax, which levies 2% of gross revenues, and aimed to target large digital companies that make huge revenues but report relatively small profits.

Next year, it will be replaced by a new global tax system after the OECD brokered a deal between 136 countries that will result in large multinational companies paying tax in the countries where they do business, and committing themselves to a minimum 15% corporation tax rate.

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Tesla has a bit of work to do on Optimus robot • The Register

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Tesla headlined its AI Day 2022 event on Friday with the reveal of its “Optimus” robot prototype, showing just how much work was left to do on the project.

While the demo was certainly more robotic than last year’s dancer in a onesie, the lumbering mess of cables was far from the sleek and sexy design faithful Muskites might expect from the EV maker.

CEO and founder Elon Musk said before the curtains opened: “I do want to set some expectations with respect to our Optimus robot. As you know, last year it was just a person in a robot suit, but we’ve come a long way and, you know, compared to that, it’s going to be impressive.”

But in a world accustomed to the back-flipping bots of Boston Dynamics, Optimus was less than impressive. A mechanical engineer stepped in to inform the audience that this was the first time the robot was run “without any backup support – cranes, mechanical mechanisms, no cables, nothing.”

Tesla Optimus protoype

Tesla’s ‘rough development robot’

The prototype managed to rotate its arms, then tottered to the forefront to give the audience a wave, before walking back as a screen failed to close. “This is essentially the same self-driving computer that runs in Tesla cars by the way,” an Autopilot engineer proclaimed.

The event then showed videos of the robot picking up and putting down objects, and watering plants. “What you saw … was our rough development robot using semi-off-the-shelf actuators. But … we actually have an Optimus bot with fully Tesla-designed and built actuators, battery pack, control system, everything.”

This version, which was then pushed onto the stage, was a little more “Tesla” – slimmer, neater, shinier. Only one problem: it can’t walk. “I think it will walk in a few weeks,” Musk said, “but we wanted to show you something that’s fairly close to what will go into production.”

Clumsily wheeled out by staff, it also managed a couple more waves and did the splits from the rod on which it was mounted.

“Our goal is to make a useful humanoid robot as quickly as possible,” Musk said. “We’ve also designed it using the same discipline we use in designing the car, which is to say to design a form of manufacturing such that it is possible to make the robot in high volume at low cost with higher liability.

“You’ve all seen very impressive humanoid robots demonstrations, and that’s great, but what are they missing? They’re missing a brain. They don’t have the intelligence to navigate the world by themselves. They’re also very expensive and made in low volume. Optimus is designed to be an extremely capable robot but made in very high volume – ultimately millions of units – and it’s expected to cost much less than a car, so probably less than $20,000.”

That’s one expensive Roomba.

Accepting that there was “a lot of work to be done to refine Optimus and improve it,” Musk said the aim of the event was convince more AI and mechanical engineers to join the company to bring the project “to fruition at scale” and “help millions of people.”

He then waxed lyrical about an economy where there was “not a limitation on capita,” which could then become “quasi-infinite,” implying that he hopes Tesla’s robots might one day replace humans on production lines.

“This means a future of abundance,” he said. “A future where there is no poverty, where you can have whatever you want in terms of products and services. It really is a fundamental transformation of civilization as we know it.”

As if to reference his belief that AI is humanity’s “biggest existential threat,” he added: “Obviously, we want to make sure that transformation is a positive one and safe,” claiming that Tesla’s public ownership model was the right way to achieve this.

While not quite the disasterpiece of the Cybertruck reveal, going by what was shown at the AI Day, such a utopia is still far away. ®

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Dublin proptech constructing an operating system for buildings

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The SpaceOS platform sets out to create smart workplaces as the world wises up to the future of hybrid, flexible and sustainable work.

“We believe that buildings have been failing to answer people’s needs for decades,” said Marley Fabisiewicz. “We’re making them more convenient and human-centric with technology, while feeding the property managers and real estate developers with data.”

That, in a nutshell, is what proptech start-up SpaceOS is all about. “The real estate industry is a dinosaur,” said co-CEO Fabisiewicz, whose vision is to realise its digital transformation through developing tech-enabled workspaces. “Our mission is to help companies attract, retain, inspire and empower their people by creating dynamic and digitised workplace communities.”

Headquartered in Dublin, SpaceOS offers a workplace experience platform that Fabisiewicz said “turns smartphones into remote controls for the workplace”. The name derives from the concept of creating “an operating system for buildings”.

What this involves, Fabisiewicz explained, is digitising physical assets and providing APIs to integrate existing business technologies, such as access control. “[SpaceOS] covers everything from opening doors and booking desks and rooms, to ordering food, registering guests and sending out invoices, all blended seamlessly into daily workflows,” he said.

“Because of its modular structure, SpaceOS is ready to integrate with a variety of platforms to meet the specific requirements of any workspace infrastructure. It connects all stakeholders, reduces inputs and costs, provides insights, and offers smart management tools. It provides building managers and users with transparency, cost efficiency and real-time information, while focusing on the user experience.”

‘Dynamic workspaces are shaping the future of work’
– MARLEY FABISIEWICZ

Fabisiewicz sees the platform as essential to the transformed modern workplace. “We are targeting building owners, tenants, and managers. With a high demand for spaces to fit varying needs in a modern work environment, dynamic workspaces are shaping the future of work,” he said.

“However, current building management tools were typically designed before hybrid working became mainstream. As a result, they are inflexible and lack the adaptability and technology necessary to make today’s workspaces more efficient, while reducing operating costs.”

Demand for SpaceOS could also be employee-driven, Fabisiewicz explained, as modern workers demand systems that enable flexibility, engagement and sustainable practices. Clients can use the platform to deliver push notifications for news, events or community updates, and the service also offers detail data on carbon emissions, to support net-zero initiatives.

Environmental, social, and governance (ESG) goals have been a focal point of the start-up in the past year, leading to a partnership with Germany company Aedifion, which provides a cloud-based platform to collate data on buildings’ energy consumption.

“This collaboration allows property owners and managers to offer tenants a real-time visualisation of metrics regarding their energy usage and carbon emissions. This is the basis for transparency, and a step to make everyone in the workplace become a sustainability activist, supporting the decarbonisation of buildings,” said Fabisiewicz.

“We are currently working on managing heating, ventilation and energy based on occupancy and capacity data, to decarbonise buildings even more effectively. Future integrations will also allow tenants to remote-control HVAC, blinds, lights and more, through the SpaceOS app.”

‘The landscape has changed significantly since the markets tanked’
– MARLEY FABISIEWICZ

Serial entrepreneur Fabisiewicz also founded Upnext Technologies, a software and digital product development agency focused on the fintech industry.

SpaceOS was founded in 2017 by Fabisiewicz and his co-CEO Maciej Markowski, who has a background in real estate consultancy and proptech. “He has international experience in corporate workplace and change issues, advising major corporations on their workplace research, strategy and change management,” said Fabisiewicz.

So far, the founding duo have increased revenue three times over in the past 12 months and built up a strong client portfolio. “However, we are still in the early innings of the proptech game,” said Fabisiewicz. “Market saturation for tenant experience technology is at around 5pc globally, so there’s still a massive upside potential and room to grow.”

Of course, the present-day market disruptions present a challenging environment for growth and investment. “The landscape has changed significantly since the markets tanked,” said Fabisiewicz. “12 months ago, it was all about hypergrowth. Today, it’s all about how quickly you can become profitable.”

In Dublin, however, Fabisiewicz describes the start-up ecosystem as “a continuous boom” with “more money to be deployed by investors, more founders with great ideas, and a maturing ecosystem for start-ups in general”.

In his company’s case, SpaceOS is looking for “smart money” that offers more than a cash injection. Fabisiewicz is seeking investors who “not only write a cheque, but also support in building the business”.

“I believe especially in proptech this is essential for a successful start-up,” he said.

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