Articles

Getting Started With Service Calls and Serverless Workflow

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Workflows are great for orchestrating services, functions, or events. They provide out-of-the-box features to make your applications resilient, reliable, and simple.

But currently, each cloud vendor has its workflow solution. AWS has Step Functions, Google has Google Workflows, Microsoft has Azure Durable functions, and so on. The lack of a common way to define workflows becomes an issue when you need to migrate or host your applications on more than one cloud vendor. It also limits the potential for creating tools and infrastructures that support several platforms. This is what the Serverless Workflow specification addresses.

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A Brief History of Responsive Web Design

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Websites haven’t always been as adaptable as they are today. For modern designers, “responsivity” is one of the most significant defining factors of a good design. After all, we’re now catering to a host of users who frequently jump between mobile and desktop devices with varying screen sizes. 

However, the shift to responsive design didn’t happen overnight. For years, we’ve been tweaking the concept of “responsive web design” to eventually reach the stage we’re at today. 

Today, we’re going to take a closer look at the history of responsive web design.

Where Did Web Design Begin?

When the first websites were initially created, no one was worried about responsivity across a range of screens. All sites were designed to fit the same templates, and developers didn’t spend a lot of time on concepts like design, layout, and typography.  

Even when the wider adoption of CSS technology began, most developers didn’t have to worry much about adapting content to different screen sizes. However, they still found a few ways to work with different monitor and browser sizes.

Liquid Layouts

The main two layout options available to developers in the early days were fixed-width, or liquid layout. 

With fixed-width layouts, the design was more likely to break if your monitor wasn’t the exact same resolution as the one the site was designed on. You can see an example here. 

Alternatively, liquid layouts, coined by Glenn Davis, were considered one of the first revolutionary examples of responsive web design. 

Liquid layouts could adapt to different monitor resolutions and browser sizes. However, content could also overflow, and text would frequently break on smaller screens. 

Resolution-Dependent Layouts

In 2004, a blog post by Cameron Adams introduced a new method of using JavaScript to swap out stylesheets based on a browser window size. This technique became known as “resolution-dependent layouts”. Even though they required more work from developers, resolution-dependent layouts allowed for more fine-grained control over the site’s design. 

The resolution-dependent layout basically functioned as an early version of CSS breakpoints, before they were a thing. The downside was developers had to create different stylesheets for each target resolution and ensure JavaScript worked across all browsers.

With so many browsers to consider at the time, jQuery became increasingly popular as a way to abstract the differences between browser options away.

The Rise of Mobile Subdomains

The introduction of concepts like resolution-dependent designs was happening at about the same time when many mobile devices were becoming more internet-enabled. Companies were creating browsers for their smartphones, and developers suddenly needed to account for these too.

Though mobile subdomains aimed to offer users the exact same functions they’d get from a desktop site on a smartphone, they were entirely separate applications. 

Having a mobile subdomain, though complex, did have some benefits, such as allowing developers to specifically target SEO to mobile devices, and drive more traffic to mobile site variations. However, at the same time, developers then needed to manage two variations of the same website.

Back at the time when Apple had only just introduced its first iPad, countless web designers were still reliant on this old-fashioned and clunky strategy for enabling access to a website on every device. In the late 2000s, developers were often reliant on a number of tricks to make mobile sites more accessible. For instance, even simple layouts used the max-width: 100% trick for flexible images.

Fortunately, everything began to change when Ethan Marcotte coined the term “Responsive Web Design” on A List Apart. This article drew attention to John Allsopp’s exploration of web design architectural principles, and paved the way for all-in-one websites, capable of performing just as well on any device. 

A New Age of Responsive Web Design

Marcotte’s article introduced three crucial components developers would need to consider when creating a responsive website: fluid grids, media queries, and flexible images. 

Fluid Grids

The concept of fluid grids introduced the idea that websites should be able to adopt a variety of flexible columns that grow or shrink depending on the current size of the screen. 

On mobile devices, this meant introducing one or two flexible content columns, while desktop devices could usually show more columns (due to greater space). 

Flexible Images

Flexible images introduced the idea that, like content, images should be able to grow or shrink alongside the fluid grid they’re located in. As mentioned above, previously, developers used something called the “max-width” trick to enable this. 

If you were holding an image in a container, then it could easily overflow, particularly if the container was responsive. However, if you set the “max-width” to 100%, the image just resizes with its parent container. 

Media Queries

The idea of “media queries” referred to the CSS media queries, introduced in 2010 but not widely adopted until officially released as a W3 recommendation 2 years later. Media queries are essentially CSS rules triggered based on options like media type (print, screen, etc), and media features (height, width, etc). 

Though they were simpler at the time, these queries allowed developers to essentially implement a simple kind of breakpoint – the kind of tools used in responsive design today.  Breakpoints refer to when websites change their layout or style based on the browser window or device width.

Viewport Meta tags need to be used in most cases to ensure media queries work in the way today’s developers expect. 

The Rise of Mobile-First Design

Since Marcotte’s introduction of Responsive Web Design, developers have been working on new ways to implement the idea as effectively as possible. Most developers now split into two categories, based on whether they consider the needs of the desktop device user first, or the needs of the mobile device user. The trend is increasingly accelerating towards the latter. 

When designing a website from scratch in an age of mobile-first browsing, most developers believe that mobile-first is the best option. Mobile designs are often much simpler, and more minimalist, which matches a lot of the trends of current web design.

Taking the mobile first route means assessing the needs of the website from a mobile perspective first. You’d write your styles normally, using breakpoints once you start creating desktop and tablet layouts. Alternatively, if you took the desktop-first approach, you would need to constantly adapt it to smaller devices with your breakpoint choices.

Exploring the Future of Responsive Web Design

Responsive web design still isn’t perfect. There are countless sites out there that still fail to deliver the same incredible experience across all devices. What’s more, new challenges continue to emerge all the time, like figuring out how to design for new devices like AR headsets and smartwatches. 

However, it’s fair to say we’ve come a long way since the early days of web design. 

 

Featured image via Pexels.

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How to Pass Arguments to Events Like On:Click in Svelte

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Svelte events are the way we add interactivity to components in Svelte. A common issue with Svelte events is adding arguments to functions called within them. For example, suppose we have a basic counter, which increases any time the user clicks on it:

HTML

 

<script> // we write export let to say that this is a property // that means we can change it later! let x = 0; const addToCounter = function() { ++x; } </script> <button id="counter" on:click={addToCounter}>{x}</button>

This works fine, but let’s say we want to change it so that we increase the counter by a certain amount whenever it is clicked. We might try changing the code to something like this:

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5 Common Step Functions Issues

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Step Functions, the serverless finite state machine service from AWS. With DynamoDB, Lambda, and API Gateway, it forms the core of serverless AWS services. If you have tasks with multiple steps and you want to ensure they will get executed in the proper order, Step Functions is your service of choice.

It offers direct integrations with many AWS services, so you don’t need to use Lambda Functions as glue. This can improve the performance of your state machine and lower its costs.

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Exciting New Tools For Designers, April 2022

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Bored with the same old design tools? There are plenty of new toys to experiment with, from fun divots to functional design tools that could become your new go-to’s.

Here’s what is new for designers this month…

Kosmo

Kosmo is a new project management and invoicing system designed just for freelancers. Designers and developers will love it because the interface is sleek and modern. The tool lets you send invoices, track time, manage projects, send proposals and contracts, and manage billing. You can customize everything from your brand to colors so that your invoices reflect your business style. The platform has a free option as well, making it easy to have the tools you need to run your business. (Plus, there’s a very affordable premium plan if you want more features.)

STUDIO

STUDIO lets designers layout and publish responsive websites, including the ability to connect to backend data, all with a low learning-curve GUI and no coding knowledge prerequisites. You can publish to a free URL with free hosting on the cloud. The free version also includes forms. STUDIO also has premium plans if you like the tool for websites of all sizes and bandwidth needs.

NFT.js

NFT.JS allows you to deploy an ERC721 contract that can perform all the required functions without writing a single line of code. Interact with the contract by calling functions and sending transactions to the contract with a couple of lines of NFT.JS. Provide the input file into the metadata object, and NFT.JS uploads all the files provided in the metadata to IPFS as well as uploads the metadata.json file to IPFS and mints the NFT.

Color Morph

Color Morph is a fun little tool to help you generate mesh gradients in SVG format, or generate CSS, that you can snag and use in projects. The patterns are trendy and fun to use.

Scripts Organizer

Scripts Organizer is an advanced code editor for WordPress. This premium tool helps you make workflow scripts work for you with scheduling, advanced functionality, live previews, safe mode, SCSS partials, code injections, import and export, and more.

Texture

Texture is a fun web project that creates generative art that you can use for backgrounds or pretty much anything else. Preview the textures, pull the JavaScript or CSS or even edit and continue to play with them on CodePen.

Avvvatars

Avvvatars are a set of unique placeholder avatars that are free. The tool is easy to use, includes 40 colors, is accessible and lightweight, comes with 60 shapes, and is customizable. You can grab it on GitHub or as a Figma file.

Epic Ruler

Epic Ruler is a premium design utility tool that measures distance, dimensions, position, pick colors, test contrast, and align on-screen elements anywhere on your screen. You can also create alignments, and it comes with a great color picker that helps you pinpoint hues down to the pixel.

Jotform Apps

Jotform Apps is a new set of app tools from the company you may know for form-building tools. The free no-code app builder lets you add forms, links, widgets, and branding to one fully customized app that can be downloaded onto any smartphone, tablet, or computer. Get started with a template to jumpstart projects.

Spruce

Spruce is an open-source, lightweight CSS design system that’s built on Sass. The tool, which is in beta, is designed to help you start with a solid foundation for projects. It includes structure and code, typography, tables, and buttons.

Yaade

Yaade is an open-source, self-hosted, collaborative API development environment. It’s made for those who want self-hosting in security – if you don’t know the password, there’s no way in! You can import OpenAPI v3 files, there’s data import and export, and a dark mode default.

Agnostic UI

Agnostic UI is one stylesheet that works with multiple frameworks. The user interface components work in React, Vue 3, Svelte, and Angular. It includes semantic and accessible HTML with unprocessed CSS so you can code on the platform to get ahead of web standards.

Turbulent Buttons

Turbulent Buttons is a button-and-hover animation that goes the extra mile. This is a fun button and animation that is anything but boring.

Never Install

Never Install is a cloud platform that allows you to run any application from the browser without installing it on your device. It is an alternative to traditional desktop application usage and enables people to stream applications over the web. The developers are working on a next-generation cloud platform to bring any GUI application regardless of the operating system, device, and system requirements to the browser. The tool is free to use.

Photoinsight

Photoinsight is a tool (free and paid) to manage digital assets, including photos, videos, and 3D elements, in one place. You can search, filter, and group views based on your preferences. Plus, there are tools such as batch renaming and statistics and trends to help you manage files.

Formspector

Formspector answers that nagging question – are my forms working? Use the tool to set automated tests that will notify you if anything stops working, from newsletter signups to contact forms to support requests.

Wikifox.js

Wikifox.js is a lightweight, powerful, and restful JavaScript library that connects to the Wikipedia API. This library can be used to get content from Wikipedia.

Lightning Builder

Lightning Builder is a free browser-based drag and drop website builder. You can design a mockup in minutes so that you can show developers or writers what you are thinking when you are planning a new design or website project. Use it to ease communication for teams with new project builds.

Waaard

Waaard is a tiny tool with a lot of practical applications. Use it to create a protected link or file that only people you want to access it can open. With plenty of verification methods, you’ll know your links are safe.

Doodle Ipsum

Doodle Ipsum is the lorem ipsum of illustrations. Customize doodles, grab the code, and use them on web prototypes, landing pages, or no-code tools.

FF Din Stencil

FF Din Stencil is a fun display typeface for just the right application with a distinct style. It comes in a variety of weights and styles and is part of a greater FF Din family.

Fontanella

Fontanella is a typeface designed by Coto Mendoza, which emerged from calligraphy and manual drawing exploring the skeleton and classic proportions of Roman capital letters. It has an easy-to-read style with interesting sans serif characters.

Sarlotte

Sarlotte is a statuesque typeface with long tails, swashes, and flourishes. From the type designer: It seduces your eyes with its curves yet still manages to maintain its classy serenity, it’s perfect for branding, logos, invitations, and more.

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Overcoming Blank Page Paralysis

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Whether you’re new to the job or are an experienced designer, the anxiety of a new project can sometimes – often unexpectedly – cause us to freeze in our tracks. This creative paralysis sees us staring at a blank page, unable to come up with ideas, and the knowledge that time is slowly ticking away.

We’ve all been there. So we thought it would be helpful to share our tips and tricks for overcoming the tyranny of the blank page and help you get back to doing great work.

The first thing to know is that you are not alone; blank page syndrome has a basis in science, with a clearly identifiable set of symptoms that consistently occur together. 

The first thing to know is that you are not alone; blank page syndrome has a basis in science

It starts when you become stressed. Stress causes your brain to produce hormones that slow down neural functions, which only serves to increase the feelings of inadequacy over a lack of creative spark – and fuel anxiety. Understandably, this causes a spiral as your mind seems to get emptier and the blank page more threatening.

But don’t fear! Because there are ways to move past blank page paralysis and get back to productivity. 

Just Relax

Once you’re in a negative spiral, it’s notoriously difficult to get out of. The best solution is to avoid the spiral entirely – by starting in the right frame of mind. This means setting up a calm work environment before you even sit down. 

Do your best to avoid major distractions – such as young children who need your attention or colleagues who like to play music that vexes your soul. We’re not saying that you need a sound-proofed home office – the kitchen table might be fine – but schedule your work time for when the kids are at school or with a minder, or work from home if the office is likely to be noisy. A pair of noise-canceling headphones can be handy, too.

Avoid Distractions

Seemingly small things can also get in the way of your work. Chat and email notifications are the digital equivalents of a person calling your name from across a room. Try to avoid or silence anything that stops you getting into the creative mindset, even if you just mute things for a few hours. It’ll help you mentally separate your creative workspace from everything else.

all of those notifications will still be there when you resurface

Ultimately, you need to create a mood that you subconsciously associate with being productive. But even when the space around you is perfect, it can still take a while to get into the zone. Brains don’t just flip into creativity at the flick of a switch, so be kind to yourself. And remember – all of those notifications will still be there when you resurface later in the day. 

Do a Warm-Up

Studies have shown that a blank page is particularly stressful because it makes the task in front of you feel bigger than it really is. Gazing at an empty page is like seeing the whole project stretching out before you. The stress comes from the feeling of having to fill the whole journey, all the way from A to Z.

So don’t start with A! Instead, begin with a warm-up. Just as dancers always start with a series of exercises to warm up their muscles, creative designers can benefit from something similar. You could start by talking things through with colleagues or sketch some ideas using pen and paper, before opening your design app. 

Alternatively, you could start by planning your content hierarchy. You don’t need all the final words – but it can be helpful to work out how many headings you’re going to have, where images will sit, and whether your copy will be in paragraphs or lists. 

By doing this, you’ll have elements to place and a rough idea of their relative importance. It’s easy to get overawed by the importance of actual content – so start by getting a grip on the type, density, and length of content. 

Take Inspiration

The world around us is filled with inspiration and according to an icon designer Yannick Lung:

It helps to observe things in the real world and play around with them.

It can also help to borrow an idea. Obviously, we never condone copying someone’s work, but using existing work as a reference or jumping-off-point can help. Think of it as putting your own twist on an existing idea.

“I sometimes find it useful to reverse engineer a good example of the sort of thing I’m trying to write (and this works for design too). I usually break down a successful example into its constituent parts and swap them out for things more relevant to the project at hand, then refine from there,” says Harvey, one of Sketch’s brand storytellers.

Let Templates Take the Strain

Instead of putting pressure on yourself to instantly start designing, begin by creating templates or wireframes. This isn’t an avoidance tactic. Spending time creating an outline template saves time in the long run – plus, doing practical work that doesn’t need lots of detail will act as a warm-up. It might even help you catch potential issues in your designs earlier. 

Be Collaborative and Welcome Early Feedback

In general, people don’t work well in isolation – so collaborating with colleagues is a great way to get design ideas flowing. At the start of a project, reach out to your colleagues to let them know what you’re going to be working on and set up a session to collaborate on ideas and ask for direct input.

Never wait until the end of a project to ask for feedback. Involving your colleagues in the process early helps counter blank page paralysis and involving stakeholders can help you manage expectations. Aim to get regular and consistent feedback rather than waiting for it – which could cause a delay in your project. 

And of course, you should always choose a design software that enables real-time collaboration so that everyone working on a project can avoid version conflicts.

Avoid Burnout

When work isn’t physical, it can be hard to judge how much it takes out of us

When work isn’t physical, it can be hard to judge how much it takes out of us. If you’re suffering from blank page paralysis, it’s probably a sign that you’re starting to get burnt out. Try setting an alarm on the other side of the room so you have to get up to turn it off regularly – or just scheduling some time into your day to take a break, stretch, or even take a walk. Stepping away from your screen is good for your brain and your body.

In the end, the most important thing to remember when it comes to blank page syndrome is that you have to be kind to yourself. Nobody can be productive 100% of the time – we’re only human, after all. What matters is that you do whatever you need to get your creativity flowing.

 

Featured image via Pexels.

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AWS Lambda Aliases: A Practical Approach

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Lambda functions are a fundamental component of the AWS serverless model. They provide a simple, cost-effective, and easily scalable programming model based on FaaS (functions as a service).

Lambda ARNs

Lambda functions can be referenced by their ARN (Amazon Resource Name). For example, the ARN to reference a ‘helloworld‘ function in the ‘us-east-2‘ region in account ‘3445435‘ would be:

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How Milvus Balances Query Load Across Nodes

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In previous blog articles, we have successively introduced the deletion, bitset, and compaction functions in Milvus 2.0. To culminate this series, we would like to share the design behind load balance, a vital function in the distributed cluster of Milvus.

Usage

Milvus 2.0 supports automatic load balance by default. But you can still trigger load balance manually. Please note that only sealed segments can be transferred across query nodes.

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Mule 3 DataWeave(1.x) Script To Resolve Wildcard Dynamically

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Mulesoft DataWeave is a simple powerful tool to transform data inside a flow. Numerous core operators and functions are already present to perform various operations such as capitalize, camelize, upper, and lower.

For string operations, there are no core functions present to resolve a wildcard. I hope the DataWeave(DWL 1.0) function below helps you to perform a requirement where you want to resolve a wildcard using a set of parameters.

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What’s the Difference Between Good UI and Good UX?

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User Experience (UX) design and User Interface (UI) design are two terms people sometimes mistakenly use interchangeably. While aspects of each are interconnected, there are distinct differences between UI/UX design.

According to Internet Live Stats, there are over 1.9 billion websites, but not all are active at the same time. No matter how you slice it, there’s a lot of competition to grab and keep user attention. Good UX is just part of the equation. For a genuinely stellar site, you must also offer an excellent interface.

Learning the ins and outs of good UI and UX requires a bit of knowledge of how the two differ and what works. Although they weave in and out of the same design, they are different.

What Is the Biggest Difference Between Good UX and UI?

UI is the functionality of the design and what users see. How do they interact with various elements? UX is more the way things come together — both visual and interactive features — to create a feel for the user. You can certainly see why people confuse the two as they both apply to interacting with a website or app.

Top design firms often have team members specializing in each discipline. However, UX designers are also aware of UI, and UI designers are also mindful of UX. How can you ensure you’re offering excellent UI/UX design while covering the full spectrum of requirements for each?

Ensuring Effective UX Design

Good UX design increases conversion rates by 400% or more. The site visitor walks away feeling understood and not frustrated. What are some of the most important aspects of good UX design?

1. Create a Good Structure

What is the hierarchy of your site? What is the first thing the user sees when they pull it up? How do they navigate from one page to the next? A well-designed website classifies different aspects of the page, and new content naturally falls into the appropriate category as it grows.

When creating a structure for your site, think about how it might expand in the next five years. You want the hierarchy to work from day one, but you also want to think through significant shifts in the content you might see down the road.

Even your navigational hierarchy should accommodate new areas easily. Plan for the unexpected, so you know how to work it into the overall design when you must.

2. Choose Beautiful Aesthetics

You have a few seconds to make an excellent impression on your site visitors. Take the time to make sure your design functions and is visually appealing. Your color palette should work, images should be crisp and relevant, and typography should be readable and engaging.

Step back from your computer and look at your design from a distance. Does anything stand out that isn’t pleasing to the eye? Get feedback from visitors about what they like and dislike. Since the focus is on user experience, your best source of constructive criticism is from your target audience. Listen to their concerns and ideas.

3. Communicate With Site Visitors

Most experts agree that users want an element of interactivity on sites and apps. People want to know you hear them and get a response. Some ideas include adding a live chat option to your site or engaging in SMS customer support.

Put yourself in their shoes. A customer may visit your site for the first time, having never heard of your brand. They have no reason to trust you or that you’ll follow through on your promises. Potential leads may have a few questions before parting with their hard-earned dollars.

Adding various ways to communicate shows them you’ll be there should they have a problem. It’s much easier to trust a company when you know you can phone, engage in live chat or shoot off an email and get an almost immediate response.

4. Add Clear Direction

Excellent UX is intuitive. You should add calls to action (CTAs) and images pointing the user where they should go next. You can use graphics of arrows, people looking or pointing toward the next step, words, or CTA buttons.

Get feedback on how clear the directions are and tweak them as needed. The user should never have to stop and ponder what to do next. Everything on the page should guide them toward the ultimate goal.

5. Break Down Complex Data

Every industry has complicated data that is difficult for non-experts to understand. Part of good UX is breaking down complex information and sharing it in a simplified way.

One example might be the registration process. Instead of just showing text, a good UX designer would number the steps. Visualizations help add to understanding.

Embracing Effective UI Design

User Interface impacts UX and involves how the design works. The UI designer thinks through visitor expectations and then creates an interface that isn’t frustrating. UI works within the framework of a website to develop functional features. User experience isn’t the complete focus of UI, but it does tie into the planning phases. What are some elements of good UI design?

1. Set Standards

For a design to have good UI, it must perform as expected. Have you ever clicked on a button, and nothing happened? Determine how you want things to work and the minimum acceptable standards for your site.

For example, what happens when someone clicks on a link or button? How does the user know their action created the expected result? Consistency is crucial to how a site performs.

2. Choose the Right Colors

While UX designers look at the emotional impact of various colors, UI designers look at whether the shades match branding and how well the different ones contrast for readability and usability. UI/UX design often bridges a single designer’s work, so the employee ensures everything works as intended, both emotionally and functionally.

You may work with another designer to make the site aesthetically pleasing while also tapping into the emotions driving users. For example, some people love blue, so a blue button can have positive results.

UX and UI designers utilize split testing to see which users respond best to. Then, make adjustments as indicated by how site visitors respond.

3. Focus on Cognitive Matters

According to the Interaction Design Foundation, people can only retain around five things in their short-term memory. Designers should work with recognition instead, as users tend to rely on cues to find what they need.

UI designers may develop an intuitive navigation system and then use the same cues on every page, such as placement, color, and language. Users can then recognize the system without having to memorize it.

4. Prevent Errors

Your job is to ensure errors are kept to a minimum when designing a website or app. One of the most significant parts of a designer’s job is testing and retesting.

Think about all the potential problems a user might run into, such as broken links, images not showing, or incomplete actions. How can you keep those problems from occurring in the first place?

Error prevention is particularly vital when designing software as a service (SaaS) or apps. Users grow frustrated quickly and will find another solution rather than troubleshooting an issue. You’re much better off avoiding the error in the first place.

How Do UX and UI Work Together?

You’ve likely already figured out how closely UX and UI entwine to create a usable experience. The UX designer pays attention to function and interactivity, and the UI designer thinks through how the interface looks.

UX pays attention to the flow of the website and where users start, go next and end up. On the other end, UI figures out how the elements look to the viewer and where everything is placed.

The UX team may decide to add an extra button to the page. The UI team must determine where to place it, if any sizing needs must occur, and how it impacts usability on desktop and mobile devices.

Although each has a different function, user experience and user interface must work together to create a usable site the target audience responds to. You can’t have excellent UX without excellent UI, and vice versa. The best designers consider both and implement them to their fullest potential.

 

Featured image via Pexels.

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