Tag: Programming
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What is Recursion? A recursive function explained with JavaScript code examples
Posted on June 27, 2021, Level beginner Resource Length long
Recursion is a technique used to solve computer problems by creating a function that calls itself until your program achieves the desired result. By Nathan Sebhastian.
Tags programming nodejs javascript app-development learning
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Writing better regular expressions in PHP
Posted on June 12, 2021, Level intermediate Resource Length medium
Regular Expressions are powerful, PHP but they are not known to be readable, and more often than not, maintaining a regular expression is not a straight-forward task. By Ayesh Karunaratne.
Tags php web-development app-development programming
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SRE fundamentals 2021: SLIs vs SLAs vs SLOs
Posted on June 7, 2021, Level intermediate Resource Length medium
A big part of ensuring the availability of your applications is establishing and monitoring service-level metrics—something that our Site Reliability Engineering (SRE) team does every day here at Google Cloud. By Adrian Hilton, Customer Reliability Engineer, SRE.
Tags app-development devops cio google programming infosec
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Extreme HTTP performance tuning: 1.2M API req/s on 4 vCPU EC2 instance
Posted on May 25, 2021, Level advanced Resource Length long
This post will walk you through the performance tuning steps that I took to serve 1.2 million JSON "API" requests per second from a 4 vCPU AWS EC2 instance. For the purposes of this recreated quest, we will ignore most of the dead ends and dark alleyways that I had to struggle through on my solo expedition. By Marc Richards.
Tags performance aws devops json programming cloud apis
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SSL with Spring WebFlux and Vault PKI
Posted on May 24, 2021, Level beginner Resource Length short
In this article, you will learn how to configure the Vault PKI engine and integrate it with Spring WebFlux. By Piotr Minkowski.
Tags infosec java programming
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A different way to work with external SVG
Posted on May 20, 2021, Level beginner Resource Length short
SVGs are awesome: they are small, look sharp on any scale, and can be customized without creating a separate file. However, there is something I feel is missing in web standards today: a way to include them as an external file that also retains the format's customization powers. By Shubham Jain.
Tags css web-development frontend programming
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How we put the first quantum computer on the cloud
Posted on May 12, 2021, Level beginner Resource Length long
Five years ago, we made history by launching the IBM Quantum Experience, putting the first quantum processor on the cloud for anyone to run experiments. By Ryan Mandelbaum @IBM.
Tags machine-learning bots programming app-development cloud
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Monitoring and observability in cloud-native ASP.NET Core apps
Posted on May 11, 2021, Level beginner Resource Length short
Distributed applications are complex and bring in their own set of challenges for developers to debug and fix production issues. Though the microservices architecture helps maintain a smaller team that works autonomously and focuses on separate business domains, it introduces newer challenges due to its distributed nature. By Nish.
Tags programming app-development devops azure monitoring
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WebAssembly to run blockchain using Go
Posted on April 26, 2021, Level intermediate Resource Length medium
Blockchain is a technology with countless applications and a great potential that is not yet fully utilized. It is an ordered list of blocks that are chained together, hence dubbed the name blockchain. By Mahmoud Fathy.
Tags golang app-development blockchain programming
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Postgres is out of disk and how to recover: The dos and dont's
Posted on April 22, 2021, Level intermediate Resource Length medium
Welp ... sometimes "stuff" happens ... and you find yourself having a really bad day. We'd like to believe that every database is well configured from the start with optimal log rotation, correct alerting of high CPU consumption and cache hit ratio monitoring. By Elizabeth Christensen.
Tags mysql database teams programming agile
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Tackling Java cold startup times on AWS Lambda with GraalVM
Posted on April 10, 2021, Level intermediate Resource Length medium
Have you ever tried running a Java application on AWS Lambda? Well, even the simplest Java application takes significant time to start up at first. The reason behind is simple. AWS has to prepare a runtime environment for your application when it executes the first time. This is called cold-start. By Arnold Galovics.
Tags java performance programming learning containers software-architecture
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2020 Tech lead survey looks at developers & hints into 2021
Posted on April 6, 2021, Level beginner Resource Length medium
Couchbase has surveyed IT decision makers annually to find out the challenges they face in executing their digital transformation strategies. Perhaps unsurprisingly, 2020 was different from previous years. However, it may come as a surprise to find out how attuned CIOs are to the plight of developers. By Christina Knittel.
Tags devops cio miscellaneous learning programming