The Book that teaches SQL to developers: learn to replace thousands of lines of code with simple queries! Learn how to deal with SQL in your developer workflow: versioning, testing, code reviewing, deployment. Best practice and tools are covered. Learn…
Create a bootable ISO of OS X / macOS, from the installation app file. The appropriate installation app file(s) must be located in /Applications i.e. /Applications/Install macOS Mojave.app /Applications/Install macOS High Sierra.app …
How Netflix works: the (hugely simplified) complex stuff that happens every time you hit PlayNot long ago, House of Cards came back for the fifth season, finally ending a long wait for binge watchers across the world who are interested in an American…
From Proof-of-Concept with Off-the-Shelf Hardware to Professional System Street lights can account for up to 40% of a city’s energy cost. Wireless street lighting control can cut that cost by half and remote monitoring can detect broken lamps…
The simplest way to send unlimited files around the world Filenation lets you send files as a link to an email. The files cannot be censored as they are sent stored and transmitted decentralised because it uses the InterPlanetary File System (IPFS). IPFS…
Presenting the most talked about books on Hacker News, Stack Overflow and Reddit Best of the Best Top 10 books to inspire CIOs and IT professionals in 2018 Do you love business and technology? These 10 books are good for people who is CIO or…
an interesting/influential/important paper from the world of CS every weekday morning, as selected by Adrian Colyer My VM is lighter (and safer) than your container My VM is lighter (and safer) than your container Manco et al., SOSP’17 Can we have the…
In this blog, we’ll provide a comparison between MySQL vs. MariaDB (including Percona Server for MySQL). Introduction The goal of this blog post is to evaluate, at a higher level, MySQL, MariaDB and Percona Server for MySQL side-by-side to better inform…
How to write a JavaScript-free todo app using just HTML and CSS I wrote a todo app. Unlike TodoMVC (where I took the design from) it doesn’t use JavaScript and instead all interactions are driven by CSS. How does this work? Here’s the short version: it…
When it comes to photography with the new iPhones, all the attention goes to the hardware and the improved sensors that can reduce noise and produce photos with better definition in more circumstances. But let's not overlook the software: iOS 11 offers at…
HEML is an open source markup language for building responsive email. Native Feel: Do you know HTML and CSS? Check out our docs and you're off to the races! No special rules or styling paradigms to master. Forward Thinking: HEML is designed to take…
One of our most popular deals is back, and if you would like to learn how to program apps for iOS 11 using Apple's Swift programming language, you're going to love it. Rob Percival's "The Complete iOS 11 & Swift Developer Course" is available for a…
Starting at 12:01 PDT on Friday, Apple will start selling two versions of the iPhone X in the US: the A1865 version and the A1901 version. If you’re not aware that two models exist, Apple won’t give you an option of which to purchase: you’ll be issued one…
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A list of reserved usernames to prevent url collision with resource paths. This repository hosts the list in multiple formats like JSON, CSV, SQL and plain text. You can use its just download its by wget. You can download the list by wget. wget…
This was originally posted on the LensVR blog. Part 2 is also available here. Web page rendering is one of the most interesting and active development areas in computer graphics. There are multiple approaches with pros and cons. In the post I’ll go into…
Driven by customer demand and made possible by on-going advances in the state-of-the-art, we’ve come a long way since the original m1.small instance that we launched in 2006, with instances that emphasize compute power, burstable performance, memory size,…
Apple's Core ML is a boon for developers, but security experts worry that it also could make it easier for bad actors to snoop on your private data.
A few weeks ago, I published what I thought at the time was a fairly innocuous article: How I replicated an $86 million project in 57 lines of code. I’ll admit — it was a rather click-bait claim. I was essentially saying that I’d reproduced the same…
MailChimp’s giveaways were unconventional, too. Free monkey hats for cats were delighting their superfans like me who were ready to pay more. Monkey mascot billboards with no mention of their name … “MailKimp” and other name-teasing campaigns that reached…
$ awk --version | head -n1 GNU Awk 4.1.3, API: 1.1 (GNU MPFR 3.1.4, GNU MP 6.1.0) $ man awk GAWK(1) Utility Commands GAWK(1) NAME gawk - pattern scanning and processing language SYNOPSIS gawk [ POSIX or…
About 6 months ago (in a galaxy pretty close to our office) … Our old hosting provider was having network issues… again. There had been a network split around 3:20 AM, which had caused a few of our worker servers to become disconnected from the rest of…
To build anything complicated, the one and only truly helpful strategy is to split what needs to be built into smaller parts and then focus on one part at a time. Ideally, those parts should be designed in a way that does not couple them with each other.…
Sign in Sign up GitHub is home to over 31 million developers working together to host and review code, manage projects, and build software together. Sign up Use Git or checkout with SVN using the web URL. Want to be notified of new releases in …
Did you know that when you’re using OpenSSH from the command line you have a variety of escape sequences available to you? SSH somewhere, then type “~” and “?” (tilde, then question mark) to see all the options. You should get something like: Supported…
Developers already have access to a number of tools that let them see how real-world users experience their websites, but until now they weren't able to see how their website user experience compared to others. Enter the Chrome User Experience Report...
I recently watched a couple of talks and read a few books on management that I thought were amazing soContinue Reading
Add new features to Paw through easy-to-build JavaScript-based extensions. Whether you want to have generated client code for your favorite yet exotic language or you want to compute custom authentication schemes on the fly, extensions give a way to make…
In this blog, I’ll look at how to do MySQL point in time recovery (PITR) correctly. Sometimes we need to restore from a backup, and then replay the transactions that happened after the backup was taken. This is a common procedure in most disaster recovery…
Orbitz, the travel website, offers slightly different prices to customers who are shopping through its app or a computer, and even between two different users on the same platform. Some of this may be due to experimentation and testing, but it’s also a…
In this blog post, I would like to describe an extension to the popular “functional options” pattern that has been described by people like Rob Pike and Dave Cheney. I recommend reading one of these articles if you are unfamiliar with this pattern, as…
By Mike Perlman This post was done in partnership with Wirecutter, reviews for the real world. When readers choose to buy Wirecutter's independently chosen editorial picks, it may earn affiliate commissions that support its work. Read the full artic...
The Web is much bigger than we think.“Dojo has already won.” said Alex Russell. We sat at a long chest-high table on the top floor of 543 Sansome st in San Francisco. The top two floors had been renovated and decked out by Mitch Kapor to house several of…
A low dependencies and self contained library to create C++ RESTful API services ( UNDER HEAVY DEVELOPMENT ). This library and the underlying HTTP server component do not support the full HTTP specs but were rather implemented with speed and simplicity in…
Percona announces the release of Percona Monitoring and Management 1.4.0. This release introduces the support of external Prometheus exporters so that you can create dashboards in the Metrics monitor even for the monitoring services other than those…
Sonnet Technologies has announced the $89.90 Thunderbolt 3 to Dual HDMI 2.0 Adapter. The compact bus-powered device enables users to connect up to two 4K ultra-high-definition (UHD) HDMI monitors with just one Thunderbolt 3 port on a Mac or Windows…
This article series explains how to write a tiny 32-bit x86 operating system kernel. We won’t do very much other than print Hello world! to the screen in increasingly complicated ways! We’ll start off in assembly and then build up to writing C++! A…
October 17, 2017 I recently worked on a Google AMP (Accelerated Mobile Pages) project, which was created to mitigate bloated websites from being at the top of Google results on their mobile web index. I personally think AMP is a bad thing for us but…
Check out Slashdot on Minds! | Migrate from GitHub to SourceForge quickly and easily with Check out all of SourceForge’s recent improvements. Facebook Security Chief Says Its Corporate Network Is Run 'Like a College Campus' An anonymous reader quotes a…
an interesting/influential/important paper from the world of CS every weekday morning, as selected by Adrian Colyer Today we have another paper inspired by talks from the GOTO Copenhagen conference, in this case Gojko Adzic’s talk on ”Designing for the…
Million dollar Zestimate competition attracts more than 4,350 competitors and 76,000 submissions as the qualifying round concludes. Continue reading Zillow prize ranks as one of most popular machine learning contests of all time at Property Portal Watch.
How To Use • Contributing • Roadmap • Website • Product Hunt It is based on Front-End developers' years of experience, with the additions coming from some other open-source checklists. All items in the Front-End Checklist are required for the majority of…
So recently I published an article titled “Microservices in Java? Never.” And it seriously split the camps. Java developers who were passionate about the language, the tools, the frameworks etc posed some very good counterpoints and having read these…
zsync is a file transfer program. It allows you to download a file from a remote server, where you have a copy of an older version of the file on your computer already. zsync downloads only the new parts of the file. It uses the same algorithm as rsync.…
Raspberry Pi 3 devices tend to overheat when they run prolonged heavy loads. When the processor’s internal temperature approaches 85 degrees Celsius, it protects itself by downclocking or shutting down completely. This can adversely affect performance of…
ApsaraCache is based on the Redis official release 4.0 and has many features and performance enhancements. ApsaraCache has proven to be very stable and efficient in production environment. There are many features in ApsaraCache, the following two are…
It is a simple and easy to use keylogger for macOS. It is not meant to be malicious. There are only few keyloggers available for Mac and none of them are in Swift. Another problem is with Apple high-level APIs. I don't know the reason but Apple suddenly…
Terms like “Progressive Web Apps” (PWAs) are useful to help spread concepts, but they come with a risk of misuse and misunderstanding. As a fairly new and evolving concept, PWAs may be defined and understood differently by different people. In this post,…
Techniques, strategies and recipes for building a modern web app with multiple teams using different JavaScript frameworks. The term Micro Frontends first came up in ThoughtWorks Technology Radar at the end of 2016. It extends the concepts of micro…
Recently I read Sapiens: A Brief History of Humankind by Yuval Harari. The basic thesis of the book is that humans require ‘collective fictions’ so that we can collaborate in larger numbers than the 150 or so our brains are big enough to cope with by…
Lately, I’ve been reading articles about best practices for code reviews. I notice that these articles focus on finding bugs to the exclusion of almost every other component of a review. Communicating issues you discover in a constructive and professional…
Someone recently tweeted about the fantastic news that MySQL fixed a bug. Now in my world, bugs get fixed quickly and well. Bugs happen and they need to be fixed. It never occurred to me that we should ever tweet or blog about the fixing of a bug. I guess…
A free, ready to use and completely customizable HTML UI Kit and 8 website landing page templates made on the top of Bootstrap 4. UnderExpress has 100+ custom coded, handcrafted UI components to make stunning web projects. Use it to save time and create…
Belkin’s 3.5 mm Audio + Charge RockStar adapter for the iPhone 8, iPhone 8 Plus, iPhone X, iPhone 7, iPhone 7 Plus answers many iPhone users’ prayers.
Welcome to post # 4 of the series dedicated to exploring JavaScript and its building components. In the process of identifying and describing the core elements, we also share some rules of thumb we use when building SessionStack, a JavaScript application…
This is a straight-to-the-point, distilled list of technical interview Do's and Don'ts, mainly for algorithmic interviews. Some of these may apply to only phone screens or whiteboard interviews, but most will apply to both. I revise this list before each…
In this post I would like to reflect a bit on the Julia programming language. These are my personal views and I have had more than a year developing a lot of packages for the Julia programming language. After roaming around many different languages…
500 Data Structures and Algorithms interview questions and their solutions
Sometimes a user with performance issues will proudly present me with a traceroute and point to a particular hop in the network and accuse it of being the problem because of high latency on the link. About 1 time in 1000 they are correct and the link is…
This Tuesday I decided to start a Web Design firm. Here is my progress so far (4 days) What does this mean? This means I am starting a Web design firm which will make websites for Dog Trainers. I believe selecting a niche makes a lot of things easier: *…
Yale Locks & Hardware says its Assure Lock family is now Apple HomeKit compatible. The new Yale iM1 Network Module, which provides support for the Apple Home app and Siri, will be available for purchase as of Oct. 16 in major retail stores in the U.S. and…
We recently released version 0.8.0 of SIP.js, which allows codec renegotiation to occur during WebRTC calls. This enables several new features, including music on hold and the ability to add video to an ongoing audio call. With this update, SIP.js is also…
In this blog, we’ll look at a mystery around setting the open_file_limit variable in MySQL and Percona Server for MySQL. MySQL Server needs file descriptors to run. It uses them to open new connections, store tables in the cache, create temporary tables to…
The Rust team is happy to announce the latest version of Rust, 1.21.0. Rust is a systems programming language focused on safety, speed, and concurrency. If you have a previous version of Rust installed, getting Rust 1.21 is as easy as: $ rustup update…
Regular Expressions (Regex): One of the most powerful, widely applicable, and sometimes intimidating techniques in software engineering. From validating email addresses to performing complex code refactors, regular expressions have a wide range of uses and…
As someone who identifies as non-binary, transgender and gay, I’ve come out a lot. As the co-creator of a "Transgender 101" course that introduces Googlers to trans issues, I come out to my coworkers every time I facilitate a session. Yet I still feel…
The Universal Clipboard feature in macOS High Sierra and iOS 11 allows you to copy content, including text, images, photos and video from one Apple device and paste it in another. For example, you can browse a recipe on your Mac and paste the ingredients…
Everything I know about Python... Looking for Python Tutoring? Remote and local (NYC) slots still available! Email me at [email protected] for more info. Python is the fastest growing programming language due to a feature you've never heard of …
Reported by Matheus Mariano, a Brazilian software developer, a programming error was discovered in Apple’s most recent operating system, High Sierra, that exposed passwords of encrypted volumes as password hints. A serious bug that quickly made the…
A major change in the maintenance lifecycle of Linux kernels is coming. During a Linaro Connect 2017 presentation on Android's Project Treble, Googler Iliyan Malchev announced that Linux LTS (Long Term Support) kernels were switching from a two-year…
While it does not seek to mirror all of find's powerful functionality, it provides sensible (opinionated) defaults for 80% of the use cases. * It's fast (see benchmarks below). * Smart case: the search is case-insensitive by default. It switches to case…
Ask HN: Why Isn't the Construction of CRUD Web UIs 90% Automated? It seems silly to write the same types of code over and over to build CRUD web user interfaces. There have of course been hundreds of UI builders. Why aren't they used? Styling should…
Every few months I enter the following query into Google: “Tensorflow sucks” or “f*** Tensorflow”, hoping to find like-minded folk on the internet. Unfortunately, although Tensorflow has been around for about two years, I still cannot find a bashing of…
This article will take about 17 minutes to read. Last summer I wrote this post which quickly became my most popular one to day. With webpack 2 and 3 it got outdated, so I decided to write a new one. I’ll assume you have a basic knowledge of unix…
For several years after the iOS SDK was announced, developers were flocking to Objective-C as they sought to get their slice of the app development gold rush. But those times are gone: Swift has been with us for over three years now, and has largely pushed…
I recently started exploring Go for some of my side projects and was really struck by its beauty. I realized how beautifully it made a balance between ease of use (generally associated with dynamically typed, interpreted languages), and performance and…
This week I took a crack at writing a branchless UTF-8 decoder: a function that decodes a single UTF-8 code point from a byte stream without any if statements, loops, short-circuit operators, or other sorts of conditional jumps. You can find the source…
A super slim root filesystem specifically designed to be used as a base image for application container images. Based on Debian GNU/Linux, the rootfs.tar.xz weighs in at only 12MB, and has access to largest GNU/Linux software repository with over 56,800…
A proposed standard which allows websites to define security policies. Read the latest Internet draft → Your security.txt file has been copied to your clipboard! “When security risks in web services are discovered by independent security …
The AutoRest tool generates client libraries for accessing RESTful web services. Input to AutoRest is a spec that describes the REST API using the OpenAPI Specification format. AutoRest is an open source tool -- if you need assistance, first check the…
Welcome to the September 2017 release of Visual Studio Code. There are a number of significant updates in this version that we hope you will like, some of the key highlights include: If you'd like to read these release notes online, go to Updates on…
Ethereal is a fake SMTP service, mostly aimed at Nodemailer users (but not limited to). It's a completely free anti-transactional email service where messages never get delivered. Instead, you can generate a vanity email account right from Nodemailer,…
As we walk around with mobile phones in our pockets, there are multiple radios each with identifiers that can be captured and recorded just through their normal operation. Bluetooth and Wifi devices have MAC addresses and can advertise their presence to…
The Art of Software Security Assessment: Identifying and Preventing Software Vulnerabilities The Art of Software Security Assessment is the definitive guide to finding software vulnerabilities by reading source code. Vulnerability research is not my area…
This is the 1st part of the series of understanding SOLID Principles where we explore what is Dependency Inversion and why it helps deliver software that is loosely coupled and testable. When reading books or talking to other developers, you might come…
One of the most exciting features shipped in the Percona Monitoring and Management 1.3.0 (PMM) release is support for MyRocks metrics via a new Metrics Monitor dashboard titled MySQL MyRocks Metrics. The support in PMM follows the recent Percona Server for…
Apache Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC, RDP, and SSH. We call it clientless because no plugins or client software are required. Thanks to HTML5, once Guacamole is installed on a…
Menu Careers The Curious Case of the Longevity of C Despite a reputation for fast change some technology choices have stayed remarkably static over the past few decades. In this article we look at the C programming language which is over 40 years old…
In this blog, I’ll use ClickHouse and Tabix to look at a new very large dataset for research. It is hard to come across interesting datasets, especially a big one (and by big I mean one billion rows or more). Before, I’ve used on-time airline performance…
