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This is new /sec/, the security board. The intent is that this board will be used to discuss means of securing electronics and other machinery. Discussion of securing other types of objects, such as houses, safes, and privacy is very welcomed. Discussion of offensive means, cracking tools, and secret documents is permitted and also very welcomed. Do remember to be smart when discussing potentially illegal activities. Relevancy is cons..
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This is new /λ/, also addressable as /lambda/, the programming board. The intent is that this board will be used to share and discuss programs that have been made, for techniques and tools to be written of, and so other programming topics can be debated. This is not the board to recruit programmers for projects. If you have a project you want to discuss, have a good bit finished beforehand. Relevancy is considered very important in ..
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If you write a method like “add product to user’s cart”, you want to test that that method works. That method may require state to exist e.g. in a database (e.g. that the user exists, to whose cart the product shall be added), and testing it automatically e.g. with JUnit may require querying the new state (e.g. that the product is now in the user’s cart). You have these options:
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UPDATE: I’m leaving this series up for historical purposes, but please note that I no longer recommend Ubuntu Core or snaps for use in robotics. This is the second blog post in this series about ROS production. In the previous post we discussed why Ubuntu Core was a good fit for production robotics. In this post we’ll be on classic Ubuntu, creating the example ROS prototype that we’ll use throughout the rest of the series as we work toward ..
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circa 2019 This novel never fails to question how we live our lives. It explores many characters, with their equally many…
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CloudFormation vs. Terraform . a There is a time when every project that uses a cloud computing service has a difficult choice to make - should we automate the infrastructure or not? Immediately after, another question pops up - how should we do it? Should we use a dedicated tool ( AWS CloudFormation , Azure Resource Templates , OpenStack Heat or Google Cloud Deployment Manager ) or a provider-agnostic solution? And then - immedia....
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In second part of the series I talk about why I decided to choose Lollipop as Min SDK and why I developed the app in kotlin
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In second part of the series I talk about why I decided to choose Lollipop as Min SDK and why I developed the app in kotlin
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Machine learning . Artificial intelligence . Neural networks . It’s all exciting stuff, and I’ve been studying it for my master’s degree . But outside of the classroom, outside of computers, what has it taught me about life?
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A beginner-friendly tutorial on CSS Grid covering rows, columns, named lines and how it works alongside Flexbox
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A beginner-friendly tutorial on CSS Grid covering rows, columns, named lines and how it works alongside Flexbox
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A beginner-friendly tutorial on CSS Grid covering rows, columns, named lines and how it works alongside Flexbox
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So, the news broke. It’s all over the Internet. Mastodonis the new cool kid on the block. It came out on my radars a few months ago on ProductHunt, but now it’s “officially” a serious project : At least most of the major media outlets like for instance : Mashable: Bye, Twitter. All the cool kids are migrating to Mastodon.Mic: What is Mastodon? Everything to know about new social network**Yahoo: **Mastodon, the new alternative to Twitter**Th..
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So, the news broke. It’s all over the Internet. Mastodonis the new cool kid on the block. It came out on my radars a few months ago on ProductHunt, but now it’s “officially” a serious project : At least most of the major media outlets like for instance : Mashable: Bye, Twitter. All the cool kids are migrating to Mastodon.Mic: What is Mastodon? Everything to know about new social network**Yahoo: **Mastodon, the new alternative to Twitter**Th..
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Hello, everyone! Recently I've been working a lot with Node and I felt the urgent need to write a blog post about how to write good API tests. In those tests, all I do is send a request to an insta...
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Hello, everyone! Recently I've been working a lot with Node and I felt the urgent need to write a blog post about how to write good API tests. In those tests, all I do is send a request to an insta...
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One Cerner Style Icons (OCS Icons) are foundational UI elements required to produce a cohesive and consistent User Experience for Cerner Solutions. OCS Icons consist of a comprehensive icon library of platform agnostic assets which can be easily consumed by development teams. Why? The primary goal of this effort to elevate every aspect of the UI to create the best possible user experience. In order to do that, it is imperative to develop a ..
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matthew_butler · by the sound, near the sea-wall Inspired by Stephen Pollington’s translation of an Exeter Book riddle in Runes: Literacy in the Germanic Iron Age, this sound piece uses dadaists poem fragments to imagine a fictional Immanuel Kant discovering what it might mean to know the ultimate Reality. I was by the sound, near […]
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We're excited to announce we’re overhauling our pricing to make Snyk projects, and the ongoing protection they offer, free.
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Edit: looking back at this post from a few years back, it does look incredibly naive but still leaving this up - still a a few good links Back in the (not-so-distant) days, if you wanted to have some online software — to manage your invoices or your customers — or any kind of business management solution — you had to have your own servers for your company and install-and-configure the hell out of it.
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When I talk to people about the Internet – the first reaction is always : “Yes! Today you have no choice”. Then when I dig a little deeper – you hear the real stories. The “Yes… but…” – not in our industry – people are not buying online really – the market is not ready – it is still early So first, who is connected? Look, in case you haven’t noticed but everyone is.
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Edit: looking back at this post from a few years back, it does look incredibly naive but still leaving this up - still a a few good links Back in the (not-so-distant) days, if you wanted to have some online software — to manage your invoices or your customers — or any kind of business management solution — you had to have your own servers for your company and install-and-configure the hell out of it.
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When I talk to people about the Internet – the first reaction is always : “Yes! Today you have no choice”. Then when I dig a little deeper – you hear the real stories. The “Yes… but…” – not in our industry – people are not buying online really – the market is not ready – it is still early So first, who is connected? Look, in case you haven’t noticed but everyone is.
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UPDATE: I’m leaving this series up for historical purposes, but please note that I no longer recommend Ubuntu Core or snaps for use in robotics. My background is pretty heavily littered with robotics. A natural side effect of this is that I’ve published numerous posts discussing snaps, Ubuntu Core, and different robotics frameworks (ROS and MOOS specifically). But my robotics experience was professional, which meant I didn’t really have a r..
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Abstract When using a firewall system like IPFW to detect threats, the system can end up doing a lot of packet processing. This can negatively impact performance-sensitive systems such as storage nodes in data centers. This paper describes a practical solution to this problem using a load-weighted probabilistic mechanism that …
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Abstract YouTube videos are categorized into a number of classes such as music, entertainment, sports. This paper will explore how these categories are related, how strongly they are related, and the techniques used to gain this information. Data mining, graph analysis, and visualization techniques will be leveraged to accomplish this …
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Abstract When using a firewall system like IPFW to detect threats, the system can end up doing a lot of packet processing. This can negatively impact performance-sensitive systems such as storage nodes in data centers. This paper describes a practical solution to this problem using a load-weighted probabilistic mechanism that …
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Abstract YouTube videos are categorized into a number of classes such as music, entertainment, sports. This paper will explore how these categories are related, how strongly they are related, and the techniques used to gain this information. Data mining, graph analysis, and visualization techniques will be leveraged to accomplish this …
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At Cerner, we use Chef. In fact, we’re heavily ingrained with Chef in our configuration management practices. We deploy services from Tomcat to Kafka with Chef. Even the first open source project we announced was a tool for Chef! With all of this integration with Chef, we need a simple way to manage all of those versions. This is where the Version Databag cookbook comes in. At a high level, this cookbook allows us to define our versions in ..
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A few years back, I was disappointed that so many open source licenses were opaque and hard to understand. So in 2011 I created a satirical license.
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The purpose of this article is to document a minor frustration I ran into at work a few weeks ago, in the hopes that somebody else with the same issue will stumble across it. If I can save another poor soul some time, then it will be well worth writing this.
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If you wanted a fast computer back in 1976, you bought the 5.5 ton, $9 million Cray-1 made by Cray Research. The Cray-1 was dubbed the first supercomputer as it was designed to be much faster than other (more massive) computers of the time. It was incredibly successful in the large computing space and Cray subsequently released a much faster model called the Cray X-MP in 1983 (shown in the picture at the top of this post). By today’s st..
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If you wanted a fast computer back in 1976, you bought the 5.5 ton, $9 million Cray-1 made by Cray Research. The Cray-1 was dubbed the first supercomputer as it was designed to be much faster than other (more massive) computers of the time. It was incredibly successful in the large computing space and Cray subsequently released a much faster model called the Cray X-MP in 1983 (shown in the picture at the top of this post). By today’s st..
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HackerEarth prides itself in its scalable & automated evaluation system. What was initially designed keeping standard programming problems in mind (check this post out), gradually evolved to accommodate a plethora of problem types across various tech domains. Currently supported Problem Types Programming Frontend Objective Android Subjective File based Multiplayer Approximate Golf Machine Lea....
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Recently, Wingify had organised a 24-hour Internal Hackathon where the developers from Wingify created a lot of awesome projects for daily…
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I needed to compute timestamps representing the start and end of "last month" so I could build a URL needed to generate an invoicing report. Because the URL uses actual dates, I can't just bookmark it since it changes every month. Python has a lot of date and time management capabilities, but finding the one that is going to get the job done correctly and succinctly is actually harder than the code itself. With that in mind, here's essent....
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