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Earlier this week, I did a presentation for WWITPRO that detailed the UNIX philosophy and its relevance today. Given the subject matter, I decided to do the presentation in PostScript on my SPARCbook running Sun Solaris 2.5.1. This blog post details the content of the presentation for posterity! What is UNIX? Simply put, UNIX is an operating system that was created by Ken Thompson in 1969 that was rewritten shortly thereafter in Dennis Ri..
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Earlier this week, I did a presentation for WWITPRO that detailed the UNIX philosophy and its relevance today. Given the subject matter, I decided to do the presentation in PostScript on my SPARCbook running Sun Solaris 2.5.1. This blog post details the content of the presentation for posterity! What is UNIX? Simply put, UNIX is an operating system that was created by Ken Thompson in 1969 that was rewritten shortly thereafter in Dennis Ri..
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10 serverless security best practices for securing your serverless and cloud functions, from managing secrets, to data security, function isolation, least privileges and many more!
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The "backspace" key on the keyboard should delete the last character you typed
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www.databasesandlife.com
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7 years ago
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eng
I hate when pressing the “backspace” key on the keyboard a certain number of times doesn’t wipe out that number of previous keystrokes. For example, on Mac, if you press the spacebar twice then press backspace key twice you end up with one space. (As Apple inserts a period when you type space twice, so there are now three characters to delete.) Or on Chrome, when typing in the URL bar, pressing the backspace key removes the auto-suggest..
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Patrick Wilbur has written a great two-part series on the dangers of public WiFi networks, over at HackerNoon. In part one , he shows just how little work it takes to steal personal information from unsuspecting users at a cafe. His second article explains some of the reasons that took so little work, as well as a few ways to fix them. Part three outlines concrete steps the average internet user can take to make themselves less suscept..
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Practical tips and advice for making the most of your WWDC experience, from packing essentials to navigating labs and networking events.
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When I wrote about App-pocalypse Now in 2014, I implied the future still belonged to the web. And it does. But it’s also true that the web has changed a lot in the last 10 years, much less the last 20 or 30. Websites have gotten
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A short overview of the testing package # The testing package from Golang’s standard library provides support for automated testing of Go packages.
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Sometimes the DNS for a specific domain on your machine needs to point somewhere else – at Curalate, we test changes microservices locally before shipping them, which could require redirecting requests to look at that local instance. One way to do this is by adding an entry like 127.0.0.1 some.service.curalate.com to /etc/hosts. Why use a hosts file manager? In most cases, it’s not advised to directly modify /etc/hosts. Because it’s burie....
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Use the "Repeatable Read” Isolation Level on PostgreSQL
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www.databasesandlife.com
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7 years ago
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eng
The database system like PostgreSQL serves requests from many clients simultaneously. Sometimes multiple simultaneous requests might pertain to the same set of data. Programmers often (wrongly) think about the software they write as if it were the only process using the database. The danger is that often their software is the only piece of software using a particular piece of data, meaning that bugs due to this incorrect mindset often go un..
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The Internet ranks among the greatest inventions of all time. It gives everyone instant access to mankind’s collective wisdom, learned through millions of years of evolution. It connects people across cultures, continents, and time zones. It ushered in an era of unprecedented economic growth. History already recognizes the Internet’s remarkable impact, in the few short decades it has existed so far, and its significance will continue to gro..
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Via Using Emacs as Default Mailer on macOS , a tiny script to handle mailto: links. From //Script Editor/, save following script as Application (MailOnEmacs.app). From Mail.app, Preferences -> Default email reader and chosse MailOnEmacs.app. on open location myurl tell application "Emacs" to activate set text item delimiters to {":"} do shell script "/path/to/emacsclient --eval '(browse-url-mail \"" & myurl & "\")'" end open locati..
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It’s been a little while since I wrote something Java-related ( March 28, 2019 was the last time, to be exact) so I figured I write something simple.
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Robert Graham just reminded me why I started reading Errata Security . I hadn’t yet gotten around to the recent New York Times article on the Baltimore hack, but his response makes it clear that the op-ed is not worth my time. I can only hope Rob’s post gets as much attention as the piece that prompted it. I also found his dive into the BlueKeep vulnerability interesting; The Hacker News , another site I check every morning, has alre..
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I am immediately skeptical of any framework for getting something done. Individuals often use these elaborate processes to procrastinate, and in organizations they have a tendency to become bloated risk avoidance mechanisms. I see the former danger in David Maciver’s strategy for doing hard things , but it did remind me of my own, so I want to take a minute to share my approach here. In short, just do the hard thing. When you don’t feel ..
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Get simple data management, base maps, tools for map styling, single login and other advantages for your geodata hosting.
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For the past couple years we’ve been implementing new features with an MVVM-driven approach . Over that time, we’ve settled into a couple of good (I think) patterns for implementing UIView subclasses, composing them in various view hierarchies, and handling the interactions between them. Ultimately, the goal of any iOS application is to get data presented onto the screen, so I thought I’d share what’s been working well for us in that depar....
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In this post, we’ll take a look at the vulnerabilities that have been found in the top ten Java libraries picked by OverOps, and focus on three of them in more depth.
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The H96 Max + is an Android 8.1 box with a Rockchip 3328, 4Gb RAM and 32G or 64G builtin eMMC, it’s the same chipset as the Rock64, it costs around 60 USD. The only downside of this board is the 100Mb network link, can be a non issue using a USB network adapter. July 2020 EDIT: Works with mainline, look at the bottom. Here are some notes how to install Arch Linux on the H96 to make it a small server appliance.
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You've run the numbers. Plenty of people are hitting your marketing site, plenty of people are signing up for free trials. The problem is conversion - maybe 3% of your trial users convert to paying user. Maybe less. You probably have too many free trials.
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I don't add linux sudoers frequently enough. Always looking it up. Keeping snippet. adduser -m -d /home/
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My ledger file Save path to my.ledger in ledger-file block. #+name: ledger-file #+begin_src emacs-lisp "my.ledger" #+end_src gnuplot terminal (png or qt) Select gnuplot terminal. Using png to output images, but qt is handy too for interactive chart inspection. Use png for inline or qt for interactive #+name: gnuplot-term #+begin_src emacs-lisp "png" #+end_src Monthly Income and Expenses Generate income report. #+name: income-dat....
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I was listening to the audiobook for “Questions Are the Answer” by Hal Gregerson and it mentioned an approach used by the X lab at Alphabet nicknamed “MonkeyFirst”.
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I was listening to the audiobook for “Questions Are the Answer” by Hal Gregerson and it mentioned an approach used by the X lab at Alphabet nicknamed “MonkeyFirst”.
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We are pretty excited to share that last week Snyk was recognized as a ‘Next European Unicorn’ at the 2019 Vivatech Awards.
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Here are my notes to install Arch on a Rock64 and boot on USB first. Warning, you can brick your device (but can unbrick it), you are on your own. Follow Arch Instructions to Install on an SD Card Boot on it Insert your USB device and follow the exact same installation but this time to the /dev/sdadevice At the end Mount / into root again Run blkid to grab the UUID of your /
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Can you design iOS with Microsoft Word? Well maybe you never thought it was possible, have a look at the video and then let’s talk… When you know what you want to create, when you have a clear vision of the result then tools are merely a way to get there and you will get to the result you want. In the video above, you can see a perfect execution of someone executing the iOS design into Microsoft Word.
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Can you design iOS with Microsoft Word? Well maybe you never thought it was possible, have a look at the video and then let’s talk… When you know what you want to create, when you have a clear vision of the result then tools are merely a way to get there and you will get to the result you want. In the video above, you can see a perfect execution of someone executing the iOS design into Microsoft Word.
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Via Minko Gechev's tweet . Saving in an org block, just because… changeMAC() { local mac=$(openssl rand -hex 6 | sed 's/\(..\)/\1:/g; s/.$//') ifconfig en0 ether $mac ifconfig en0 down ifconfig en0 up echo "Your new physical address is $mac" } changeMAC #+RESULTS: Your new physical address is b4:b2:f8:77:bb:87 ps. Also see Execute org blocks as root .
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Writing an x86 emulator from scratch in JavaScript: 1. a stack and register machine
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notes.eatonphil.com
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7 years ago
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eng
Better yet, take a look at this post walking through emulating x86 ELF binaries in Go: Emulating linux/AMD64 userland: interpreting an ELF binary Next up in emulator basics: 2. system calls In this post we'll create a small virtual machine in JavaScript and use it to run a simple C program compiled with GCC for an x86_64 (or AMD64) CPU running Linux. All source code is available on Github. Virtual machine data sto....
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THIS IS A WORK IN PROGRESS < Below you will find log entries that describe the design/thinking process. Idea < The goal is to build a device that could allow me to comfortably measure time spent on a project. I want to have a full history of the time spent on particular project. The time log needs to be plain text, easily queried and human readable. Process < 2023-08-23 And here we go with another attempt at prototyping..
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These are my notes from attending the Consensus 2019 conference in New York - there is a good chance that some of the notes I made are incorrect.
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These are my notes from attending the Consensus 2019 conference in New York - there is a good chance that some of the notes I made are incorrect.
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I have talked about arguments for and against Huawei before, as well as the challenge of judging risk in this space. Many of those in favor of Huawei cite a lack of concrete evidence against the company, but as James Vincent reports at The Verge , it appears US intelligence agencies have begun providing that evidence . The new law requiring them to cut ties with Huawei of course explains why US tech companies have done so , but perha..
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The privileged don’t need DAOs As someone who’s spent months thinking about DAOs and governance, I knew there was a problem when I asked myself “Do I, personally, have need for a DAO today?” and answered “No”. To me, DAOs, or Decentralized Autonomous Organizations, are tools for collaboratively producing work. For instance, a software development startup could set up a DAO to handle its finances and decision making, in place of a corpora..
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Another month, another dollar, another blog stat report. It’s May 2019, and I’m once again going to play it lazy and just dump the numbers.
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