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Why there is no Hitchhiker's Guide to Mathematics for Programmers
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www.jeremykun.com
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13 years ago
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eng
For those who aren’t regular readers: as a followup to this post, there are four posts detailing the basic four methods of proof, with intentions to detail some more advanced proof techniques in the future. You can find them on this blog’s primers page. Do you really want to get better at mathematics? Remember when you first learned how to program? I do. I spent two years experimenting with Java programs on my own in high school.
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Why there is no Hitchhiker's Guide to Mathematics for Programmers
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www.jeremykun.com
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13 years ago
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eng
For those who aren’t regular readers: as a followup to this post, there are four posts detailing the basic four methods of proof, with intentions to detail some more advanced proof techniques in the future. You can find them on this blog’s primers page. Do you really want to get better at mathematics? Remember when you first learned how to program? I do. I spent two years experimenting with Java programs on my own in high school.
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Why there is no Hitchhiker's Guide to Mathematics for Programmers
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www.jeremykun.com
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13 years ago
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eng
For those who aren’t regular readers: as a followup to this post, there are four posts detailing the basic four methods of proof, with intentions to detail some more advanced proof techniques in the future. You can find them on this blog’s primers page. Do you really want to get better at mathematics? Remember when you first learned how to program? I do. I spent two years experimenting with Java programs on my own in high school.
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After having worked with Scrum for a number of years, I still witness sprint reviews where the team’s demonstration of the product is confusing and the value produced in the sprint is unclear. The demo may consist of just a bunch of different functions and screens without any meaning. Or maybe the team is just talking about what happens behind the curtains in the database. Or maybe the demo just doesn’t display the value that the team was s..
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Git has a lot of features, and I bet that 90% of who use it (including me) doesn’t know half of them. Well, maybe, someday, one of those “unknown features” can “save your life” .
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When I communicated about concerns and issues - as well as complaints from Cryptoparty participants peeved with out-of-touch crypto-lecturers who wanted to teach command lines to crypto-newcomers - I got put downs, got brushed off, ignored, told ‘oh don’t worry, we’ll look after it, it won’t be a problem’, ‘don’t worry your head about it’, or aggravatingly - told that I wasn’t qualified to judge their choices as I wasn’t a crypto-expert or ..
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From the author of so simple , the article I referenced in my last post , speaking to her attempt at achieving a “simpler, greener, cleaner, freer life”: “I still feel very guilty about small habits which I can’t shake, one of which is my Nespresso coffee machine with its dependency on capsules bought in a store which makes my skin crawl with its ostentatiousness, a cathedral to consumerism. But today while stocking up my habit, I fo....
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Another blogger writing a response to Rohan Anderson’s post Hard at Work, Living Simple , putting in to words the feeling I spent so long attempting to quantify and capture but, ultimately, proved too elusive to voice in my commentary : “There is no manual, no one set way to downsize, seize life, focus on what’s important. But geez, when I read Rohan’s Whole Larder Love blog entry today, I was ready to make him my guru, his website..
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Can one have two tables with constraints of the same name? Is that even consistent between types of constraints? What about between database vendors? It turns out that it’s neither consistent between types, nor is the way in which it’s inconsistent consistent between database vendors. MySQL 5.5 | PostgreSQL 9.2 | Unique constraint names Local to ta..
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Links: Spinning Levers, Redis, College a bad investment, Playing the World Champ
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blog.darkmere.gen.nz
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13 years ago
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eng
Spinning Levers” 1936 Chevrolet Auto Mechanics – 10 min video illustrating starting off with levers and working to how a car tranmission and gearbox works Is College a Lousy Investment? – For an increasing number of kids, the extra time and money spent pursuing a college diploma will leave them worse off than they were before … Continue reading Links: Spinning Levers, Redis, College a bad investment, Playing the World Champ
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When the wagon lumbered up the street proclaiming the news of Aaron Swartz’s suicide, I jumped right on. I had never even heard of him, but I nevertheless jumped right on the bandwagon, eager to bemoan the passing of an individual many hailed as nothing short of a prodigy. I eulogized the man , praised his work , and condemned the system that supposedly drove him from this life. Tom Negrino of Backup Brain took a slightly different ap....
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I greatly admire what WordPress did for the web; to say that we want to be the WordPress of forums is not a stretch at all. We’re also serious about this eventually being a viable open-source business, in the mold of WordPress. And we’re not the only people who believe in the mission: I’m proud to announce that we have initial venture capital funding from First Round, Greylock, and SV Angel. We’re embarking on a five year mission to improve..
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No one could tell me why I was wasting my creative energy, focus, and life on something I didn’t want to do. Classes didn’t hold my attention- I could teach myself more in an afternoon than I would learn in a 10-week class. My classes appealed to the lowest-common denominator. The bottom of the barrel.” Permalink.
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Since my early twenties, I’ve looked at my older peers and tried to figure out why some stagnate and how others stay vibrant.” While Matt Might goes on to propose that “comfort breeds technical fossilization” and thus leads many writers to stagnate as time goes by, I would instead suggest that the blame should go to stagnation itself as both the cause and effect rather than simply the effect of growing comfortable, for through the door pr..
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A powerful story from Federico Viticci talking about his prolonged battle with cancer, his job as a technology writer, and some of the realizations that combination has forced upon him. “I’ve made mistakes in my life, but I can’t escape from what I love doing — what in part led me to being in this room. “‘Doctor, I write about technology.’” Permalink.
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Rohan Anderson of Whole Larder Love on the pursuit of happiness in a more simple life: “Many believe that you’re supposed to find love, get married, work you butt off, earn money, own stuff, out-do your neighbours and pop out perfect kids. People that believe in this are in fact, idiots. Because that approach is not suited for everyone. From my short life I’d say life is more about experiences, love, culture, memories, achieving conte..
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Ankündigung: Sendung 18 zu Sicherheitsschwankungen bei Software
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datenkanal.org
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13 years ago
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deu
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Last weekend I found myself at a place I rarely make it to these days: it was early evening, I had cleared my Instapaper queue of articles newer than the last week, and my feed reader’s article count read, for the moment, zero. I had no articles to read, no back-burner topics clamoring for my attention, and I felt unmotivated to wade through my extensive Instapaper backlog in search of a suitable topic to write about. The situation felt str..
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Rails 3.1 introduced the asset pipeline, which makes it easy to include versioned external assets as application dependencies.
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A common problem in machine learning is to take some kind of data and break it up into “clumps” that best reflect how the data is structured. A set of points which are all collectively close to each other should be in the same clump. A simple picture will clarify any vagueness in this: cluster-example Here the data consists of points in the plane. There is an obvious clumping of the data into three pieces, and we want a way to automatically..
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A common problem in machine learning is to take some kind of data and break it up into “clumps” that best reflect how the data is structured. A set of points which are all collectively close to each other should be in the same clump. A simple picture will clarify any vagueness in this: cluster-example Here the data consists of points in the plane. There is an obvious clumping of the data into three pieces, and we want a way to automatically..
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A common problem in machine learning is to take some kind of data and break it up into “clumps” that best reflect how the data is structured. A set of points which are all collectively close to each other should be in the same clump. A simple picture will clarify any vagueness in this: cluster-example Here the data consists of points in the plane. There is an obvious clumping of the data into three pieces, and we want a way to automatically..
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I somehow managed to forget to post this article after I wrote it, so here it finally is: A blast from the past in an article written three years ago today, on January 26, 2010, by Josh Bernoff: “We call this new world the Splinternet (with a nod to Doc Searls and Rich Tehrani, who used the term before us with a somewhat different meaning). It will splinter the Web as a unified system. The golden age has lasted 15 years. Like all gol..
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In the wee hours of this morning Andrew Sullivan and his team completed The Dish’s migration from The Daily Beast, transitioning fully to a reader-supported model. In an article posted to The Verge a few hours later titled Andrew Sullivan’s grand experiment in reader-supported online journalism is now live , Jeff Blagdon describes the challenges facing The Dish as one of the first major websites to become reader-supported: “Prominent....
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On Saturday, Jim Dalrymple posted an article to his blog The Loop called “ Scientists create near living crystal ”. When the article scrolled into view, I mused as to why a scientist creating something near a living crystal would be of any interest. After all, creating things is part of the scientist’s job, is it not? Then yesterday afternoon I saw an article titled “ We should only work 25 hours a week, argues professor ” from Science No....
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One of the most refreshing parts of the show is how humbly John approaches his opinions. It isn’t about him getting it correct, it is about arriving at the best result possible through collective effort. Nearly half of the show is John discussing follow-up comments he has received about past topics. Sharing his platform with the opinions and comments of others always felt incredibly intellectually honest.” I finally got around to David Sm..
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Everyone needs to send and receive files sometimes. Traditionally people send files as email attachments. This still works great, and supports encryption, but many mail servers are slow and cap the upper file size limit. ICQ was a great solution back in the 1990’s, but those days are now over. (I still remember my number.) A lot of folks use dropbox, which requires a dropbox account, and for you to trust them with your files.
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Everyone needs to send and receive files sometimes. Traditionally people send files as email attachments. This still works great, and supports encryption, but many mail servers are slow and cap the upper file size limit. ICQ was a great solution back in the 1990’s, but those days are now over. (I still remember my number.) A lot of folks use dropbox, which requires a dropbox account, and for you to trust them with your files.
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What’s maybe most striking about Tweetping is its presentation of data in pulses and punctuations: boomboomboomboom-PAUSE. That’s largely an accident of interface, but it also suggests something profound about Twitter and the social web: This stuff has a beat. It has rhythms and rushes and respites. It’s its own kind of organism, with its own kind of pulses — its own kind of heartbeat.” At first, the Tweetping world map is nearly empt..
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Hello and welcome to a public face for Cerner Engineering, by Cerner Engineering associates, to talk about engineering, technology, and all of the other awesome things we do. Cerner has been recognized as a visionary company, transforming the delivery of healthcare around the world. Improving the health of individuals and the delivery of care is an extremely large, complex, ever-changing problem. Along with the efforts of our strategists an..
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Rohan Anderson of Whole Larder Love , also featured in The Smokehouse , a video I discovered last week chronicling the construction of his personal smokehouse: “Sometimes when the pressure of city living would build to boiling point, I’d pack up my car and head bush. At times there would be a sense of insecurity, even fear, of the bush. Even though I grew up there, I would still be intimated. Why? Because I’d become a synthetic human...
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Following this morning’s announcement that the popular podcast You Look Nice Today would come to a close with one final episode , Rebecca O’Malley tweeted a link to a video from 2009 titled Smart & Funny: I’m sad to see the podcast end; it has been one of my favorites for quite some time now. For those looking to fill the void left after You Look Nice Today airs its final episode, check out one of Merlin Mann’s other podcasts Roderic..
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John Siricusa on Apple’s to-do list for the coming year, posted to his personal blog Hypercritical : “I didn’t just lead Apple to a record quarterly profit of $13.1 billion on sales of $54.5 billion, so I don’t expect to be consulted. But were Tim to ask me, here’s what I would tell him Apple should do in 2013 — in broad strokes, and in no particular order.” John’s third and seventh points, to diversify the iPhone product line and ....
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Most developers know this pattern well: we design a set of schemas to represent our data, and then work with that data via a query language. This works great in most cases, but becomes a challenge as data sets grow to an arbitrary size and complexity. Data sets can become too large to query and update with conventional means. These challenges often arise with Hadoop, simply because Hadoop is a popular tool to tackle such data sets.
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When I sat down to write earlier this evening there were a lot of things on my mind, my mind kept returning to the subject of design, still fresh in my mind after this site’s redesign last weekend. As much as I like the clean and simple layout I have now, it is not very media-friendly. I made this choice early on in the design process partially because I very rarely desire to post any sort of content other than plain text, but also because ..
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Proceedings began with a trip to All About Tea, whereupon we sampled the many delightful smells in search of a new flavour to consume. A packet of Lavender and Camomile Tea was purchased, the ingredients being, well, lavender and camomile. It smelt like “Grandma’s garden”, apparently. I guess that makes sense if your grandma had lavender flowers and whatnot. To replace our supply of Portsmouth Tea, which had run out, some Hampshire Tea was ..
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Proceedings began with a trip to All About Tea, whereupon we sampled the many delightful smells in search of a new flavour to consume. A packet of Lavender and Camomile Tea was purchased, the ingredients being, well, lavender and camomile. It smelt like “Grandma’s garden”, apparently. I guess that makes sense if your grandma had lavender flowers and whatnot. To replace our supply of Portsmouth Tea, which had run out, some Hampshire Tea was ..
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I’ve managed to scrape something together before the January deadline - a tree growing experiment in ImpactJS. You can see the mess of code I have on GitHub (I’m still not sure why my code looks misaligned on GH and not in my editor…) and play the actual game here . I’ve only tested in in Chrome so far and it’s buggy even there.
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You are working on two npm modules that are both actively being developed: my_app: some application, which depends on my_lib my_lib: a shared library There are 2 modes you'll need inside my_app: 1) using a published release of my_lib and 2) using a local development version of my_lib. Using a published release of my_lib is standard faire: list my_lib as a dependency in my_app/package.json 1. dependencies: {"my_lib": "1.2.x"} cd my_a....
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Should things pan out in Dish’s favor, we could very well see a fifth major carrier here in the US, something that would certainly shake things up in the wireless market. Whether or not Dish is able to accomplish that with Clearwire or by pursuing another deal will have to be seen, but we wouldn’t count the satellite provider out just yet.” In episode sixty-four of The Critical Path , Mano a Mano , Horace Dediu and Benedict Evans discus..
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When you put it all together, the story become clear: an outsider makes one edit to add a chunk of information, then insiders make several edits tweaking and reformatting it. In addition, insiders rack up thousands of edits doing things like changing the name of a category across the entire site — the kind of thing only insiders deeply care about. As a result, insiders account for the vast majority of the edits. But it’s the outsiders who..
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When setting your connection string in a .NET config file you can make use of the attribute by using and passing it the provider name.
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