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In this post we’ll get a quick look at two ways to define a category as a type in ML. The first way will be completely trivial: we’ll just write it as a tuple of functions. The second will involve the terribly-named “functor” expression in ML, which allows one to give a bit more structure on data types. The reader unfamiliar with the ML programming language should consult our earlier primer.
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Figure 1. Just hold down your chosen compose key, then press the other keys in turn: [compose key] + e + = gets you a Euro symbol. The compose key on Linux is incredibly useful, but not configured by default - and on XFCE there’s currently no graphical UI to change it. However, it’s pretty simple to change… here’s how to make the Caps Lock key your compose key: In the file /etc/default/keyboard, change XKBOPTIONS to look like this....
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Over the past couple of weeks I’ve been attempting to get up at 5am to work on snails before going in to actual work. It’s been working for the most part apart from a couple of slip-ups and basically goes like this:
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This was a difficult piece for me to write because my feelings regarding academic writing are so conflicting. On the one hand, I view academic writing — by which I mean the type of writing taught in American schools — as a certain boon: it introduces kids to the writer’s craft, teaches young writers how to write, and provides an introduction to organizing and conveying thoughts and ideas in a coherent and orderly fashion. On the other hand ..
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Allan McRae , Pacman developer, found an interesting small tool, called Distro Picker . This tool finds the Linux-Distribution based on what you prefer as a Desktop Environment, Package Manager and other settings. When I tried it out, it offered me my current distro: Arch Linux , so interestingly, it works really well! I’ll definitely have to take a look at the other distros offered.
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Cosa sono i gli HTTP Cache Header e come funzionano? Che uso ne fanno i browser e le CDN? Come è preferibile impostarli per ottimizzare le prestazioni di un sito o di un servizio web? Se volete saperne di più A Beginner’s Guide to HTTP Cache Headers fa senz’altro per voi.
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I figured I’d put together a list of the main features I need to finish for A Game of Snails. If anything, it’ll help me gather my thoughts and track my progress better as well as helping me figure out what to work on next. What I should be doing is compiling specs properly for this, but I’ve been too preoccupied with actually working on the thing to keep up with the documentation. Not to mention this game has been in my head for so long (7..
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Virtually every time Dan Benjamin is interviewed, the host eventually asks the same question posed by numerous interviewers of days gone by: “When people ask what you do, what do you tell them?” And every time, Dan answers the same way, saying that his answer depends on the person asking. For some, Dan responds that he is in broadcasting and leaves it at that; in other cases he goes in to more detail, qualifying that statement by describing..
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Located outside Silverton, Colorado. I have heard great things about the states out west and Colorado in particular. I would love to visit there some day, especially if I could spend a few nights in a cabin like this. Permalink.
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Two interesting anecdotes showing a different, less praiseworthy side of Steve Jobs. The man was not perfect, as many purported him to be in the sad hours following his death, but a mere mortal not just like the rest of us, but human nonetheless. “He made himself so fearful and terrible that an entire group of amazing, talented, hard working people, ended up getting screamed at wrongfully. It was his fault that the MobileMe launch went ..
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This isn’t going to be a huge world changing ecosystem, but there is room for one little monster to take it all.” Although I feel Alex Kessinger’s numbers would have benefited from some more research and the methods used to obtain his eventual conclusion could use some polish, his estimate seems to at least be in the ballpark of probability, as does his conclusion. Permalink.
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Two years of life as an expat coder in middle-of-no-where Japan
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www.bemmu.com
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13 years ago
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eng
After reading this article, I went back and forth trying to decide whether or not I should link to it. The piece was not particularly remarkable in any way, after all. Regardless of how I justified not writing about it though, I kept coming back to this story until I eventually gave in. It’s a touching story tinged with the melancholy undertone of existential ennui. Having spent months away from home multiple times in the past, I can empath..
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This is going to be two-part post about both A Game of Snails and running (and Sweden!) A Game of Snails I took a few days off of A Game of Snails, but it’s coming along pretty nicely overall. The last week has been set on setting up the database. You can now save users and snails to the database, load a player’s snails when they log in, etc. Up next I just need to start saving a player’s snail jars (players can buy more jars with virtua..
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Acetylides from Alkynes, And Substitution Reactions of Acetylides
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www.masterorganicchemistry.com
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13 years ago
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eng
Alkylation of acetylides Terminal alkynes have unusually acidic C–H bonds (pKa 25). Treatment with a strong base such as sodium amide (NaNH2) gives an acetylide,
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In the past I have written one article about women and equality, A Crying Shame . I am quite proud of that article. So much so, in fact, that unlike many of the other topics I rehash here, I have felt no need to write anything more on the subject. I did feel pushed to at least mention the article linked at the head of this post, however, especially after listening to what I seem to recall was episode #114 of Back to Work a few weeks ago.....
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How I made a simple Business Model Canvas for geekar
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myownfortune.wordpress.com
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13 years ago
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eng
The power of simple python scripting is one of the themes of this blog, and now I can show a great practical example. I needed to create something that looks like this: This is a simple HTML table with some CSS. But trying to write it in HTML would result in a lot of copy-pasting […]
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I started exercising my idea muscles a few days ago. Every day I think of 10 startup ideas and develop one into a business model. Some will be published here. Lets begin with the first example – geekar, an Augmented Reality-enhanced retail, in the most early-adopter industry I know: geeks. geekar will sell comic books, […]
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When I first came across this article a few weeks ago while browsing Less Wrong, Eliezer Yudkowsky’s chronicle struck me as the perfect example illustrating the importance of a number of different things, primary of which was the significance of asking the right question. Alongside this topic the author also touched on the value of keeping an open mind, possessing a willingness to abandon pre-conceived notions when presented with new eviden..
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Previously on this blog, we’ve covered two major kinds of algebraic objects: the vector space and the group. There are at least two more fundamental algebraic objects every mathematician should something know about. The first, and the focus of this primer, is the ring. The second, which we’ve mentioned briefly in passing on this blog, is the field. There are a few others important to the pure mathematician, such as the $ R$-module (here $ R..
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Previously on this blog, we’ve covered two major kinds of algebraic objects: the vector space and the group. There are at least two more fundamental algebraic objects every mathematician should something know about. The first, and the focus of this primer, is the ring. The second, which we’ve mentioned briefly in passing on this blog, is the field. There are a few others important to the pure mathematician, such as the $ R$-module (here $ R..
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Previously on this blog, we’ve covered two major kinds of algebraic objects: the vector space and the group. There are at least two more fundamental algebraic objects every mathematician should something know about. The first, and the focus of this primer, is the ring. The second, which we’ve mentioned briefly in passing on this blog, is the field. There are a few others important to the pure mathematician, such as the $ R$-module (here $ R..
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In the mid-1800s, there were thousands of unique varieties of apples in the United States, some of the most astounding diversity ever developed in a food crop. Then industrial agriculture crushed that world. The apple industry settled on a handful of varieties to promote worldwide, and the rest were forgotten. They became commercially extinct — but not quite biologically extinct.” A nice change of pace from the usual; a delightful article..
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Malgrado la giovane età Source Code Pro di Adobe domina incontrastato, col più classico Consolas come sua regina. Inconsolata-g e Monaco seguono a distanza mentre il mio preferito, Menlo, è tristemente indietro: What Are the Best Programming Fonts?
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The web is built of links, of pages linking to other resources on the internet. But making those links manually is tedious. This is another area where modern inline editors could do better. Yesterday on Hacker News, there was a thread about Wikidata , Wikimedia Foundation’s new knowledge base. This comment struck me especially: I was using Wikipedia the other day and it occurred to me how primitive it is to have all the inner lin....
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The web is built of links, of pages linking to other resources on the internet. But making those links manually is tedious. This is another area where modern inline editors could do better. Yesterday on Hacker News, there was a thread about Wikidata , Wikimedia Foundation’s new knowledge base. This comment struck me especially: I was using Wikipedia the other day and it occurred to me how primitive it is to have all the inner lin....
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How would you start your own talk show? The cool thing about creating a talk show is that it costs nothing other that time and a few opinions.
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Jenny Lustig is an alumni of, and is currently a front-end mentor at The Starter League, a web development school in Chicago.
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The web is built of links, of pages linking to other resources on the internet. But making those links manually is tedious. This is another area where modern inline editors could do better. Yesterday on Hacker News, there was a thread about Wikidata , Wikimedia Foundation’s new knowledge base. This comment struck me especially: I was using Wikipedia the other day and it occurred to me how primitive it is to have all the inner lin....
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The web is built of links, of pages linking to other resources on the internet. But making those links manually is tedious. This is another area where modern inline editors could do better. Yesterday on Hacker News, there was a thread about Wikidata , Wikimedia Foundation’s new knowledge base. This comment struck me especially: I was using Wikipedia the other day and it occurred to me how primitive it is to have all the inner lin....
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The web is built of links, of pages linking to other resources on the internet. But making those links manually is tedious. This is another area where modern inline editors could do better. Yesterday on Hacker News, there was a thread about Wikidata , Wikimedia Foundation’s new knowledge base. This comment struck me especially: I was using Wikipedia the other day and it occurred to me how primitive it is to have all the inner lin....
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The web is built of links, of pages linking to other resources on the internet. But making those links manually is tedious. This is another area where modern inline editors could do better. Yesterday on Hacker News, there was a thread about Wikidata , Wikimedia Foundation’s new knowledge base. This comment struck me especially: I was using Wikipedia the other day and it occurred to me how primitive it is to have all the inner lin....
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When jQuery first came out it was a godsend. For most developers, it remains the same indispensable tool without which anything more than mundane cookie management, if even that, would prove an insurmountable obstacle. In the afore linked article along with his companion piece encourage developers to rely more heavily on Javascript’s native functions , Chris Love makes the compelling case against what has become the de-facto Javascript fra..
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CX – Conference Experience (Facilitating Communication)
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www.craigkerstiens.com
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13 years ago
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eng
Following up on my earlier post about CX or Conference Experience – I’m going to dig in a bit on how you get good conversation to happen. In the past two years I’ve been to nearly 20 conferences, I’ve been to conferences with great talks, with great parties, with great swag, and hands down my favorite conferences have always been a result of great conversation. With the number of talks that are recorded and immediately available online afte....
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Following up on my earlier post about CX or Conference Experience – I’m going to dig in a bit on getting the right people there. There’s a lot of different ways to approach this from having a good ratio of: Designers to Developers Females to Males Noobs to well known community members Overall lack of suits While this is by no means a how we can solve all of the above problems, theres some bas Talks Quality talks are obviously im....
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CX – Conference Experience (Facilitating Communication)
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www.craigkerstiens.com
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13 years ago
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eng
Following up on my earlier post about CX or Conference Experience – I’m going to dig in a bit on how you get good conversation to happen. In the past two years I’ve been to nearly 20 conferences, I’ve been to conferences with great talks, with great parties, with great swag, and hands down my favorite conferences have always been a result of great conversation. With the number of talks that are recorded and immediately available online afte....
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Following up on my earlier post about CX or Conference Experience – I’m going to dig in a bit on getting the right people there. There’s a lot of different ways to approach this from having a good ratio of: Designers to Developers Females to Males Noobs to well known community members Overall lack of suits While this is by no means a how we can solve all of the above problems, theres some bas Talks Quality talks are obviously im....
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Web frameworks are great, don't get me wrong here. They provide a structure and consistency across projects that will transcend developers over the life of a system while dramatically simplifying the code base amongst other wonderful side effects. But what's the downside?
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Web frameworks are great, don't get me wrong here. They provide a structure and consistency across projects that will transcend developers over the life of a system while dramatically simplifying the code base amongst other wonderful side effects. But what's the downside?
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As a comparatively new blogger I have done my fair share of self-promotion amongst the established writers I respect and strive to emulate, more than once recommending something I wrote by excusing my blatant plea for attention with the words, “I think you will like this” or some other permutation of the phrase. And each time I do I genuinely believe that John Siracusa might have found some interest in my argument for greater gesture suppor..
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Testing emails can sometimes be a bit challenging. smtp4dev is a small program that intercepts all received emails so you can quickly send…
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This piece from the New York Times touches on a subject that I’m passionate about - the challenges of hiring good people. Deep into it, it mentions that: “…the most proven method, Dr. Lewin said, is a referral from someone already working there. Current employees know the culture, he said, and have their reputations and their work environment on the line.” The big data thing is a cool, tech solution, but really it’s referrals that ..
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I'm going to try using MathJax for displaying LaTeX maths in my blog posts. It seems to work pretty well. The only significant problem is the flash of unrendered latex code for 200ms or so when viewing a post. $$x = {-b \pm \sqrt{b^2-4ac} \over 2a}$$
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