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Heroku is a largely agile company, we work in primarily small teams that talk via api and data contracts. Its also a company comprised primarily of engineers, even product managers often write code. Heroku as a platform drives many of the features not from top down, but from bottom up based on engineers desires or skunkworks projects. There’s many valuable insights into how Heroku runs efficiently for engineering. I’ll be diving into many....

Ai primi di ottobre TechCrunch riportava una notizia interessante: negli Stati Uniti ci sarebbe carenza di sviluppatori .NET. La piattaforma di recruitment Dice dichiara che le offerte di lavoro .NET aumentano del 25% ogni anno, e che la gran parte delle ricerche sui loro database riguarda skill .NET. Ai primi di ottobre 2011 sarebbero state oltre 10.000 le richieste inevase di figure professionali .NET. Notizie di questo tipo vanno prese..

A Blog!? - www.evantahler.com - 14 years ago - eng

A few months ago, Kate, Jenn, and I (all Modcloth co-workers) gave a talk at the world-famous pivotal labs about our unique "agile" way of…

Ten - johnj.com - 14 years ago - eng
T minus four days and I’m getting ready for yet another trip to the Pole — this one is number ten. I guess I’m not sure what I’m going to write about on this trip, yet, but I will be posting updates as time allows. Just spent a few hours getting the blog software up to speed (there are lots of improvements I want to make if I have time). It’s interesting coming back to a project after nearly a year and seeing what I’ve learned since then. ..

Ten - johnj.com - 14 years ago - eng
T minus four days and I’m getting ready for yet another trip to the Pole — this one is number ten. I guess I’m not sure what I’m going to write about on this trip, yet, but I will be posting updates as time allows. Just spent a few hours getting the blog software up to speed (there are lots of improvements I want to make if I have time). It’s interesting coming back to a project after nearly a year and seeing what I’ve learned since then. ..

Ten - johnj.com - 14 years ago - eng
T minus four days and I’m getting ready for yet another trip to the Pole — this one is number ten. I guess I’m not sure what I’m going to write about on this trip, yet, but I will be posting updates as time allows. Just spent a few hours getting the blog software up to speed (there are lots of improvements I want to make if I have time). It’s interesting coming back to a project after nearly a year and seeing what I’ve learned since then. ..

Now that you have you system and project environment all setup you probably want to start developing. But you likely don’t want to start writing an entire project fully from scratch, as you dive in you’ll quickly realize theres many tools helping you build projects and sites faster. For example making a request to a website there’s Requests , for handling processing images there’s Python Imaging Library , or for a full framework to help y....

Now that you have you system and project environment all setup you probably want to start developing. But you likely don’t want to start writing an entire project fully from scratch, as you dive in you’ll quickly realize theres many tools helping you build projects and sites faster. For example making a request to a website there’s Requests , for handling processing images there’s Python Imaging Library , or for a full framework to help y....

It seems Godaddy has finally plugged a hole in its whois privacy system which allowed users to see the domain owner's email address domain (ie ****@kevinohashi.com) if they tried to retrieve passwords. Now it requires the user the enter that email address instead of verifying that the asterisked email address is in fact the proper domain associated with the account. I highlighted the fix in the image below. Privacy at Godaddy just got a ..

Mozilla’s mission is to “build user sovereignty into the fabric of the Internet. —Mitchell Baker, in ExtremeTech article



Jubbin has been trying to find techno music that I would like. I’m picky - I don’t like female singers and I prefer kind of a specific sound. All of this Twitter YouTube linkage to music videos made me think - how do I discover new music that I like? Mostly nowadays it’s through hearing about a band through another band, or liking music in a movie and getting the score. Or, a lot of the time, clicking through related YouTube videos until I..


This is the first of a multipart series to getting started with Python. Throughout this guide we’ll walk you through a full setup. For starters if you’re a mac or linux user you already have Python on your system. You should be able to confirm you have python my opening up a terminal window and running: $ python --version Python 2.7.2 As long as you see a Python version 2.5.x-2.7.x you should be fine to continue. From here we’....

This is the first of a multipart series to getting started with Python. Throughout this guide we’ll walk you through a full setup. For starters if you’re a mac or linux user you already have Python on your system. You should be able to confirm you have python my opening up a terminal window and running: $ python --version Python 2.7.2 As long as you see a Python version 2.5.x-2.7.x you should be fine to continue. From here we’....

Learning Ruby - radek.io - 14 years ago - eng

I liked Real Steel overall as a feel-good movie, but was still left somewhat disappointed on my way home from the cinema. My problem, I realized, was expecting Real Steel to be a movie about robots. It is not. Real Steel is a people story centered around the relationship between a boy and his dad - the robots are really just a hazy backdrop.

With excitement building for the Velocity Conference in Berlin, we are happy to announce a pre-event meet up on Monday, November 7 at the…

With excitement building for the Velocity Conference in Berlin, we are happy to announce a pre-event meet up on Monday, November 7 at the…

Hi, This version is now live in the marketplace so should be making it’s way down to your phones soon. It fixes the stability and settings issues in version 2.6. Please let me know, comment or email, if you spot any issues or have any general feedback on the update.

Problem: Show 1 = 2 (with calculus) “Solution”: Consider the following: $ 1^2 = 1$ $ 2^2 = 2 + 2$ $ 3^2 = 3 + 3 + 3$ $ \vdots$ $ x^2 = x + x + \dots + x$ ($ x$ times) And since this is true for all values of $ x$, we may take the derivative of both sides, and the equality remains true. In other words:

Problem: Show 1 = 2 (with calculus) “Solution”: Consider the following: $ 1^2 = 1$ $ 2^2 = 2 + 2$ $ 3^2 = 3 + 3 + 3$ $ \vdots$ $ x^2 = x + x + \dots + x$ ($ x$ times) And since this is true for all values of $ x$, we may take the derivative of both sides, and the equality remains true. In other words:

Problem: Show 1 = 2 (with calculus) “Solution”: Consider the following: $ 1^2 = 1$ $ 2^2 = 2 + 2$ $ 3^2 = 3 + 3 + 3$ $ \vdots$ $ x^2 = x + x + \dots + x$ ($ x$ times) And since this is true for all values of $ x$, we may take the derivative of both sides, and the equality remains true. In other words:

Over the last few weeks, I have been trying to think of a way to design medium to large client-heavy web applications. There are many projects and ideas floating around that are meant to help you with this and I have had a look at quite a few of them. I don’t mean to say that I found the best one — just one that I like. I want to talk about data-driven applications. What I mean is that everything you do somehow manipulates or shows specif....

Over the last few weeks, I have been trying to think of a way to design medium to large client-heavy web applications. There are many projects and ideas floating around that are meant to help you with this and I have had a look at quite a few of them. I don’t mean to say that I found the best one — just one that I like. I want to talk about data-driven applications. What I mean is that everything you do somehow manipulates or shows specif....

When I was working at a small web development shop in Iceland, we developed a lot of applications. Some of those applications were used by what you would consider the "older generation" and/or "normal users". Working at a small company like that you need to wear many hats, so usually what would happen is that I would end up teaching the end users to use most of the applications I developed. I really hated it and I'm guessing most developers..

Da qualche giorno sono disponibili le slide e la registrazione video del mio intervento al KnowCamp 2011. La diretta è stata seguita da oltre 1200 spettatori mentre in sala erano presenti circa 150 persone: un bel successo.

Not long ago we released a sharing kit for Android. Today, we’re equally excited to announce a similar sharing kit for iOS. With the sharing kit, you can add SoundCloud sharing to your iPhone and iPad apps with only a few lines of code. We provide everything you need to let your users share their sounds to SoundCloud, including authentication, UI and connections to other social networks like Facebook and Twitter.

When I was working at a small web development shop in Iceland, we developed a lot of applications. Some of those applications were used by what you would consider the "older generation" and/or "normal users". Working at a small company like that you need to wear many hats, so usually what would happen is that I would end up teaching the end users to use most of the applications I developed. I really hated it and I'm guessing most developers..

Not long ago we released a sharing kit for Android. Today, we’re equally excited to announce a similar sharing kit for iOS. With the sharing kit, you can add SoundCloud sharing to your iPhone and iPad apps with only a few lines of code. We provide everything you need to let your users share their sounds to SoundCloud, including authentication, UI and connections to other social networks like Facebook and Twitter.


Ok, I think it’s time to write another blog entry. I’ve been traveling and dealing with jetlag from 10-hour time difference, then traveling some more, spoken at conferences, drank beer, had fun, then traveled some more, trained customers, hacked some Exadatas and now I’m back home. Anyway, do you know what is the SQL_EXEC_ID in V$SESSION and ASH views? Oh yeah, it’s the “SQL Execution ID” just like the documentation says … all clear. Um..

Ok, I think it’s time to write another blog entry. I’ve been traveling and dealing with jetlag from 10-hour time difference, then traveling some more, spoken at conferences, drank beer, had fun, then traveled some more, trained customers, hacked some Exadatas and now I’m back home. Anyway, do you know what is the SQL_EXEC_ID in V$SESSION and ASH views? Oh yeah, it’s the “SQL Execution ID” just like the documentation says … all clear. Um..




The leadership in the local church is often made up of very incompetent people. I don’t mean incompetent in the sense that they can’t lead. I mean in their knowledge and understanding of theology in general and of the gospel in particular. The Bible says that the leaders in the church should be first and foremost able to teach. If you can’t teach the Bible, perform mature exegesis on a text or even struggle to find a book in the Bible, you ....

The leadership in the local church is often made up of very incompetent people. I don’t mean incompetent in the sense that they can’t lead. I mean in their knowledge and understanding of theology in general and of the gospel in particular. The Bible says that the leaders in the church should be first and foremost able to teach. If you can’t teach the Bible, perform mature exegesis on a text or even struggle to find a book in the Bible, you ....

Non acquisterò la biografia ufficiale di Steve Jobs. Non mi interessa il suo privato e quel che ha (o non ha) fatto nel corso della sua carriera è di pubblico dominio. I contenuti del libro li troverò comunque citati, acclamati e commentati ad nauseam  sul web. Gratis. E poi, non fosse morto l’altro ieri, l’avrei comprata? Vedi sopra.


Hi, Got a lot of emails and I’ve been trying to reply to all of them but it’s not feasible with the current volumes. Just put this post together to let you know what I’m working on and to apologize for not getting back to you all individually. Those got in touch with me regarding the notifications settings not being stored properly, I’m really sorry about this. An update is on the way and should be with you, if all goes well, inside a w..

TechStars TV Episode 3 (around 15 minutes) What happened: SocratED renames to Veri and gets the domain Veri.com Transcript (might be a few mistakes, I went through 3-4 times to try and copy this word for word): David Tisch: Socratic + Education = crap name Founder: Seeing how no one was able to pronounced our old name, SocratEd, we thought it might be a good idea to move to a much shorter 4 letter domain that meant something, so w....

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