SSH keys are useful to login over ssh (secure shell) without typing a password. They are also used by Github and other version control systems for passwordless authentication. Here is some basic information from the software developer point of view how to use SSH keys for maximum comfort and security. These…
Today marks the start of a new era for IPv6. Building on the great success of last year’s World IPv6 Day, this year’s “World IPv6 Launch” will bring together major Internet service providers (ISPs), home networking equipment manufacturers, and web companies around the world to permanently enable IPv6 for their…
Josiah Carlson talks about Redis, Python, and other technology topics.
I love when people call what we do at 37signals a “lifestyle business” — but probably not for the reasons they think. When the lifestyle card is pulled from its tired deck, it’s usually meant as a pat on top of the head. An “oh, that’s such a pretty drawing, dea…
Perhaps you too remember that crayon-factory segment from Sesame Street. The one where they show dramatic shots of hot orange wax getting poured into vats and molds and eventually labeled and boxed up into neat packages of the rainbow, while Skrillex-junior music played in the background. This was my favorite segment…
Update: Date typo in post title fixed! I came across this on Google Books, going through some old issues of InfoWorld I’d read back in the day: Click = big For those who want text, see after …
Today Y Combinator announced they are adding two new partners, Garry Tan and Aaron Iba. This announcement is unique because it does not list their academic credentials, their previous investments, …
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Yesterday, we blacked out the default start page in Firefox and redirected visitors to the Mozilla sites to a special action page. We also sent direct mess
A hash table is data structure that is used to search for exact matches to a search key. For searching, they work like this: Take a search key (example: the word “cat”) Hash the search …
A Bloom filter is a data structure that may report it contains an item that it does not (a false positive), but is guaranteed to report correctly if it contains the item (“no false negatives”). The opposite of a Bloom filter is a data structure that may report a false negative, but can never report a false positive…
Suppose for a moment that you are running a web site that has a poorly implemented password database that stores password hashes using some...
Gittip is not just another web app or start-up, it’s a new kind of company. I’m calling it an “open company,” and here are its three defining principles:
After fielding over a dozen offers for Sortfolio, we finally came to an agreement this weekend with a couple of entrepreneurs who will be the new owners of Sortfolio. This is big news for our Sortfolio customers. Back in May we said we’d either be selling Sortfolio for $480,000 or retiring…
The other day a programmer-friend sent an e-mail to me and three other women. It read:
Designing around the messages, rather than the objects, brought my whole system into focus. If modules communicate by passing around self-contained textual data, or a simple structured format like JSON, they impose fewer assumptions on each other.
