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| = More file descriptors for Transmission on Linux = Have you run out of file descriptors for Transmission? The torrent will be stopped (for no apparent reason), and when you examine it: $ transmission-remote -t 1 -i | grep -i descriptor It's unlikely you'll need to raise your system's global limit. But, if you need to, you can; to set it to a million: sudo sh -c "echo $(dc -e '2 20 ^ p') > /proc/sys/fs/file-max" = Why I use Firefox 4 Mobile, & Other Thoughts = {{{#!text_markdown Earlier this week, [Mozilla released Firefox 4 Mobile][ff4mobilerelease] (née Fennec) for both Android and Maemo. [ff4mobilerelease]: http://blog.mozilla.com/blog/2011/03/29/mozilla-launches-firefox-4-for-android-allowing-users-to-take-the-power-and-customization-of-firefox-everywhere-2/ I've had an Android phone since 2008 and honestly, I've never browsed the web on my phone as much as I have in the past few months when I started using Firefox 4 Mobile. It really is that much better! Here are my thoughts (focused on the Android version) on why. Mostly, it's a treatise on how much Google is dropping the ball on Android's built-in browser. ## Sync ## Firefox 4 Mobile's number 1 killer feature is [Sync][sync], which syncs tabs, logins, browser history, and bookmarks across multiple devices. The most useful of these are logins and browser history. [sync]: http://www.firefox.com/sync It's a *complete* pain to type user names and passwords on mobile keyboards, exacerbated personally since I practice good security and use a different password for each site on the web. Because Firefox Sync makes available on my phone all the passwords I've saved on my desktop, I never need fumble entering or remember anything anymore. I use the web quite a bit (who doesn't?), proof of which is my 15 MiB history file. Sync makes available that same browsing history, everywhere. Having your browser history available to do simple things like coloring visited links purple really makes a difference (e.g., think about looking through apartment listings on Craigslist). Having history available also powers Firefox 4 Mobile's Awesome Bar. I don't need to remember exact URLs anymore, or rely on a search engine—I can just start typing a keyword and Firefox's Awesome Bar automatically searches URLs and page titles of pages I've visited, just like it does on the desktop. As a freedom-loving, free and libre open source software advocate, another bit about Sync I love is that it is an [autonomous web service][autonomous]. That is, you can [download the server-side component of Sync][syncserver] and run it yourself, should you not trust Mozilla. [autonomous]: http://autonomo.us/2008/07/franklin-street-statement/ [syncserver]: http://hg.mozilla.org/services/minimal-server/ Google has a Sync-like feature in Android 3.0 for its built-in web browser and Chrome for your desktop, but so far nothing is available for anyone stuck on older versions of Android. It also isn't autonomous—you're locked into trusting Google. ## HTML5 ## Firefox 4 Mobile has much better HTML5 support, in the sense it supports more [New & Exciting Web Technologies][newt] (<abbr title="New & Exciting Web Technologies">NEWT</abbr>), such as CSS3, SVG, and new Javascript APIs. [newt]: http://www.brucelawson.co.uk/2010/meet-newt-new-exciting-web-technologies/ Firefox has dropped vendor-specific prefixes for many CSS3 properties, including box-shadow, text-shadow, etc. All in all, it makes your CSS that much more clean. There's support for SVG, only [recently supported in Android 3.0][androidsvg]. [androidsvg]: http://code.google.com/p/android/issues/detail?id=1376 There's support for [notifications][notifications] via a proprietary API. Recently landed in Chrome 10, it's still missing (AFAIK?) in Android 3.0, even with 3.0's rich notifications support. [notifications]: https://developer.mozilla.org/en/DOM/Displaying_notifications The iPhone has had multi-touch Javascript events (think pinch-to-zoom, essential for mapping widgets) since its debut, but such events are still [missing from Android][androidmt] while introduced much later. Firefox 4 Mobile has had [multi-touch support][ffmt] since last year, though, it's slightly different than the WebKit implementation and, IMHO, a bit more difficult to use without built-in gesture handling (i.e. no easy-to-use pinch Javascript event). [androidmt]: http://code.google.com/p/android/issues/detail?id=11909 [ffmt]: http://hacks.mozilla.org/2010/08/firefox4-beta3/ ## Other stuff Firefox 4 Mobile also supports add-ons. While I haven't found the need for any, there are some neat ports, like [Adblock Plus Mobile][adpmobile]. Expect the list of add-ons to grow quickly. [adpmobile]: https://addons.mozilla.org/en-US/mobile/addon/adblock-plus/ When Firefox 4 Mobile was in beta, Mozilla didn't do a very good job alerting people to its high system requirements. However, on release, a [supported platforms and systems requirements page][sysreq] is first and foremost. A summary: you need a phone with at least 512 MiB RAM. The official builds require an ARMv7-generation processor (or more specifically, one that supports [ARM's Thumb instruction set][thumb]), but there are [unsupported builds for older ARMv6 devices][armv6builds] that have enough RAM (e.g. T-Mobile's MyTouch Slide, aka the HTC Espresso). Not to gloat, but Firefox 4 Mobile for Android works great on my T-Mobile G2. [sysreq]: http://www.mozilla.com/en-US/mobile/platforms/ [thumb]: http://en.wikipedia.org/wiki/ARM_architecture#Thumb [armv6builds]: https://wiki.mozilla.org/Mobile/Platforms/Android#ARMv6_.28experimental.29 [Go download Firefox 4 Mobile now][download] from Mozilla's landing page if you've not done so already. You can also get it from the [Android Market][market], or, if you don't or can't use the Android Market, get the [latest Firefox 4 Mobile release from Mozilla's FTP site][ftp] instead. Also, if you're playing [Mozilla's Spark][spark], please [tag me][sparktag]! [download]: http://firefox.com/m/ [market]: https://market.android.com/details?id=org.mozilla.firefox [ftp]: http://releases.mozilla.org/pub/mozilla.org/mobile/releases/latest/ [spark]: https://spark.mozilla.org/ [sparktag]: https://spark.mozilla.org/en-US/user/tamasrepus?f=t On to other thoughts… Firefox 4 Mobile's previous name was Fennec 2.0, a name I much prefer. But somewhere along the way, Mozilla decided to take a page from Microsoft's marketing playbook—home of atrocities like Microsoft Windows Live Mesh and [Microsoft Windows Server Base Operating Systems Management Pack for Microsoft Operations Manager 2005][longestmsname]. What makes it worse is disambiguating Firefox 4 Mobile for Android and Firefox 4 Mobile for Maemo means you're using 5 words for a product title. [longestmsname]: http://blogs.msdn.com/b/jonathanh/archive/2005/08/05/what-s-the-longest-microsoft-product-name.aspx |
= Clarifying the no-show policy = Clarifying the No Show policy Hi everyone, After a few incidents in the past few weeks, I wanted to clarify our group’s (The Jornada Hiking & Outdoor Club) “no show” policy. What’s a “no show”? You’re a “no show” if you RSVP as “Yes” for an event, indicating you plan on coming, but don’t show up. This can waste a lot of time, for both the event host and those attending, and sometimes completely ruin an event. I’ll be frank: for most hikes, I and many organizers don’t care if people don’t show up. The majority of our events are planned such that we don’t need a critical mass of people. A long time ago I learned it’s not worth letting other people ruin everyone else’s good time. However, there have been some events, like the horseback rides, where the event hosts have put in quite a bit of extra effort in. People not showing up wastes not just the hosts time, but the business we’re working with as well. We’ve had a semi-official 3 no-shows policy, but I haven’t been enforcing it. I’d like to modify it a bit, and let everyone know I am going to start enforcing it on future events. After 3 no-shows, you’ll get a warning. The 4th no-show after that, you’ll be dropped from the group. = IPv6 for your home network = In /etc/nsswitch.conf: Replace mdns4_minimal with mdns_minimal Add mdns to the end of that line = Downtown Desert Yoga review = My first experience w/ Bikram yoga (AKA hot yoga) was at DDY. I had taken a few non-heated classes before, I’ve been at both the old studio on Main Street and the new one on Alameda, and while I liked the old place better the new one has grown on me. The heating/cooling system is significantly better—it gets hotter for the hot yoga classes and cooler for non-heated classes. There are hardwood floors throughout, and you don’t feel gross walking barefoot throughout the studio. = Virtualenv with Python 3.3's venv = {{{#!text_markdown However, Python 3.3's venv module is easily used to create custom venv setup scripts. Vinay Sajip has done just that with [pyvenvex.py](https://gist.github.com/vsajip/4673395). Use the script as you would }}} = ThinkPad T530 first thoughts = {{{#!text_markdown No indicator lights for AC power, battery status, or charging status on front. No caps lock indicator (only noticed while in Windows). Large, bulky. But surprisingly lightweight, compared to tablets like iPad or Nook Color. Hate the lack of grouping on function keys, no color on Enter, Function keys, or escape. Cannot feel bumps on F and J keys. Really fast wake from suspend. Took Linux disk from X61 tablet, installed into T530 w/out problems! Turned off UEFI and enabled legacy boot. Did not need to reconfigure trackpad, screen, etc. tp-smapi-dkms does not work. Missing being able to set battery charging thresholds, etc. }}} = An Albuquerque Code 66 2012 debrief = {{{#!text_markdown A couple months ago, I participated in Albuquerque's Code 66 Hackathon. [What's a hackathon?][hackathon] My one sentence definition: a weekend where the goal is to go from idea to demoable product (usually a <abbr title="Minimum Viable Product">MVP</abbr>, but not exactly) as quickly as possible. One of the progressive civic movements in the past decade is that of civic open data. That is, data about your city & government should be freely accessible for use by citizens, who are free to do. After all, it is citizen tax dollars that pay for it! This June, the city of Albuquerque was one the latest cities in the country to start its open data initiative (Dear Las Cruces, Ruidoso, Roswell, El Paso, et al—what exactly are all of you doing?), and they've [published several open data sets][abqdata]. Oh, and if you figure out a creative way to use this data, Albuquerque has a [$30,000 apps challenge][abq-apps] with, as you might have guessed, a $30,000 grand prize! At the hackathon this past summer, [Zerek Welz](http://zerekwelz.com/), [Chris Huges](http://www.linkedin.com/in/cfhughes/), and myself met at the event and eventually came up with [Where's the bus!? Albuquerque](http://abqwtb.com/). [hackathon]: https://en.wikipedia.org/wiki/Hackathon [abqdata]: http://cabq.gov/abq-data [abq-apps]: http://cabq.gov/abq-data/apps-competition }}} = A week with Verizon's HomeFusion = {{{#!text_markdown Living in the tree-less high desert, I have [line of sight][los] to two different cellular towers, one to the direct north and one to the south–southeast. [los]: http://en.wikipedia.org/wiki/Line-of-sight_propagation }}} = Generate entropy for your server = Discuss ekeyd, haveged, etc = How many times a week do I use such and search search engine? = Write post here. = Backing up your Identi.ca account = {{{#!text_markdown To backup [my Twitter account][twitter], I use [ThinkUp][thinkup], which also happens to backup my now-dormant Facebook account. Take that, corporate data silos! [twitter]: https://www.twitter.com/SamatJain [thinkup]: http://thinkupapp.com/ Because of the recent (late-2011) downtime on Identi.ca, and with the release of StatusNet 1.0, I figured now was as good a time as any to seriously setting up my own federated µ-blogging instance. With the heavy focus on federation and [autononous Web principles][franklin-street-statement], I always assumed that it'd be both easy & obvious to get data back out of Identi.ca. [franklin-street-statement]: http://autonomo.us/2008/07/franklin-street-statement/ One word: meh. Identi.ca has a [backup feature][identica-backup], but it [doesn't work quite right][identica-backup-bug]. For example, I could only fetch dents going back 4 months. [Preview of changes to Identi.ca | StatusNet](http://status.net/2013/01/09/preview-of-changes-to-identi-ca) [identica-backup]: http://identi.ca/main/backupaccount [identica-backup-bug]: http://status.net/open-source/issues/3296 }}} = Handling times on the Web in Python w/out headaches = Describe using dateutil, W3C CDTF, etc {{{#!text_markdown <abbr title="Comon Date-Time Format">CDTF</abbr> from the <abbr title="World Wide Web Consortium">W3C</abbr> }}} RFC 3339 = Camera at a mountain Webcam on the Web = = Theming Apache's mod_autoindex = = Doing WHATEVER URLs the right way w/ jQuery Mobile = = A JSON proxy for the OpenStreetMap API = [[http://gis.638310.n2.nabble.com/JSON-output-for-xapi-td6483673.html|Developer Discussion - JSON-output for xapi]] = Multiprocess in modern browsers = == Internet Explorer == First multi-process browser? MSIE4? == WebKit == * http://trac.webkit.org/wiki/WebKit2 * WebKit and WebKit2 from a Qt perspective: http://blog.forwardbias.in/2011/08/on-webkit-and-webkit2.html == Firefox == * http://timtaubert.de/2011/08/firefox-electrolysis-101-part-1/ = Getting through Python 2's Unicode problems = * [[http://farmdev.com/talks/unicode/|Unicode In Python, Completely Demystified]] * Force Unicode for all strings w/ Python 2.6+: [[http://docs.python.org/py3k/howto/pyporting.html#from-future-import-unicode-literals]] * Instead of built-in open, use codecs.open = Color on the Console = dstat grep htop pydf == less == * [[http://www.reddit.com/r/linux/comments/knxz9/syntax_highlighting_in_less_ive_been_using_less_a/|Syntax highlighting in less - I've been using less a long time... why this has never occurred to me before today? : linux]] [[http://superuser.com/questions/385768/less-emulate-a-tty-to-preserve-piped-color-output|bash - less emulate a TTY to preserve piped color output - Super User]] = Movie Review: Michael Madsen's Into Eternity = {{{#!text_markdown With Chernobyl's 25th anniversary a few weeks past (ignored, for the most part, by Western media), and the Fukushima nuclear disaster fresh in everyone's minds, now is as good a time as any think about nuclear energy's role in our civilization. [Into Eternity][ie], a Finnish documentary released in 2010, takes a very unique look at the nuclear power industry, one not typically thought about. Rather than nuclear proliferation or the plants themselves, it focuses on the geologic storage of [spent nuclear fuel][snf] (aka <abbr title="Spent Nuclear Fuel">SNF</abbr>), in particular, [Finland's Onkalo repository][onkalo]. [ie]: http://www.intoeternitythemovie.com/ [snf]: http://en.wikipedia.org/wiki/Spent_nuclear_fuel [onkalo]: http://en.wikipedia.org/wiki/Onkalo The movie skimps on technical details, some of which I will talk about here. Nuclear waste can be divided into two levels: high-level and low-level. Low-level nuclear wastes include things such as clothing, plant construction materials (e.g. concrete) and machinery that have come in contact with anything nuclear. High-level nuclear wastes include spent nuclear fuel and chemicals used to process and create nuclear fuel. The movie focuses on spent nuclear fuel, which in most nuclear power plants are things called fuel rods. Fuel rods At the moment, the US does not have a storage plan for spent nuclear fuel. There is one geologic storage site, the [Waste Isolation Pilot Plant][wipp] in southeastern New Mexico, but the site is relatively small and destined for storing the generation I nuclear wastes of America's nuclear weapons programs, not that of commercial reactors. A larger site, [Yucca Mountain][ym], well isolated in the [Nevada Test Range][nts] (where nuclear weapons were tested for decades, and much contamination remains), was shelved in 2010 by the Obama administration, leaving America's nuclear energy industry without secure storage for its spent nuclear fuel. [wipp]: http://en.wikipedia.org/wiki/WIPP [ym]: http://en.wikipedia.org/wiki/Yucca_Mountain_nuclear_waste_repository [nts]: http://en.wikipedia.org/wiki/Nevada_Test_Site Much of the topics <i>Into Eternity</i> touches, such as communicating the dangers of nuclear wastes stored at sites via markers and monuments, has similarly been discussed for the US' Waste Isolation Pilot Plant. }}} = Drupal 7 upgrade post-mortem = {{{#!text_markdown This weekend, I upgraded [Samat Says][samatsays] (this blog, in case you missed the memo) to [Drupal 7][d7]. [samatsays]: http://blog.samat.org/ [d7]: http://drupal.org/drupal-7.0 For my Drupal 4.6/4.7-based site, I had created my own theme, [Sands][sands]. Lack of time prevented me from porting Sands to Drupal 5 or 6, and it's unlikely it will be ported forward. I'm probably going to recreate it with one Drupal 7's many starter themes, however. [sands]: http://wiki.samat.org/Sands |
Clarifying the no-show policy
Clarifying the No Show policy
Hi everyone,
After a few incidents in the past few weeks, I wanted to clarify our group’s (The Jornada Hiking & Outdoor Club) “no show” policy.
What’s a “no show”? You’re a “no show” if you RSVP as “Yes” for an event, indicating you plan on coming, but don’t show up. This can waste a lot of time, for both the event host and those attending, and sometimes completely ruin an event.
I’ll be frank: for most hikes, I and many organizers don’t care if people don’t show up. The majority of our events are planned such that we don’t need a critical mass of people. A long time ago I learned it’s not worth letting other people ruin everyone else’s good time.
However, there have been some events, like the horseback rides, where the event hosts have put in quite a bit of extra effort in. People not showing up wastes not just the hosts time, but the business we’re working with as well.
We’ve had a semi-official 3 no-shows policy, but I haven’t been enforcing it. I’d like to modify it a bit, and let everyone know I am going to start enforcing it on future events.
After 3 no-shows, you’ll get a warning. The 4th no-show after that, you’ll be dropped from the group.
IPv6 for your home network
In /etc/nsswitch.conf: Replace mdns4_minimal with mdns_minimal Add mdns to the end of that line
Downtown Desert Yoga review
My first experience w/ Bikram yoga (AKA hot yoga) was at DDY. I had taken a few non-heated classes before,
I’ve been at both the old studio on Main Street and the new one on Alameda, and while I liked the old place better the new one has grown on me. The heating/cooling system is significantly better—it gets hotter for the hot yoga classes and cooler for non-heated classes. There are hardwood floors throughout, and you don’t feel gross walking barefoot throughout the studio.
Virtualenv with Python 3.3's venv
However, Python 3.3's venv module is easily used to create custom venv setup scripts. Vinay Sajip has done just that with pyvenvex.py. Use the script as you would
ThinkPad T530 first thoughts
No indicator lights for AC power, battery status, or charging status on front.
No caps lock indicator (only noticed while in Windows).
Large, bulky. But surprisingly lightweight, compared to tablets like iPad or Nook Color.
Hate the lack of grouping on function keys, no color on Enter, Function keys, or escape. Cannot feel bumps on F and J keys.
Really fast wake from suspend.
Took Linux disk from X61 tablet, installed into T530 w/out problems! Turned off UEFI and enabled legacy boot. Did not need to reconfigure trackpad, screen, etc.
tp-smapi-dkms does not work. Missing being able to set battery charging thresholds, etc.
An Albuquerque Code 66 2012 debrief
A couple months ago, I participated in Albuquerque's Code 66 Hackathon.
What's a hackathon? My one sentence definition: a weekend where the goal is to go from idea to demoable product (usually a MVP, but not exactly) as quickly as possible.
One of the progressive civic movements in the past decade is that of civic open data. That is, data about your city & government should be freely accessible for use by citizens, who are free to do. After all, it is citizen tax dollars that pay for it!
This June, the city of Albuquerque was one the latest cities in the country to start its open data initiative (Dear Las Cruces, Ruidoso, Roswell, El Paso, et al—what exactly are all of you doing?), and they've published several open data sets.
Oh, and if you figure out a creative way to use this data, Albuquerque has a $30,000 apps challenge with, as you might have guessed, a $30,000 grand prize!
At the hackathon this past summer, Zerek Welz, Chris Huges, and myself met at the event and eventually came up with Where's the bus!? Albuquerque.
A week with Verizon's HomeFusion
Living in the tree-less high desert, I have line of sight to two different cellular towers, one to the direct north and one to the south–southeast.
Generate entropy for your server
Discuss ekeyd, haveged, etc
How many times a week do I use such and search search engine?
Write post here.
Backing up your Identi.ca account
To backup my Twitter account, I use ThinkUp, which also happens to backup my now-dormant Facebook account. Take that, corporate data silos!
Because of the recent (late-2011) downtime on Identi.ca, and with the release of StatusNet 1.0, I figured now was as good a time as any to seriously setting up my own federated µ-blogging instance. With the heavy focus on federation and autononous Web principles, I always assumed that it'd be both easy & obvious to get data back out of Identi.ca.
One word: meh.
Identi.ca has a backup feature, but it doesn't work quite right. For example, I could only fetch dents going back 4 months.
Preview of changes to Identi.ca | StatusNet
Handling times on the Web in Python w/out headaches
Describe using dateutil, W3C CDTF, etc
CDTF from the W3C
RFC 3339
Camera at a mountain Webcam on the Web
Theming Apache's mod_autoindex
Doing WHATEVER URLs the right way w/ jQuery Mobile
A JSON proxy for the OpenStreetMap API
Developer Discussion - JSON-output for xapi
Multiprocess in modern browsers
Internet Explorer
First multi-process browser? MSIE4?
WebKit
WebKit and WebKit2 from a Qt perspective: http://blog.forwardbias.in/2011/08/on-webkit-and-webkit2.html
Firefox
Getting through Python 2's Unicode problems
Force Unicode for all strings w/ Python 2.6+: http://docs.python.org/py3k/howto/pyporting.html#from-future-import-unicode-literals
- Instead of built-in open, use codecs.open
Color on the Console
dstat grep htop pydf
less
bash - less emulate a TTY to preserve piped color output - Super User
Movie Review: Michael Madsen's Into Eternity
With Chernobyl's 25th anniversary a few weeks past (ignored, for the most part, by Western media), and the Fukushima nuclear disaster fresh in everyone's minds, now is as good a time as any think about nuclear energy's role in our civilization. Into Eternity, a Finnish documentary released in 2010, takes a very unique look at the nuclear power industry, one not typically thought about. Rather than nuclear proliferation or the plants themselves, it focuses on the geologic storage of spent nuclear fuel (aka SNF), in particular, Finland's Onkalo repository.
The movie skimps on technical details, some of which I will talk about here.
Nuclear waste can be divided into two levels: high-level and low-level. Low-level nuclear wastes include things such as clothing, plant construction materials (e.g. concrete) and machinery that have come in contact with anything nuclear.
High-level nuclear wastes include spent nuclear fuel and chemicals used to process and create nuclear fuel. The movie focuses on spent nuclear fuel, which in most nuclear power plants are things called fuel rods. Fuel rods
At the moment, the US does not have a storage plan for spent nuclear fuel. There is one geologic storage site, the Waste Isolation Pilot Plant in southeastern New Mexico, but the site is relatively small and destined for storing the generation I nuclear wastes of America's nuclear weapons programs, not that of commercial reactors. A larger site, Yucca Mountain, well isolated in the Nevada Test Range (where nuclear weapons were tested for decades, and much contamination remains), was shelved in 2010 by the Obama administration, leaving America's nuclear energy industry without secure storage for its spent nuclear fuel.
Much of the topics Into Eternity touches, such as communicating the dangers of nuclear wastes stored at sites via markers and monuments, has similarly been discussed for the US' Waste Isolation Pilot Plant.
Drupal 7 upgrade post-mortem
This weekend, I upgraded Samat Says (this blog, in case you missed the memo) to Drupal 7.
For my Drupal 4.6/4.7-based site, I had created my own theme, Sands. Lack of time prevented me from porting Sands to Drupal 5 or 6, and it's unlikely it will be ported forward. I'm probably going to recreate it with one Drupal 7's many starter themes, however.
Patient care in the ICU in terms of vectors and topological spaces
Biomedical Informatics, Medicine
A few weeks ago, Timothy G. Buchman gave a talk at the Columbia DBMI weekly research seminar. During the QA session, someone asked why patients in intensive care units (ICUs) were given such “extreme” treatments, often causing them to develop new health problems and complications, keeping them in the hospital. He replied with this wonderful mathematical metaphor about patient care.
You are a point in an n-dimensional space. Each dimension is some vital sign or homeostatic attribute, e.g. blood pressure, blood glucose, temperature, etc. Homeostasis is defined a polytope in that space. As you do the various things of life, your point moves within the space defined by that polytope. For example, when you eat, your blood sugar goes up, and the point moves along in the blood sugar dimension; when you take a cold shower, your body temperature is reduced, and you move along in that dimension. Young people have a large space inside their homeostatic polytope
When you leave this homeostatic polytope, you're considered “sick.” If you travel to far from it, you die.
People who enter the ICU have points that are moving away from their homeostatic polytope. Their movement away can be represented as a vector, representing how quickly their condition is deteriorating.
Treatments in the ICU represent vectors that try to point you back towards your homeostatic polytope.
