Wanted: Rails Developer for Activity Stream web app

Posted by Shane Becker on 2009-12-08 at 12:14am

<p>I'm designing a web based Activity Stream aggregator and I need a Rails developer or two that wants to build it with me. I'm looking for partners not employees.</p>

<p>The idea is simple: Keep up with my friends' activity on various sites from one web app.</p>

<p>Later I want to publish a unified activity feed for users of the site. On both ends I want to add a little bit of smarts that recognizes when a post is a duplicate (like, say when I post to Twitter and Facebook sucks it in) and show the post once.</p>

<p>I've built a static prototype currently at <a href="http://razzledazzleit.heroku.com">http://razzledazzleit.heroku.com</a>.</p>

<p>This will be a bleeding edge technology site only supporting the latest greatest browsers, assuming that our users are smart or willing to learn and implementing technologies that matter (even if they don't have the widest adoption yet). Things like: </p>

<ul>
  <li>Lots of keyboard shortcuts (j/k to page thru initially)</li>
  <li>activity streams</li>
  <li>atom</li>
  <li>gravatar</li>
  <li>hatom</li>
  <li>hcard</li>
  <li>oauth</li>
  <li>open id</li>
  <li>portable contacts</li>
  <li>xfn</li>
</ul>

<p>We're not going to store or ask for any passwords. Ever. If we include a site in our aggregation without asking a user for her password, we won't include that site. This is will be an app where things are done right. No compromise. No regret.</p>

<p>Out of the gates, I personally care most about:</p>

<ul>
  <li>twitter</li>
  <li>flickr</li>
  <li>facebook</li>
  <li>vimeo</li>
</ul>

<p>Next, I'd like to see</p>

<ul>
  <li>youtube</li>

  <li>fireeagle</li>
  <li>google latitude</li>
  <li>foursquare</li>

  <li>github</li>
  <li>last.fm</li>

  <li>delicious</li>
  <li>pinboard.in</li>

  <li>rss</li>
  <li>tumblr</li>
</ul>

<p>If you're really into consumption of third party web services, open data, portable identity, aggressively minimalistic code and design, and a web of data (or you want to be), let's talk. I need a partner or two.</p>

FOR SALE: Ricoh GR Digital Camera and Canon Vixia HF20 Video Camera

Posted by Shane Becker on 2009-12-07 at 7:24pm

<p><strong>Update:</strong> Sold.</p>

<p>I'm getting rid of both of my "prosumer" cameras: Ricoh GR Digital Camera and Canon Vixia HF20 Video Camera. Both are less than a year old and still under manufacturer warranty. Both are in excellent condition with no defects. Both work like new. I really love both of them, but I never use them any more. I find I only use my iPhone 3GS (I know, I know... but whatever).</p>

<p>I'm asking <strong>$700</strong> for the Canon Vixia HF20, wide angle lens, USB 2 cable, remote control and tripod. And <strong>$300</strong> for the Ricoh GR Digital and 4x 2GB SD memory cards. Both come with their original power cables / battery chargers and their instruction manuals.</p>

<p>Also, times are tough and some extra monies right now would really help.</p>

<p>
  If you're interested in either, get in touch with me. 
  <a href="mailto:veganstraightedge@gmail.com">veganstraightedge@gmail.com</a>
  or (801) 898-9481
</p>

<p><a href="http://www.flickr.com/photos/veganstraightedge/sets/72157622826190107/" title="I'm Getting Rid of My &quot;Prosumer&quot; Cameras - a set on Flickr">More picture of both cameras and the accessories are available on Flickr.</a></p>

<h4>GR Digital Camera</h4>
<p>
  <a href="http://www.flickr.com/photos/veganstraightedge/4165070878/" title="Ricoh GR Digital Camera by veganstraightedge, on Flickr"><img src="http://farm3.static.flickr.com/2621/4165070878_de10d699a4.jpg" alt="Ricoh GR Digital Camera"></a><br>
</p>

<h4>Canon Vixia HF20 Video Camera</h4>
<p>
  <a href="http://www.flickr.com/photos/veganstraightedge/4165114564/" title="Canon Vixia HF20 by veganstraightedge, on Flickr"><img src="http://farm3.static.flickr.com/2670/4165114564_65baf3e48a.jpg" alt="Canon Vixia HF20"></a><br>
</p>

<h4>55mm UV Filter &amp; Professional Digital High Definition 0.45X Wide Angle Lens</h4>
<p>
  <a href="http://www.flickr.com/photos/veganstraightedge/4165097216/" title="Wide Lens with UV Filter for Canon Vixia HF20 by veganstraightedge, on Flickr"><img src="http://farm3.static.flickr.com/2528/4165097216_a28448e6e8.jpg" alt="Wide Lens with UV Filter for Canon Vixia HF20"></a>
</p>

<p> <a href="http://www.flickr.com/photos/veganstraightedge/4165081444/" title="Canon Vixia HF20 Video Camera Power Cable by veganstraightedge, on Flickr"><img src="http://farm5.static.flickr.com/4004/4165081444_06efaa4ff2_m.jpg" alt="Canon Vixia HF20 Video Camera Power Cable"></a> <a href="http://www.flickr.com/photos/veganstraightedge/4165077306/" title="Tripod by veganstraightedge, on Flickr"><img src="http://farm3.static.flickr.com/2674/4165077306_339f278553_m.jpg" alt="Tripod"></a> <a href="http://www.flickr.com/photos/veganstraightedge/4164307867/" title="4x 2GB SD Memory Cards by veganstraightedge, on Flickr"><img src="http://farm3.static.flickr.com/2737/4164307867_58bf699e0d_m.jpg" alt="4x 2GB SD Memory Cards"></a> <a href="http://www.flickr.com/photos/veganstraightedge/4165063238/" title="Ricoh GR Digital Instruction Manual by veganstraightedge, on Flickr"><img src="http://farm5.static.flickr.com/4040/4165063238_5ed2fa4118_m.jpg" alt="Ricoh GR Digital Instruction Manual"></a> <a href="http://www.flickr.com/photos/veganstraightedge/4164304937/" title="Ricoh GR Digital Camera, Instruction Manual, 4x 2GB SD Memory Cards, Battery Charger and Power Cable by veganstraightedge, on Flickr"><img src="http://farm3.static.flickr.com/2720/4164304937_3255754df6_m.jpg" alt="Ricoh GR Digital Camera, Instruction Manual, 4x 2GB SD Memory Cards, Battery Charger and Power Cable"></a> <a href="http://www.flickr.com/photos/veganstraightedge/4165067082/" title="Ricoh GR Digital Camera Battery, Charger and Power Cable by veganstraightedge, on Flickr"><img src="http://farm3.static.flickr.com/2759/4165067082_daff479aa1_m.jpg" alt="Ricoh GR Digital Camera Battery, Charger and Power Cable"></a> <a href="http://www.flickr.com/photos/veganstraightedge/4164311247/" title="Ricoh GR Digital Camera by veganstraightedge, on Flickr"><img src="http://farm3.static.flickr.com/2736/4164311247_155c0c3c88_m.jpg" alt="Ricoh GR Digital Camera"></a> <a href="http://www.flickr.com/photos/veganstraightedge/4165088600/" title="Canon Vixia HF20 Video Camera USB Cable by veganstraightedge, on Flickr"><img src="http://farm3.static.flickr.com/2729/4165088600_d58d71201e_m.jpg" alt="Canon Vixia HF20 Video Camera USB Cable"></a> <a href="http://www.flickr.com/photos/veganstraightedge/4165090816/" title="Canon Vixia HF20 Video Camera USB Cable Remote Control by veganstraightedge, on Flickr"><img src="http://farm3.static.flickr.com/2639/4165090816_f3dc820d05_m.jpg" alt="Canon Vixia HF20 Video Camera USB Cable Remote Control"></a> </p>

<h4><a href="http://www.ricoh.com/r_dc/gr/gr_digital/" title="Products &amp; Solutions / GR DIGITAL | Ricoh Global">GR DIGITAL Main Specifications</a></h4>

<table>
  <tr>
    <th>Item</th>
    <th>Description</th>
  </tr>
  <tr>
    <th>Imaging device</th>
    <td>1/1.8 primary color CCD with 8,130,000 effective pixels (total pixels: 8,300,000)</td>
  </tr>
  <tr>
    <th>Lens</th>
    <td>
      <dl>
        <dt>Focal distance</dt>
        <dd>f=5.9 mm (28 mm converted to 35mm format camera)</dd>

        <dt>Brightness (F)</dt>
        <dd>F 2.4 to F 11<sup>*1</sup>

</dd>

        <dt>Lens composition</dt>
        <dd>6 elements; 5 groups: 7 diaphragm blades</dd>
      </dl>
    </td>
  </tr>
  <tr>
    <th>Digital zoom</th>
    <td>4.0x</td>
  </tr>
  <tr>
    <th>Shooting range</th>
    <td>About 0.3 m to infinity from lens tip</td>
  </tr>
  <tr>
    <th>Macro shooting range</th>
    <td>About 0.015 m to infinity from lens tip</td>
  </tr>
  <tr>
    <th>Shutter</th>
    <td>
      <dl>
        <dt>Still</dt>
        <dd>180, 120, 60, 30, 15, 8, 4, 2, 1 - 1/2,000 second</dd>
        <dt>Video</dt>
        <dd>1/30 -1/2,000 second</dd>
      </dl>
    </td>
  </tr>
  <tr>
    <th>Pixels</th>
    <td>
      <dl>
        <dt>Still</dt>
        <dd>3,264 x 2,448; 3,264 x 2,176; 2,592 x 1,944; 2,048 x 1,536; 1,280 x 960; 640 x 480</dd>

        <dt>Text</dt>
        <dd>3,264 x 2,448; 2,048 x 1,536</dd>

        <dt>Video</dt>
        <dd>320 x 240; 160 x 120</dd>
      </dl>
    </td>
  </tr>
  <tr>
    <th>Picture-quality modes<sup>*2</sup>

</th> <td>F (Fine)/N (Normal)/RAW^*3 </td> </tr> <tr> <th>ISO sensitivity^*4 </th> <td>AUTO; 64; 100; 200; 400; 800; 1,600</td> </tr> <tr> <th>Flash</th> <td>Auto/ redeye suppression/ force flash/ slow synchro/ flash off Throw distance^*5 approx. 0.2 to 3 m</td> </tr> <tr> <th>Focus</th> <td>Autofocus/ manual focus/ snap/ infinity (AF supplemental light also available)</td> </tr> <tr> <th>Exposure adjustment</th> <td>TTL-CCD photometric system: multi (256 div.)/ center focus photometry/ spot photometry</td> </tr> <tr> <th>Exposure compensation</th> <td>Manual correction (+2.0 to -2.0 EV 1/3 EV steps); auto bracket feature (-0.5 EV; ±0; +0.5 EV)</td> </tr> <tr> <th>White balance</th> <td>Auto; fixed (Daylight/ Overcast/ Tungsten Light/ fluorescent light/ manual/ advanced); white balance bracket feature</td> </tr> <tr> <th>Recording media</th> <td>SD memory card (3.3V 32/ 64/ 128/ 256/ 512MB/ 1GB); multimedia card; built-in memory (26 MB)</td> </tr> <tr> <th>Storage capacity^*6 (built-in 26 MB storage)</th> <td> <dl> <dt>Still</dt> <dd>3,264 x 2,448: RAW: 1/F: 8/ N: 14; 3,264 x 2,176: RAW: 1/F: 9; 2,592 x 1,944: N: 22; 2,048 x 1,536: N: 36; 1,280 x 960: N: 63; 640 x 480: N: 277</dd> </dl> </td> </tr> <tr> <th>Storage time (built-in 26 MB storage)</th> <td> <dl> <dt>Video</dt> <dd>320 x 240: 39 sec (30 frames/sec); 160 x 120: 2 min 26 sec (30 frames/sec)^*7 </dd>

        <dt>Audio</dt>
        <dd>56 min 45 sec<sup>*8</sup>

</dd> </dl> </td> </tr> <tr> <th>Storage data capacity</th> <td> <dl> <dt>Still</dt> <dd>3,264 x 2,448: RAW: about 11.52 MB/screen; F: about 2.83 MB/screen; N: 1.63 MB/screen 3,264 x 2,176: RAW: about 10.25 MB/screen; F: about 2.57 MB/screen; 2,592 x 1,944: N: about 1.03 MB/screen; 2,048 x 1,536: N: about 672 KB/screen;1,280 x 960; N: about 356 KB/screen; 640 x 480: N: about 83KB/screen</dd> </dl> </td> </tr> <tr> <th>Recording modes</th> <td>Photo (Still, Continuous, S-Continuous, M-Continuous), Program shift / Aperture-Priority / Manual exposure, Scene (Text, Sound), Motion</td> </tr> <tr> <th>Recording formats</th> <td> <dl> <dt>Still</dt> <dd>compression: JPEG^*9 (Exif ver. 2.21); RAW(DNG)^*10 </dd>

        <dt>Text</dt>
        <dd>TIFF (MMR format/ITU-T.6)</dd>

        <dt>Video</dt>
        <dd>AVI (Open DML Motion JPEG format compliant)</dd>

        <dt>Audio</dt>
        <dd>WAV (Exif ver. 2.21 μ law)</dd>
      </dl>
    </td>
  </tr>
  <tr>
    <th>LCD monitor</th>
    <td>2.5 inch low-noise polysilicon TFT LCD; about 210,000 pixels</td>
  </tr>
  <tr>
    <th>Self timer</th>
    <td>Operating time: about 10 sec/ 2 sec</td>
  </tr>
  <tr>
    <th>Interval timer</th>
    <td>Shooting interval: 5 sec. to 3 hours (units of 5 sec.)<sup>*11</sup>

</td> </tr> <tr> <th>PC interface</th> <td>USB 2.0; Ricoh original mass storage selectable^*12 </td> </tr> <tr> <th>AUDIO/ VIDEO interface</th> <td>Audio OUT/ Video OUT</td> </tr> <tr> <th>Video signal format</th> <td>Switch between NTSC & PAL</td> </tr> <tr> <th>Dimensions</th> <td>107.0 x 25.0 x 58.0 mm (WxDxH); does not include protruding parts</td> </tr> <tr> <th>Weight</th> <td>About 170 g (not including battery/ SD memory card/ strap); supplied parts: 30g (battery/ strap)</td> </tr> <tr> <th>Power</th> <td>1 Rechargeable battery (DB-60); AC adapter (AC-4c option); 2 AAA alkaline dry-cell batteries; 2 AAA Oxyride dry-cell batteries; 2 AAA nickel-hydrogen dry-cell batteries</td> </tr> <tr> <th>Shooting capacity ^*13 </th> <td> CIPA-standard compliant
DB-60 used: about 250; When AAA alkaline dry-cell battery used: about 30^*14 </td> </tr> <tr> <th>Temperature range for use</th> <td>0°C to 40°C</td> </tr> </table>

<ol>
  <li>* -	If mode dial is set to , ND filter is used in F7.1-F11 range.</li>
  <li>* -	Image-quality modes that can be set depend on the image size.</li>
  <li>* -	Simultaneous storage with Fine mode (JPEG).</li>
  <li>* -	ISO 1600 cannot be chosen when shooting in the RAW mode.</li>
  <li>* -	Throw distance when ISO AUTO set.</li>
  <li>* -	General estimate of number of still images stored.</li>
  <li>* -	A 1GB SD card can record for a maximum of 88 minutes 31 seconds.</li>
  <li>* -	A 1GB SD card can record for a maximum of 2,063 minutes 25 seconds.</li>
  <li>* -	DCF compliant; DPOF supported. DCF is an abbreviation for Design rule for Camera File system standardized by JEITA. (full compatibility between devices not guaranteed).</li>
  <li>* -	DNG is a particular RAW format advocated by Adobe systems incorporated.</li>
  <li>* -	With Flash off.</li>
  <li>* -	Mass storage supports Windows Me/2000/XP and Mac OS 9/X 10.2-10.4. Windows 98/98SE and Mac OS 8.6 not supported.</li>
  <li>* -	The numbers of photos that can be taken were measured using conditions compliant with the CIPA standard. They are only given as a rough guide.</li>
  <li>* -	The actual number of photos that can be taken will differ greatly depending on conditions of use and battery manufacturer.</li>
</ol>

<h4><a href="http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&amp;fcategoryid=177&amp;modelid=17995" title="Canon Consumer Products">Canon Vixia HF20 Video Camera Specifications</a></h4>

<table>
  <tr>
    <th>Standard Definition or High Definition</th>
    <td>High Definition</td>
  </tr>
  <tr>
    <th>Television System</th>
    <td>NTSC</td>
  </tr>
  <tr>
    <th>Video Recording system</th>
    <td>MPEG4-AVC / H.264</td>
  </tr>
  <tr>
    <th>Image Sensor</th>
    <td>1/4-inch CMOS, RGB Primary Color Filter</td>
  </tr>
  <tr>
    <th>Total Pixels</th>
    <td>Approx. 3.89 Megapixels</td>
  </tr>
  <tr>
    <th>Effective Pixels</th>
    <td>
      Video: Approx. 2.99 Megapixels<br>
      (2304 x 1296) / Still Image: 16:9: Approx. 2.99 Megapixels<br>
      (2304 x 1296), 4:3 Approx. 3.31 Megapixels (2100 x 1575)
    </td>
  </tr>
  <tr>
    <th>Maximum recording time</th>
    <td>
      32GB internal Flash drive<br>
      LP (5 Mbps) 12 hours 15 minutes<br>
      SP (7 Mbps) 9 hours 35 minutes<br>
      XP+ (12 Mbps) 5 hours 45 minutes<br>
      FXP (17 Mbps) 4 hours 10 minutes - Allows 1920 x 1080 Full HD Recording<br>
      MXP (24 Mbps) 2 hours 55 minutes - Allows 1920 x 1080 Full HD Recording
    </td>
  </tr>
  <tr>
    <th>Lens</th>
    <td>
      Zoom Ratio 15x Optical / 300x Digital<br>
      Focal Length f=4.1- 61.5mm (35mm equivalent: 39.5 - 592.5mm)<br>
      Zoom Speed Variable / 3 Fixed Zoom Speeds<br>
      Max. F/Stop f/1.8-3.2
    </td>
  </tr>
  <tr>
    <th>Focusing System</th>
    <td>Instant AF, Face Priority AF, TTL (through the lens)</td>
  </tr>
  <tr>
    <th>Manual Exposure</th>
    <td>Yes</td>
  </tr>
  <tr>
    <th>Programmed AE</th>
    <td>AUTO, P, Av, Tv, Portrait, Sports, Night, Snow, Beach, Sunset, Spotlight, Fireworks</td>
  </tr>
  <tr>
    <th>Max Shutter Speed</th>
    <td>Movie: 1/2000, Still image: 1/500</td>
  </tr>
  <tr>
    <th>Minimum Focusing Distance</th>
    <td>10mm (wide) / 1m (tele)</td>
  </tr>
  <tr>
    <th>White Balance</th>
    <td>Auto, Daylight, Shade, Cloudy, Tungsten, Fluorescent, Fluorescent H, Manual</td>
  </tr>
  <tr>
    <th>Frame Rate</th>
    <td>60i, 24p Progressive (records at 60i), 30p Progressive (records at 60i)</td>
  </tr>
  <tr>
    <th>Minimum Illumination</th>
    <td>0.4 lx (Night mode)</td>
  </tr>
  <tr>
    <th>Image Stabilization</th>
    <td>SuperRange Optical (lens shift)</td>
  </tr>
  <tr>
    <th>Filter Diameter</th>
    <td>37mm</td>
  </tr>
  <tr>
    <th>Viewfinder</th>
    <td>None</td>
  </tr>
  <tr>
    <th>LCD Screen</th>
    <td>2.7-inch Multi-Angle Vivid widescreen color LCD (Approx. 211,000 dots)</td>
  </tr>
  <tr>
    <th>Flash</th>
    <td>Built-in</td>
  </tr>
  <tr>
    <th>Recording Media</th>
    <td>Internal Flash drive (32GB) or SDHC Memory Card</td>
  </tr>
  <tr>
    <th>USB Terminal</th>
    <td>USB 2.0 Hi-Speed</td>
  </tr>
  <tr>
    <th>Video Terminal</th>
    <td>component (output), composite (output)</td>
  </tr>
  <tr>
    <th>Audio</th>
    <td>Dolby Digital 2 channels (AC-3 2 ch)</td>
  </tr>
  <tr>
    <th>Accessory Shoe</th>
    <td>Mini Advanced</td>
  </tr>
  <tr>
    <th>Supplied Video Editing Software</th>
    <td>Pixela ImageMixer 3SE</td>
  </tr>
  <tr>
    <th>HDMI Terminal</th>
    <td>HDMI Mini Connector (output), CEC and x.v. Color</td>
  </tr>
  <tr>
    <th>Microphone Terminal</th>
    <td>3.5 mm stereo mini-jack</td>
  </tr>
  <tr>
    <th>AV Mini Terminal/Headphone Terminal</th>
    <td>3.5 mm 4 pole mini-jack (video/audio output only)</td>
  </tr>
  <tr>
    <th>Dimensions</th>
    <td>(W X H X D) 2.8 x 2.4 x 4.9 in. (70 x 62 x 124mm)</td>
  </tr>
  <tr>
    <th>Weight (not including lens and battery pack)</th>
    <td>12.0 oz. (340g)</td>
  </tr>
  <tr>
    <th>Weight (fully loaded)</th>
    <td>14.1 oz. (400g)</td>
  </tr>
</table>

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FOR SALE: Ricoh GR Digital Camera and Canon Vixia HF20 Video Camera

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