https://danehrman.com/blog daily 0.75 2021-04-14 https://danehrman.com/blog/2018/8/19/fighting-adult-content-with-kafka-samza-and-google-safe-search monthly 0.5 2018-08-19 https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1534718281858-IEUNT2IJE86K3WN51A0N/homeowner-uploaded+photo.png Blog - Fighting Adult Content with Kafka, Samza, and Google Safe Search Kitchen photo uploaded by a Redfin homeowner https://danehrman.com/blog/2016/5/25/how-hibernates-lazy-loading-nearly-killed-our-email monthly 0.5 2018-08-19 https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1534718773790-AW2QTDAH5GEEC847XJYB/email+slowdown.png Blog - How Hibernate’s Lazy Loading Nearly Killed Our Email https://danehrman.com/blog/2014/9/9/how-to-give-your-mac-some-mid-80s-style monthly 0.5 2014-11-17 https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1410244868129-JFK8JBQVKOHLES6454O4/image-asset.png Blog - How To Give Your Mac Some Mid-80's Style Black and white icon pack + tweaked window stylings = 2.7GHz of 1980's awesomeness https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1410246306222-XZBE638KUA4TRMX8K8GE/Screen+Shot+2014-09-09+at+12.04.17+AM.png Blog - How To Give Your Mac Some Mid-80's Style https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1410246666724-XPYVVZHGIWXZWEFRKKS1/image-asset.png Blog - How To Give Your Mac Some Mid-80's Style https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1410247509906-YCS09DKQIUYZHIRSAGIO/image-asset.png Blog - How To Give Your Mac Some Mid-80's Style https://danehrman.com/blog/2014/5/25/11-must-haves-for-every-power-programmer monthly 0.5 2014-05-26 https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1401058218631-A103JG3EEJGP82B8EYS7/Intelligence+vs.+Time.gif Blog - 11 Must-Haves for Every Power Programmer Figure 1: Evidence of generational learning through .emacs configuration files. https://danehrman.com/blog/2014/4/24/the-pipelined-brain monthly 0.5 2014-04-27 https://danehrman.com/blog/2014/3/30/guitar-synthesizer monthly 0.5 2014-03-30 https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1396189730424-3V0NKE8Z9OO5U5PEMPT5/image-asset.png Blog - Guitar Synthesizer Plucking the open D string of a Fender Stratocaster https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1396189954854-W571G498K0XYA1ED3T1R/image-asset.png Blog - Guitar Synthesizer https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1396190714433-V4GBEZZA9R7QOCNGUMQ6/Filter+out+144+to+150.PNG Blog - Guitar Synthesizer Top: original complete guitar D note. Bottom: Extracted frequencies in the range of 144-150 Hz. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1396191728872-DVNPPRDOJHLZEYI74TRE/image-asset.png Blog - Guitar Synthesizer Artificial guitar D3 note: 10 simple sine waves and a single additive composite. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1396191845652-L58U82LATVLFTARXNCUU/image-asset.png Blog - Guitar Synthesizer Top: artificial guitar. Bottom: actual guitar https://danehrman.com/blog/2014/3/20/function-generator-music-in-5-minutes monthly 0.5 2014-03-21 https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1395369863892-IZ20D8GUMOFPY9F5H0F2/image-asset.png Blog - Function Generator Music in 5 Minutes Clockwise from top left: (1) GW GFG-8015G function generator, (2) Boss RC-2 Loop Station, (3) Fender Cyber Champ amp, (4) Presonus AudioBox USB interface, (5) headphones, (6) PC. https://danehrman.com/blog/2014/3/8/what-discrete-math-and-lisp-can-teach-us-about-good-coding-habits monthly 0.5 2014-04-05 https://danehrman.com/blog/2014/2/21/making-chords-with-the-pc-speaker monthly 0.5 2014-02-22 https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1393038393357-4J5RXYHOA3TW305OCTR5/1_chord_3_notes_mux_.02.PNG Blog - Making Chords with the PC Speaker https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1393038481194-6LFSHK2CRBF6444YPBHD/1_chord_1_note_mux_.02.PNG Blog - Making Chords with the PC Speaker https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1393044111502-OKVJQDBQSHVRI8FSLXSE/waveform_G_maj_.02.PNG Blog - Making Chords with the PC Speaker https://danehrman.com/blog/2014/2/7/a-more-efficient-model-for-problem-solving-across-hierarchies monthly 0.5 2014-02-28 https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1391828688010-J4NZY66A9BRLQ6TA37U4/Hierarchy.png Blog - A More Efficient Model For Problem-Solving Across Hierarchies https://danehrman.com/blog/2014/1/29/evaluating-multithreaded-performance monthly 0.5 2014-04-27 https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1391043177832-K18G5VX1PUFEKMLEIT21/Throughput+vs.+Number+of+Threads.png Blog - Exploring Multithreaded Performance https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1391052787736-E4FXIYVLDTSA0X6OT4YD/Throughput+vs.+Length+of+Job.png Blog - Exploring Multithreaded Performance https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1391054309226-D33XTS1BYJKJGGPG55SP/System+Time+vs.+Number+of+Threads.png Blog - Exploring Multithreaded Performance https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1391054952260-O5WK7156DCV6FTKFIGNH/Throughput+vs.+Length+of+Job+%28with+annotations%29.png Blog - Exploring Multithreaded Performance https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1391056706360-J37QTOA91WKR8HV5CD1V/User-to-System+Ratios.png Blog - Exploring Multithreaded Performance https://danehrman.com/blog/2014/1/21/object-oriented-threads monthly 0.5 2014-02-08 https://danehrman.com/blog/tag/Redfin monthly 0.5 https://danehrman.com/blog/tag/Google monthly 0.5 https://danehrman.com/blog/tag/Hibernate monthly 0.5 https://danehrman.com/blog/tag/streaming monthly 0.5 https://danehrman.com/blog/tag/Email monthly 0.5 https://danehrman.com/blog/tag/Kafka monthly 0.5 https://danehrman.com/blog/tag/Samza monthly 0.5 https://danehrman.com/blog/tag/machine+learning monthly 0.5 https://danehrman.com/work daily 1.0 2015-02-21 https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1396840721972-LS4HNUJ11OCX0NQ12VR4/K%27NEX+Computer+Front+Close-Up.jpg Projects - Front Panel Close-Up This is a close-up of part of the front panel of the K'NEX Computer. Here, two input switches are shown—the add/subtract input to the full adder (left) and the "bottom" of the two numbers of the calculation (right). At the bottom left, a "mechanical diode" can also be seen, a device used to separate the resistance of a subsection of the circuit from the rest of the circuit downstream. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1390349148549-430LK9LWJ35C0G4PO509/Navitas+at+Shell+Eco-Marathon+2013.JPG Projects - High-Tech Interface for a High-Tech Car In Spring 2012, my Senior Design team at Purdue designed and built a touchscreen driver display used in Purdue Solar Racing's "Navitas" solar car, shown here in the 2013 Shell Eco-marathon. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1424527349398-8QO3BMHW89H8VQS73HYJ/close_up_angled.jpg Projects - E-Paper Display https://danehrman.com/photography daily 0.75 2022-07-22 https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587421490883-LUKXW29FSIMHC7XNK3H9/Seattle+Sailboat.jpg Photography https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587404811240-SJWQJ1CKYW8X9KYGVET0/Seattle+city+skyline+%28reduced+size%29.jpg Photography https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1601091824776-63MOS6Y5KTHQU42HYE4V/Yellow-Aspen.jpg Photography https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1602005900349-TWLIYQVPNGU7NCAF0ZNI/Cinnamon+Pass+Peak.jpg Photography https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1601707229013-E70TQQMZCU8DOUIAWLX2/Cabin+in+the+Mountains+%28smaller%29.jpg Photography https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587418021659-7JCZHQO97R1ESWOGQ8R1/Colorado+Horses.jpg Photography https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587406305269-M4R1LVQ0UAI0IJIPOCUQ/Road+Leading+up+to+Windmills.jpg Photography https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587402864301-6PU2XMHJ4GI7TXAP41G4/Windmills+at+Whaligoe+Steps.jpg Photography https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587404811240-SJWQJ1CKYW8X9KYGVET0/Seattle+city+skyline+%28reduced+size%29.jpg Photography https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587406618540-BIVXOHMYU8AQTXDZDB3B/above+furniture+for+scale.png Photography Virtual placement above furniture for sense of scale. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587410332813-QENQHFHM46WZ9RJ3RFTA/Seattle+city+skyline+-+reduced+size%2C+compressed%2C+watermarked.jpg Photography The full-size image is 85” x 21” at 300dpi, or 25500 x 6300 pixels. The above image (click to expand) is compressed to 16MB to meet Squarespace’s size limits. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587407104769-M7IC4J7GP3DYYHAZ4JOY/Seattle+city+skyline+closeup+2.png Photography Cropped close-up of the south part of downtown—and Smith Tower to the right, once the tallest building west of the Mississippi. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587406788106-O17OG3QJD5ITEA72UQL3/Seattle+skyline+closeup+1.png Photography A cruise ship likely prepping for disembarkation to Alaska. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587409557827-6CDIS84KBSYIXNVURV8J/Seattle+city+skyline+close-up+3.png Photography Pike Place Market, from behind. You can just make out the famous sign, "Public Market Center," just to the right of the mural. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1586703534201-9MRRD12ZB59W0OBTCJW8/Dramatic+Rock+Formation+at+Whaligoe+Steps.jpg Photography Whaligoe Steps, Scotland, 2019. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/cd91f474-2039-412f-b3bd-e69e8ac085b3/Ladder+Creek+Falls%2C+Gorge+Dam%2C+Newhalem%2C+WA.jpg Photography - Make it stand out Ladder Creek Falls, Washington, 2022. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587418021659-7JCZHQO97R1ESWOGQ8R1/Colorado+Horses.jpg Photography Rocky Mountains, Colorado, 2019. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587414209037-KO8U9DYZMFFGZVJUZOJO/Flying+Geese.jpg Photography River Thames, England, 2019. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587421490883-LUKXW29FSIMHC7XNK3H9/Seattle+Sailboat.jpg Photography Lake Union, Seattle, 2019. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587421575772-19ZLQZ63U9FN7XUJZ5P2/Sleepless+in+Seattle.jpg Photography Lake Union, Seattle, 2020. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587414591616-K5PWORVEWZYLLMJZOFIB/Horse+by+the+Thames.jpg Photography River Thames, England, 2019. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587421637111-R6YILJQQLWJAO2C5LHV5/Hurricane+Ridge.jpg Photography Hurricane Ridge, Washington State, 2018. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587403022770-ZQE217PMVJ7UN4FNMU87/Sheep+Farm+and+Stream.jpg Photography Scotland, 2019. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587421086890-XMWLQU9YH60QEGWDQ2SV/bull+moose+and+family.jpg Photography Steptoe Butte, Washington State, 2019. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1601445110814-YMW961KLONY83MYDXJM2/Aspen-on-the-Water.jpg Photography Cushman Lake, Colorado, 2020. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587406305269-M4R1LVQ0UAI0IJIPOCUQ/Road+Leading+up+to+Windmills.jpg Photography NC500, Scotland, 2019. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1601091577130-LQWY9POSEMA0SIJW3A7I/Bonneville-Suburban.jpg Photography Bonneville Salt Flats, Utah, 2020. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1601707229013-E70TQQMZCU8DOUIAWLX2/Cabin+in+the+Mountains+%28smaller%29.jpg Photography San Juan Mountains, Colorado, 2020. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587412267652-ETDLDNHYTOVTVANZ7Z01/Old+House+on+a+Hill.jpg Photography Elphin, Scotland, 2019. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1586704649548-1DMA6YRWV3O4C6GIUVBC/House+at+the+Base+of+Two+Foggy+Hills.jpg Photography Glencoe, Scotland, 2019. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587421162016-G2MLH99R7NEFUUJBKWWF/Farmhouse+in+the+Clouds.jpg Photography Palouse, Washington State, 2019. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1586703814989-IV74Y143UL50JESIO6Z2/Boat+Near+Lake+Coruisk.jpg Photography Lake Coruisk, Scotland, 2019. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/4934827a-5324-4e47-8791-3c44191e32fc/Upper+Bagley+Lake%2C+Heather+Meadows%2C+Mount+Baker%2C+WA.jpg Photography - Make it stand out Upper Bagley Lake, Washinton, 2022. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1602002433901-OW0YLYKO474ZQRDPM8HX/Milky-Way-Lake-San-Cristobol.jpg Photography Lake San Cristobol, Colorado, 2020. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1601091813159-CGWMH7YCLWWBWX434SK9/IMG_2878-HDR-Pano.jpg Photography Grand Mesa, Colorado, 2020. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1601611879415-8NMBPNTB76LB2ZAGHK4I/Moonrise+Over+the+Cimarrons.jpg Photography Last Dollar Road, Colorado, 2020. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1601614025986-TYTT7PSDVEHZF5OKTCI1/Apsen-Peeking-in-the-Sunlight.jpg Photography Owl Pass, Colorado, 2020. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1627955728014-OC9YOYTJ7GUZR9AZXH2Y/IMG_5859.jpg Photography - Make it stand out Skagit County, Washington, 2021. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1599873393330-30TQJCCHJ4BX4BRXZ00I/Smoky+Seattle+Sunrise.jpg Photography Seattle, Washington, 2020. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587414535477-OSWQOKMGIIHY7BGQKBAR/Thames+Barrier+from+the+side.jpg Photography Thames Barrier, England, 2020. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587402864301-6PU2XMHJ4GI7TXAP41G4/Windmills+at+Whaligoe+Steps.jpg Photography East Coast, Scotland, 2019. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1601092931996-RKIVELIJP16290JGO1YU/Grand-Mesa-Sunset.jpg Photography Grand Mesa, Colorado, 2020. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587412486710-SHUHE9AZZKGV2VL988FY/Advreck+Castle.jpg Photography Lairg, Scotland, 2019. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1602005900349-TWLIYQVPNGU7NCAF0ZNI/Cinnamon+Pass+Peak.jpg Photography Peak at Cinnamon Pass, Colorado, 2020. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1586704066903-5IL0L3C29EL695GVNA3B/Sgu%CC%80rr+Alasdair+Near+Elgol.jpg Photography Elgol, Scotland, 2019. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1586703585591-14FWZ98G0ATBXEAV3DBZ/Stream+between+the+Mountains+at+Glencoe+%28brighter%29.jpg Photography Glencoe, Scotland, 2019. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1586703940507-EGV5AFN9OPUR6FA6779Z/Small+Loch+at+Sunset+%28with+Clarity%29.jpg Photography Borgie, Scotland, 2019. https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/1587412691247-GSMA48T4SR70EKUK6NC8/Hill+at+Old+Man+of+Storr.jpg Photography Old Man of Storr, Scotland, 2019. https://danehrman.com/about daily 0.75 2022-07-15 https://images.squarespace-cdn.com/content/v1/52dc33c9e4b04f03beae73e2/59b5f8df-31b7-434d-90f6-9d6aac796eea/dan-in-snow.jpg About Me