How many specific references to the distant future were there?

How many jokes (or even references) were in the film that only a modern (post-Renaissance) audience would get?

One was about the now 20 years older Helen's face only being able to launch "maybe 500 ships." It was Christopher Marlowe (2,000 years later) who first wrote the phrase "...face that launched 1,000 ships."

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u/ChrisAlbertson — 8 hours ago

Hard, 100% reproducible crash when importing from camera.

I'm a new user. The very first thing I tried caused a crash. The database is empty.

DigiKam crashes with no error message, just a hard crash, when I try to import photos from Nikon Z30 using MTP/PTP. I can reproduce this 100% reliably with these steps:

  1. Import -> camera -> z30A
  2. black screen appears with zero thumbnails, and a red error box at the bottom says "failed to connect," with a "try again" button.
  3. Click "try again" button.
  4. Digikam window instantly disappears from the screen.

Digikam 9.1.0

macOS 26.5.2. Mac M2 Mini 16GB RAM

Yes, I know the workaround is a USB SD card reader. Back when I was doing software development for a living, I always liked bug reports for 100% reproducible crashes, as they were usually easy to fix. Usually it was my failure to check if a pointer was null before using it or something simple like that.

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u/ChrisAlbertson — 6 days ago

HVAC Zone algorithm?

I want to improve my heating system. I live in California, so we never deal with snow, and outdoor temps only get into the 40s (F) a few times a year. The house currently has a one-zone forced-air system in the attic, and the rooms heat very unevenly. Yes, I know the first step, "balancing," only partially fixes things. The heating is still unbalanced.

Mostly, the problem is that whoever installed this did whatever was easy. The upstairs bedrooms have ceiling vents fed by short runs of duct, and he had lots of space, so he used bigger ducts. But downstairs, ducts snake through the wall and are MUCH longer, and smaller ducts were used to fit the space.

The plan is to first install a pressure-activated bypass system. This does not seem hard to do. It would be a motorized damper with a pressure-activated switch. But I want to design the system so this pressure release is used mostly as a last resort. I view the bypass as a "safety device" that I don't want to use unless I'm forced to.

The problem is the bedrooms upstairs get too hot. I can put a damper on each bedroom and on one duct that goes downstairs. So most of the first floor can be left open.

My problem is the logic. To avoid using the bypass, I will likely need to open two zones (at least). I am sure that as the house cools, one zone will call for heat first. (It is very unlikely that two or three would call at the same split second.)

So when my controller (Home Assistant) gets a call for heat, it will have to choose one or more other zones to open, or use the bypass. I think I can figure out which zones are likely to call next and heat them early before they call, but this means that, on average, the house is hotter than my set point because I'm heating zones that have not yet called.

I could wait until enough zones are calling for heat, but that means people get cold waiting for the warmer zone to cool down.

OK, but we are using Home Assistant, and we have lots of sensors. I can look at room occupancy. There is nothing wrong with waiting to turn on the heat if the room is not occupied, and I can move the set point based on occupancy. I also have, or can have, sensors on the doors that connect the zones, so I can know if they are open.

Is there an optimal solution that does not involve writing a dozen ad hoc rules?

Most of the zone algorithms I read about that are used by professional-install systems are very simple because they all involve simple relays.

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u/ChrisAlbertson — 2 months ago
▲ 2 r/openwrt+1 crossposts

I just got a Cudy WR3000H. I flashed the OpenWrt suggested by the Wiki page.

https://openwrt.org/toh/cudy/wr3000h_1

It does seem to work with my newer WR3000H. For testing, the 2.5G WAN port is on my local Ethernet, and its LAN is on a new subnet. The WR3000N is in AP mode. I am testing with an Apple M2-based Mini. The Mini has built-in Wifi 6e. The router is about 5 feet from the Mac.

iperf3 gives a lower-than-expected result. (especially in the -R direction) Google gave some explanation for this and suggested I try irqbalance, software offloading, and running the latest firmware, and then said the open source OpenWRT is slower than factory firmware in many cases, but the WR3000H has some very common, well-supported chips inside.

For this test, I disabled ther 2.4Ghz rado so as to be 100% certain I was on 5 Ghz.

chris@Chris-Mac-mini ~ % iperf3 -c 192.168.1.1   

Connecting to host 192.168.1.1, port 5201

[  5] local 192.168.1.112 port 59631 connected to 192.168.1.1 port 5201

[ ID] Interval           Transfer     Bitrate         Retr  Cwnd

[  5]   0.00-1.01   sec  71.0 MBytes   593 Mbits/sec    0   2.00 MBytes       

[  5]   1.01-2.01   sec  72.8 MBytes   610 Mbits/sec    0   2.00 MBytes       

[  5]   2.01-3.01   sec  68.5 MBytes   575 Mbits/sec    0   2.00 MBytes       

[  5]   3.01-4.01   sec  70.1 MBytes   588 Mbits/sec    0   2.00 MBytes       

[  5]   4.01-5.01   sec  70.1 MBytes   588 Mbits/sec    0   2.00 MBytes       

[  5]   5.01-6.01   sec  71.4 MBytes   599 Mbits/sec    0   2.00 MBytes       

[  5]   6.01-7.01   sec  73.5 MBytes   617 Mbits/sec    0   2.00 MBytes       

[  5]   7.01-8.01   sec  74.6 MBytes   626 Mbits/sec    0   2.00 MBytes       

[  5]   8.01-9.01   sec  70.6 MBytes   592 Mbits/sec    0   2.00 MBytes       

[  5]   9.01-10.01  sec  68.2 MBytes   572 Mbits/sec    0   2.00 MBytes       

- - - - - - - - - - - - - - - - - - - - - - - - -

[ ID] Interval           Transfer     Bitrate         Retr

[  5]   0.00-10.01  sec   711 MBytes   596 Mbits/sec    0            sender

[  5]   0.00-10.01  sec   710 MBytes   595 Mbits/sec                  receiver

iperf Done.

chris@Chris-Mac-mini ~ % iperf3 -c 192.168.1.1 -R

Connecting to host 192.168.1.1, port 5201

Reverse mode, remote host 192.168.1.1 is sending

[  5] local 192.168.1.112 port 59651 connected to 192.168.1.1 port 5201

[ ID] Interval           Transfer     Bitrate

[  5]   0.00-1.01   sec  18.9 MBytes   158 Mbits/sec                  

[  5]   1.01-2.00   sec  22.5 MBytes   189 Mbits/sec                  

[  5]   2.00-3.01   sec  22.4 MBytes   187 Mbits/sec                  

[  5]   3.01-4.00   sec  21.5 MBytes   181 Mbits/sec                  

[  5]   4.00-5.00   sec  24.6 MBytes   207 Mbits/sec                  

[  5]   5.00-6.00   sec  24.5 MBytes   206 Mbits/sec                  

[  5]   6.00-7.01   sec  23.9 MBytes   200 Mbits/sec                  

[  5]   7.01-8.00   sec  23.9 MBytes   200 Mbits/sec                  

[  5]   8.00-9.01   sec  23.9 MBytes   200 Mbits/sec                  

[  5]   9.01-10.00  sec  14.0 MBytes   118 Mbits/sec                  

- - - - - - - - - - - - - - - - - - - - - - - - -

[ ID] Interval           Transfer     Bitrate         Retr

[  5]   0.00-10.01  sec   221 MBytes   185 Mbits/sec    0            sender

[  5]   0.00-10.00  sec   220 MBytes   185 Mbits/sec                  receiver

iperf Done.

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u/ChrisAlbertson — 3 months ago