Bounding box Updated 2025-07-16
Bo Ya Updated 2025-07-16
en.wikipedia.org/w/index.php?title=Bo_Ya&oldid=1150295883#The_story_about_Zhiyin:
Bo Ya was good at playing the qin. Zhong Ziqi was good at listening to the qin. When Bo Ya's will was towards high mountains in his playing, Zhong Ziqi would say, "How towering like Mount Tai!" When Bo Ya's will was towards flowing water in his playing, Zhong Ziqi would say, "How vast are the rivers and oceans!" Whatever Bo Ya thought of Ziqi would never fail to understand. Bo Ya said, "Amazing! Your heart and mine are the same!" After Zhong Ziqi died, Bo Ya broke his Guqin because he thought that no one else can understand his music.
Brazil Updated 2025-07-16
An awesome country, with amazing people and natural resources, and without an evil government like China.
When visiting Brazilian cities coming from Europe, one of the things that shocks the most is the amount of motorcycles. It seems that the poorer the country, the less people's lives are worth, and the more motorcycles there are.
Another thing that was shocking is the amount of phone spam when you get a new SIM card, some legal and some likely illegal. Everyone is desperate for cash it seems on a poor country, and everyone fights hard for it.
Breadboard Updated 2025-07-16
This is how electronic circuits are normally prototyped!
Once you validate them like this, the next step is usually to move on to printed circuit boards for more reliable production setups.
Breadboards are a thing of beauty and wonder.
Figure 1.
Point-to-point constructions on woden boards
. Source. Predecessors to breadboards from where the name came. A thing of beauty, so vintage. You could actually write stuff on those with a pencil!
Video 1.
Breadboards - Trash or Treasure? by Keysight (2020)
Source.
bsub get job stdout and stderr Updated 2025-07-16
By default, LSF only sends you an email with the stdout and stderr included in it, and does not show or store anything locally.
One option to store things locally is to use:
bsub -oo stdout.log -eo stderr.log 'echo myout; echo myerr 1>&2'
as documented at:Or to use files with the job id in them:
bsub -oo %J.out -eo %J.err 'echo myout; echo myerr 1>&2'
By default bsub -oo:
  • also contains the LSF metadata in addition to the actual submitted process stdout
  • prevents the completion email from being sent
To get just the stdout to the file, use bsub -N -oo which:
  • stores only stdout on the file
  • re-enables the completion email
as mentioned at:
Another option is to run with the bsub -I option:
bsub -I 'echo a;sleep 1;echo b;sleep 1;echo c'
This immediately prints stdout and stderr to the terminal.
bsub on foreground Updated 2025-07-16
Run bsub on foreground, show stdout on host stdout live with an interactive with the bsub -I option:
bsub -I 'echo a;sleep 1;echo b;sleep 1;echo c'; echo done
Ctrl + C kills the job on remote as well as locally.
btcdeb Updated 2025-07-16
Tested on Ubuntu 23.10:
sudo apt install libtool
git clone https://github.com/bitcoin-core/btcdeb
cd btcdeb
git checkout 4fd007e57b79cba9b5ffdf5ffe599778c0d63b88
./autogen.sh
./configure
make -j
Patch submited at: github.com/bitcoin-core/btcdeb/pull/143
Then we use it;
./btcdeb '[OP_1 OP_2 OP_ADD]'
and inside the shell:
btcdeb 5.0.24 -- type `./btcdeb -h` for start up options
LOG: signing segwit taproot
notice: btcdeb has gotten quieter; use --verbose if necessary (this message is temporary)
3 op script loaded. type `help` for usage information
script  |  stack 
--------+--------
1       | 
2       | 
OP_ADD  | 
#0000 1
btcdeb> step
                <> PUSH stack 01
script  |  stack 
--------+--------
2       |      01
OP_ADD  | 
#0001 2
btcdeb> step
                <> PUSH stack 02
script  |  stack 
--------+--------
OP_ADD  |      02
        |      01
#0002 OP_ADD
btcdeb> step
                <> POP  stack
                <> POP  stack
                <> PUSH stack 03
script  |  stack 
--------+--------
        |      03
btcdeb> step
script  |  stack 
--------+--------
        |      03
btcdeb> step
at end of script
btcdeb>
Buddhism Updated 2025-07-16
Ciro Santilli's favorite religion. He does not believe fully in it, nor has he studied it besides through brief Wikipedia and Googling.
Ciro likes Buddhism because it feels like the least "metaphysical explanations to things you can't see" of the religions he knows.
Rather, it feels more like "a plausible theory of the mind" and highly compatible with physics.
Ciro also believes that there is a positive correlation between being a software engineer and liking Buddhist-like things, see also: the correlation between software engineers and Buddhism.
Cerebras Updated 2025-07-19
For some reason they attempt to make a single chip on an entire wafer!
Video 1.
Cerebras Architecture Deep Dive by Sean Lie
. Source. 2022.

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