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## btrfs_is_fun.md

      
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                chapmanjacobd
                / btrfs_is_fun.md
            
            
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              November 26, 2023 18:26
            
              
                BTRFS single mode evaluation
              
          
    The experiment

Preparation
truncate -s20G d1.img
truncate -s20G d2.img
truncate -s20G d3.img
truncate -s20G d4.img
set ld1 (sudo losetup --show --find d1.img)

  
## decompile_dtb.sh
# Decompile
dtc -I dtb -O dts -o devicetree.dts /boot/dtb/<your_devicetree_file_name>.dtb

# Compile
dtc -I dts -O dtb devicetree.dts -o <your_devicetree_file_name>.dtb

# Merge with DTBO
fdtoverlay -i modified-base.dtb -o modified-full.dtb  /boot/tegra194-p3668-all-p3509-0000-user-custom.dtbo

# DTS from fs

## 55-bytes-of-css.md

      
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                JoeyBurzynski
                / 55-bytes-of-css.md
            
            
              Last active
              October 28, 2025 06:41
            
              
                58 bytes of css to look great nearly everywhere
              
          
    58 bytes of CSS to look great nearly everywhere

When making this website, i wanted a simple, reasonable way to make it look good on most displays. Not counting any minimization techniques, the following 58 bytes worked well for me:
main {
  max-width: 38rem;
  padding: 2rem;
  margin: auto;
}

  
## Dockerfile
# https://solarianprogrammer.com/2018/05/06/building-gcc-cross-compiler-raspberry-pi/

# Ubuntu 18.04 at the time of writing (2019-04-02)
FROM ubuntu:latest

# Install some tools and compilers + clean up
RUN apt-get update && \
    apt-get install -y git wget gcc-8 g++-8 cmake gdb gdbserver bzip2 && \
    apt-get clean autoclean && \
    apt-get autoremove -y && \
	# Decompile
	dtc -I dtb -O dts -o devicetree.dts /boot/dtb/<your_devicetree_file_name>.dtb

	# Compile
	dtc -I dts -O dtb devicetree.dts -o <your_devicetree_file_name>.dtb

	# Merge with DTBO
	fdtoverlay -i modified-base.dtb -o modified-full.dtb /boot/tegra194-p3668-all-p3509-0000-user-custom.dtbo

	# DTS from fs
	# https://solarianprogrammer.com/2018/05/06/building-gcc-cross-compiler-raspberry-pi/

	# Ubuntu 18.04 at the time of writing (2019-04-02)
	FROM ubuntu:latest

	# Install some tools and compilers + clean up
	RUN apt-get update && \
	apt-get install -y git wget gcc-8 g++-8 cmake gdb gdbserver bzip2 && \
	apt-get clean autoclean && \
	apt-get autoremove -y && \