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function update_tags () {
  rm -f tags GTAGS GRTAGS GPATH
  ctags -R
  gtags
}

#Force python not generate __pycache__
export PYTHONDONTWRITEBYTECODE=1

alias grepp="grep -nIR"

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# Download:
git clone https://github.com/llvm/llvm-project.git
cd llvm-project/

# Configure
mkdir build && cd build
cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=${HOME}/.local -DLLVM_ENABLE_PROJECTS=clang -G "Unix Makefiles" ../llvm

# Make and install
make -j$(nproc)

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# Download:
git clone https://github.com/llvm/llvm-project.git
cd llvm-project/llvm

# Configure
mkdir build && cd build && cmake .. -DCMAKE_BUILD_TYPE=Release

# build:
cmake --build . -j $(nproc)

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https://github.com/vishaltelangre/ff

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# server: ss and polipo installed.
# polipo_port:8123, polipo config proxy type as socks5, and set corresponding ss_port
# then ssh to the machine which need proxy from server. assume your ss_port is 1080:
# ssh -R <port_on_target_machine>:<proxy_machine_address>:<correspon bindding port>
ssh -R 8123:localhost:8123  -R 1080:localhost:1080   target_machine_ip

# at target_machine:
if [[ "$1" == "off" ]]; then
  unset http_proxy
  unset https_proxy

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find the corresponding source, eg 4.15
apt search linux-source
sudo apt-get install linux-source-4.15.0
cd /usr/src/linux-source-4.15.0/linux-source-4.15.0/
cp /boot/config-`uname -r` .config && make olddefconfig
#now we can modify the config
make -j `getconf _NPROCESSORS_ONLN` deb-pkg
dpkg -i linux-*.deb

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https://www.jianshu.com/p/6274253b78d8
defaults write -g CGFontRenderingFontSmoothingDisabled -bool NO

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wget from cmake official site
tar ...
./bootstrap --prefix=${HOME}/.local
make -j$(nproc) && make install

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set solib-search-path ./symbols/usr/lib/
file ./symbols/usr/bin/node
dir vm/v8/out
target remote :1234
b main
c

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set history save
set history size 100000
set history filename ~/.gdb_history
set confirm off
set verbose off
set print pretty on
set print array off
set print array-indexes on
set trace-commands on
set logging on