hongry18

gdb install in osx

download source

https://ftp.gnu.org/gnu/gdb/gdb-8.0.1.tar.xz
8.2에 codesign 문제가 있어 8.0.1 로 다운그레이드 해서 사용.

crash

reference : https://stackoverflow.com/posts/52995622/revisions

BFD: test: unknown load command 0x32

hongry18

Regular Expression

Lookahead & Lookbehind

positive Lookahead

positive lookahead는 a다음 b가 오도록 한다.

var reg = /a(?=b)/g;

hongry18

Backport WebSocket to Apache 2.2

This is my variation from the original patch and that also includes the suggested correction for the bug with secure websocket 'wss://'.

The difference is that I avoid modifying the mod_utils.c and the mod_proxy.h so that if the mod_proxy module has been embedded in the main httpd binary then it will work and you won't get the

hongry18

OPENCV Install

reference

[https://docs.opencv.org/3.3.0/d7/d9f/tutorial_linux_install.html]

Required Packages

• GCC 4.4.x or later
• CMake 2.8.7 or higher
• Git
• GTK+2.x or higher, including headers (libgtk2.0-dev)

hongry18

osx gcc-9.1 install

reference

[https://solarianprogrammer.com/2017/05/21/compiling-gcc-macos/]

downloads

• curl -L https://ftpmirror.gnu.org/gcc/gcc-9.1.0/gcc-9.1.0.tar.xz | tar xf -
• curl -L ftp://gcc.gnu.org/pub/gcc/infrastructure/gmp-6.1.0.tar.bz2 | tar xf -
• curl -L ftp://gcc.gnu.org/pub/gcc/infrastructure/mpfr-3.1.4.tar.bz2 | tar xf -
• curl -L ftp://gcc.gnu.org/pub/gcc/infrastructure/mpc-1.0.3.tar.gz | tar xf -

hongry18

주의

• 이 문서는 CMake를 주관적으로 서술합니다
• 이 문서를 통해 CMake를 시작하기엔 적합하지 않습니다
  https://cgold.readthedocs.io/en/latest/ 3.1 챕터까지 따라해본 이후 기본사항들을 속성으로 익히는 것을 돕기위한 보조자료로써 작성되었습니다

참고자료

hongry18

brew install gdb

generate keychain gdb-cert

vi gdb-gdb-entitlement.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">

hongry18

OpenCV install in mac

install homebrew

install requirements

brew install python3
brew install cmake

hongry18

install ffmpeg on Mac 14

dependencies

• pkg-config
• freetype2
• fribidi
• libass
• x264

pkg-config

hongry18

REDIS install guid on CentOS7 (minimal)

dependencies

yum -y install gcc gcc-c++ make tcl

redis

source

http://download.redis.io/redis-stable.tar.gz