hellerbarde

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs

burke

Local (OS X) Side

~/Library/LaunchAgents/pbcopy.plist

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

P7h

# Steps to build and install tmux from source.
# Takes < 25 seconds on EC2 env [even on a low-end config instance].

VERSION=2.7
sudo yum -y remove tmux
sudo yum -y install wget tar libevent-devel ncurses-devel
wget https://github.com/tmux/tmux/releases/download/${VERSION}/tmux-${VERSION}.tar.gz
tar xzf tmux-${VERSION}.tar.gz
rm -f tmux-${VERSION}.tar.gz
cd tmux-${VERSION}

tonysneed

- Open Automator 
- File -> New -> Service 
- Change "Service Receives" to "files or folders" in "Finder" 
- Add a "Run Shell Script" action 
- Change "Pass input" to "as arguments" 
- Paste the following in the shell script box: open -n -b "com.microsoft.VSCode" --args "$*" 
- Save it as something like "Open in Visual Studio Code"

lizan

#!/usr/bin/env python2.7
#
# A script to generate CMakeLists.txt from bazel C++ target.
# With CMakeLists.txt file, it can be opened directly from CLion.
#
# Usage:
# $ bazel-cmakelists
#
# CMake also support generating other IDE project files such as Eclipse and Xcode.
# Run following command additionally to generate Xcode project:

alundiak

#!/usr/bin/env bash

# # 
# # Install main dependencies on CentOS: 
# # Python 3.4.5, CMake 3.10.0, OpenCV 3.3.1
# # Author Andrii Lundiak (landike@gmail.com)
# # 

# https://github.com/ageitgey/face_recognition/issues/191
# https://github.com/opencv/opencv/issues/8471

fauxpark

diff --git a/builddefs/common_features.mk b/builddefs/common_features.mk
index 18f8b0bbfc..4ef3e230e4 100644
--- a/builddefs/common_features.mk
+++ b/builddefs/common_features.mk
@@ -878,6 +878,10 @@ ifeq ($(strip $(JOYSTICK_ENABLE)), yes)
     endif
 endif
 
+ifeq ($(strip $(APPLE_FN_ENABLE)), yes)
+    OPT_DEFS += -DAPPLE_FN_ENABLE

drashna

{
    "configurations": [
        {
            "name": "Mac",
            "includePath": [
                "/usr/local/Cellar/arm-gcc-bin@8/8-2019-q3-update_1/arm-none-eabi/include/**",
                "/usr/local/Cellar/arm-gcc-bin@8/8-2019-q3-update_1/lib/gcc/arm-none-eabi/8.3.1/include/**",
                "/usr/local/Cellar/arm-gcc-bin@8/8-2019-q3-update_1/lib/gcc/arm-none-eabi/8.3.1/include-fixed/**",
                "/usr/local/Cellar/avr-gcc@8/8.4.0_2/avr/include/**",
                "/usr/local/Cellar/avr-gcc@8/8.4.0_2/lib/avr-gcc/8/gcc/avr/8.4.0/include/**",