idleuncle

// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

idleuncle

ifconfig -a | grep inet | grep -v 127.0.0.1 | grep -v inet6 | awk '{print $2}' | tr -d "addr:"

idleuncle

Reboot with Command + R to enter into Recovery Mode.
"OS X Utilities" -> "Terminal"
$ csrutil disable; reboot

check status
$ csrutil status

idleuncle

https://stackoverflow.com/questions/9853325/how-to-convert-a-svg-to-a-png-with-image-magick

$ inkscape -z -e test.png -w 1024 -h 1024 test.svg

npm install svgexport -g

svgexport input.svg output.png 64x
svgexport input.svg output.png 1024:1024

convert -density 1200 -resize 200x200 source.svg target.png

idleuncle

sudo  /usr/libexec/locate.updatedb

idleuncle

sudo codesign -f -d -s - /Applications/Alfred\ 3.app/Contents/Frameworks/Alfred\ Framework.framework/Versions/A/Alfred\ Framework

idleuncle

openssl rand -base64 8 | cut -c 1-9

# 生成128位随机串
cat /dev/urandom | od -X -N 16 | head -n 1 | cut -d ' ' -f 2- | tr -d ' '

# 生成8字节长度随机串，27 = 9 + 16
cat /dev/urandom | od -x  | head -c 27 | cut -d ' ' -f 2- | tr -d ' '
# 生成16字节长度随机串，41 = 9 + 32
cat /dev/urandom | od -x  | head -c 41 | cut -d ' ' -f 2- | tr -d ' '
# 生成32字节长度随机串（最长32字节）

idleuncle

ssh 192.168.1.1 "echo 'newpassword' | passwd --stdin root"

Ubuntu下没有--stdin选项，此时用chpasswd
echo user:newpassword | chpasswd

idleuncle

wxRect rect(0,0,200,200);
unsigned int image_buffer_len = rect.width * rect.height * 4;
unsigned char *image_buffer = (unsigned char*)new unsigned char[image_buffer_len];

cairo_surface_t *cairo_surface = cairo_image_surface_create_for_data(image_buffer, CAIRO_FORMAT_RGB32, rect.width, rect.height, rect.width * 4);
cairo_t *cairo_image = cairo_create(cairo_surface);

Render(cairo_image, rect.width, rect.height);

unsigned char *output = (unsigned char*)new unsigned char[image_buffer_len];

idleuncle

python -m SimpleHTTPServer 8080

python3 -m http.server

npm install -g live-server