| function int2ip (ipInt) { | |
| return ( (ipInt>>>24) +'.' + (ipInt>>16 & 255) +'.' + (ipInt>>8 & 255) +'.' + (ipInt & 255) ); | |
| } |
| // Lack of tail call optimization in JS | |
| var sum = function(x, y) { | |
| return y > 0 ? sum(x + 1, y - 1) : | |
| y < 0 ? sum(x - 1, y + 1) : | |
| x | |
| } | |
| sum(20, 100000) // => RangeError: Maximum call stack size exceeded | |
| // Using workaround |
| // We use crypto.randomBytes(20) as an example to generate the seed with a higher entropy, higher number of unique values | |
| var hash = crypto.createHash('sha1').update(crypto.randomBytes(20)).digest('hex') |
| npm update -S |
| # init a python project | |
| pip install virtualenv | |
| virtualenv --distribute <venv_dirname> | |
| source <venv_dirname>/bin/activate | |
| # install dependencies | |
| pip install -r requirements.txt | |
| # exit virtualenv mode | |
| deactivate |
| 1. Since we are using NVIDIA driver, we need to remove or disable XServer Nouveau Drivers | |
| * Disable : | |
| ** sudo nano /etc/modprobe.d/blacklist-nouveau.conf | |
| ** Add the following two lines : | |
| blacklist nouveau | |
| options nouveau modeset=0 | |
| * Remove : sudo apt-get remove xserver-xorg-video-nouveau | |
| 2. Stop the display manager : sudo service lightdm stop | |
| 3. Install the drivers : |
| # cli | |
| $ node --expose-gc test.js | |
| # in .js source code | |
| global.gc() |
| $ lsb_release -a |
| 1. Menu do not display | |
| * Type : $ nano .local/share/applications/dart_editor.desktop | |
| * Make sure you have the following lines in this file : | |
| Icon=<your_path>/dart/icon.xpm | |
| Path=<your_path>/dart | |
| Exec=env UBUNTU_MENUPROXY= <your_path>/dart/DartEditor (!! space character important here !!) | |
| 2. Dartium can not be open b/c libudev.so.0 was not found |
Below a list of yeoman tools, generators that are very useful to scaffold front-end boilerplate code.
Also It can be very helpful in adding them into a docker container and share.
Envcheck makes sure that everything is installed properly in order to run yeoman smoothly
$ npm install -g envcheck