In pratice, the approach of separate RNGs with different seeds for threads/processes is widely used (even though theoretically those RNGs might have overlaping sequences, which is undesirable). For more discussions on this approach, please refer to The Rust Rand Book - Parallel RNGs and Seed Many RNGs in Rust . The …
Seed Many RNGs in Rust
There are different ways to seed many RNGs (for parallel RNGs).
Below summarizes 3 popular ways.
Seeding RNGs using
std::collections::hash_map::RandomState
or rand::thread_rng
is preferred.
Seed Using System Time
use std::time::{SystemTime, UNIX_EPOCH};
use rand::SmallRng;
fn main () {
let seed = SystemTime::now()
.duration_since(UNIX_EPOCH)
.unwrap()
.as_nanos …Tips on Bytehound
Bytehound works with Rust stable (Rust nightly is not required) .
Installation
apt-get install gcc nodejs npm
npm install -g yarn
cargo build --release -p bytehound-preload
cargo build --release -p bytehound-cli
Or if you use icon,
icon bytehound -ic
Usage
Run your application with bytehound to collect memory usage data.
export …IPython Is the Best Shell
IPython is the Best Shell!
-
Use IPython as much as possible.
- IPython has virtues of both shell and Python.
- You should avoid using shell scripts for complicate tasks any way.
-
If you do want to use a Unix/Linux shell, I'd suggest you stick to Bash unless Linux distributions start …
Python Alternatives to Shell
Install Rust Globally in Linux
There are 3 ways to install a global standalone version of Rust in Linux.
The recommended way is to use rustup with customized environment variables.
Using a Package Management Tool
Some Linux distributions provide packages for Rust. Taking Debian/Ubuntu based Linux distributions as an example, you can install a …