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Zed: Rust analyzer – Enable all or specific crate feature flags

Instructions for enabling specific or all crate feature flags in the Zed editor using rust-analyzer.

1. Create a Settings File

Create a settings file in your project directory:

.zed/settings.json

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use anyhow::{anyhow as e, Result};

pub async fn host_to_ip(host: &str) -> Result<String> {
    match tokio::net::lookup_host(host).await {
        Ok(mut ips) => {
            if let Some(ip) = ips.next() {
                Ok(ip.to_string())
            } else {
                Err(e!("No IP address found for {}", host))
            }

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openssl genrsa -out server.key 2048
openssl ecparam -genkey -name secp384r1 -out server.key
openssl req -new -x509 -sha256 -key server.key -out server.crt -days 3650

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echo 2 >> /sys/module/hid_apple/parameters/fnmode

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Error

The authenticity of host 'github.com (140.82.113.4)' can't be established.

Fix

ssh-keyscan github.com >> ~/.ssh/known_hosts

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The Zen of Python

https://www.python.org/dev/peps/pep-0020/

• Beautiful is better than ugly.
• Explicit is better than implicit.
• Simple is better than complex.
• Complex is better than complicated.
• Flat is better than nested.
• Sparse is better than dense.
• Readability counts.

vikpe

#!/bin/bash

# sample config (4x2 grid on a 3840x2160 screen)
screen_cols=424
screen_rows=116
screen_width=3840
screen_height=2160
grid_col_count=4
grid_row_count=2

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.responsive-border {
  box-shadow: 1px 0 0 0 black, 
              0 1px 0 0 black, 
              1px 1px 0 0 black, 
              1px 0 0 0 black inset, 
              0 1px 0 0 black inset;
}

vikpe

Fix for rubygems SSL certificate error on Windows

SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed

1. Download R1 GlobalSign Root Certificate: https://secure.globalsign.net/cacert/Root-R1.crt
2. Save it somewhere local, so you can easily access it from a command prompt.
3. Convert to a PEM file. openssl x509 -in Root-R1.crt -out GlobalSignRootR1.pem -outform PEM -inform DEF
4. Copy the new GlobalSignRootR1.pem file that it creates into: D:\Ruby23-x64\lib\ruby\2.3.0\rubygems\ssl_certs\ <-- this path will obviously be different depending on where you've got Ruby installed!