happyjake

macOS CLI Performance Notes

Benchmarking results for common command-line operations on macOS.

SSH Process Detection

Best Method: pgrep -q ssh

• Time: 16.7ms ± 0.3ms
• Usage: if pgrep -q ssh; then echo "SSH running"; fi
• Why: Fast, clean exit codes, no output parsing

happyjake

#!/bin/bash
# Claude Code Status Bar with Current Directory
# Prepends the current working directory to your Claude Code status bar
# Home directory is displayed as ~ for cleaner output

# Read the input JSON from Claude Code
input=$(cat)

# Extract the current working directory from the workspace data
current_dir=$(echo "$input" | jq -r '.workspace.current_dir')

happyjake

import math
import matplotlib.pyplot as plt

timestamps = []
xs = []
ys = []

sample_rate = 4  # 10ms
x_begin = x_end = 0x285

happyjake

local apps = {}

-- App-specific code, runs when you launch or switch to another app
local App = {}
App.new = function(name)
  log.d('new App for ',name)
  local self = {}
  self.name = name
  self.bindings = {}

happyjake

/*
 PoC WhatsApp enumeration of phonenumbers, profile pics, about texts and online statuses
 Floated div edition
 01-05-2017
 (c) 2017 - Loran Kloeze - loran@ralon.nl
 
 This script creates a UI on top of the WhatsApp Web interface. It enumerates certain kinds
 of information from a range of phonenumbers. It doesn't matter if these numbers are part
 of your contact list. At the end a table is displayed containing phonenumbers, profile pics, 
 about texts and online statuses. The online statuses are being updated every

happyjake

"
" how to install 
"
" git clone https://github.com/gmarik/vundle.git ~/.vim/bundle/vundle
" vim +BundleInstall +qall
"

set nocompatible
" vundle {
  filetype off

happyjake

#include <math.h>
#include <stdint.h>
#include <stdlib.h>


static char encoding_table[] = {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
                                'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
                                'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
                                'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
                                'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',

happyjake

void GetArgAsStdString(const Arguments& args, int n, std::string& str) {
	Local<String> inbuf_str = args[n].As<String>();
	str.resize(inbuf_str->Utf8Length());
	inbuf_str->WriteUtf8((char *) &(str[0]));
}

bool GetObjValAsUInteger(Handle<Object> obj, const char *key, size_t& uintVal) {
	Local<String> k = String::New(key);
	if (!obj->Has(k)) {
		return false;