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Dennis Ping DennisPing

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@pteich
pteich / main.go
Last active May 30, 2024 02:57
Example for using go's sync.errgroup together with signal detection signal.NotifyContext to stop all running goroutines
package main
import (
"context"
"errors"
"fmt"
"os/signal"
"syscall"
"time"
@rxaviers
rxaviers / gist:7360908
Last active June 9, 2025 12:04
Complete list of github markdown emoji markup

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@kachayev
kachayev / dijkstra.py
Last active March 4, 2025 23:42
Dijkstra shortest path algorithm based on python heapq heap implementation
from collections import defaultdict
from heapq import *
def dijkstra(edges, f, t):
g = defaultdict(list)
for l,r,c in edges:
g[l].append((c,r))
q, seen, mins = [(0,f,())], set(), {f: 0}
while q: