In this tutorial we're going to build a set of parser combinators.
We'll answer the above question in 2 steps.
- What is a parser?
- and, what is a parser combinator?
So first question: What is parser?
import os | |
from dotenv import load_dotenv | |
import requests | |
from slack_sdk import WebClient | |
from slack_sdk.errors import SlackApiError | |
from datetime import date | |
from collections import defaultdict | |
import modal | |
load_dotenv() |
// This is an example of how to fetch external data in response to updated props, | |
// If you are using an async mechanism that does not support cancellation (e.g. a Promise). | |
class ExampleComponent extends React.Component { | |
_currentId = null; | |
state = { | |
externalData: null | |
}; |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <libproc.h> | |
// Uses proc_pidinfo from libproc.h to find the parent of given pid. | |
// Call this repeatedly until ppid(pid) == pid to get ancestors. | |
int ppid(pid_t pid) { | |
struct proc_bsdinfo info; | |
proc_pidinfo(pid, PROC_PIDTBSDINFO, 0, &info, sizeof(info)); | |
return info.pbi_ppid; |