Skip to content

Instantly share code, notes, and snippets.

View enthus1ast's full-sized avatar

David Krause enthus1ast

63 followers · 50 following
View GitHub Profile
@enthus1ast
enthus1ast / gist:110121ca06bdc71f967c7406bac5ad9a
Created November 3, 2019 13:03
dumpTree:
var dis: set[Distribution] = {}
if detectOs(Windows):
dis.incl Windows
## more detect os
@enthus1ast
enthus1ast / gist:13f7efddce9ee192dfd21045056c6a2e
Created November 3, 2019 13:01
import distros
import macros
macro whichOs(): untyped =
result = newStmtList()
for dist in Distribution:
result.add newCall("echo", newLit dist , newLit " ", newCall("detectOs", newIdentNode($dist)))
whichOs()
@enthus1ast
enthus1ast / gist:e487aec1d08b7c4822a48a3711f27cdf
Created November 3, 2019 12:46
import distros
for dist in Distribution:
echo dist, detectOs(dist)
distrost.nim(53, 22) template/generic instantiation of `detectOs` from here
distros.nim(184, 28) Error: undeclared field: 'dist'
found 'dist' of kind 'forvar'
@enthus1ast
enthus1ast / gist:19a472de473e1049ec954f9cc946068c
Created May 18, 2019 23:18
import asyncdispatch, asyncnet
type
Server = ref object
socket: AsyncSocket
proc newServer(): Server =
Server(socket: newAsyncSocket())
proc loop(server: Server, port = 7920) {.async.} =
server.socket.bindAddr(Port(port), "0.0.0.0")
@enthus1ast
enthus1ast / threadAsync.nim
Last active November 5, 2018 22:03
# test with: `while true; do curl 127.0.0.1:8080; done`
# import threadpool
import locks
import os
import asyncdispatch
import asynchttpserver, asyncdispatch
var L: Lock
type Context = ref object {.pure.}
@enthus1ast
enthus1ast / gist.nim
Last active October 19, 2018 19:47
type ServiceMain = proc(gSvcStatus: SERVICE_STATUS)
proc wrapServiceMain(mainProc: ServiceMain): LPSERVICE_MAIN_FUNCTION {.closure.} =
## wraps a nim proc in a LPSERVICE_MAIN_FUNCTION
return proc(dwArgc: DWORD, lpszArgv: LPTSTR) {.stdcall.} =
gSvcStatusHandle = RegisterServiceCtrlHandler(
SERVICE_NAME,
svcCtrlHandler
)
gSvcStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS
gSvcStatus.dwServiceSpecificExitCode = 0
@enthus1ast
enthus1ast / gist:0993a76ec8e6c22d09bc0030eac6a159
Last active October 14, 2018 19:22
## Store multiple "bool" values in an integer
# http://blog.millermedeiros.com/using-integers-to-store-multiple-boolean-values/
type foos = enum
foo = 1.shl 0, # 1
baa = 1.shl 1, # 2
baz = 1.shl 2 # 4
echo foo.int
echo baa.int
echo baz.int
@enthus1ast
enthus1ast / gist:e25a52d768fcefb40b02070398607002
Created September 20, 2018 00:25
################
import webview
import strutils
import os
const indexHTML = """
<!doctype html>
<html>
<head>
@enthus1ast
enthus1ast / gist:a052d8c4dbf487f0d9fb6f91ddf1dd77
Created April 25, 2018 13:15
import httpclient, asyncdispatch
var client = newAsyncHttpClient()
proc onProgressChanged(total, progress, speed: BiggestInt) {.async.} =
echo("Downloaded ", progress, " of ", total)
echo("Current rate: ", speed div 1000, "kb/s")
client.onProgressChanged = onProgressChanged
echo waitFor client.getContent("http://speedtest-ams2.digitalocean.com/100mb.test")
@enthus1ast
enthus1ast / optionOfDateTime.nim
Created April 11, 2018 11:26
import times
import options
type
Entry = object of RootObj
emergeDate: Option[DateTime]
publishDate: Option[DateTime]
proc newEntry(): Entry =
# Gives: Error: fields not initialized: emergeDate, publishDate.