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""" | |
Collect host CPU, memory, and disk utilization metrics minutely | |
and report them via an HTTP endpoint | |
""" | |
import time | |
import os | |
from textwrap import dedent | |
import threading |
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import asyncio | |
import bisect | |
import logging | |
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s') | |
logger = logging.getLogger(__name__) | |
async def sleep_and_sort(n, lock, result_list): | |
try: | |
logger.info(f"Sleeping for {n} seconds before doing work") |
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py4j.protocol.Py4JJavaError: An error occurred while calling o90.save. | |
: java.io.IOException: Failed to open native connection to Cassandra at {<Redacted>}:<Redacted port> | |
at com.datastax.spark.connector.cql.CassandraConnector$.com$datastax$spark$connector$cql$CassandraConnector$$createSession(CassandraConnector.scala:168) | |
at com.datastax.spark.connector.cql.CassandraConnector$$anonfun$8.apply(CassandraConnector.scala:154) | |
at com.datastax.spark.connector.cql.CassandraConnector$$anonfun$8.apply(CassandraConnector.scala:154) | |
at com.datastax.spark.connector.cql.RefCountedCache.createNewValueAndKeys(RefCountedCache.scala:32) | |
at com.datastax.spark.connector.cql.RefCountedCache.syncAcquire(RefCountedCache.scala:69) | |
at com.datastax.spark.connector.cql.RefCountedCache.acquire(RefCountedCache.scala:57) | |
at com.datastax.spark.connector.cql.CassandraConnector.openSession(CassandraConnector.scala:79) | |
at com.datastax.spark.connector.cql.CassandraConnector.withSessionDo(CassandraConnector.scala:111) |
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pico-8 cartridge // http://www.pico-8.com | |
version 16 | |
__lua__ | |
-- move an ball on-screen | |
-- by erik hollembeak | |
SCREEN_WIDTH = 128 | |
SCREEN_HEIGHT = 128 | |
-- Ball definition |
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/* Write a program that opens a file (with the open() system call) and then | |
* calls fork() to create a new process. Can both the child and parent access | |
* the file descriptor returned by open()? What happens when they are writing to | |
* the file concurrently, i.e., at the same time? */ | |
#include <fcntl.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <unistd.h> |
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# What methods does a class implement? | |
> Time.methods | |
=> [:!, :!=, :!~, :<, :<=, :<=>, :==, :===, :=~, :>, :>=, :__id__, :__send__, :allocate, :ancestors, :at, :autoload, :autoload?, :class, :class_eval, :class_exec, :class_variable_defined?, :class_variable_get, :class_variable_set, :class_variables, :clone, :const_defined?, :const_get, :const_missing, :const_set, :constants, :define_singleton_method, :deprecate_constant, :display, :dup, :enum_for, :eql?, :equal?, :extend, :freeze, :frozen?, :gm, :hash, :include, :include?, :included_modules, :inspect, :instance_eval, :instance_exec, :instance_method, :instance_methods, :instance_of?, :instance_variable_defined?, :instance_variable_get, :instance_variable_set, :instance_variables, :is_a?, :itself, :kind_of?, :local, :method, :method_defined?, :methods, :mktime, :module_eval, :module_exec, :name, :new, :nil?, :now, :object_id, :prepend, :private_class_method, :private_constant, :private_instance_methods, :private_method_defined?, :private_methods, :protected_ |
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// https://tour.golang.org/methods/22 | |
package main | |
import "golang.org/x/tour/reader" | |
type MyReader struct{} | |
func (reader MyReader) Read(b []byte) (int, error) { | |
count := 0 | |
for i, _ := range b { |
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2.4.2 |
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; stripes.asm | |
; | |
; Example Atari 2600 program - paints | |
; colored stripes to the screen | |
; | |
; dasm stripes.asm -f3 -ostripes.bin | |
; | |
; | |
processor 6502 |
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source "https://rubygems.org" | |
gem "minitest" |
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