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Powerlevel9k

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Studying for a Tech Interview Sucks, so Here's a Cheat Sheet to Help

This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. It also will be available as a gist on Github for everyone to edit and add to.

Data Structure Basics

###Array ####Definition:

• Stores data elements based on an sequential, most commonly 0 based, index.
• Based on tuples from set theory.

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FILE SPACING:

 # double space a file
 sed G

 # double space a file which already has blank lines in it. Output file
 # should contain no more than one blank line between lines of text.
 sed '/^$/d;G'

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go test -v . | sed ''/PASS/s//$(printf "\033[32mPASS\033[0m")/'' | sed ''/FAIL/s//$(printf "\033[31mFAIL\033[0m")/'' | sed ''/RUN/s//$(printf "\033[36mRUN\033[0m")/''

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package main

import (
    "fmt"
    "os"
    "path/filepath"
)

func main() ([]string, error) {
    searchDir := "c:/path/to/dir"

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//Recordar que los módulos van en config.json y allí se crean las variables para poder usarlos.
var restify = require('restify');
var http = require('http');

var workflow = module.exports = {
    name: 'Looking for cellphone company',
    chain: [
    {
        name: 'Create an account in TIGO',
        timeout: 20,

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var EventSource = require('eventsource');
var Wreck = require('wreck');
var parse = require('parse-link-header');
var qs = require('querystring');


var readableStream = qs.stringify({number:'54665160 '});

var options = {
  payload: readableStream,

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 'Recibir un XML como un String
 Private Function LoopXML(ByVal xml As String) As String
        Try

            Dim strSalida As String = ""
            Dim nt As NameTable = New NameTable()
            Dim nsmgr As XmlNamespaceManager = New XmlNamespaceManager(nt)
            nsmgr.AddNamespace(String.Empty, "")
            Dim context As XmlParserContext = New XmlParserContext(Nothing, nsmgr, Nothing, XmlSpace.None)

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set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
GO

ALTER FUNCTION [dbo].[Segundos_Laborales_Extremos] ( @empleado int, @fecha_inicial DATETIME, @fecha_final DATETIME) 
RETURNS INT 
AS 
BEGIN 

DECLARE @hora_inicio DATETIME, @hora_fin DATETIME

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/*
La función obtiene el tiempo laboral en segundos de un empleado entre dos fechas.
 
Esta función trabaja sobre una tabla de horarios por empleado donde cada empleado puede tener muchos horarios por día. 
Se asume que no hay traslapes de horarios.
 
Un ejemplo de la tabla podría ser así:
 
dia|hora_inicio|hora_fin|empleado
2  |08:00      |13:00   |15