• Delete million of rows by ID in SQL

    We're trying to delete roughly 2 million rows from our PG database. We already have a list of IDs that need to be deleted but it's turning into a slow process. This is what I tried: DELETE FROM tbl WHERE id IN (select * from ids) So basically, this is taking about 2 days to finish. Is there a...

    ITKE364,180 pointsBadges:
  • What framework should I use for fast Hadoop real-time data analysis?

    I'm trying to do some real-time data analysis on data in HDFS but I'm not sure which framework I should use. I'm deciding between Cloudera, Apache and Spark. Which one would best suite me? Thanks!

    ITKE364,180 pointsBadges:
  • Issues deleting records in SQL database

    I'm having issues deleting records in a SQL database. What should I do?

    rockquery45 pointsBadges:
  • How to write a C++ program in a short way

    #include<iostream>,#include<fstream>,#include<vector>,#include<string>,#include<algorithm> using namespace std; int main() { vector<vector >Container1;// prototype of the functions (Declaring functions) vectorContainer2;//memory with no limit it holds a...

    chiku141050 pointsBadges:
  • What’s the accurate value of this code?

    Binary is 21D3 2D1A E202 DD32 and the answer is 4858. How they calculate this?

    dengbokbong35 pointsBadges:
  • Environment settings for writing JSP code in Eclipse

    Hi, I am very new for Coding or Development. Can you please send me environment settings for writing JSP code in eclipse?

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    haseenkhan80 pointsBadges:
  • How to use SAPFunctionsOCX for BAPI_ACC_INVOICE_RECEIPT_POST

    Hi all, can you please point me to / show sample code how to create BAPI_ACC_INVOICE_RECEIPT_POST by using SAPFUNCTIONSOCX either in VB or C#? Thanks a lot

    Paddel1005 pointsBadges:
  • Validate Button with JavaScript

    I'm trying to create a button in Dreamweaver so that when you click it, a Javascript code is run. Can anyone help me?

    tinaljmcgee5 pointsBadges:
  • Why is added new elements like header, footer, aside, article in HTML5?

    Why is added new elements like header, footer, aside, article in HTML5?

    patilrahul5155 pointsBadges:
  • Open DTD file extensions

    How do I open a .DTD document/file?

    sme0515 pointsBadges:
  • What kind of setup is required to start automated testing in an organization?

    Ours is a midsize organization. We are currently doing manual testing and want to start automated testing. What kind of setup is required? What has to be taken into consideration?

    Priya775 pointsBadges:
  • Ran out of 32-bit address space in Python

    When I was taking the covariance of a large matrix using numpy.gov, I got this weird error message: Python(22498,0xa02e3720) malloc: *** mmap(size=1340379136) failed (error code=12) *** error: can't allocate region *** set a breakpoint in malloc_error_break to debug Process Python bus error So what...

    ITKE364,180 pointsBadges:
  • Is there anything similar to Hadoop in C++?

    I apologize for the short / newbie question would anyone happen to know if there's anything like Hadoop in C++? I'm trying to use distributed computing using MapReduce but not sure of the best way to do it. Thank you.

    ITKE364,180 pointsBadges:
  • Where can I start learning .NET?

    I have to learn .NET. Where should I start?

    jmunna925 pointsBadges:
  • Writing Java program for printing numbers

    How do I write a Kava program for printing numbers without multiples of 3 and 4?

    saianuja5 pointsBadges:
  • C# Programmable graphics

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    mtboru120 pointsBadges:
  • How to sort large text data in Python

    We currently have a large file (that's over 100 million lines of tab separated values, which is about 1.5 GB in size). Does anyone know of a fast way we can sort this file through one of the fields. We already tried Hive but that was too slow. Would Python be able to do this?

    ITKE364,180 pointsBadges:
  • Performing SQL Join equivalent in MongoDB

    Does anyone know of a way to perform a SQL Join equivalent in MongoDB? This is what I have right now: comments { uid:12345, pid:444, comment="blah" } { uid:12345, pid:888, comment="asdf" } { uid:99999, pid:444, comment="qwer" } users { uid:12345, name:"john" } { uid:99999, name:"mia" } And I'm...

    ITKE364,180 pointsBadges:
  • How do you compare a number array from a subreport to a running total in the main report and return the element that is less than running total?

    I need the formula to find the element in a number array that meets the condition I specify then redims the array to exclude that number for the next loop (next detail line). Can anyone help me?

    troywoods15 pointsBadges:

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