Questions & Answers

  • Pass mapped data to multiple reduce functions in Hadoop

    I currently have a large datasest that I need to analyze with multiple reduce functions. What I would like to do is read the dataset only once and then pass the mapped data to multiple reduce functions. Is there a way I can do this in Hadoop? Thank you!

    ITKE355,655 pointsBadges:
  • Which SAP course should I go for?

    I hav done b-pharm and currently work with hinduja hospital + pursuing MBA in material management part time. I completed 3 semesters and studying 4th semester. Now, I want to go for SAP course as well. As I'm not getting much scope in my current field. Will this help me and what specialty should I...

    niranand5 pointsBadges:
  • AIX LPAR CPU cycle usage

    Hello, How can I come to know that other Dev LPAR usages my PERF CPU cycles in uncrap mode. Are there any parameters to be monitored in such cases? Consider here: Dev LPAR is in Crap mode and it reaches max CPU resource usage, then it started using PERF CPU cycles. Kindly some one help with...

    sekharsyy5 pointsBadges:
  • Sorting of students strength on one form in Microsoft Access

    I have a table named Students with the following fields and data ID Level Session Gender Regular/Plus Shift Program Section: 13 INTERMEDIATE 2013-2015 MALE REGULAR MORNING FSC ENG FSC B-4 14 INTERMEDIATE 2013-2015 MALE REGULAR MORNING FSC ENG FSC B-3 15 INTERMEDIATE 2013-2015 MALE REGULAR MORNING...

    MUHAMMADYOUSAF10 pointsBadges:
  • Share Outlook Distribution List

    How can I share an Outlook distribution list with an AOL user?

    J9Larkin5 pointsBadges:
  • Issues deleting records in SQL database

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

    rockquery45 pointsBadges:
  • Live Expert Chat with Alcatel Lucent Tomorrow 11/30 (sponsored)

    Tomorrow, Tuesday 11/30, is our next live Expert Chat with Alcatel Lucent at 10am EDT. Transitioning to LTE: Business and Technical Considerations will help you consider what needs to be done as you create and implement a highly adaptive business model with customer-focused strategic planning,...

    ITKE355,655 pointsBadges:
  • Live Chat with Alcatel-Lucent on April 7 (Sponsored)

    On April 7, attend our Live Chat with Alcatel-Lucent to discuss real-world examples of service providers implementing transformation projects to become more innovative, competitive, simpler, faster and more efficient; while improving customer quality of experience and laying a solid foundation for...

    ITKE355,655 pointsBadges:
  • Getting warning message when starting Hadoop cluster

    I just started a Hadoop cluster but I keep getting this warning message: $HADOOP_HOME is deprecated. But when I add export HADOOP_HOME_WARN_SUPPRESS="TRUE" into hadoop-env.sh, I don't get the message anymore (when I start the cluster). When I run this: hadoop dfsadmin -report, I see the message...

    ITKE355,655 pointsBadges:
  • How to add one Module to the existing Service Program

    Hi, I want to add or append one new module called 'C' to the already existing service program (SRVPGM) For Example: I have one service program called SRVPGM consists of 2 Modules are A, B. Now I want to add one new Module called 'C' to SRVPGM. How can I do this? when we do UPDSRVPGM does the...

    hndajad65 pointsBadges:
  • Netserver expert anyone?

    I'm trying to access windows folders on a server and I get this error: 'Error exchanging security information... Error Class:1, Code: 5 = Access denied. My passwords do match and I previously accesses these folders. The problem started when I changed my password.

    yaazhisai225 pointsBadges:
  • Load small random sample of a large CSV file into R data frame

    We have a CSV file that needs to be processed but doesn't fit into the memory. Is there a way we can read 20K+ random lines of it to do basic stats on our selected date frame?

    ITKE355,655 pointsBadges:
  • Should I learn MongoDB or CouchDB for NoSQL?

    I'm pretty new to everything NoSQL related but I've heard a ton of things on MongoDB and CouchDB but I'm not sure of the differences. Can anyone help me? Which one do you recommend as a first step to learning NoSQL? Thank you very much!

    ITKE355,655 pointsBadges:
  • How to delete all data in MongoDB

    I'm currently working in development on MongoDB. Every once in a while, I need to delete pretty much everything in that database. Does anyone know if there's a single line of code to do this? I'm going through every single collection right now and it's taking way too long.

    ITKE355,655 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:
  • AS/400 Admin question: How to release the *LCKSPC lock on a file

    Hi, One of the file is locked abnormally with *LCKSPC with *SHRUPD. We could not able to release the lock even after tuning Subsystem down. Any better way to avoid this kind of locks on files? With WRKOBLCK we could able to get the below lock Opt  Member      Job        ...

    As400pgmmer310 pointsBadges:
  • Not able to login to AS/400

    A user is not able to connect to AS/400. His ID and password are correct, the account not disabled, the error is firewall. Please help me how to resolve it.

    Rajasekhar151,420 pointsBadges:
  • How to install Mahout on Hadoop cluster

    We recently created a Hadoop cluster (that has 3 slaves and 1 master using Ambari server/Hortonworks). Now we're trying to install mahout 0.9 in the master machine so we can run mahout jobs in the cluster. Is there a way to do that?

    ITKE355,655 pointsBadges:
  • Outlook 2007: Trying to receive too many emails

    My email account is downloading previously read emails and is doing it numerous times. What should I do?

    aidyone5 pointsBadges:
  • Lost Email from Outlook 2007 Using Windows 7

    I am using Outlook 2007 on Windows 7 platform. I leave Outlook open on my desktop nearly 24-7. Last night there was an automatic Windows update that took place. When I got up and looked at my inbox I found that there was only one single unopened email. None of my previously opened emails were...

    JackGray5 pointsBadges:

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