Questions & Answers

  • Speed up data processing in MongoDB

    I've been using MongoDB to get every document in a collection. It's working but with so many small documents (there are over a 100 million), it's very slow. Here's what I'm using: count <- mongo.count(mongo, ns, query) cursor <- mongo.find(mongo, query) name <- vector("character", count)...

    ITKE356,210 pointsBadges:
  • Configuring virtual memory from Java in Linux

    I've been trying to run a Java application through Linux but I'm running into a few issues. When I launch the application (using the maximum heap size), the tops application of 240 MB of virtual memory is allocated to the application. It's creating several issues with different software on the...

    ITKE356,210 pointsBadges:
  • SAP ECC: Configure all states at one time

    Looking to config all states at one time as to not be surprised if an aquisition from new state or new business requirement from a new state is required.

    SusanCox5 pointsBadges:
  • Out of memory error when installing Hadoop

    I recently tried to install Hadoop following a document my friend gave me. When I tried to execute this: bin/hadoop jar hadoop-examples-*.jar grep input output 'dfs[a-z.]+' I got this exception: java.lang.OutOfMemoryError: Java heap space Has anyone seen this before? Like I said, I'm pretty new to...

    ITKE356,210 pointsBadges:
  • JAVA_HOME is not set correctly when installing Hadoop on Ubuntu

    I've been trying to install Hadoop on Ubuntu 11.10. I just set the JAVA_HOME variable in the file conf/hadoop-env.sh to: # export JAVA_HOME=/usr/lib/jvm/java-1.6.0-openjdk Then I tried to execute these commands: $ mkdir input $ cp conf/*.xml input $ bin/hadoop jar hadoop-examples-*.jar grep input...

    ITKE356,210 pointsBadges:
  • Available material to help teach Data Management

    I work at Houston Community College and am scheduled to teach a Data Management course, this Summer. Is there any available material that I can use as resource I would be very appreciative.

    enriquej5 pointsBadges:
  • iPhone 6+ Easier to use than iPhone 5?

    Do most users of iPhone 6+ feel it to be less complicated, less bug free than the iPhone 5? How does the fingerprint code work out on the iphone6+? Elaine

    elden19435 pointsBadges:
  • Does the original sender get a copy of a forwarded email?

    Does the original sender get a copy of the forwarded message? Does a copy of a forwarded message go to the original party as well?

    crawlersmovie5 pointsBadges:
  • RAM compatibility issue with Dell Inspiron

    I am going to upgrade my laptop's RAM. Right now, I'm using 1033Mhz DDR3 and I want to know that 1600MHz DDR3 will be compatible with my laptop or not? Laptop: Dell Inspiron 15r N5010 with i5 processor 2nd generation with 1gb nvidia DDR3. And I use it to play games also so please do suggest me...

    akash7735 pointsBadges:
  • Microsoft Outlook error for Gmail

    I tried to access my Gmail in Microsoft Outlook but it showing error. I'm using a proxy internet connection. Any idea how to solve it?

    ambitionk5 pointsBadges:
  • Can I transfer emails from an Office 365 account to an Outlook email?

    I have an Office 365 account for school. I'm graduating soon, and I have a folder of emails I'd like to transfer over to a new Outlook account. Is this possible? How can I do this, if it is? I'm not very good with technology.

    Elyse275 pointsBadges:
  • Case-insensitive query in MongoDB

    Does anyone know if it's possible to make a case-insensitive query in MongoDB? Something like this: > db.stuff.save({"foo":"bar"}); > db.stuff.find({"foo":"bar"}).count(); 1 > db.stuff.find({"foo":"BAR"}).count(); 0 Thanks!

    ITKE356,210 pointsBadges:
  • How to install Skype

    Is it easy to install Skype?

    kathy11111115 pointsBadges:
  • Will my email be sent to my Gmail account?

    If an email is sent to a large number of addressees, will a Gmail account receive it? Will the mail go to the spam folder?

    ArnaudMerven5 pointsBadges:
  • What is grid antenna?

    Can someone tell me about what is grid antenna?

    saifulsyafix5 pointsBadges:
  • Restore Microsoft Word file in Windows 8.1

    Desktop crashed and had to get new notebook. Now have Windows 8.1. Old file in MS works restored to new notebook, but when opened it is just garbage. Need to get file converted to Word in 8.1.

    MorganT10 pointsBadges:
  • Hadoop: What’s the difference between Pig and Hive?

    I'm pretty new to the Hadoop world (been using it for about a month) and I've started to get into Hive, Pig and Hadoop using Cloudera's Hadoop VM. Is there a difference between Pig and Hive? I understand they have similar commands so I'm trying to figure out the big differences.

    ITKE356,210 pointsBadges:
  • HP printer won’t work with new ink

    Printer won't work with new ink and HP Support "has stopped working" according to my computer.

    Maha675 pointsBadges:
  • HDFS error when testing a simple file from a Amazon EC2 machine

    I recently created an Ubuntu single node Hadoop cluster in Amazon EC2. I've tried to test a simple file upload to HDFS. It works from the EC2 machine but doesn't work outside of it. Here's the error I got: java.io.IOException: File /user/ubuntu/pies could only be replicated to 0 nodes, instead of 1...

    ITKE356,210 pointsBadges:
  • What does the SQL Server (Instance) service do?

    I have a SQL Server (Instance) service that wont run and I was wondering what the purpose of it was.

    Davis10375 pointsBadges:

Forgot Password

No problem! Submit your e-mail address below. We'll send you an e-mail containing your password.

Your password has been sent to:

To follow this tag...

There was an error processing your information. Please try again later.

REGISTER or login:

Forgot Password?
By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy

Thanks! We'll email you when relevant content is added and updated.

Following