Questions & Answers

  • How to parse big data JSON file

    I have a JSON file that has roughly 36 GB and I need to access it more efficiently. I've been using rapidjsons SAX-style API in C++ but it takes about two hours to parse. Now here's my question: Should I split the big file into millions of small files? Is there any other approach I should take?...

    ITKE366,420 pointsBadges:
  • Fowarding appointments in Outlook 2010

    If i am sent an appointment in outlook 2010, and i forward the appointment to my google calendar, is there any way to take away the forward to my personal email if i am not the person who initially set up the appointment in outlook?

    jpfeifer12195 pointsBadges:
  • 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)...

    ITKE366,420 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...

    ITKE366,420 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...

    ITKE366,420 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:
  • 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!

    ITKE366,420 pointsBadges:
  • How to install Skype

    Is it easy to install Skype?

    kathy11111115 pointsBadges:
  • What is grid antenna?

    Can someone tell me about what is grid antenna?

    saifulsyafix5 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.

    ITKE366,420 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...

    ITKE366,420 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:
  • Performance optimization in DB2

    I have COBOL code running using DB2 files. I need to reduce run time for code. What all steps should I follow to achieve this? I did "Search all" for "Perform" in COBOL, for example.

    prdevghare25 pointsBadges:
  • What’s the difference between S3 and S3N in Hadoop?

    When we recently connected our Hadoop cluster to our Amazon storage and downloaded a file to HDFS, we noticed that s3:// didn't work but when we tried out S3N, it worked. Why didn't it work with S3? Is there a difference between the two?

    ITKE366,420 pointsBadges:
  • NAS privacy

    How secure is NAS when you use user accounts and passwords for accessing to the folders but the NAS is not encrypted? (e.g. WD My Cloud DL2100) Can you read data from folders without knowing user name and the password? There is a folder called MyFolder and only Henry has access to that folder. Are...

    vlx20155 pointsBadges:

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