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  • ubuntu 12.10 slow application load upon restart

    - by Adam
    new ubuntu user. after boot (boot is quite fast), opening applications such as firefox, libra, system settings, takes close to 10 seconds to open. after the application is loaded in RAM, the application opens fine. the system feels snappy, quick. when i have two FIREFOX open, unity is snappy in showing me the two windows side by side. but upon bootup, loading the application takes 10 seconds. there is not much hdd activity. fresh install. its the same for system settings and browsing system settings. when system settings is opened for the first time (10 second), and i click for example Color, it will take quite long to open the color settings. hardware: i3 4gb ram radeon 5770 250gb sata gigabyte h55m motherboard i am using ubuntu straight out of the box, no propriety drivers. 64 bit. i have reinstalled OS, and still the same.

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  • Chapter 5: From 2005 to 2010: Business Logic and Data

    After reading this chapter, you will be able to Use the Entity Framework (EF) to build a data access layer using an existing database or with the Model-First approach .Generate entity types from the Entity Data Model (EDM) Designer using the ADO.NET Entity Framework POCO templates. Get data from Web services Learn about data caching using the Microsoft Windows Server AppFabric (formerly known by the codename “Velocity”)

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  • Big Data Sessions at Openworld 2012

    - by Jean-Pierre Dijcks
    If you are coming to San Francisco, and you are interested in all the aspects to big data, this Focus On Big Data is a must have document.  Some (other) highlights: A performance demo of a full rack Big Data Appliance in the engineered systems showcase A set of handson labs on how to go from a NoSQL DB to an effective analytics play on big data Much, much more See you all in a few weeks in SF!

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  • How do I move an Amazon micro instance to a small instance?

    - by Navetz
    I want to move my instance to a micro instance to a small instance but when I try to launch a new AMI based on my Micro instance AMI it only gives me the option for 64 bit instances. My initial ami is based off an ubuntu 10.04 image. Is it not possible to move between 64 bit and 32 bit instance? Would it be possible to use a load balancer to have a 32bit instance and a 64bit instance work together? I have a website/web app that I will be uploading huge volumes of data to. I will be starting with 65gigs of images and then moving up to 100+ gigs of images. I am not sure which instance type would be best for this. I was going to use a load balancer and auto scaling to increase the number of instance when the load is high. Also when using a load balancer, does one of the AMI instance become the primary image and the rest act as clones of it?

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  • Google Analytics: Custom variables issue difference in data

    - by Bart
    We’ve set up tracking through custom variables in Google Analytics to measure which offices are getting the most traffic. The custom var consists out of the key (=office) and value = (office name). In our Custom Var tab in audience we get no data (actually we got 1 hit, but we think the data is way off). When we setup advanced segments with the filters on key and value we get the correct data. Now we are wondering why we aren’t getting that data in the custom var tab.

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  • Storing data on server [closed]

    - by Maciekp
    1.How am I supposed to store data on server, using not only: databases,text files and images? And how someone could implement storing data in fb's graph api http://developers.facebook.com/docs/reference/api/ , so when I go to: https://graph.facebook.com/19292868552 it shows me such data(how it can be stored? I guess it's not Mysql database) PS. Link to article: http://jayant7k.blogspot.com/2009/05/how-facebook-stores-billions-of-photos.html <- How can concurrent users writing requests be solved(while storing data in text file).

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  • Grub Doesn't Load after Update

    - by Parris
    Hi Everyone, After I updated ubuntu (I believe it was most likely a kernel update) and restarted I selected ubuntu from the windows boot loader (I am using wubi). At this point I would usually land on the grub loader; however, I see something about NTFS file not found and a couple other screens flash then the computer restarts. I have tried pressing ESC right after to try and get some options, but I think grub is just not found or something... Not sure what is going on.. Any help would be much appreciated :). Thanks!

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  • saving ubuntu settings to load into a new machine

    - by CodeKingPlusPlus
    I will soon be receiving a new machine (yes, I need the improved performance!) how can I transfer over all of my current Ubuntu settings and files to the new machine. This is very important because I have many packages installed from apt-get, python packages, emacs packages and so forth. I really want to avoid installing all of the same packages over again. I am currently running Ubuntu 12.04 LTS. What is the best solution in transferring my current ubuntu settings and files to a new machine? Let me know if you need more information. All help is greatly appreciated!

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  • Data Compare is Finally Back in VS 2012

    - by Aligned
    Originally posted on: http://geekswithblogs.net/Aligned/archive/2013/07/01/data-compare-is-finally-back-in-vs-2012.aspxI’ve been missing the data compare tool this since moving from VS 2010. I’ve install the VS 2013 v3 update and then the SQL Server Data Tools - June 2013 update. I don’t think v3 is required, but it’s a good upgrade to do anyways. http://blogs.msdn.com/b/ssdt/archive/2013/06/24/announcing-sql-server-data-tools-june-2013.aspx

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  • How to maximize parallel download from S3

    - by StCee
    I got a lot of images to load from Amazon S3 on a single page, and sometimes it takes quite some time to load all the images. I heard that splitting the images to load from different sub-domains would help parallel downloads, however what is the actual implementation on that? While it is easy to split for sub-domains like static,image, etc; Should I make like 10 sub-domains (image1, image2...) to load say 100 images? Or is there some clever ways to do? (By the way I am considering using memcache to cache the S3images; I am not sure if it is possible. I would be grateful for any further comments. Thanks a lot!

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  • ????????SQL Developer?Data Modeler?????????????

    - by Yusuke.Yamamoto
    ????? ??:2010/05/18 ??:?????? Oracle ?GUI?????????···??????????????????SQL Developer ? Data Modeler ???????GUI???????????????????????????SQL Developer ? Data Modeler ?????????????????? ????Oracle SQL Developer Data Modeler ??Oracle SQL Developer Data Modeler ????Oracle SQL Developer ???Oracle SQL Developer ???????? ????????? ????????????????? http://www.oracle.com/technology/global/jp/ondemand/otn-seminar/pdf/100518_sqldeveloper_evening.pdf

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  • ??????????????????????????????????????????????????Oracle Database 11g Enterprise Edition??????Oracle Data Guard?

    - by Yusuke.Yamamoto
    ????? ??:2011/05/25 ??:???? ??3??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? Oracle Database 11g Enterprise Edition ?????????????????????????·???????????Oracle Data Guard????????????????? Oracle Data Guard ??????????????????????????????? ????????????????????????? Oracle Data Guard???????"???"????????????????????????????????????WAN????????????????????????Oracle Data Guard ?????? ????????? ????????????????? http://oracletech.jp/products/pickup/000298.html

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  • flex4: swfloader doesn't properly load games.

    - by ufk
    Hiya. I have several flash games that when i load them in my firefox browser they load fine, but when i load them with swfloader using flex 4 (flash builder) they load until 100% and don't show the start menu. any ideas how to resolve the issue ?

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  • Frame load interrupted error while loading a word document in UIWebView

    - by Mugunth Kumar
    I want to load a word document using UIWebView. I used the code provided in http://developer.apple.com/iphone/library/qa/qa2008/qa1630.html to load the document. But not all the documents load successfully. Sometimes I get an error Error Domain=WebKitErrorDomain Code=102 UserInfo=0x145bc10 "Frame load interrupted" The error seems to be very sporadic and I get this error only for some documents. However the same document loads correctly in mail.app. What am I missing?

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  • UITableView rows load asynchronously

    - by Mohan
    On launch of app, i want to show 10 rows, at the bottom "Load 15 more", on click on "Load 15 more" the next 15 rows should add to the bottom of the table and again show "Load 15 more", until no rows found. note: I am using php to load table data as an xml feed. If anyone has any tutorial/sample code pl send me the link

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  • Filtering data in LINQ with the help of where clause

    - by vik20000in
     LINQ has bought with itself a super power of querying Objects, Database, XML, SharePoint and nearly any other data structure. The power of LINQ lies in the fact that it is managed code that lets you write SQL type code to fetch data.  Whenever working with data we always need a way to filter out the data based on different condition. In this post we will look at some of the different ways in which we can filter data in LINQ with the help of where clause. Simple Filter for an array. Let’s say we have an array of number and we want to filter out data based on some condition. Below is an example int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; var lowNums =                 from num in numbers                 where num < 5                 select num;   Filter based on one of the property in the class. With the help of LINQ we can also filer out data from a list based on value of some property. var soldOutProducts =                 from prod in products                 where prod.UnitsInStock == 0                 select prod; Filter based on Multiple of the property in the class. var expensiveInStockProducts =         from prod in products         where prod.UnitsInStock > 0 && prod.UnitPrice > 3.00M         select prod; Filter based on the index of the Item in the list.In the below example we can see that we are able to filter data based on the index of the item in the list. string[] digits = { "zero", "one", "two", "three", "four", "five", "six"}; var shortDigits = digits.Where((digit, index) => digit.Length < index); There are many other way in which we can filter out data in LINQ. In the above post I have tried and shown few ways using the LINQ. Vikram

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  • RPi and Java Embedded GPIO: Big Data and Java Technology

    - by hinkmond
    Java Embedded and Big Data go hand-in-hand, especially as demonstrated by prototyping on a Raspberry Pi to show how well the Java Embedded platform can perform on a small embedded device which then becomes the proof-of-concept for industrial controllers, medical equipment, networking gear or any type of sensor-connected device generating large amounts of data. The key is a fast and reliable way to access that data using Java technology. In the previous blog posts you've seen the integration of a static electricity sensor and the Raspberry Pi through the GPIO port, then accessing that data through Java Embedded code. It's important to point out how this works and why it works well with Java code. First, the version of Linux (Debian Wheezy/Raspian) that is found on the RPi has a very convenient way to access the GPIO ports through the use of Linux OS managed file handles. This is key in avoiding terrible and complex coding using register manipulation in C code, or having to program in a less elegant and clumsy procedural scripting language such as python. Instead, using Java Embedded, allows a fast way to access those GPIO ports through those same Linux file handles. Java already has a very easy to program way to access file handles with a high degree of performance that matches direct access of those file handles with the Linux OS. Using the Java API java.io.FileWriter lets us open the same file handles that the Linux OS has for accessing the GPIO ports. Then, by first resetting the ports using the unexport and export file handles, we can initialize them for easy use in a Java app. // Open file handles to GPIO port unexport and export controls FileWriter unexportFile = new FileWriter("/sys/class/gpio/unexport"); FileWriter exportFile = new FileWriter("/sys/class/gpio/export"); ... // Reset the port unexportFile.write(gpioChannel); unexportFile.flush(); // Set the port for use exportFile.write(gpioChannel); exportFile.flush(); Then, another set of file handles can be used by the Java app to control the direction of the GPIO port by writing either "in" or "out" to the direction file handle. // Open file handle to input/output direction control of port FileWriter directionFile = new FileWriter("/sys/class/gpio/gpio" + gpioChannel + "/direction"); // Set port for input directionFile.write("in"); // Or, use "out" for output directionFile.flush(); And, finally, a RandomAccessFile handle can be used with a high degree of performance on par with native C code (only milliseconds to read in data and write out data) with low overhead (unlike python) to manipulate the data going in and out on the GPIO port, while the object-oriented nature of Java programming allows for an easy way to construct complex analytic software around that data access functionality to the external world. RandomAccessFile[] raf = new RandomAccessFile[GpioChannels.length]; ... // Reset file seek pointer to read latest value of GPIO port raf[channum].seek(0); raf[channum].read(inBytes); inLine = new String(inBytes); It's Big Data from sensors and industrial/medical/networking equipment meeting complex analytical software on a small constraint device (like a Linux/ARM RPi) where Java Embedded allows you to shine as an Embedded Device Software Designer. Hinkmond

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  • SSIS Debugging Tip: Using Data Viewers

    - by Jim Giercyk
    When you have an SSIS package error, it is often very helpful to see the data records that are causing the problem.  After all, if your input has 50,000 records and 1 of them has corrupt data, it can be a chore.  Your execution results will tell you which column contains the bad data, but not which record…..enter the Data Viewer. In this scenario I have created a truncation error.  The input length of [lastname] is 50, but the output table has a length of 15.  When it runs, at least one of the records causes the package to fail.     Now what?  We can tell from our execution results that there is a problem with [lastname], but we have no idea WHICH record?     Let’s identify the row that is actually causing the problem.  First, we grab the oft’ forgotten Row Count shape from our toolbar and connect it to the error output from our input query.  Remember that in order to intercept errors with the error output, you must redirect them.     The Row Count shape requires 1 integer variable.  For our purposes, we will not reference the variable, but it is still required in order for the package to run.  Typically we would use the variable to hold the number of rows in the table and refer back to it later in our process.  We are simply using the Row Count as a “Dead End” for errors.  I called my variable RowCounter.  To create a variable, with no shapes selected, right-click on the background and choose Variable.     Once we have setup the Row Count shape, we can right-click on the red line (error output) from the query, and select Data Viewers.  In the popup, we click the add button and we will see this:     There are other fancier options we can play with, but for now we just want to view the output in a grid.  WE select Grid, then click OK on all of the popup windows to shut them down.  We should now see a grid with a pair of glasses on the error output line.     So, we are ready to catch the error output in a grid and see that is causing the problem!  This time when we run the package, it does not fail because we directed the error to the Row Count.  We also get a popup window showing the error record in a grid.  If there were multiple errors we would see them all.     Indeed, the [lastname] column is longer than 15 characters.  Notice the last column in the grid, [Error Code – Description].  We knew this was a truncation error before we added the grid, but if you have worked with SSIS for any length of time, you know that some errors are much more obscure.  The description column can be very useful under those circumstances! Data viewers can be used any time we want to see the data that is actually in the pipeline;  they stop the package temporarily until we shut them.  Also remember that the Row Count shape can be used as a “Dead End”.  It is useful during development when we want to see the output from a dataflow, but don’t want to update a table or file with the data.  Data viewers are an invaluable tool for both development and debugging.  Just remember to REMOVE THEM before putting your package into production

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  • Why is my CPU being used while doing nothing?

    - by Jop
    I have installed Ubuntu GNOME in BIOS mode on my MacBook (BIOS mode so that the proprietary NVIDIA drivers work. I need them for gaming.). For some reason, a lot of CPU is being used while not really doing anything. It swings between 20-30% on both cores, usually. But when I look at the list of processes and sort by CPU usage, I do not see anything special. No processes intensively doing anything. How can I fix this? EDIT: Output of top command. jop@jop-MacBook:~$ top top - 17:08:02 up 41 min, 2 users, load average: 0,51, 0,69, 0,95 Tasks: 202 total, 2 running, 200 sleeping, 0 stopped, 0 zombie %Cpu(s): 11,9 us, 5,8 sy, 0,0 ni, 80,3 id, 0,5 wa, 0,0 hi, 1,5 si, 0,0 st KiB Mem: 7908316 total, 2919940 used, 4988376 free, 153248 buffers KiB Swap: 3906244 total, 0 used, 3906244 free, 1326544 cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 3785 root 20 0 195m 82m 26m S 22,9 1,1 2:43.77 Xorg 4429 jop 20 0 1543m 150m 60m S 7,3 1,9 1:26.26 compiz 4198 jop 20 0 633m 21m 11m S 1,7 0,3 0:04.96 unity-panel-ser 7425 jop 20 0 564m 18m 12m S 1,7 0,2 0:00.84 gnome-terminal 7019 jop 20 0 806m 89m 46m S 1,0 1,2 0:10.01 chrome 7323 jop 20 0 966m 93m 23m S 1,0 1,2 0:06.85 chrome 6742 root 20 0 0 0 0 S 0,7 0,0 0:00.43 kworker/0:3 3 root 20 0 0 0 0 S 0,3 0,0 0:06.01 ksoftirqd/0 7008 root 20 0 0 0 0 S 0,3 0,0 0:00.27 kworker/1:3 7302 jop 20 0 972m 96m 28m S 0,3 1,2 0:06.32 chrome 7310 jop 20 0 382m 63m 39m S 0,3 0,8 0:00.34 chrome 7498 jop 20 0 24840 1600 1120 R 0,3 0,0 0:00.22 top 1 root 20 0 27176 2944 1412 S 0,0 0,0 0:01.58 init 2 root 20 0 0 0 0 S 0,0 0,0 0:00.00 kthreadd 5 root 0 -20 0 0 0 S 0,0 0,0 0:00.00 kworker/0:0H 6 root 20 0 0 0 0 S 0,0 0,0 0:00.00 kworker/u4:0 7 root rt 0 0 0 0 S 0,0 0,0 0:02.04 migration/0 Even when xorg isn't so busy like when I copied, CPU usage is higher then what the processes use.

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  • How to Load commands into your powershell profile to run on starting powershell

    - by JohnyV
    Hi, I have found a way to load exchange 2010 powershell into powershell running on a windows xp workstation, however there are a few commands that need to run. I was wondering how I could load them into a profile somehow. These are the commands that I need to run before I can do any of the exchange things such as Get-Mailbox. COMMAND 1 $session = New-PSSession -Configurationname Microsoft.Exchange –ConnectionUri http://servername/powershell -Credential $user (it prompts you for a username and p/word then the next command) COMMAND 2 Import-PSSession $session Then I am able to run exchange 2010 commands such as Get-Mailbox. Anyway I can load these so that when I click on the powershell shortcut they preload the importing of exchange commands. Thanks

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  • Load Average runaway

    - by mewrei
    Is there any way to chase down lockups and runaway load averages? Every so often (pretty randomly) I'll get my load average spike up over 5 usually to around 10-15 and sometimes as high as 75 (dual core machine), and cause my system to lock for an indeterminate amount of time. The only thing I can possibly chase it to is using nVidia fakeraid (RAID-1) with JFS on top of that for my /home partition. Also I noticed that when my load averages spike, the power management system doesn't step up my processor speed from 1.6 to its maximum 2.13Ghz clock speed (not sure if this makes a huge difference with this problem). Any ideas?

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  • Determine nginx reverse-proxy load limits

    - by Aaron
    Hi all: I have an nginx server (CentOS 5.3, linux) that I'm using as a reverse-proxy load-balancer in front of 8 ruby on rails application servers. As our load on these servers increases, I'm beginning to wonder at what point will the nginx server become a bottleneck? The CPUs are hardly used, but that's to be expected. The memory seems to be fine. No IO to speak of. So is my only limitation bandwidth on the NICs? Currently, according to some cacti graphs, the server is hitting around 700Kbps ( 5 min average ) on each NIC during high load. I would think this is still pretty low. Or, will the limit be in sockets or some other resource in the operating system? Thanks for any thoughts and insights. Aaron

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