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• IEnumerator.Current property and IEnumerator.MoveNext method

  - by nmarun

  Here’s a question: What happens to the Current property of an IEnumerator before and after the MoveNext() call? When I say ‘after the MoveNext() call’, I mean after MoveNext() returns a false indicating an end of the collection. I was going through the MSDN for IEnumerator.Current and the first paragraph basically boils down to: If MoveNext() method has never been called on an IEnumerator, the Current property is undefined. I wanted to know what ‘undefined’ means – is it null? If so, what if the...(read more)

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• How to move only a specific amount of images from a folder

  - by Luis Alvarado

  I have a folder that has 200.000 images. I want to do the following: Move an X amount of images (50 images, 100 images, 200 images) from that folder to Y folder. Each Y folder can be a number (Folder 1, Folder 2, Folder 3...). The end result might look like this: Folder 1 (Has X amount of images) Folder 2 (Has X amount of images) Folder 3 (Has X amount of images) Folder 4 (Has X amount of images)

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• Getting More Website Traffic From Google - How to Know Which Keywords Will Make You a Profit

  When it comes to making a profit with Google AdWords everyone knows that you need to make sure you are using the right keywords to make it happen. But the problem is that unless you have a proven strategy for finding the right keywords you are going to end up losing a lot of money and pick the wrong search terms. In this article I want to show you exactly how to find the right search terms so you can maximize your profits.

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• How can I make a webmail URL available from any hosted domain?

  - by James

  I run Roundcube webmail on my VPS. At the moment, it is only accessible from one virtual server hosted on the server, unless a separate Roundcube installation is created for other virtual servers. I would like to be able to make webmail available from any domain/ virtual server that I host, just by adding /webmail to the end. I'm sure Apache must allow me to do this - only problem is, I don't know how! Any ideas?

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• How to install a Logitech webcam?

  - by Agnese

  I'm having problems with installing a webcam: Archive: /media/LWS_2_0/Setup.exe [/media/LWS_2_0/Setup.exe] End-of-central-directory signature not found. Either this file is not the last disk(s) of this archive. zipinfo: cannot find zipfile directory in one of /media/LWS_2_0/Setup.exe or /media/LWS_2_0/Setup.exe.zip, and cannot find /media/LWS_2_0/Setup.exe.ZIP, period. How do I solve this?

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• Microsoft Innovation Day (Moscow, Russia)

  - by Bigtrend

  New event from Microsoft about new techonologies which are going to be released during the current year. What can we say about these new technologies? Many advertising without exceptional ideas. Unfortunately it is true for the whole industry - the only idea from the far future is clouding computing which is not relevant to the really new approach in development. I understand that we can provide facilitation to the development community as well as new UI features for the end-users but in fact the...(read more)

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• Does searching documentation and samples look bad?

  - by Mick Aranha

  I am starting a new job in a company with many developers and media people, the layout of the place is open with computers around a skinny oval, I have worked in small teams and programming embedded C, the jobis for objective C I'm still in a medium stage, so I know what I don't know (haha), that means I have to google it and then implement it, So the question is how bad does it look if the guy next to you does lot of searching for coding I mean, at the end of the day I will get the job done, but want to look professional too!

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• Do extra words in url affect SEO?

  - by smp7d

  Often for technical reasons we end up with some extra words in a url that we would not want to optimize for as they would have no bearing on the content. Examples would be: sportssite.com/content/sports-article movieportal.com/node/movie-review electronicsforum.com/blog/top-10-cameras webmasters.stackexchange.com/questions/34046/do-extra-words-in-url-affect-seo Do these have any affect on ranking in any of the major search engines? Would it behoove us to strip the extra words?

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• Dual booting windows 8/ubuntu 12.04. Grub doesn't appear and machine never boot in ubuntu

  - by black sensei

  i got a new ACER predator AG3620-UR308 which came with windows 8, so i wanted to run ubuntu 12.04.2 on it as a dual booting. To be honest, i've been doing dual booting for a while now so, i did the right thing. the box came with 2TB HDD. so i made 4 partitions with a raw partition just after the windows installation partition I always do manual installation so even if ubuntu didn't detect windows 8, it was ok for me. So i created swap area and finished the installation etc....Grub was install on the only drive there which is sda. After reboot, grub doesn't even come up.So it always boot in windows 8. I did repeat the installation process twice and yield same result. which is weird because this method always works for me so far.Even the laptop am using to write this post is a dual booting windows 7/ mint nadia installed the same way. Is there anything new in windows 8 that i didn't make provision for? Before starting the installation, all i read about was that , windows 8 should be installed first and ubuntu after. I went ahead and disable secure boot from the BIOS and enabled CSM (don't even know what it means) according to Acer custhelp site . I boot from USB and did fdisk -l bellow is the result: ubuntu@ubuntu:~$ sudo fdisk -l WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sda: 2000.4 GB, 2000398934016 bytes 255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x8c361cb5 Device Boot Start End Blocks Id System /dev/sda1 1 3907029167 1953514583+ ee GPT Partition 1 does not start on physical sector boundary. Disk /dev/sdb: 8178 MB, 8178892800 bytes 255 heads, 63 sectors/track, 994 cylinders, total 15974400 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x0006a87e Device Boot Start End Blocks Id System /dev/sdb1 * 2048 15972351 7985152 b W95 FAT32 ubuntu@ubuntu:~$ Can anybody shed some light? thank you in advance

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• Dual booting windows 8/ubuntu 12.04.2, Grub doesn't appear and machine never boot in ubuntu

  - by black sensei

  i got a new ACER predator AG3620-UR308 which came with windows 8, so i wanted to run ubuntu 12.04.2 on it as a dual booting. To be honest, i've been doing dual booting for a while now so, i did the right thing. the box came with 2TB HDD. so i made 4 partitions with a raw partition just after the windows installation partition I always do manual installation so even if ubuntu didn't detect windows 8, it was ok for me. So i created swap area and finished the installation etc....Grub was install on the only drive there which is sda. After reboot, grub doesn't even come up.So it always boot in windows 8. I did repeat the installation process twice and yield same result. which is weird because this method always works for me so far.Even the laptop am using to write this post is a dual booting windows 7/ mint nadia installed the same way. Is there anything new in windows 8 that i didn't make provision for? Before starting the installation, all i read about was that , windows 8 should be installed first and ubuntu after. I went ahead and disable secure boot from the BIOS and enabled CSM (don't even know what it means) according to Acer custhelp site . I boot from USB and did fdisk -l bellow is the result: ubuntu@ubuntu:~$ sudo fdisk -l WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sda: 2000.4 GB, 2000398934016 bytes 255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 4096 bytes I/O size (minimum/optimal): 4096 bytes / 4096 bytes Disk identifier: 0x8c361cb5 Device Boot Start End Blocks Id System /dev/sda1 1 3907029167 1953514583+ ee GPT Partition 1 does not start on physical sector boundary. Disk /dev/sdb: 8178 MB, 8178892800 bytes 255 heads, 63 sectors/track, 994 cylinders, total 15974400 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x0006a87e Device Boot Start End Blocks Id System /dev/sdb1 * 2048 15972351 7985152 b W95 FAT32 ubuntu@ubuntu:~$ Can anybody shed some light? thank you in advance EDIT Hey, i just did another trial with 13.04 this time and still no luck. bios: secure-boot: disabled enable CSM : always 1-delete previous ubuntu partition and swap area partition.now having free space 2- used usb installer to prepare usb with ubuntu-13.04-desktop-amd64.iso 3- rebooted : liveusb didnt detect windows 8, used something else 4-created partition ext4 for / 5-created partition for swap-area 6- default grub path is /dev/sda and clicked install Acer always boots into windows.

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• Step by step guide to partition an external HDD in two file formats

  - by Mysterio

  I just purchased an external HDD (1TB) which I want to partition with two different file formats - NTFS and FAT32 (this partition is for my PS3 backups). At the moment it's a giant 943mb NTFS partition and at the end of the operation I want it to be like: 643 MB NTFS partition (as my main partition) 300 MB FAT32 partition (to house my PS3 backups) Please can someone help me out? Thanks in advance.

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• Unable to boot windows 8.1 after installing Kubuntu 14.04

  - by user289452

  I just installed Kubuntu 14.04, and I cannot boot into the previously installed Windows 8.1. As I read everywhere, this shouldn't be a problem: Kubuntu should recognize that Windows is there. But every time I start Kubuntu boots without asking anything. Thank you for your answers! UPDATE: I realized that I run a chkdsk on the Windows' partition, and I didn't let it end, so it may be marked as "unclean" as written here: Problem to enter in NTFS partition Still struggling to make it work, though.

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• Correct microdata and/or microformats for real estate listings?

  - by Ernests Karlsons

  Given I am running a real estate rentals listing website, what would be the correct microdata or microformats for the listing pages? There is the usual data: address, photos, price, start date, possible end date, person who is renting it out, list of amenities, description etc. Are there also microformats/microdata that can be used in the listing summary page (e.g., page that displays all listings in a particular city)?

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• Do you work with Visual Studio?

  Red Gate is doing some research into Visual Studio add-ins for SQL development. If you can spare a moment to complete a short survey, or are interested in being part of the early access program (linked from the end of the survey), please click here. Get smart with SQL Backup ProPowerful centralised management, encryption and more.SQL Backup Pro was the smartest kid at school. Discover why.

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• Moving 11.10 complete system to a new bigger Harddisk

  - by pl1nk

  I would like to move my current installation of Ubuntu 11.10 to a bigger harddisk, since the old one is failing. I would like to avoid solutions like dd block copying (since there would be unused space at the end) with something cleaner, but I'm open to suggestions. Partitions info: Size Used Avail Use% Mounted on Partition type Encrypted 19G 9.9G 7.6G 57% / ext4 59G 50G 6.2G 90% /home ext4 Yes What is the best way to accomplish such a task, preferably with advantages/disadvantages.

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• .NET – ArrayList hidden gem

  - by nmgomes

  From time to time I end-up finding really old hidden gems and a few days ago I found another one. IList System.Collections.ArrayList.ReadOnly(IList list) This amazing method is available since the beginning (.NET 1.0). I always complain about the small support for ReadOnly lists and collections and I have no clue why I miss this one. For those of you that have to maintain and extend legacy applications prior to ASP.NET 2.0 SP2 this could be a very useful finding.

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• Using Variables Within Crystal Report Formulas

  This article demonstrates how to create formulas in a Crystal Report and use the Crystal scripting language to create variables, use built in functions, perform conditional logic, and manipulate dates. After a brief introduction, the article provides the steps required to create the database, the website, and the report, including how to add fields and formulas to the report. Near the end, the article examines the steps required to create formulas with variables.

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• Exalytics OBI11g Partner Training 3-day hands-on Workshops

  - by Mike.Hallett(at)Oracle-BI&EPM

  These FREE to OPN Partners hands-on workshops highlight both the hardware and software components that are engineered to work together to deliver Oracle Exalytics - an optimized version of the industry-leading Oracle TimesTen In-Memory Database with analytic extensions, a highly scalable Oracle server designed specifically for in-memory business intelligence, and Oracle's proven Business Intelligence Foundation (OBI 11g v 11.1.1.6 and Essbase) with enhanced visualization capabilities and performance optimizations. Priority will be given to Partner individuals who have passed or scheduled to take the Oracle Business Intelligence Foundation Suite 11g Essentials (1Z1-591) exam, and to Partners who have purchased an Exalytics for their own data centres to demonstrate it to their clients. Topics covered will include: Exalytics Architectural Overview Upgrade and Lifecycle Management Times Ten for Exalytics Summary Advisor Utility Essbase and EPM System on Exalytics Dashboard and Analysis Interactions OBIEE 11.1.1.6 Features and Advanced Topics After taking this course, you will be well prepared to architect, build, demo, and implement an end-to-end Exalytics solution.You will also be able to extend your current analytical and enterprise performance management application implementations with numerous Oracle technologies specifically enhanced to take advantage of the compute capacity and in-memory capabilities of Oracle Exalytics. Prerequisites Experience and understanding of OBIEE 11g is required ·       Previous attendance of Oracle Business Intelligence Foundation Suite Workshop or BIEE 11g Introduction Workshop is highly recommended, and priority will be given to Partner individuals who have passed or scheduled to take the Oracle Business Intelligence Foundation Suite 11g Essentials (1Z1-591) exam. Good understanding of data warehousing and data modelling for reporting and analysis purpose.  Strong experience with database technologies preferred Attendee to provide their own laptops which must meet the following minimum hardware/software requirements: Hardware Minimum 8GB RAM 60 GB free disk space (includes staging) USB 2.0 port (at least one available) It is strongly recommended that you bring a mouse. You will be working in a development environment and using the mouse heavily. Software One of the following operating systems: 64-bit Windows host/laptop OS 64-bit host/laptop OS with a Windows VM (XP, Server, or Win 7, BIC2g, etc.) Internet Explorer 7.x/8.x or Firefox 3.5.x WINRAR or 7ziputility to unzip workshop files: Download-able from http://www.win-rar.com/download.html Download-able from http://www.7zip.com/ Oracle VirtualBox 4.0.2 or higher Downloadable from http://www.virtualbox.org/wiki/Downloads CPU virtualization mode needs to be enabled. We will provide guidance on the day of the workshop.  Attendees will be given a VirtualBox image containing a pre-installed Oracle Exalytics environment. Register Here for 3-day Workshops: 11-Dec-12 Birmingham UK 29-Jan-13 Utrecht NL 12-Feb-13 Frankfurt Germany 12-Mar-13 Moscow Russia

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• Are you ready to grow that Mo (moustache)? Movember is coming

  - by Chris Hammond

  Well here we are, nearing the end of the month of October and coming up on the month of N Movember once again. We here at DNNCorp are in our third year of supporting the Movember cause, growing facial hair on our upper lips to raise awareness and money for men’s health issues. Anyone can participate in Movember, and if you sign up, join a team, you can order some free materials from the Movember organization that you can use to help try and raise funds. The rules for Movember are simple. Start clean...(read more)

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• The Importance of One Way Link Building

  One Way Link building is something that is becoming more and more important. The days of link exchanges are coming to an end. They are a poor use of your time and if this is still your main link building tactic, you are most definitely getting left behind.

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• What is best practice for search engines when a website is under maintenance?

  - by jamescridland

  I need around a week to transition a heavily data-driven website from one back end to another. During that time I do plan to attempt to keep some pages live, but they won't all work well or look brilliant. Some pages won't work at all. What is the best way to ensure I don't scare Google? Should I hide everything from robots.txt, or mark everything that doesn't work as "503", or are there other things that I should be considering?

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• More useful Sql Server Serivce Broker Queries

  - by ChrisD

  SELECT 'Checking Broker Service Status...' IF (select Top 1 is_broker_enabled from sys.databases where name = 'NWMESSAGE')=1     SELECT ' Broker Service IS Enabled'  -- Should return a 1. ELSE     SELECT '** Broker Service IS DISABLED ***' /* If Is_Broker_enabled returns 0, uncomment and run this code ALTER DATABASE NWMESSAGE SET SINGLE_USER WITH ROLLBACK IMMEDIATE GO Alter Database NWMESSAGE Set enable_broker GO ALTER DATABASE NWDataChannel SET MULTI_USER GO */ SELECT 'Checking For Disabled Queues....' -- ensure the queues are enabled --  0 indicates the queue is disabled. Select '** Receive Queue Disabled: '+name from sys.service_queues where is_receive_enabled = 0 --select [name], is_receive_enabled from sys.service_queues; /*If the queue is disabled, to enable it alter queue QUEUENAME with status=on; – replace QUEUENAME with the name of your queue */ -- Get General information about the queues --select * from sys.service_queues -- Get the message counts in each queue SELECT 'Checking Message Count for each Queue...' select q.name, p.rows from sys.objects as o join sys.partitions as p on p.object_id = o.object_id join sys.objects as q on o.parent_object_id = q.object_id join sys.service_queues sq on sq.name = q.name where p.index_id = 1 -- Ensure all the queue activiation sprocs are present SELECT 'Checking for Activation Stored Procedures....' SELECT  '** Missing Procedure:  '+q.name  From sys.service_queues q Where NOT Exists(Select * from sysobjects where xtype='p' and name='activation_'+q.name) and q.activation_procedure is not null DECLARE @sprocs Table (Name Varchar(2000)) Insert into @sprocs Values ('Echo') Insert into @sprocs Values ('HTTP_POST') Insert into @sprocs Values ('InitializeRecipients') Insert into @sprocs Values ('sp_EnableRecipient') Insert into @sprocs Values ('sp_ProcessReceivedMessage') Insert into @sprocs Values ('sp_SendXmlMessage') SELECT 'Checking for required stored procedures...' SELECT  '** Missing Procedure:  '+s.name  From @sprocs s Where NOT Exists(Select * from sysobjects where xtype='p' and name=s.name) GO -- Check the services Select 'Checking Recipient Message Services...' Select '** Missing Message Service:' + r.RecipientName +'MessageService' From Recipient r Where not exists (Select * from sys.services s where  s.name  COLLATE SQL_Latin1_General_CP1_CI_AS= r.RecipientName+'MessageService') DECLARE @svcs Table (Name Varchar(2000)) Insert into @svcs Values ('XmlMessageSendingService') SELECT  '** Missing Service:  '+s.name  From @svcs s Where NOT Exists(Select * from sys.services where name=s.name COLLATE SQL_Latin1_General_CP1_CI_AS) GO /*** To Test a message send Run: sp_SendXmlMessage  'TSQLTEST', 'CommerceEngine','<Root><Text>Test</Text></Root>' */ Select CAST(message_body as XML) as xml, * From XmlMessageSendingQueue /*** clean out all queues declare @handle uniqueidentifier declare conv cursor for   select conversation_handle from sys.conversation_endpoints open conv fetch next from conv into @handle while @@FETCH_STATUS = 0 Begin    END Conversation @handle with cleanup    fetch next from conv into @handle End close conv deallocate conv ***********************

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• Tutorial: Why Use GRUB2? Good Question! (part 3)

  As we come to the end of Akkana Peck's excellent series on mastering GRUB2, it's not clear what advantages it has over legacy GRUB, or even good old LILO. It seems it's gone backwards. In today's installment we learn how to translate some common and mysterious error messages, and how to manage a multi-boot system with GRUB2.

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• SignalR Book

  - by eddraper

  Originally posted on: http://geekswithblogs.net/eddraper/archive/2013/06/30/signalr-book.aspx  Just finished SignalR: Real-time Application Development from Packt Publishing.  It’s a really great read for those wanting a holistic view of SignalR as a true application building block.  In many respects I think that SignalR could end up being a game changer for entirely new classes of both apps and frameworks. I’d love to see the puppy plugged into a rich client side ORM…

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• IPAD: What About it?

  IPAD is the end of the world and the hype is fading from the news stream. It sells well, but it is overshadowed by the iPhone? Is it too expensive? As some may consider such issues, and they think it... [Author: Thomas Traint - Computers and Internet - May 04, 2010]

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