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  • Does your analytic solution tell you what questions to ask?

    - by Manan Goel
    Analytic solutions exist to answer business questions. Conventional wisdom holds that if you can answer business questions quickly and accurately, you can take better business decisions and therefore achieve better business results and outperform the competition. Most business questions are well understood (read structured) so they are relatively easy to ask and answer. Questions like what were the revenues, cost of goods sold, margins, which regions and products outperformed/underperformed are relatively well understood and as a result most analytics solutions are well equipped to answer such questions. Things get really interesting when you are looking for answers but you don’t know what questions to ask in the first place? That’s like an explorer looking to make new discoveries by exploration. An example of this scenario is the Center of Disease Control (CDC) in United States trying to find the vaccine for the latest strand of the swine flu virus. The researchers at CDC may try hundreds of options before finally discovering the vaccine. The exploration process is inherently messy and complex. The process is fraught with false starts, one question or a hunch leading to another and the final result may look entirely different from what was envisioned in the beginning. Speed and flexibility is the key; speed so the hundreds of possible options can be explored quickly and flexibility because almost everything about the problem, solutions and the process is unknown.  Come to think of it, most organizations operate in an increasingly unknown or uncertain environment. Business Leaders have to take decisions based on a largely unknown view of the future. And since the value proposition of analytic solutions is to help the business leaders take better business decisions, for best results, consider adding information exploration and discovery capabilities to your analytic solution. Such exploratory analysis capabilities will help the business leaders perform even better by empowering them to refine their hunches, ask better questions and take better decisions. That’s your analytic system not only answering the questions but also suggesting what questions to ask in the first place. Today, most leading analytic software vendors offer exploratory analysis products as part of their analytic solutions offerings. So, what characteristics should be top of mind while evaluating the various solutions? The answer is quite simply the same characteristics that are essential for exploration and analysis – speed & flexibility. Speed is required because the system inherently has to be agile to handle hundreds of different scenarios with large volumes of data across large user populations. Exploration happens at the speed of thought so make sure that you system is capable of operating at speed of thought. Flexibility is required because the exploration process from start to finish is full of unknowns; unknown questions, answers and hunches. So, make sure that the system is capable of managing and exploring all relevant data – structured or unstructured like databases, enterprise applications, tweets, social media updates, documents, texts, emails etc. and provides flexible Google like user interface to quickly explore all relevant data. Getting Started You can help business leaders become “Decision Masters” by augmenting your analytic solution with information discovery capabilities. For best results make sure that the solution you choose is enterprise class and allows advanced, yet intuitive, exploration and analysis of complex and varied data including structured, semi-structured and unstructured data.  You can learn more about Oracle’s exploratory analysis solutions by clicking here.

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  • IBM Server Config questions

    - by Joel Coel
    I have a few questions on a potential server setup. First, the situation: Last year we bought an IBM x3500 server with 2 Xeon E5410's, 9GB RAM, 6 HDDs. The original intent for this server was to replace the old exchange e-mail server. It was brought in, set up, and then shortly after we switched to gmail. Shortly after that my predecessor left for greener pastures, and finally I was hired. So this nice server is now sitting (mostly) idle. This year I have budget again for one server, and of course I want to put this other server to work. I'm thinking about the best use for the two server, and I think I finally have a plan for what I want to do with them. The idea is to use the two newer servers as a pair of VM hosts. I will set up each server with the same 8 VMs, but divide up the load so that only 4 are active per physical host. That means I've normally got 2GB RAM + 2 cores per host. I've done some load testing to pick out what servers to convert to virtual, and chose them so that each host will be capable of handling the entire set of 8 by itself in a pinch with 1 core and 1GB RAM, but would be very taxed to do so. This should take our data center from 13 total servers down to 7. The "servers" I'm replacing are mostly re-purposed desktops, so I'm more than happy to be able to do this. Now it's time to go shopping for the new server. I'd like my two hosts to match as closely as possible, and so I'm looking at IBM again. It also helps that we have some educational matching grant money from IBM that I need to use to help pay for this system (we're a small private college). So finally, (if you're not bored already), we come to my questions: Am I missing anything big or obvious in this plan? I'm a little worried about network performance since the VM hosts will only have 4 nics total where 8 used to be, but I don't think it will be a problem. Is there anything else like this I might be overlooking? Am I making it even too complicated? IBM no longer has a good analog to last year's server. If I want to match the performance (8 cores, 9GB RAM, 1333mhz front side bus, 6 spindles), I have to spend quite a bit more than we paid last year: $2K+, or nearly a 33% cost increase. This only brings a marginal increase in performance. The alternative to stay in budget is to take a hit on the fsb down to 800mhz or cut the number of cores in half, neither of which is attractive. The main cost culprit is the processor. IBM no longer offers the E5410. It's listed as a part, but not available in any of the server configs I've looked at. I'm considering getting the cheapest 800mhz fsb dual core xeon I can configure and then buying the E5410's separately. That's still an extra $350 I wasn't counting on, but that's better than $2K. I want to know what others think of this - will it work or will I end up with the wrong motherboard or some other issue? Am I missing a simple way to configure the server I really want? I don't really intend to do this, but one option to save some money back is to omit the redundant power supply. Since my redundancy plan for these system is to switch over to a completely different host, the extra power isn't fully necessary. That said, it's still very helpful to avoid even short downtimes while I switch over VMs. Has anyone done this?

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  • BackupExec 12 to Bacula questions

    - by LVDave
    We have a 128 node compute cluster for environmental modeling, with a master/head node which we currently backup with a Windows2003 system running BackupExec 12 and a single HP LTO3 tape drive. We have recently ordered an Overland NEO200s 12 slot library, and are considering migrating off Windows to CentOS 5 for the backup server. The master/head node is RHEL5, with the compute nodes currently being migrated from a mix of RHEL3/4/5 to CentOS5. I'm fairly familiar with RH/Centos, but have no experience with Bacula. We've tentatively settled on Bacula as our cluster vendor recommended it. My questions are: 1) Does Bacula support an Overland NEO200s/LTO3 library? 2) Can Bacula catalog/restore tapes written by BE? and 3) I've head of Amanda, but am even more unfamiliar with it than Bacula. Any assistance would be appreciated Dave Frandin

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  • few questions on making a flash drive to a hard drive

    - by user23950
    I've found a tutorial here on how to trick the operating system to see a flash drive as a hard drive. http://www.getusb.info/usb-hack-turn-a-usb-stick-into-a-hard-drive-or-local-disk/ But I have a few questions: This trick will only work on the os wherein you updated the flash drive driver. Is there a trick that will work like this one, but if you plug in the flash drive to another computer it will still be treated as hard drive? How do I convert it back to a flash drive?

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  • Rails deployment questions

    - by Meltemi
    Getting ready to deploy a rails project on Mac OS X Server (10.5 - Leopard). Got a few questions for someone with Rails experience: where should directory containing the project go? inside the website's root folder or out? who should "own" that directory? www? root? something/someone else? hope to continue serving static pages via Apache... would like rails app to be served by mydomain/xxx/railsapp. is there a standard name people us for 'xxx'? not expecting too much traffic to begin with...just like to keep things as simple as possible.

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  • Some general questions about Adobe fonts.

    - by aviraldg
    Questions: The Adobe fonts look distinctly clearer and much better than Arial. Any particular reason? Why does Adobe Caslon Pro show up among "C"s? (I know, Caslon starts with "C", but the font's name starts with "A", right?) Are more fonts like these available somewhere? (By "these", I mean non decorative, regular, and smooth) Why are there two versions of certain fonts like Adobe Heiti, which has: @Adobe Heiti and Adobe Heiti (which are not exactly the same, btw.) Thanks.

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  • Virtual Desktop Provisioning - Vmware View 5.2 Maintenance Questions

    - by Lee J. DeAngelis
    Currently running an environment of about 400 VMware View 5.2 virtual Desktops. The environment runs pretty efficiently but we sometimes run into problems with certain pools from time to time. Just recently we had a pool that was causing high write latency when users logged in. It just happened all of a sudden and had been working fine for weeks. On a hunch we completely broke down the pool and re-provisioned it from a new image. This corrected the problem. In fact every real issue we've had so far was fixed by a recompose or complete break down and re-provisioning of one pool or another.Our environment consists of Cisco UCS and Netapp 3240s using flashcache running VMware View 5.2. My questions are: What are some maintenance best practices other VDI admins are using? How often are you recomposing? rebalancing? re-provisioning? How long should you keep base image snapshots around?

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  • Questions about linux root file system.

    - by smwikipedia
    I read the manual page of the "mount" command, at it reads as below: All files accessible in a Unix system are arranged in one big tree, the file hierarchy, rooted at /. These files can be spread out over several devices. The mount command serves to attach the file system found on some device to the big file tree. My questions are: Where is this "big tree" located? Suppose I have 2 disks, if I mount them onto some point in the "big tree", does linux place some "special marks" in the mount point to indicate that these 2 "mount directories" are indeed seperate disks?

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  • some questions about raid card

    - by cpps
    I have some questions about raid card. Use LSI MegaRAID® SAS 9260-8i raid card as a example. There is only two connection ports on the raid card, and they provide two cables that can connect 8 SAS/SATA storages. The document say it can connect "Maximum 32 drives per controller", I want to know how can I connect more than 8 hard disks with this card. Is that they say "Eight internal SATA+SAS ports" means they provide two cables which can connect 8 hard drives, but you can use other way to connect Maximum 32 drives? The other question. I see host bus adapter has raid integrated , so what is the difference between host bus adapter and raid card. Are they the same? I also know is SAS/SATA Expander's function only to connect more hard drives? Thanks in advance.

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  • StorageWorks MSA60 and other storage related questions

    - by Mejmo
    Hi, I do not have deeper knowledge of the storage area, sorry for asking evidently stupid questions :) We are thinking about getting HP StorageWorks MSA60 for storing our VM. Do we need another DL server with controller so that we could use iSCSI ? Do we need to get some P800 controller for doing that? I cannot imagine how it is connected together actually ... MSA60-DLserver with p800 controller and servers that are running VM connected with iSCSI to this DL server ? Or MSA60 directly supports iSCSI so the DL server is not necessary ? What is inside this MSA60? Is it possible to install there OS ? Thank you.

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  • Unix Interview Question [closed]

    - by Rachel
    I am giving some interviews right now and recently I was asked this questions in Interview and I was not sure of the answer, in your opinion are this kind of questions worthwhile for Interview process and if yes than how would you go about approaching this kind of questions. How to get number of files in directory without using wc ? How to get all files in descending order on size ? What is the significance of ? in file searching ? Would appreciate if you can provide answers for this questions so that I could learn something about them as I am not sure for this questions.

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  • Home Networking Questions

    - by Eddie Parker
    Hello: I'm looking to wire my home with CAT-X (where X is probably going to be CAT-6, unless someone can convince me differently. ;) ). I'm seeking advice on what equipment I'll need for the job, and any things I should watch out for. It's a two story half-duplex I'll be wiring, roughly about 1800 sq ft. Here's what I believe I need so far: Bulk CAT-6 Ethernet cabling CM Rated Gigabit switch(es?) Patch panel Equipment for cutting, terminating wire, fishing through walls, etc Wall outlet covers, etc. Questions I have: Does it matter the MHz rating on the Ethernet cable? If so, why? I have two gigabit switches currently, an 8-port and a 5-port. Should I buy one massive switch to cover all the connections I need, or should I just chain the two together and buy a switch for however many other connections I need? Do I really need a patch panel? I understand it keeps the cables looking cleaner than coming out of a hole in the wall, but is there some other product I can use, perhaps combining a switch with a patch panel or some such? Ideally I'll have all this running out of a relatively small closet, so the less components (or smaller) the better. Any advice, links, or suggested product to use/avoid would be appreciated!

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  • ssh key questions

    - by Tim
    I have some questions regarding generating keys for ssh access: (1) Supposed there are two computers running ssh server service and I have generated a pair of key files on computer A and copy the public file to computer B. Is it true that this is only a one-way key: We only gave computer A permission to access computer B, not gave computer B permission to access computer A? If I now want to ssh from computer B to computer A, must I generat another pair of key files on computer B and copy the public file to computer A? (2) If I would like to connect a single local computer to several remote servers, is it to generate a common pair of key files only once on the local and copy the same public file to the remote servers, or to generate different pair of key files on the local for different remote servers? (3) If I would like to connect several local computers to a single remote server, when copying the public files from different local computers to the remote server, is it to combine them together into a single authorized_keys file or store them in different authorized_keys files? (4) If there are several servers shared the same file system by, for example, NFS, how to generate keys and arrange the key files for accessing from one server to the other? Also how to still generate keys and arrange the key files for a local computer to access anyone of the servers? All the machines above are Linux.Please provide examples and commands in your reply so that I can better understand how to solve the problems. Thanks and regards!

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  • Several Small, Specific, MySQL Query Cache Questions

    - by Robbie
    I've look all over the web and in the questions asked here about MySQL caching and most of them seem very non-specific about a couple of questions that I have about performance and MySQL query caching. Specifically I want answers to these questions, assume for all questions that I have the query cache enabled and it is of type 2, or "DEMAND": Is the query cache per table, per database, or per server? Meaning if I have the cache size set to X and have T tables and D databases will I be caching TX, DX, or X amount of data? If I have table T1 which I regularly use the SQL_CACHE hint on for SELECT queries and table T2 which I never do, when I query T2 with a SELECT query will it check through the cache first before performing the query? *Note: I don't want to use the SQL_NO_CACHE for all T2 queries.* Assume the same situation as in question 2. If I alter (INSERT, DELETE) table T2 will any processing be done on the cache? For answers to 2 and 3, is this processing time negligible if T2 is constantly being altered and is the target of a majority of my SELECT queries?

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  • Ubuntu questions - important

    - by asdasd
    They had installed some modified edubuntu's at school... So i have some questions about setting some things up: How we can play HD videos ? They are made for windows machines and are in .wmv format but we need to play them on our multimedia class but don't know how - which player, which codecs etc. How to edit properly the /etc/apt/sources file ? Anything we try to install via apt-get it just says that E:\ is not available. Please tell me which repositories to put in there so we could be able to install some tools. Where are usually viruses/trojans put in ubuntu ? I mean in which directories ? Because our computers are behaving really slow and we need to check for some malware manually - we are not even allowed to install any kind of AV software. So tell me the usual directories and places for hiding such files, how are they hiddem, how to recognize them etc. Any others nice tricks/tips that we need to know. Thank you very much in advance.

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  • Looking to replace Ghost with FSArchiver or Clonezilla, few questions about capabilities

    - by Daniel Wright
    I work for a PC Repair company and we are looking into setting up a dedicated machine with externally accessible SATA bays to clone harddrives as a safety net incase something goes wrong during a repair. We currently use a SATA/PATA to USB bridge called MagicBridge and Norton Ghost on any workstation, but we're looking to move away from Ghost. We have a computer with a large RAID5 array with Windows Server 2008 Standard currently installed, but this can be replaced with a flavour of *nix. I have some experience with Clonezilla, but FSArchiver also seems like a suitable replacment too. My Head Technician wants to know if my chosen solution (probably Clonezilla or FSArchiver, but I'm open to free suggestions) is capable of: Cloning a degraded RAID, such as a single drive from a RAID1 mirror without complaining Producing images that are easily mountable (he'd prefer them to be mountable in Windows, but if there is no other easy way, *nix should be fine) akin to Ghost Explorer so individual files can be restored as well as being able to do bare metal restores. My apologies for wordiness but I wanted to be thorough in my explaination. Thanks for any suggestions or tips :) EDIT: I've just found out that Clonezilla has a workaround for cloning RADI1 drives EDIT2: Found the answer to both of my questions, aparently I wasn't phrasing my searches right, could this question be deleted please?

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  • Microsoft Licensing Scenario/Questions [closed]

    - by user17455
    Possible Duplicate: Can you help me with my software licensing question? I am a member of a team developing a third party application (APP) that listens for and services connections from remote devices via TCP. Also, some of these remote devices allow 1 or more users to interact with the remote device. On some of the remote devices, it is impossible for a user to interact with the device. The user/remote device makes no use of any Windows Server service - not DHCP, not IIS, not File Server, not Print Serer, not AD. The remote device's only connection to the Windows Server machine is through the APP's TCP ports. Our company has no interaction with Microsoft. We do not have a Microsoft sales team. Past inquiries have determined that it is cheaper for us to buy Microsoft software (and CALs) retail than to enter into any kind of "arrangement" with Microsoft. I have many questions about SQL Server CALs and Windows Server 2008 CALs. How can I obtain authoritative/legally binding answers? I am not looking for FREE legal advice. I AM looking for FREE advice about who/what/where I can responsibly spend my money to get meaningful information. I fear that passing this on to the local company law firm will just mean that I will be paying them to educate themselves on Microsoft licensing. And if that's like writing code to a new Microsoft API - they are not going to get it right the first time. Going to Microsoft for answers sounds like swimming up to a hungry shark and asking "One leg or two?" I am hoping someone has been down this road before and knows a law firm/lawyer that is experienced in these matters. Any help/suggestion welcome. Thanks.

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  • Questions for anyone who has used Sun Type 7 keyboards

    - by Irinotecan
    So I noticed that Oracle is still selling Sun Type 7 keyboard and mouse packages. I was thinking of buying one for a Linux box at my house so I had easy access to some of the extra keys such as Compose and Alt-GR. I have some questions though before I do for anyone who has used these -- it's been a very long time since I've used an actual Sun keyboard. They show that both a PC and UNIX layout is available. Unfortunately, I cannot find anywhere a clear picture of both layouts to determine the difference. Can anyone post pictures of the 2 different layouts for me to take a look at? I don't remember what some of the "Solaris shortcut" keys do, like Props, Front, Stop, and Again. Are these vestiges from OpenWindows? Do they have any usage on a modern Solaris like OpenSolaris running Gnome? Do they automatically map to anything useful on Linux, or am I going to have to map them myself to something with XModMap? When I last used a Sun keyboard, I remember it having a rather mushy feel to it, so I am wondering if any touch typists could weigh in on whether this keyboard "feels nice" for day to day touch typing. Thanks!

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  • Displaying count for current_user 'likes' on a 'question' in questions/show.html.erb view

    - by bgadoci
    I have an application that allows for users to create questions, create answers to questions, and 'like' answers of others. When a current_user lands on the /views/questions/show.html.erb page I am trying to display the total 'likes' for all answers on that question, for the current_user. In my Likes table I am collecting the question_id, site_id and the user_id and I have the appropriate associations set up between user, question, answers and likes. I think I just need to call this information the right way, which I can't seem to figure out. All of the below is taking place in the /views/questions/show.html.erb page. I have tried the following: <% div_for current_user do %> You have liked this question <%= @question.likes.count %> times <% end %> Which returns all the 'likes' for the question but not filtered by current_user You have liked this question <%= current_user.question.likes.count %> times Which gives an error of 'undefined method `question' You have liked this question <%= @question.current_user.likes.count %> times Which gives an error of 'undefined method `current_user' I have tried a couple of other things but they don't make as much sense as the above to me. What am I missing?

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  • New Computer Build Questions

    - by MJ
    I'm in the process of gathering parts and specs for a new machine. I wear many hats, so the machine needs to do a lot. I need at least 2 monitor support, if not three. I also play many online MMOs (wow, aion, war hammer, etc), along with some freelance programming projects. I already have a case which is very large, so it will fit anything. I have 2 other SATA HDs. They are more for storage and basic programs. I feel that the best improvement could be done with a solid state HD, true or not? I'm more of a software/programming guy, so ANY input at all on improving this system build would be appreciated. I have a few questions with this list. AMD or Intel? I don't know enough about either to choose what would best fit me. Thanks! **EDIT: Thanks for the input everyone! Here are some answers: I do a lot of programming and gaming, so I do need things for both. The newer video card covers the gaming aspect, as well as allowing me to have many monitors. (hopefully upgrade to dual 30' or more) I don't need any additional HDs at this time. I have a SATA 160g and 120g from my previous computer, and a NAS system with over 2TB of storage on the homenetwork. I just wanted a fast HD for OS/programs/games. With the memory. I have used G.SKILL before in 2 system builds. It's done excellent for me in them. Very stable. **EDIT2: Made some additional changes. Lowered the power supply down to 750, which saves me more $$. Also changed the SSD to 2 WD 650G HDs. Thinking of doing a CPU upgrade to the 3.4GHZ AMD Phenom II X4 965 Black Edition Deneb 3.4GHz System Specs - Budget:$1500 CPU: AMD Phenom II X4 955 Black Edition Deneb 3.2GHz MB: GIGABYTE GA-MA790GPT-UD3H AM3 AMD 790GX HDMI ATX Memory: G.SKILL 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 1066 Video: DIAMOND 5870PE51G Radeon HD 5870 (Cypress XT) 1GB 256-bit GD Power Supply: XCLIO GREATPOWER 1000W ATX12V SLI Ready CrossFire Ready HD:Intel X25-M Mainstream SSDSA2MH080G2C1 2.5" 80GB SATA II MLC Changes: Power Supply: CORSAIR CMPSU-750TX 750W ATX12V / EPS12V HD: 2x Western Digital Caviar Blue WD6400AAKS 640GB CPU: AMD Phenom II X4 965 Black Edition Deneb 3.4GHz

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  • Some questions regarding Hostname

    - by user481913
    I just bought a new VPS hosting plan and i have a few questions. Hope someone here can clear the doubts for me. 1) Is it necessary to have a real domain for a vps hostname? I suppose i can just use a non-real domain like anydomain.com and something like 'server' for the computer name. Therefore i'll end up with something like server.anydomain.com as the vps's hostname. I want to do this for the sake of putting in a hostname to configure the vps to get it going . So, since this non-real domain name does not need to be publicly accessible i don't need to register or own it and instead access the server by the ip address. Is that correct? But i suppose that this also depends upon if my web host allows that? 2)I would also like to run some real sites with real domain names on this vps, so can i just configure the zone file on the primary nameserver and make entries for these domains and point an A record at the Vps's IP to make them publicly accessible over the internet? For example for my 1st domain i could make an entry like this: $TTL 86400 mydomain1.com. IN SOA ns1.mywebhost.com. \ admin.mydomain1.com. ( 2004011522 ; Serial no., based on date 21600 ; Refresh after 6 hours 3600 ; Retry after 1 hour 604800 ; Expire after 7 days 3600 ; Minimum TTL of 1 hour ) server IN A 200._._._ ns1.mywebhost.com. IN A 216._._._ ns2.mywebhost.com. IN A 205._._._ @ IN NS ns1.mywebhost.com. @ IN NS ns2.mywebhost.com. @ IN MX 10 server www IN CNAME server server IN CNAME @ (so this particular line tells the nameserver to point the url mydomain1.com to server.anydomain.com at the particular ip addresss in the A record.... is that right?) Similarly for my 2nd domain i could have a similar entry : $TTL 86400 mydomain2.com. IN SOA ns1.mywebhost.com. \ admin.mydomain2.com. (..... ............................so on........ ......................................... ......................................... ......................................... ......................................... ......................................... Is that correct? 3) Suppose for my vps hostname, i ignorantly chose a domain that someone else alreadys owns , however i think that it won't affect the public accessibility of the real domain or website since only the real owner of the domain has the rights to provide for the nameservers addresses in the TLD registeries through his Domian Registerar? Is that correct? 4)Can i change my vps's hostname later? Would this create any complications?

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  • Questions every good PHP Developer should be able to answer

    - by Rachel
    I was going through Questions every good .Net developer should be able to answer and was highly impressed with the content and approach of this question and so in the same spirit, I am asking this question for PHP Developer. What questions do you think should a good PHP programmer be able to respond to? EDIT : I am marking this question as community wiki as it is not user specific and it aims to serve programming community at large. Looking forward for some amazing responses. NOTE : Please answer questions too as suggested in the comments so that people could learn something new too regarding the language.

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  • Where to ask practical unit-testing questions?

    - by Ian Boyd
    Before i can understand unit testing, i have to see real world examples. Every book, blog, article, or answer i've seen gives hypothetical examples that don't apply to the/my real world. i really don't want to flood StackOverflow with hundreds of questions all titled "How do i unit-test this?" There must be another place i can go to ask for real solutions. Where can i go to get practical answers to unit-testing questions? Note: i would give an example question, but then people would get grumpy when i asked the 200 follow-up questions.

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  • Where do you get ArcGIS development questions answered?

    - by nw
    Where do you have the most success getting your ArcGIS development questions answered? ESRI forums? Stack Overflow? Google? Mailing lists? Blog posts? ESRI documentation? I can usually get answers to my ASP.NET/Oracle/JavaScript/C# questions in short order, but questions about ESRI products and APIs are a different matter. Posts founder in the forums, Google returns void, etc. I'm sure this is not uncommon for niche commercial products, but frustrating nevertheless. What works for you? Please share.

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  • Oracle University: Database 11g Certification News(Week 39)

    - by rituchhibber
    The following exam has recently become available for beta testing: Exam Title (and code) Certification Track Oracle Database 11g Release 2: SQL Tuning  (1Z1-117) Oracle Certified Expert, Oracle Database 11g Release 2 SQL Tuning Full preparation details are available on the exam page, including prerequisites for this certification, exam topics and pricing. Remember: Your OPN discount is applied to the standard pricing shown on the website.A beta exam offers you two distinct advantages: you will be one of the first to get certified you pay a lower price. Beta exams can be taken at any Pearson VUE Testing Center.

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