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• My MacBook Pro (2011) is dead

  - by Dave

  I connected my Sony digital camera with the MacBook and the screen turned black. I wonder why because the Sony camera was not on at the time and technically could not be accessed. So I thought it might be temporary and I turned on my camera. Well, it did not work, but my MacBook Pro has been dead since then. It will not turn on - when I hold the power button for five seconds, nothing happens. When I connect the charger cable, the green light is very dim and blinks a little (with about 20% illumination). I wonder what the problem is. I have to call Apple Care, but just so that I know, what could be wrong? Is my MacBook permanently dead? It might be under warranty but I am not sure.

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• some websites not opening completely

  - by mkk

  Hi everybody, I am using bsnl broadband connection, modem: wa3002g1 os: xp(86x) / vista(64x) A few days back I have changed the modem (don't know the previous modem no) because of some issues. since then I am not able to open most of the websites in firefox, IE6/8, chrome, opera. If i connect with other network like reliance data card, those websites are opening, if i connect bsnl the problem will be same again. I called to customer care many times, but no use. Please help me to find the solution. Thank you in advance.

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• How to convert a video to 4:3 or 16:9 aspect ratio without loss of video quality

  - by Linux Jedi

  I uploaded my video to youtube and the highest resolution it appears as is 360p. This is much lower than what I uploaded. I believe that youtube isn't making higher resolutions available for my video because of its aspect ratio. The video is 720x400. How can I convert this to a different aspect ratio without losing any of the picture or picture quality? I don't care if blank space appears around the video so long as the picture doesn't get stretched horizontally or vertically.

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• Disable RAID Controller

  - by B.Mr.W.

  I have some decent HP Proliants server that come with "HP Smart Array P410i Controller" enabled, I am using these boxes to set up a Hadoop cluster and I know, RAID is for sure a no-no for Hadoop since the application itself will take care of data redundancy and extra intelligence provided by RAID won't be helpful and might turn down the performance. I tried to disable the devices at the BIOS and the box cannot even access the disk afterwards. So I am assuming the controller is sitting between disks and mother board, and we have to turn it on and configure it to "level0" or something like that. I am wondering what should I do to "disable" the RAID functionality so it will fit into the Hadoop environment.

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• Can two Linux installations share the same /home partition?

  - by huahsin68

  I am currently using OpenSuse 11.4 and Windows XP in laptop. I was planning to remove the Windows and switch to install Kubuntu. My current situation is that I have my root (/) and /home partition separated in OpenSuse. Can I share the /home partition between OpenSuse and Kubuntu? How do I configure Kubuntu to use the existing /home partition during the installation? BTW, the most recent Kubuntu is using ext3 file system whereas my OpenSuse is using ext3. Will this a matter for me to install Kubuntu? Any other issue I need to take care of?

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• iPhone VPN to iTunes Home Sharing

  - by Philip Crumpton

  my goal is to set up a VPN on a Windows machine that contains my iTunes library then connect to that VPN with my iPhone and be able to utilize Home Sharing remotely. I have read that this can easily be set up if the iTunes library is on a Mac (Network Beacon and YazSoft ShareTool are two products I quickly found). I can't find anyone who has had success on a Windows machine, though. In my thinking, there are two options (aside from buying a Mac): 1.) Existing utility that takes care of this for me (like the Mac-only options listed above) and is compatible with iPhone (Hamachi is NOT compatible with iPhone VPN) 2.) Manually configure a VPN to allow Bonjour multicast (can't find any information on this) FYI my router is a Linksys WRT54GL running Tomato 1.28

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• Achieving AES-256 Channel Encryption with the .NET Compact Framework

  - by Ev

  Hi There, I am working on a business application where the clients are Windows Mobile 6.1 Professional devices. The server is a Java enterprise application. The industry working group recommends AES-256 encryption for client/server communications. This is necessary to gain certification. The encryption doesn't necessarily need to be channel encryption, it could be payload encryption. Channel encryption is preferable. The client and server communicate using SOAP/HTTP, which we are yet to implement. We plan to use WCF on the compact framework. In order to alleviate some of the work required to implement manual encryption/decryption, it would be nice if we could achieve the required encryption either at the TLS level, or somehow using the WS-* standards (I'm not particularly familiar with that group of technologies but I am learning right now). The server supports https with 256-bit AES. Does anybody have an idea on the best way to implement this? Thanks in advance.

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• Would you take a pay-cut to get a higher position?

  - by jonathanconway

  Say you're in a contracting developer role at a bank that pays well and will probably be extended. Then you get offered a permanent role at an IT solution provider as a Senior Developer/Technical Lead. Would you stick with the contracting, or go to the permanent role? The contract role: pays well will probably be extended provides finance industry experience is reasonably challenging, although I don't get much ownership over the projects The permanent role: pays less gives me technical lead/team lead experience- involves a range of websites for different clients, and I get to take ownership of projects much more challenging technically, as I have to "earn my stripes" within the team before I'll be given team lead responsibilities. If you were in this situation, would you take the pay-cut and go with the permanent role? Or would you continue contracting, and not feel like you might have missed out on something really good?

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• glusterfs to replicate files to other servers

  - by sbrattla

  I've got multiple servers which all need to have the same content in /home. In other words, if the file /home/user1/test.txt is updated on server A, this needs to be replicated to all other servers in the cluster. Is it possible to use GlusterFS for this purpose? That is, let each server have a full copy of all data locally - which that server will be working on - and solely use GlusterFS to take care of replicating this data to the other servers? I'm not intersted in a combined storage, but rather have all data on all machines only to have GlusterFS to replicate it to the other machines.

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• Trojan infection help please

  - by brandon

  Hey, I was browsing some websites and somehow obtained a trojan through some sort of silent download. Google Chrome started acting funny and wouldn't load web pages and neither would internet explorer. Only Firefox worked. I rebooted my computer and as usual logged into my email account as well as my bank account online completely forgetting about the infection. Could my information have been sent to the person or people or wrote the trojan? I downloaded Zone Alarm and took care of the issue, I'm just worried about when I absentmindedly logged into my email account and bank account online while I was infected.

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• How can I combine non-identical disks efficiently?

  - by Odys

  There are some not-identical disk of various capacities that I want to combine (somehow). Since there are no duplicate models, I can't use raid between none of them. Is there a way to use them efficiently while being safe? What I have in mind is a software that will use them as if it were Raid-5 or something. I really don't care about max speed. I want in the end to have as less logical drives as possible. Also, I don't mind spending some money on hardware, if needed.

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• Will iPhone OS4 make your life easier or harder as a lone app developer?

  - by Matt

  I am interested to hear what people feel about the new iPhone OS4 release. It is obviously very exciting having access to all the new features, apparently (from apple.com) it has over 1500 new APIs. My original thoughts were "Wow, this is awesome", and I suppose it is. I was just getting comfortable with OS 3.2 development though, and now there is a raft of additional stuff to learn in order to keep up with the pack. So I am feeling quite frustrated! Do you think, when working as an individual app developer, having access to these additional features would improve your applications or just water down the quality? I guess being giving the opportunity to improve applications and provide better features should be welcomed. I think frustration comes from struggling to keep up with the continuous changes, but thats the industry we are in I suppose! Any thoughts/comments?

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• Best tools / formats for documenting XML API?

  - by ivant

  We are developing XML over HTTP service and we need a way to document the XML interface. Our supported XMLs generally are subsets of some industry standard XML API, which unfortunately lacks any good documentation. It has XSDs though with some annotations, so we use this go generate the initial documentation and then remove the unsupported parts and refine the result. But this process is tedious and the results aren't at all great. Any suggestion about documentation formats and tools? I prefer to have HTML output and possibly more, e.g. PDF. Oh, and we are mixed Linux and Windows shop, so the tools should work well on both.

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• Mirror DFS configuration data between 2 servers/ sites

  - by Retro69

  I have 1 Windows 2008 R2 server in Site A running Domain Integrated DFS in 2008 mode with a Single Namespace with a large number of DFS Targets all configured to point to a share on our NetApp SAN. Step 1. I want to initially copy this configuration data across to a 2012 server in Site A preserving all the configuration data. Step 2. I need to mirror this configuration to a 2nd server in Site B so we dont have a single point of failure for the DFS namespace. For Example. A user in Site B would "connect" to the DFS server in Site B, but if that site was down, it would attempt to connect to the Server in site A and vice versa. Note im not interesting in replicating actual Data here, just the configuration. Our NetApp SANS have mirroring which take care of that. Is this possible? Many thanks.

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• Simple HTTP server that will send the same file for all requests?

  - by Rory McCann

  I need to debug a XML-RPC application, which sends XML replies over HTTP. I have a sample XML reply (i.e. data from the server, sent to the client that isn't working), I'd like to debug my application. Ideally I'd like a simple HTTP server that will serve one file in reply to all requests. Someone requests /? Send them this file. Someone makes a post to /server/page.php with a certain cookie? Just send them this file. I don't care about multithreading, or security. I will only need to use this for a few hours to debug. I have root on the machine. i.e. I'm hoping there's something as easy to use as this: simple_http_server -p 12445 -f my_test_file I'm aware of python's SimpleHTTPServer module, but I'm not sure how to make it work in this case.

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• outgoing mail for web app (multiple domains as sender)

  - by solid

  I have a web app "myapp.com" that users can use to set up their own websites. Our application is written in php and should be able to do the following: send mails to our own users "from: [email protected]" send mails from our clients to their clients "from: [email protected]" We don't need to take care of incoming mails, just send out mails with the correct from and reply-to addresses. We cannot make this work using Google Apps (limited to our own domain in the from-field) and we cannot make google apps or google apps domains for all our clients, so we are looking for another simple to manage and set up solution. Does anyone have experience with this, please let me know! Thanks

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• How can I get data off of a damaged thumb drive?

  - by Lord Torgamus

  A guy I work with just came by to ask me about a damaged thumb drive/USB flash drive. Apparently his son dropped it on a hard surface and it won't power up anymore. They've tried plugging it into multiple machines without success, even though each port they tried was able to power other USB devices. He knows it's not a lost cause because a local tech store is offering to recover the data for $500, but he says they're not worth that much. I figured someone on SU would have an idea about this; he doesn't care about using the drive in the future, just wants to salvage a few files that would be a pain to recreate. Is this possible without advanced equipment, and if so, how? He said he already tried the advice on the Internet about typing in different drive letters and such, but that failed because there was no power going to the drive. He also said that he opened the case up at one point, but I'm not sure what, if anything, he did inside.

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• Windows 8 to 8.1 Pro Upgrade SecureBoot Error

  - by Alexandru

  I upgraded from Windows 8 to Windows 8.1. I have an Alienware Aurora R4 with the latest BIOS firmware version, A09. Ever since I did the upgrade, I get a watermark on my desktop saying, "SecureBoot isn't configured correctly"...I would like to get rid of this watermark the correct way (not by hacking system DLLs). My BIOS shows me booting in UEFI mode, and I see that SecureBoot is actually disabled from there. I cannot enable SecureBoot, in either UEFI mode or Legacy Boot mode. Note, I can't even get Legacy Boot mode working without re-formatting my system which I really don't plan on doing, so my question is this...what has changed in the way Windows handles SecureBoot? As far as I can tell, I do not have SecureBoot enabled, and it is trying to tell me that it isn't configured correctly. Why does it even care to check if my BIOS doesn't have it on anyways?! Its so frustrating!

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• Data Warehouse: One Database or many?

  - by drrollins

  At my new company, they keep all data associated with the data warehouse, including import, staging, audit, dimension and fact tables, together in the same physical database. I've been a database developer for a number of years now and this consolidation of function and form seems counter to everything I know. It seems to make security, backup/restore and performance management issues more manually intensive. Is this something that is done in the industry? Are there substantial reasons for doing or not doing it? The platform is Netezza. The size is in terabytes, hundreds of millions of rows. What I'm looking to get from answers to this question is a solid understanding of how right or wrong this path is. From your experience, what are the issues I should be focused on arguing if this is a path that will cause trouble for us down the road. If it is no big deal, then I'd like to know that as well.

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• 4K sectors transition: Why are hard drives moving to 4096 byte sectors, vs. 512 byte sectors?

  - by Chris W. Rea

  I've noticed that some Western Digital hard drives are now sporting 4K sectors, that is, the sectors are larger: 4096 bytes vs. the long-standing standard of 512 bytes. So: What's the big deal with 4K sectors? Is it marketing hype, or a real advantage? Why should somebody building a new PC care, or not, about 4K sectors? Why is this transition taking place now? Why didn't it happen sooner? Are there things to look out for when buying a 4K sector hard drive? e.g. incompatibility? Anything else we should know about 4K sectors?

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• Getting some garbage text when tar-ing a file

  - by Ramy

  when I run the following command: tar -c music.tar iTunes\ Music/ But I get the following garbage output. b????n5???z???V_o?P?O3|?b???i?Pl?jH??8??z5??????~D|_($?|b??:???š`?s7 ?%z\??Jj????K????Z??V?)?A4 2??}?4?(??#?P??ykX ?Q?e<?w?U????Y?8n??s? 1B??F.f? ?X9Lb=8??@????|?h?d???I??L?]??????-????gx??l????n?cs{f???f???6?M(?u??6??|pX?nH?V???$???????7??n?H???Yua??Xn?;{?JP?????7?@R?f_?j?*????3M?z?s9???"??0?$1??7:w???????|D_?????EjtO????????P?Y?-? xVF???Uwky?u?Yt?h ???K ?nJh?]K?J-?2??#Q????~?~B)O?MH?? "??6#?Q,uNG?~??4t?=^C I don't really care if I'm just missing some font library. But I haven't run this to completion because...well i'm not really sure what it's doing. any help appreciated.

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• What is annotations and how do it actually works for frameworks like Spring ?

  - by Rachel

  I am new to Spring and now a days I hear a lot about Spring Framework. I have two sets of very specific questions: Set No. 1: What are annotations in general ? How does annotations works specifically with Spring framework ? Can annotations be used outside Spring Framework or are they Framework specific ? Set No. 2: What module of Spring Framework is widely used in Industry ? I think it is Spring MVC but why it is the most used module, if am correct or correct me on this ? I am newbie to Spring and so feel free to edit this questions to make more sense.

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• How to disable color dithering for low-bit-depth screen settings?

  - by gogowitsch

  I am using Terminal Services and TeamViewer a lot to access other computers, partly over slow networks. The problem described below is not affected by which of the two remote access services I am using. When accessing Windows 7 Professional machines, a great deal of text is hard to read as the background is dithered. Even for exactly the same colors, Windows 2003 does not seem to dither at all, but to choose the closest available color. I strongly prefer the latter, as I don't care for the exact colors, I just want to be able to read easily. I am not sure whether this is operating system-related. The programs on the remote systems do not allow me to change the color choices for the various backgrounds to anything sane. Is there a way to disable this color dithering using some target operating system setting that will do the trick for both Terminal Services and TeamViewer?

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• sharepoint 3.0 site restore/import trouble...

  - by Trondh

  Hi, We have some old sharepoint data (from a WSS 3.0 SP1 or SP2 install), that I need to restore. Problem is: This is a time management site, and one of the fields automatically pics up the user name of the user that enters data, and this is used to keep track of who worked when. Now, when I import this into my temporary sharepoint 3.0 server, these fields are blanked, and the creator of the element is replaced by my admin user (the account that ran the import job). So, to the question: Is there any way at all to grab hold of these data before the sharepoint import job "destroys" them? I'm using stsadm -o import. I don't care if I have to pick the database itself apart manually, I just need to know if it's possible to get hold of these fields with data intact from my export files... (Backup you say? It was deleted loong ago. This sharepoint export is all we have...)

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• Where can I find the transaction protocol used by Automated Teller Machines?

  - by Dave

  I'm doing a grad-school software engineering project and I'm looking for the protocol that governs communications between ATMs and bank networks. I've been googling for quite a while now, and though I'm finding all sorts of interesting information about ATMs, I'm surprised to find that there seems to be no industry standard for high-level communications. I'm not talking about 3DES or low-level transmission protocols, but something along the lines of an Interface Control Document; something that governs the sequence of events for various transactions: verify credentials, withdrawal, check balance, etc. Any ideas? Does anything like this even exist? I can't believe that after all this time the banks and ATM manufacturers are still just making this up as they go. A shorter question: if I wanted to go into the ATM software manufacturing business, where would I start looking for standards?

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