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• What data should I (can I) gather to prove a .net bug in third party software?

  - by gef05

  Our users are using a third-party system and every so often - a user might go all day without this happening, other days they may see it two or three times in seven hours - a red x will appear on screen rather than a button, field, or control. This is a .net system. Looking online I can see that this is a .net error. Problem is, our devs didn't write it, and the vendor wants proof that the problem resides with their system, not our PCs. What can we do to gather information on such an issue that would allow us to make our case to the vendor and get them to create a fix? I'm thinking of data to gather - anything from OS, memory. .net version installed etc. But I'd also like to know about error logging - if it's possible to log errors that occur in third-party systems.

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• Error installing SQL Server 2005 Express on AMD Turion?

  - by Angel

  Hello. Is there some compatibility problem between SQL Server 2005 Express and AMD processors? I read something along those lines on various sites, but found nothing 100% definitive. I am trying to install SQL Server 2005 Express on a computer that runs Windows Vista Home Premium, 32-bit edition, and the CPU is "AMD Turion Dual-Core RM-70". I tried both the 32-bit and 64-bit installers, just in case, and the process runs fine until the moment the service attempts to start, where it fails with the same error every time. I'm sorry I can't provide more details or the exact message, it was on a client computer to which I have no access at the moment. I hope someone could shed some light on this. Thank you.

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• Cannot dump svn repository

  - by vinga

  I've a problem with my svn repo. I cannot use it, I even cannot dump it. svnadmin verify repo returns Can't set position pointer in file 'svn/db/revs/0/0' When I try to dump repo (no matter what revision range), console output shows: * Dumped revision 0. svnadmin: Final line in revision file missing space I've googled that this may be connected with wrong version apr apache2 library, but I have other repositories which work good, so I thing this isn't the case. Is there any way to save at least some files from my repo? Can svn repo get corrupted so easily (probably after power-cut, however I'm not sure).

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• How do I block requests to Apache on a network interface?

  - by Dmitry Dulepov

  The problem: I have a local Apache instance on my Macbook Pro. I need it to listen on all network interfaces except en0 and en1 (basically, listen on lo and vnicX from Parallels). I know about "Listen *:80" but this is not a solution in this particular case. The only thing I could imagine if to use OS X firewall to block incoming requests to Apache on those interfaces. But I could not find any working examples and could not make such rules myself. Could somebody help, please?

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• Chrome logs me out of everything when I exit--tried cookie-related stuff already

  - by GreatBigBore

  I've been using Chrome very successfully for a long time. It has always kept me logged in to all my sites even after exiting the app. Recently it started logging me out of everything when I exit Chrome. I've fooled around with all the various advanced cookie settings, and I've cycled through the options hoping that Chrome just needed a wakeup call or a reset or something. I've also deleted all the cookies in case a corrupted one is confusing Chrome. Nothing works! I see cookies when I log in, but they all go away when I exit Chrome. I've searched all over the place and seen only the standard answers relating to resetting cookies, local data, sessions, that sort of thing. Any Chrome gurus out there, please send a telepathic message to my browser asking it to resume its previous excellent behavior. Alternatively, you could suggest other possible solutions.

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• What are the pros & cons of these MySQL engines for OLTP -- XtraDB, PBXT, or TokuDB?

  - by Continuation

  I'm working on a social website with an approximate read/write split of 90/10. Trying to decide on a MySQL engine. The ones I'm interested in are: XtraDB PBXT TokuDB What are the pros and cons of them for my use case? A few specific questions: PBXT uses log-based structure that avoids double-writes. It sounds very elegant, but the benchmark I've seen doesn't show any/much advantages over XtraDB. Do you have any experience with PBXT/XtraDB you can share? TokuDB sounds VERY interesting. But all the benchmarks I've seen are about single-threaded bulk inserts - inserting 100M rows for example. that's not very relevant for OLTP. What about its performance with large number of concurrent threads writing and reading at the same time? Anyone has tried that?

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• Hosting solution for startup social app?

  - by happyhardik

  We are in a process of building up a social app. Initially we will have only a few thousands of users than will grow with time. Which would be the best and suitable hosting for this purpose? Grid, cloud or VPS? (it has to be economic, as we are just starting up) The hosting needs to be strong, so, in case our app has increase in the user base all of a sudden it wont break up or slow down the app. Our app is in PHP, MySQL. Sorry, if question posted in wrong place. Thanks, for your time. :)

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• How to post JSON object to a URL without cURL in PHP? [closed]

  - by empyreanphoenix

  I have written a send sms code which uses an available sms api. So, I need to post a string in the json(string in $json) format to a url(url specified in $url var), but I am getting the following error String index out of range: -1 I understand that the error arises when requesting for an index that isn't there, but I dont find how that applies in this case. Please help. Note: name1,name2 and name3 are sender name, phone number and content respectively. Thanks array ( 'method' = 'POST', 'content' = $data, 'header' ="Authentication:$key" . "timeout:50000"."ContentLength: " . strlen ( $data) . "\r\n" ) ); if ($optional_headers != null) { $params ['http'] ['header'] = $optional_headers; } $ctx = stream_context_create ( $params ); try { $fp = fopen ( $url, 'rb', false, $ctx ); $response = stream_get_contents ( $fp ); echo "response"; } catch ( Exception $e ) { echo 'Exception: ' . $e-getMessage (); echo "caught"; } echo "done"; return $response; }

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• Route using certain IP address

  - by spa

  I have a server with two public IPs. Both IPs are added to eth0 using ip addr add. Now I'd like to contact a server which uses IP address filtering. Only requests are allowed which use the second IP address. Is there are way to set this up using the standard route command in Linux? I guess that's not the case. So the only solution I see right now: Setup a virtual device let's say eth0:0 and bind the second IP address to it. Then I can reference the device in the route command. Edit: I can't use the second IP as primary one easily as this IP is used as failover IP.

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• Is it safe to disable clamd?

  - by mk1000

  Clamd is taking up about 5% of my memory (2GB) on my dedicated server and I'm wondering if I can disable it without any security risks. The server just hosts a few of my own websites. For the most part, email received and sent is done through gmail (which connects to my pop3 accounts). The only other email use case is where one of my websites parses all emails and grabs attached images and the subject line. Would there be any security / risks of virus infection if I disable clamd?

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• Best way to administer a website remotely

  - by Mark Szymanski

  I have a Windows computer running an intranet website with IIS and I was wondering what the best way was to administer it from another computer, in this case, a Mac. What I want to do: Be able to edit pages from my Mac. VNC into the server because it is 'headless'. (Already have this set up) My current file syncing setup: I have Dropbox setup to sync files between the computers and then use PureSync to sync the files in the Dropbox folder into the wwwroot folder. Is there a better (faster/easier) way I could do all this? Thanks in advance!

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• Grub2 menu after crash

  - by poopa

  Hi, I have ubuntu 9.10 desktop VMware VM with the default grub2 installed. There is some weird problem with this VM. When you clone this vm and have a customization script run, the cloned machine crashes at first boot (VMware does not officially suport customizaing Ubuntu newer than 8.04). After the creash the Grub boot menu is displayed but there is not time out. I checked /boot/grub/grub.cfg and it does indeed show a timeout of 10 seconds. Nothing happens till I select an option with the keyboard. The second time the Ubuntu loads, it does not crash. My question is, how do I make the grub menu timeout in that case? Thanks.

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• Redirect with iptables if destination port is not listened

  - by PoltoS

  I've a server listening on port 10000. But this server is running only in a special case (then some third service is available). Otherwise the port is not listened. Is it possible to redirect the client to another port if 10000 is not listening? I see two solutions: 1) insert/remove iptables rules on server start/stop, but since the server may be killed, it may not insert the correct iptable redirect rule before dieing. 2) make a permanent userspace rule that checks if the port is listening and redirects the packet if not listened. How to do 2) ? Do someone have recipes for ipq? May be someone can suggest me a better way? It is something like fallback redirect: I'll have thousand of clients with different ports (10000-11000) and if their instance of server is not running, whey should be redirected to some page explaining why they don't have and instance connected.

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• Eclipse style autohotkey commands

  - by Ph4g3

  Is autohotkey capable of interpreting hotkeys in the style of Ctrl + Shift + W, W? I would assume a script like the following would work: ^+W:: ; Windows hotkeys (Ctrl + Shift + W) O:: Run Outlook ; Subsequent 'o' pressed => Run outlook E:: Run Explorer ; return From the documentation I note that these are called vertically stacked hotkeys and cause each line to perform the same action. In the case above, I think Ctrl+Shift+W and o will both cause outlook to be launched, whereas pressing e would cause explorer to be launched. What I would like is Ctrl+Shift+W, O runs outlook and Ctrl+Shift+W, e runs windows explorer. Is there any way to cause a hotkey to perform context specific actions (much like in Eclipse), where I can press Ctrl+Shift+W to activate a block of specific hotkeys?

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• How does Linux's unlink on a NTFS filesystem differs from Window's own implementation?

  - by DavideRossi

  I have an external USB disk with an NTFS filesystem on it. If I remove a file from Windows and I run one of the several "undelete" utilities (say, TestDisk) I can easily recover the file (because "it's still there but it's marked as deleted"). If I remove the file from Linux (I'm using Ubuntu) no utility can recover the file (unless I use a deep-search signature-based one). Why? It looks like Linux does not just "mark it as deleted" but it wipes away some on-disk structure, is this the case?

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• How can we add arch specific conflicts tag when building .deb package?

  - by Sphopale

  We are trying to build multi-arch supported i386 .deb package. There are two .deb packages build on i386 X1 & X2 (X2 is a subset of X1 binaries). X1 <- X2 conflict each other when installing . Only one .deb package can be installed at any instance. We similarly have binaries on xa64 arch. Again on xa64, there are two .deb packages X1 & X2 (X2 is a subset of X1 binaries). X1 <- X2 conflict each other when installing . Only one .deb package can be installed at any instance. In case of multi-arch i386 .deb package,i386 .deb packages (X1 & X2) can be installed on xa64 along side with 64bit (X1 & X2) However I see that when installing X1:i386 & X1:amd64 can co-exist However, it throws conflict error when trying to install X1:i386 & X2:amd64 In short, Can we mark package to conflict based on arch Conflict: X2:i386 X1:i386 package should only conflict with X2:i386 & allow other packages to co-exist X1:amd64 package should only conflict with X2:amd64 & allow other packages to co-exist X1:i386 can co-exist with X1:amd64 OR X2:amd64 X2:i386 can co-exist with X1:amd64 OR X2:amd64 Thanks for your reply

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• Apply rewrite rule for all but all the files (recursive) in a subdirectory?

  - by user784637

  I have an .htaccess file in the root of the website that looks like this RewriteRule ^some-blog-post-title/ http://website/read/flowers/a-new-title-for-this-post/ [R=301,L] RewriteRule ^some-blog-post-title2/ http://website/read/flowers/a-new-title-for-this-post2/ [R=301,L] <IfModule mod_rewrite.c> RewriteEngine On ## Redirects for all pages except for files in wp-content to website/read RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteCond %{REQUEST_URI} !/wp-content RewriteRule ^(.*)$ http://website/read/$1 [L,QSA] #RewriteRule ^http://website/read [R=301,L] RewriteBase / RewriteRule ^index\.php$ - [L] RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule . /index.php [L] </IfModule> My intent is to redirect people to the new blog post location if they propose one of those special blog posts. If that's not the case then they should be redirected to http://website.com/read. Nothing from http://website.com/wp-content/* should be redirected. So far conditions 1 and 3 are being met. How can I meet condition 2?

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• How to lookup a value in a table with multiple criteria

  - by php-b-grader

  I have a data sheet with multiple values in multiple columns. I have a qty and a current price which when multiplied out gives me the current revenue (CurRev). I want to use this lookup table to give me the new revenue (NewRev) from the new price but can't figure out how to do multiple ifs in a lookup. What I want is to build a new column that checks the "Product", "Tier" and "Location/State" and gives me the new price from the lookup table (above) and then multiply that by the qty. e.g. Data > Product, Tier, Location, Qty, CurRev, NewRev > Product1, Tier1, VIC, 2, $1000.00, $6000 (2 x $3000) > Product2, Tier3, NSW, 1, $100.00, $200 (1 x $200) > Product1, Tier3, SA, 5, $250.00, $750 (5 x $150) > Product3, Tier1, ACT, 5, $100.00, $500(5 x $100) > Product2, Tier3, QLD, 2, $150.00, $240 (2 x $240) Worst case, if I just get the new rate I can create another column

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• Move entire OS from NTFS drive to bigger ext4 drive.

  - by pangel

  According to SMART data, the hard drive I curently use is about to fail. I bought a new, bigger drive to copy the system to a safer place. The old drive is 160GB. Ubuntu was installed with Wubi, and the partition is NTFS. There are a few other partitions around (recovery partition, swap...) that I don't care about. The new drive is 320GB. I would like the new system to run on ext4, not on NTFS. I looked at solutions that use dd, or clonezilla, but it seems that moving to a different filesystem prevents me from using them. I considered installing a brand new ubuntu on the new hard drive and then copy /home from the old drive to the new drive, but I heard that there would be file permission problems. I would also have to reinstall all my software. One last thing: the NTFS drive has dead sectors. I don't know how this can influence the copy process, but I mention it just in case. edit: I do not care about the windows partition. I just want Ubuntu to make the transition.

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• Linux, PHP, and mysqlnd?

  - by bob-the-destroyer

  Looks like most common distros build their PHP packages without mysqlnd, instead relying on the old libmysql library. Are there any distros that do include the new mysql native driver even as an option in any of their officially supported repositories? If not, is it possible (and if so, how) to rebuild these three (mysql, mysqli, & pdo_mysql) extensions without having to rebuild the entire PHP install? In my case, there are several PHP functions I need that are available only if these Mysql extenstions are built against mysqlnd. So I'd be fine installing a new OS to get these if the OS offers and supports it.

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• How many xml http requests is too much for a pc to handle?

  - by Uri

  I'm running mediawiki on an apache on a regular pc running vista (don't know the specific specs, but I'm guessing at least duo core 2 2 giga hertz processor, broadband connection (500 kb/s at least, probably 1 mega). I want to use the MediaWiki api to send a lot of requests to this server. Most of the time the requests will be sent through LAN (but sometimes through the internet). I'm talking thousands of requests every few seconds at worst case. (A lot of these requests may repeat themselves, I guess some sort of cache would help) Will the server handle this, or do I need a stronger/dedicated computer? (I'm not looking for specific yes/no, but just want to get an idea as to what configuration of computer will support how many request per second) Thanks

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• Implementing Explosions

  - by Xkynar

  I want to add explosions to my 2D game, but im having a hard time with the architecture. Several game elements might be responsible for explosions, like, lets say, explosive barrels and bullets (and there might be chain reactions with close barrels). The only options i can come up with are: 1 - Having an array of explosions and treat them as a game element as important as any other Pros: Having a single array which is updated and drawn with all the other game element arrays makes it more organized and simple to update, and the explosive barrels at a first glance would be easy to create, simply by passing the explosion array as a pointer to each explosive barrel constructor Cons: It might be hard for the bullets to add an explosion to the vector, since bullets are shot by a Weapon class which is located in every mob, so lets say, if i create a new enemy and add it to the enemy array, that enemy will have a weapon and functions to be able to use it, and if i want the weapon (rocket launcher in this case) to have access to the explosions array to be able to add a new one, id have to pass the explosion array as a pointer to the enemy, which would then pass it to the weapon, which would pass it to the bullets (ugly chain). Another problem I can think of is a little more weird: If im checking the collisions between explosions and barrels (so i create a chain reaction) and i detect an explosion colliding with a barrel, if i add a new explosion while im iterating the explosions java will trow an exception. So this is kinda annoying, i cant iterate through the explosions and add a new explosion, i must do it in another way... The other way which isnt really well thought yet is to just add an explosive component to every element that might explode so that when it dies, it explodes or something, but i dont have good ways on implementing this theory either Honestly i dont like either the solutions so id like to know how is it usually done by actual game developers, sorry if my problem seems trivial and dumb.

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• How to avoid being fooled

  - by Dacav

  I'm a big fan of the OpenSource development model, and I think that sharing information, knowledge and ideas is the best way of working in software development. Still I think that being hired for proprietary software development must not be demonized. Of course, as there's a no reward in terms of sharing there must be a bigger reward in terms of money (i.e. I surrender all my rights for cash). It may happen that one gets hired piecework, for a single project: in this case one is more vulnerable to dishonest employers. This didn't happen to me personally, but some friends of mine had bad experiences, and lost a lot of time without being fairly retributed. Of course a contract should protect both parts. But contracts can be very generic in the specification. Software is not anything but a palpable good! Besides I don't think that contracts can distinguish between a well written software and a poorly written one. Note also that, in this (nasty) spirit, it's also likely that the employer cannot trust the employee! So also the employer should be protected by a dishonest employee). My question is the following: Which is, in your opinion, a good way of avoiding this kind of situation from the technical perspective?

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• setreg.exe for Windows 7

  - by victoriah

  I want to use setreg.exe (http://msdn.microsoft.com/en-us/library/aa387700(VS.85).aspx) to disable the certificate revocation check. However, it's based on an older version of .NET than what I have. Microsoft says it's shipped with the older .net SDK, and when I download that, try to install, it says something like 'can't install SDK without .net 1.1'. In the article linked it says for newer versions I should use SignTool, but SignTool does not appear to have the function I need . Is it possible to either - a) find a tool that can perform the function I need that doesn't need me to install the older .NET b) get setreg.exe without downloading the SDK or do I need to install the older .NET on my machine? And if the latter is the case, what do I need to do to install an older .NET? Will it overwrite my current .NET? Thanks,

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• Release Notes for 5/31/2012

  Here are the notes for this week’s release: Pull Requests We’ve moved the pull request creation UI from a modal dialog to a full page to make room for more context on what you’re sending with your pull request. In this week’s changes, you’ll see the list of commits; look for diffs to appear in the coming weeks. Corrected several issues where the line that had comments associated was not being properly differentiated in the code snippet previews on pull request discussions. Corrected an issue where pull request line comments would not appear to be associated with the proper line of code. Fixed an issue where accepting pull requests was not working properly. Bug Fixes Fixed an issue where code snippets could not be inserted using Opera. Fixed an issue where Internet Explorer displayed an error message when browsing the site using https. Fixed an issue where the CAPTCHA was not displaying properly on the Contact User page. Fixed an issue where paging was not working properly in the “Recent Release in Followed Projects” sections for logged in users. Other Updated the activity stream to no longer auto-load new items when scrolling down. Added an explicit download link at the end of the download countdown in case certain browsers/scenarios don’t automatically start downloading. Have ideas on how to improve CodePlex? Visit our ideas page! Vote for your favorite ideas or submit a new one. Got Twitter? Follow us and keep apprised of the latest releases and service status at @codeplex.

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