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• Event ID 17890 (A significant part... paged out.) with SQL Server 2008

  - by Godeke

  I have a machine that has SQL Server 2008 Standard installed. Periodically (about once an hour) I am getting Event ID 17890 several times in a row. An example: 6:28:54 "A significant part of sql server process memory has been paged out. This may result in a performance degradation. Duration: 0 seconds. Working set (KB): 10652, committed (KB): 628428, memory utilization: 1%%. 6:34:27 "A significant part of sql server process memory has been paged out. This may result in a performance degradation. Duration: 332 seconds. Working set (KB): 169780, committed (KB): 546124, memory utilization: 31%%." 6:38:55 "A significant part of sql server process memory has been paged out. This may result in a performance degradation. Duration: 600 seconds. Working set (KB): 245068, committed (KB): 546124, memory utilization: 44%%." This pattern repeated at 7:26 - 7:37, 8:26 - 8:36, 9:24 - 9:35 and so with the same increasing working set and memory utilization pattern. I don't have any (known) background tasks running at this time. Backups run at 2:00 This subsided from 11:00 at night until it resumed at 4:00 in the morning and has been continuing the intermittent 10 minute glitch periods. As this server has plenty of RAM (the commit charge has peaked at 2,871,564 of 4,194,012 physical) I disabled the paging files after reading several items I dug up searching Google and not finding any of them changing the situation. This pattern I am documented is after removing the paging files, so I'm not even sure where we are paging the SQL process could be going. I also changed the SQL process memory to have a minimum of 500MB and a maximum of 2GB of RAM (as this is a light duty database server serving only a small workgroup). Has anyone encountered this? Prior to disabling the page files this error would cause 5 minutes of disk thrashing that disabled access to the databases, files, IIS webs and so on. Since disabling the page files it just logs strange things, but I'm not seeing a performance drop at least. Any suggestions would be welcome.

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• What benefit do I get from using a 64-bit server?

  - by blockhead

  I bought a small 256MB slice from slicehost and installed Ubuntu 10.04 64bit and wordpress on it. Performance was dismal as apache was eating up all my memory. Once I did some taming of apache and switched to fCGI things ran fine. Next I rebuilt as a 32 bit server, and performance was much better. What benefit would I get from a 64 bit server. Is it all about the memory?

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• Acrobat 9 Pro - shortcut key failure

  - by Rick G

  I create numerous Acrobat PDF files from MS Word documents via Acrobat 9 Pro. I often need to print a single page from an Acrobat PDF file. I normally use the keyboard shortcut Control-P (Print Dialog) and ALT-U (current page). I recently set up a new PC with Windows 7, and this shortcut combination does not work. When I press ALT-U, it moves the highlight to the correct item, but does not select the radio button. If I press the Enter key, then I print the entire document instead of the current page - VERY annoying! It looks like there is an error in the design of the Print dialog for Acrobat. There are two items which have ALT-U as the keyboard shortcut. They are "Current page" in the Print range frame, and "Summarize comments". I have been able to use Control-P (Print Dialog) and ALT-U (current page) with no problems on virtual machines and older computers running Windows XP. Maybe I installed some software on the new PC that is messing up the keyboard shortcut. Is there any way to figure out the culprit - or is this a known problem with Acrobat?

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• Firefox displaying error messages

  - by Grzenio

  Hi, My Firefox 3.6.3 started displaying weird error messages when I load pretty much every page (a few per page): --------------------------- ActiveX Error --------------------------- Could not create the control {00000000-0000-0000-0000-000000000000}. Check that it has been installed on your computer and that this page correctly references it. --------------------------- OK --------------------------- Any ideas how can I locate which plugin, add-on etc. is causing this?

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• How to scan multiple pages from a book under Linux?

  - by rumtscho

  I want the process to look like: I choose the correct scan settings (dpi, color depth, etc) I lay the first page on the scanner and trigger the process The scanner scans the page and waits for me to position the next page correctly I confirm that the next page is ready for scanning Repeat the above two steps until I tell the scanner that there are no more pages to come The scanner saves everything into a single PDF. I tried both xsane and gscan2pdf. First problem: they want me to know how many pages will be scanned. This is already a nuisance, but I can do the counting if needed. The main problem is that in step 3, the scanner does not pause. It is probably optimised for being fed loose sheets. The next scan process is triggered automatically as soon as the CCD has returned to the start position. The time the scanner needs to return the CCD is very short and I can't turn the page and position the book properly. Is there a software which can do the scan process in the way I described above, or did I just miss a setting available in xsane or gscan2pdf to make the scanner pause? If it makes any difference, the scanner is an Epson Stylus SX620FW, I run it using the manufacturer-provided driver.

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• DansGuardian: content regexp list for exact sites, how?

  - by Sergey

  We have contentregexplist file where we can write all substitutions like "source regex"-"dest string" And they ALL run for each page. Is it possible somehow to define a domain name(s) for which (only for 1 domain! not every page) some regexps should be looked for? To be clear: How to replace "Google"-"garbage" in page source only for host host.example.org? May be other content filtering system can do this? Then which one?

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• Windows: make browsers do a DNS-lookup even when the Computer is offline

  - by leosok

  I use a local DNS-Server (MicroDNS) which I set via netsh to redirect any query to my own page. A little webserver running inside my software answering something like "this page is not whitelisted". It works when connected to the Internet but does not work when offline. The Browsers stop looking up the DNS. How could I make Browsers go to my page, whatever I enter in the address line, WHEN OFFLINE?

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• Firefox location bar search: odd behaviour with Comodo firewall

  - by JNat

  I recently installed Comodo firewall, and it changed the behaviour of my Firefox location bar. I used to type something there and it either redirected me to a google search page or it actually redirected me to the site I wanted at once: If I typed 'imdb cloud atlas' it would redirect me to IMDB's page on Cloud Atlas, and the same would happen if I typed 'wiki' or 'wikipedia', redirecting me to Wikipedia's page on it. Now, it redirects me here. I checked this page and everything is according to what they describe, yet it doesn't seem to act the way it should. And there are no Comodo add-ons or extensions installed on Firefox. Can anyone help me?

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• Take a screenshot of an entire webpage in Opera

  - by robertc

  Is there some tool within Opera, or possibly an add-on, which will let me take a screenshot of an entire web page? I usually use Screengrab to do this with Firefox, but in this situation I want a screenshot of the page as Opera renders it (because I want to show the page as rendered with HTML5 form controls like date and time). I am currently using Opera 10.60 x86_64 on Fedora 12, so solutions that work in browser would be preferable rather than external programs.

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• Accessing a webpage folder with .htaccess in it via apache webdav?

  - by pingo

  I have setup webdav access in order to enable an external user to upload the content of his web page to his folder on my server that is served by apache to the web. This way he could update his web page via webdav. Now the problem is that the user requires a .htaccess file and of course .htaccess breaks webdav probably because it overrides settings. (new files cannot be uploaded anymore via webdav if below specified .htaccess exists) I am running Apache2.2.17 and this is my webdav config: Alias /folderDAV "d:/wamp/www/somewebsite/" <Location /folderDAV> Order Allow,Deny Allow from all Dav On AuthType Digest AuthName DAV-upload AuthUserFile "D:/wamp/passtore/user.passwd" AuthDigestProvider file require valid-user </Location> This config is part of my naive solution to fixing this problem. The idea was to specify an alias to the web page folder where webdav would be enabled and then set AllowOverride to none so that the .htaccess would have no effect. Of course I then found out that in <Location /> AllowOverride directive is not valid. The .htaccess file looks like this: #opencart settings Options +FollowSymlinks Options -Indexes <FilesMatch "\.(tpl|ini)"> Order deny,allow Deny from all </FilesMatch> RewriteEngine On RewriteBase / RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)\?*$ index.php?_route_=$1 [L,QSA] ErrorDocument 403 /403.html deny from 1.1.1.1/19 allow from 2.2.2.2 What would be the solution here? I would like to have the web page accessible from the web but at the same time be able to access and modify it via apache's webdav (with digest auth). How would I do that? Also if possible I would like a solution that permits the existence of the .htaccess so that the user still has the power to setup access rules for his web page.

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• What's A Good Real Time Html Editing Extension?

  - by user23392

  Hi, i always like to real-time edit a web page source in the browser and updated as i type, but firebug really sucks, i can't insert scripts in the current page, some times the changes i type aren't updated at all, Is there any robust firefox/chrome extension for that? i try to temporarely edit/add code to an existing web page in the internet, not a local one Thanks

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• How to bring Paging File usage metric to zero?

  - by AngryHacker

  I am trying to tune a SQL Server. Per Brent Ozar's Performance Tuning Video, he says the PerfMon's Paging File:%Usage should be zero or ridiculously close to it. The average metric on my box is around 1.341% The box has 18 GB of RAM, the SQL Server is off, the Commit Charge Total is 1GB and yet the PerfMon metric is not 0. The Performance of the Task Manager states that PF Usage is 1.23GB. What should I do to better tune the box?

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• default domain and first domain in apache2 causing trouble

  - by acidzombie24

  I have 3 sites and a default/test site using mono's test page. I created aFirst, c, d, e, zLast. zLast has rewrite rules that should be evaluated last. Since the first VirtualHost seen is the default i set it to this --aFirst-- <VirtualHost *:80> ServerName www.domain.tld ServerAdmin webmaster@localhost DocumentRoot /var/www/test DirectoryIndex index.html index.aspx index.php MonoDocumentRootDir "/var/www/test" MonoServerPath rootsite "/usr/local/bin/mod-mono-server2" MonoApplications rootsite "/:/var/www/test" <Directory /var/www/test> MonoSetServerAlias rootsite SetHandler mono AddHandler mod_mono .aspx .ascx .asax .ashx .config .cs .asmx </Directory> </VirtualHost> The problem is my default page (the ip address of my server) and the first website (csite.ddomain.net) have problems (even though csite is defined in c and is not the first virtual host). The ip address of my server and csite.ddomain.net ALWAYS load the same site. Either monos test page or the csite. It flips every time i restart apache. Why isnt the server ip address always loading the default page (mono test page) and why isnt csite.ddomain.net always loading the site i want!?! Heres the config for --csite-- <VirtualHost *:80> ServerName csite.testdomain.net ServerAdmin webmaster@localhost ServerAlias s.csite.testdomain.net DocumentRoot /var/www/prjname DirectoryIndex index.html index.aspx MonoDocumentRootDir "/var/www/prjname" MonoServerPath rootsite "/usr/local/bin/mod-mono-server2" MonoApplications rootsite "/:/var/www/prjname" <Directory /var/www/prjname> MonoSetServerAlias rootsite SetHandler mono AddHandler mod_mono .aspx .ascx .asax .ashx .config .cs .asmx </Directory> </VirtualHost> aFirst, c, d, e, zLast are all enabled.

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• Multiline Equation won't center and align on equals sign

  - by cubicleWar

  I have a multiline equation which I wish to align on the '=' and center the equation block on the page. I have selected align on '=' and center as a group, however the equation group becomes left justified on the page (and aligned on the =). No matter what I do I cannot get it to concurrently center the group on the page and also align on the '='. Does anyone know what setting at what level would cause this type of behavior? (I'm using MS Word 2011 on OS X 10.8)

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• Where can I find an updated Google filter Greasmonkey script?

  - by MBraedley

  Recently, Google updated their search results page. Unfortunately, this broke pretty much every Greasemonkey script used on the results page, including the very useful filter scripts. I use these scripts at work when I encounter a coding problem that (for some reason) hasn't been answered at StackOverflow, and don't want to see sites like experts-exchange. Has anyone found a new script or updated their own to work with Google's new results page?

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• good PCI-e Wireless card for Windows7?

  - by benwebdev

  Hi I've just build a 64bit Windows 7 PC but am unhappy with the piddly performance of the linksys USB wireless dingle I've used. Can anyone suggest a good PCIe alternative that will be stronger for connection and maybe faster. I dont see why my desktop should show a weaker performance on wireless than my laptop when its sat next to it or even my Palm Pre for that matter. any thoughts? UK based max around £60ish. thanks, Ben

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• Google analytics ignoring "required step" in goals

  - by Matt Huggins

  I am A/B testing a landing page to see which converts better. The funnels are set up exactly the same in terms of the goal completion URL and funnel steps, with one exception: the first step (which is a required step) has a different URL to represent each of the two landing pages. Unfortunately, Google is tracking a conversion for both of these goals regardless of which landing page a user is reaching! It looks like the "required step" is broken...perhaps it is a deeper issue if others haven't noticed it, such as it only not working when the goal URL is the same between multiple goals. Here is an example of what I mean. Goal 1: Goal URL: /users/dashboard (head match) Funnel: 1. /homepages/index1 (required step) 2. /users/register 3. /users/edit Goal 2: Goal URL: /users/dashboard (head match) Funnel: 1. /homepages/index2 (required step) 2. /users/register 3. /users/edit As you can see, the only difference is step #1 of the funnel. Since I am A/B testing the landing page of the site, this should be the only difference. However, when I look at the goal page of Google Analytics, I see that the goal is being recorded for both of these regardless of the landing page being reached. The only tinkering I've done is attempting to wrap each funnel step's goal in ^ and $ characters for an exact regular expression match, but this didn't make a difference. Thoughts?

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• What LPR arguments do I need to print a 1400x800 pixel image on a 4x6 label?

  - by Nick

  This is driving me nuts. UPS sends our system a 1400x800 GIF image of a shipping label, which is supposed to fit nicely on a 4x6 page. Unfortunately, I can't seem to get the command line options right to make it happen. We're using an Eltron/Zebra 2844 with a network adapter, and printing from our Ubuntu 8.04 server using CUPS. We're using the correct drivers, and test pages print correctly. No matter what I try though, it insists on printing the UPS labels accross 6 pages, with a little bit of the label on each page, or way too small. I've tried a bazillion different lpr settings, most of them producing garbage. The closest I've gotten is this: lpr -P Eltron2844 -o natural-scaling=55 -o page-right=0 -o page-left=0 -o landscape -o media="4x6" ./1ZY437560399620027.gif but it causes the image to be too small on the page. It's about an inch too short, and there's a 1/2" margin on both sides. If I bump the scale up to 56, it explodes the image onto two pages, and squashes it. Any ideas?

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• nginx won't serve an error_page in a subdirectory of the document root

  - by Brandan

  (Cross-posted from Stack Overflow; could possibly be migrated from there.) Here's a snippet of my nginx configuration: server { error_page 500 /errors/500.html; } When I cause a 500 in my application, Chrome just shows its default 500 page (Firefox and Safari show a blank page) rather than my custom error page. I know the file exists because I can visit http://server/errors/500.html and I see the page. I can also move the file to the document root and change the configuration to this: server { error_page 500 /500.html; } and nginx serves the page correctly, so it's doesn't seem like it's something else misconfigured on the server. I've also tried: server { error_page 500 $document_root/errors/500.html; } and: server { error_page 500 http://$http_host/errors/500.html; } and: server { error_page 500 /500.html; location = /500.html { root /path/to/errors/; } } with no luck. Is this expected behavior? Do error pages have to exist at the document root, or am I missing something obvious? Update 1: This also fails: server { error_page 500 /foo.html; } when foo.html does indeed exist in the document root. It almost seems like something else is overwriting my configuration, but this block is the only place anywhere in /etc/nginx/* that references the error_page directive. Is there any other place that could set nginx configuration?

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• Multiple redirects / rewrites within one VirtualHost group

  - by Benjamin Dell

  Hi, I have a client that now wants to point a couple of dozen urls to their main site. I have added them as serveralias's in the sites apache config file... so now all of these urls point to the primary one... excellent. The problem i have is that if ANY of these alias's are accessed at the root (i.e. www.domain.com rather than www.domain.com/some-page/) then i need to redirect them to a specific page within the site (i.e. anyone accessing domain.com might need to be sent to domain.com/special-landing-page/). However, any visit to anything other than the landing page should just continue as normal without any re-directs. I've been battling with this for a few hours and can't seem to find the best solution. Does anyone have any suggestions?

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• Free space on SSD (over provisioning) per disk or per partition?

  - by Horst Walter

  It is recommended to keep some percentage of an SSD free for relocation ( Is free space required on a SSD for performance? ). However, is this rule meant per partition or per disk (whole SSD)? So, if I want to keep 20% free for performance reasons, is it acceptable if one partition is 95% filled, while another is almost empty and the overall empty disk space still is 20. Or does each partition has to fulfill the rule of 20% empty space?

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• Take a screenshot of an entire webpage in Opera

  - by robertc

  Is there some tool within Opera, or possibly an add-on, which will let me take a screenshot of an entire web page? I usually use Screengrab to do this with Firefox, but in this situation I want a screenshot of the page as Opera renders it (because I want to show the page as rendered with HTML5 form controls like date and time). I am currently using Opera 10.60 x86_64 on Fedora 12, so solutions that work in browser would be preferable rather than external programs.

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• Redircting to a url that has a ? in it

  - by dkmojo

  I have a somewhat strange problem. A client has moved their site to Wordpress - cool no problem. They use a service for link exchanges that has a Wordpress plugin. The issue is that the new Links pages use a query string to display the correct content and I cannot figure out how to redirect the old URLs correctly. Old URLs look like this: domain.com/link/category-name.html The plugin makes them look like this in WP: domain.com/links/?page=category-name.html How in the world can I get the redirect to work properly? Here's what I have tried: Redirect 301 /link/actors.html http://www.artisticimages.biz/links/?page=actors.html Redirect 301 /link/actors.html http://www.artisticimages.biz/links/%3Fpage=actors.html Redirect 301 /link/actors.html http://www.artisticimages.biz/links/\?page=actors.html But none of those have worked. Any help is greatly appreciated!

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• What is Paging in memory management?

  - by Fasih Khatib

  I was just reading Operating System Principles by Silberschatz et al when I came across paging in memory management.I'm slightly confused about it. It states that Physical Memory(I assume it's RAM) is divided into frames, and logical memory is divided into pages. CPU generates logical addresses containing page number and an offset. This page number is used to retrieve the frame number from a page table which gives the base address so the physical address is calculated as base+offset. My question is: is the page table maintained for every process? I logically think that the answer would be yes as every process will need to map its own pages to frames. I may be wrong. Please clarify. Also: paging and segmentation(where 'holes' are created in memory) are two totally different techniques that are not used in combination. Correct?

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• Printing without breaking accross pages.

  - by jedberg

  I have a page with a bunch of HTML tables that I need to print. Each table should fit on one page, but both Firefox and Safari want to break them over multiple pages and put more than one on a page. Is there any way to force it to not break the tables across pages? I can use any Mac program to print. Thanks.

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