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• Why are intermittent pages disappearing from SERPs?

  - by Beebee

  I have a very basical informational site with about 50+ pages. Specifically, there is a page about each site. I have been tracking pages daily for months and they have been streadily increasing in the SERPs. Suddenly, about 3-4 weeks ago, about 20 pages were completely missing from the SERPS, though they were still indexed (I could google a specific text from the page in quotes and it would appear). Since then, pages have been added and removed from SERPs continually, cutting my traffic by about 50%. All I have been adding is information about the sites topic. I haven't stolen content or done anything else that seems like it would cause this.

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• AWR Performance Report and Read by Other Session Waits

  - by user702295

  For the questions regarding "read by other session" and its relation to "db file sequential/scattered read", the logic is like this: When a "db file sequential/scattered read" is done, the blocks are either already in the cache or on the disk.  Since any operation on blocks is done in the cache and since and the issue is "read by other session" I will relate to the case the blocks are on the disk. Process A is reading the needed block from the disk to the cache.  During that time, if process B (and C and others) need the same block, it will wait on "read by other session".  A and B can be threads of the same process running in parallel or unrelated processes.  For example two processes doing full table scan on mdp_matrix etc. Solutions for that can be lowering the number of processes competing on the same blocks, increasing PCTFREE.  If it is a full table scan, maybe an index is missing that can result in less blocks being read from the cache and so on.

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• How to send packets via a pptp vpn tunnel?

  - by Phill

  I'm trying to send certain port traffic through my ppp0 interface it's a pptp vpn tunnel, First, I'm using a wireless usb interface, I connect up to my access point, then I initiate my vpn, there is a connection but I do not channel all connexions through that, nor do I want to, so, say I want to channel all port 80 packets through my vpn (interface dev ppp0). I first run: iptables -t mangle -A OUTPUT -p tcp --dport 80 -j MARK --set-mark 0xa to mark the correct packets then I add a table named vpn_table, I then add ip route add default dev ppp0 table vpn_table when I do that traffic begins to dribble through the ppp0, but no pages load. I supose I must have caused some sort of coflict, or the route I'm adding in vpn_table isn't quite right. I'm not sure, I think I'm marking the packets correctly but I can't be sure of that either. UPDATE: I think i've got part of the issue solved: running tcpdump -i ppp0 showed me that indeed there was outgoing requests via ppp0, now, there is never a response, and pages do not load with using that interface..i'm still missing something.

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• Is paying programmers to "test" for bugs normal? [on hold]

  - by user106277

  I recently hired a programming team to do a port of my iPad app to the iPhone and Android platforms. I also wanted them to implement a bunch of tips on how to play the app, similar like you would find in Candy Crush or Cut the Rope. They want to charge 12 hours @ $35/hr for the "Testing all of the Tips", telling me that normally it would take them more than 25 hours but that they will 'bear the difference'. I have never heard of this, but maybe it's a new practice? I am used to devs doing their own quality control, and then having a testing/acceptance period... Am I missing something? Thanks for any help and advice you can give!

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• 403 forbidden error when I attempt to install an ssh server

  - by vino suryono

  I have a problem when I try installing ssh-server on ubuntu 14.04 lts. What I've done: sudo apt-get update == succeed. sudo apt-get upgrade == succeed. sudo apt-get install ssh == failed. Notification that I got: Err http://archive.ubuntu.com/ubuntu/ trusty-update/main openssh-sftp-server i386 1:6.6p1-2buntu2 403 forbidden E: failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/o/openssh/openssh-sftp-server_6.6p1-2ubuntu2_i386.deb 403 forbidden E: Unable to fetch some archive, maybu run apt-get update or try with --fix-missing ?

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• problem with grub-efi

  - by Jesper

  I am installing ubuntu on my MacBook, following the instructions here: http://www.rodsbooks.com/ubuntu-efi/index.html Everything has gone well so far. But I have now come to number 19. The cd with GRUB2 is in the drive, but when I type 'sudo apt-get install grub-efi' it says: package grub-efi is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source However the following packages replace it: grub2-common grub-common The Grub iso I downloaded and burned was this one: http://forja.cenatic.es/frs/download.php/1381/super_grub_disk_hybrid-1.98s1.iso

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• cannot rename files when saving

  - by Botond Vajna

  I am using xubuntu 13.10. Since the last update, when I am saving files I cannot rename other files, there are missing buttons in context menu like rename, cut, copy, etc... let`s say I edited the file named style.css in firefox, and I want to save it, but i do not want to overwrite the original, I want to rename the original for ex: style_orig.css and save the edited file with the name style.css. for doing that I must open thunar, navigate to that file, and rename it, after that, I can save the file from firefox. let`s reformulate this question: if I want to overwrite a file, but preserve the original, then I must make a copy of the original. Well, I can not do this when saving the file from the application, I must open thunar and navigate to that file which is an additional task I have to do. It`s a waste of time.

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• Aser Aspire 3690 WIreless Not working, new Ubuntu user

  - by drew

  I don't know that much about Ubuntu, but I put it on an Acer Aspire 3690 Laptop (replaced Win Vista). Everything seems to work fine, but the wireless connection. It says "FIRMWARE MISSING". It detects that I have a wireless card, so I don't know what to do. I've already used the "ADDITIONAL DRIVERS" thing, and that didn't work. I've googled and have not found anything helpful. I don't really know what I'm doing, so can your directions please be kindergarden level? Thank you very much for any help you can provide. I really appreciate it.

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• how to integrate plastic scm with jira? [closed]

  - by bilal fazlani

  I am trying to migrate from VSS to Plastic SCM and want to use it with JIRA. I have reached this far. http://i.stack.imgur.com/h1wSw.png I tried referring to their help documentation. but that did not help. Does someone know how to link a new branch to an issue in JIRA ? I tried to giving same name to Issue and Branch. That din't work. If the Issue key is : "DEMO-7", what should be the "Branch Prefix" & "Branch Name" in Plastic SCM ? I am sure I am missing something.

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• Is there a difference between "." and "source" in bash, after all?

  - by ysap

  I was looking for the difference between the "." and "source" builtin commands and a few sources (e.g., in this discussion, and the bash manpage) suggest that these are just the same. However, following a problem with environment variables, I conducted a test. I created a file testenv.sh that contains: #!/bin/bash echo $MY_VAR In the command prompt, I performed the following: > chmod +x testenv.sh > MY_VAR=12345 > ./testenv.sh > source testenv.sh 12345 > MY_VAR=12345 ./testenv.sh 12345 [note that the 1st form returned an empty string] So, this little experiment suggests that there is a difference after all, where for the "source" command, the child environment inherits all the variables from the parent one, where for the "." it does not. Am I missing something, or is this is an undocumented/deprecated feature of bash? [ GNU bash, version 4.1.5(1)-release (x86_64-pc-linux-gnu) ]

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• Would learning any (linguistic) language imparticular further your programming career?

  - by Anonymous

  It seems apparent that English is the dominant international language for programming (in the West, at least!) based on previous P.SE questions. Or maybe not, given that a highly upvoted comment correctly points out that asking a question like that on a predominantly English site will skew the results. This question is about whether there is a benefit in learning a foreign language for software development. For example, do the Chinese have completely different software tools, langugages, technologies etc? How about Japanese, Russian, and other non-latin based languages? Am I/are we missing an entire world of software development languages, tools and so on that only exist in these other languages? Or do people that know these languages still learn and program using the tools and languages we all know and love?

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• LazyTruth Puts Fact Checks Email Forwards Right in Your Inbox

  - by Jason Fitzpatrick

  If you get a lot of forwards from well meaning relatives and want to instantly and effortlessly verify their content, LazyTruth is a Chrome extension that fact-checks forwarded emails in Gmail. It’s a rather novel concept: install LazyTruth and anytime you get a forwarded email you’re one click away from instant fact checking. LazyTruth checks keywords in the email against FactCheck.org and Politifiact (Snopes.com missing seems like a big oversight, hopefully they’ll be adding it soon). LazyTruth is currently Gmail/Chrome only. Hit up the link below to grab a copy. LazyTruth [via O'Reilly Radar] How To Delete, Move, or Rename Locked Files in Windows HTG Explains: Why Screen Savers Are No Longer Necessary 6 Ways Windows 8 Is More Secure Than Windows 7

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• Is there a simpler way to create a borderless window with XNA 4.0?

  - by Cypher

  When looking into making my XNA game's window border-less, I found no properties or methods under Game.Window that would provide this, but I did find a window handle to the form. I was able to accomplish what I wanted by doing this: IntPtr hWnd = this.Window.Handle; var control = System.Windows.Forms.Control.FromHandle( hWnd ); var form = control.FindForm(); form.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None; I don't know why but this feels like a dirty hack. Is there a built-in way to do this in XNA that I'm missing?

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• Effects to make a speeding spaceship look faster

  - by Badescu Alexandru

  I have a spaceship and I've created a "boost" functionality that speeds up my spaceship, what effects should I implement to create the impression of high speed? I was thinking of making everything except my spaceship blurry but I think there would be something missing. Any ideas? Btw. I am working in XNA C# but if you aren't familiar to XNA describing some effects is still useful. The Game is 3d and i've attached some printscreens of the game This is in normal mode ( none boosted ) and here is the boosted mode ( the craft speeds up forward while the camera speeds in its normal speed , the non boosted speed )

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• unable to add/remove program in Ubuntu 12.04 LTS?

  - by Manish Kumar Chauhan

  ** my problem is as following: unable to add/remove any program using either update-manager or Synaptic Package Manager or terminal update-manager is asking for partial upgrade and while updating software-center 5.6.2 catalog , there is no progress beyond the line "this is may take a moment" synaptic is unable to obtain an exclusive lock, similarly can't do terminal command sudo apt-get update if i try to break down the lock using the command sudo fuser -cuk /var/lib/dpkg/lock; sudo rm -f /var/lib/dpkg/lock it turns off my monitor display and i have to restart the whole system. note: this whole trouble started ,when i found ubuntu software-center missing after adding a repository and reinstalled it. **

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• for a blog with posts and categories what are all the best ways to create user friendly and seo friendly urls

  - by Jayapal Chandran

  I am creating a module in my website which displays ringtones. it is like creating blog posts and categories It will have categories(tags) and posts. (i am using category and tag interchangeably) i am using the following linking for this module sitename.com/blog sitename.com/blog/category/category-name-slug/ - will list all ringtones of that category/tag sitename.com/blog/title/name-slug-of-the-ringtone/ - this will display the details and a download link in all page at the left i display the category/tag . This is how i have formed the url structure. it will be user friendly i hope yet will it be seo friendly? Please hint if i am missing something or other ways to improve. meanwhile i am browsing the net to get more information on linking content (categorizing) and to find best ways for the user and search engine.

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• Why does my display keep turning off every 10 minutes?

  - by George Edison

  I have installed Ubuntu 11.10 (Oneiric) in VirtualBox as well as virtualbox-guest-additions . The display resolution adapts to the size of the window as expected, but the display turns off after 10 minutes of inactivity. Thinking there was some sort of power management issue at play, I went to Power in the settings dialog: There doesn't really seem to be anything there that mentions "turn off display after xxx minutes" so I assume everything is configured correctly there. Next I went to Screen and found an option there "Turn off after:". Aha! I thought. Now I have found the option - but alas: even after setting it to "never" and restarting multiple times, the display still shuts off after 10 minutes. What am I missing? What option am I overlooking?

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• How do functional languages handle random numbers?

  - by Electric Coffee

  What I mean about that is that in nearly every tutorial I've read about functional languages, is that one of the great things about functions, is that if you call a function with the same parameters twice, you'll always end up with the same result. How on earth do you then make a function that takes a seed as a parameter, and then returns a random number based on that seed? I mean this would seem to go against one of the things that are so good about functions, right? Or am I completely missing something here?

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• XFCE ~ Volume Hot Keys Not Working

  - by fleamour

  Just installed vanilla Xubuntu 12.04 LTS & updated on a ThinkPad E325 with Conexant CX20671 sound card. I notice volume hot keys work under Xubuntu DE but not XFCE. You can summon sound settings under Xubuntu but they are missing under XFCE. Also sound bar is greyed out though sound will still function. Muting/decreasing/increasing volume with hot keys has no effect. Is there a workaround? If not what package would I report a bug against?

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• Configuring Eclipse Xubuntu 12.04

  - by kyng

  Just installed Eclipse 3.7.1 on my xubuntu 12.04. I used to have eclipse installed on my 10.04. You could choose new java project, java source files etc. but this version doesn't have these options. If i make a .java file, it's just plane text, no highlighting and no chance to compile. I have installed eclipse-jdt. I looked https://help.ubuntu.com/community/EclipseIDE this manual. It tells to modify /etc/eclipse/java_home file but there is no such file on my system, just eclipse.ini. Am i missing a step here or have i encountered some sort of a bug?

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• How do I install the btrfs-restore utility on 12.04?

  - by MountainX

  I would like to install btrfs-restore on Kubuntu 12.04 apt-cache search btrfs-restore returns nothing. Google "ubuntu download OR install btrfs-restore" returns nothing useful. Also, where do I get btrfs help? I'm not getting any replies on #btrfs on freenode.net. (Correction: I was too impatient. #btrfs was very helpful!) UPDATE: the previously accepted answer no longer works, so I unselected it as the answer. The PPA dmitrij.ledkov/ppa is missing now. Thanks to Pkunk at #btrfs, I posted a new solution below.

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• Problem with MVC3 application

  - by Pravin Patil

  I am working on MVC3 application. I use entity framework, NInject, Fluent Validation and some more Nuget packages. I am using Tortoise SVN for versioning. Recently I changed the structure of my SVN repository, so my working copy of MVC3 app was moved to some different folder in the repository. Now when I checked out the copy from SVN, all the references that I had added through Nuget were lost(EF, NInject and rest nuget packages were showing yellow missing icon in references). This had happened to me prior to this also, when I tried to check out the app from svn to some other folder. I had to manually add all the references again through Nuget again. Am I doing anything wrong? Please guide. I hope I could explain my problem properly.

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• Is Java free/open source or it isn't?

  - by user1598390

  On November 13, 2006, Sun released much of Java as free and open source software, (FOSS), under the terms of the GNU General Public License (GPL). On May 8, 2007, Sun finished the process, making all of Java's core code available under free software/open-source distribution terms, aside from a small portion of code to which Sun did not hold the copyright. OpenJDK (Open Java Development Kit) is a free and open source implementation of the Java programming language. It is the result of an effort Sun Microsystems began in 2006. The implementation is licensed under the GNU General Public License (GNU GPL) with a linking exception. Why there are still people that say Java is not open source or free as in free speech ? Am I missing something? Is Java still privative ?

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• Ubuntu 12.04: Unity stuck in 2D. Compiz crashes

  - by JohnK.

  I have been trying to get Unity to work in 3D and hardware wise there should be no problem. I have the 310.14 NVIDIA driver and am using a GTX660-Ti card. Output of: unity --replace Checking if settings need to be migrated ...no Checking if internal files need to be migrated ...no Backend : gconf Integration : true Profile : unity Adding plugins Initializing core options...done compiz (core) - Fatal: No composite extension compiz (composite) - Error: initScreen failed compiz (core) - Error: Couldn't activate plugin 'composite' compiz (core) - Error: Plugin 'composite' not loaded. compiz (core) - Error: InitPlugin 'opengl' failed compiz (core) - Error: Couldn't activate plugin 'opengl' compiz (core) - Error: Plugin 'composite' not loaded. compiz (core) - Fatal: No composite extension compiz (core) - Fatal: No composite extension Segmentation fault (core dumped) What am I missing to get this working?

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• How can I switch between fglrx and ati drivers?

  - by Santa Maradona

  Hi there, How can I switch between fglrx and ati (open source) drivers without uninstalling fglrx? The thing is I'm using FGLRX on a daily basis, because it's better for movies--OS driver displays annoying horizontal line while playing movies. FGLRX also does this, but it's less visible. That's only disadvantage of OS driver. When I want to plug in external monitor with different resolution than my laptop's LCD I have to use open source driver, because FGLRX can't display two different resolutions at the same time. I can uninstall FGLRX, but it's rather inconvenient to do this all the time. I've noticed that when I'm using FGLRX there is xorg.conf file and when I uninstall it, then the file is missing. So my question is how to switch between them? It'll be perfect if I could do this without restarting my computer either. I'm using Ubuntu 10.10, laptop/netbook MSI U250.

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