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  • Unreadable sectors reported by smartd, is it serious?

    - by stribika
    I have a RAID 5 array of 4 disks. In the last 2 days I began to see these messages in the log: Jun 13 23:01:05 localhost smartd[4537]: Device: /dev/sda [SAT], 1 Currently unreadable (pending) sectors Jun 13 23:01:05 localhost smartd[4537]: Device: /dev/sdb [SAT], 2 Currently unreadable (pending) sectors If I have 2 faulty disks then the array should not show all disks OK: md0 : active raid1 sdd1[3] sdb1[1] sdc1[2] sda1[0] 64128 blocks [4/4] [UUUU] Strangely there are no other problems just the log messages. I am worried because sda is new and I previously had problems with sdb. (Completely died but the guy who sold it to me fixed it somehow.) Am I in danger of losing data? What should I do now?

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  • Hardware specs for web cache

    - by Raj
    I am looking for recommendations for hardware specs for a server that needs to be a web cache for a user population of about 2,000 concurrent connections. The clients are viewing segmented HTTP video in bitrates ranging from 150kbps to 2mbps. Most video is "live" meaning segments of 2-10 secs each, of which 100 or so are maintained at a time. There are also some pre-recorded fixed length videos. How would I go about doing the provisioning calculation for such a server: What kind of HDD (SSD?), how many NICs how much RAM etc? I am thinking of using Varnish on Linux, all the RAM I can get my hands on, 2 CPUs with 6-8 cores each.

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  • using jQuery .animate to animate a div from right to left?

    - by Alex
    Hi, I have a div absolutely positioned at top: 0px and right: 0px, and I would like to use jquery's .animate() to animate it from it's current position to left: 0px. How does one do this? I can't seem to get this to work: $("#coolDiv").animate({"left":"0px"}, "slow"); Why doesn't this work and how does one accomplish what I am looking to do? Thanks!!

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  • How to store multiple scroll positions for scrolling div element depending on active View in MultiView (asp.net webform

    - by Spence
    confusing title but the best way I can put it. Basically I am currently using a single div with overflow:auto that contains different GridViews. The GridViews are swapped by using a MultiView with each indiviudal view containing a single GridView. I would like to be able to store the scroll position of each view so that I can set the div's scroll position depending on the view that will be switched to. Here is how my page is set up. <div id="scrollingDiv" style="height:100%; overflow:auto;"> <div id="gridWrap"> <asp:UpdatePanel ID="UpdatePanel1" runat="server" RenderMode="Inline"> <ContentTemplate> <asp:MultiView ID="MultiView1" runat="server"> <asp:View ID="view1" runat="server"> <asp:GridView ID="gridView1" runat="server"> </asp:GridView> </asp:View> <asp:View ID="view2" runat="server"> <asp:GridView ID="gridView2" runat="server"> </asp:GridView> </asp:View> </asp:Multiview> </ContentTemplate> </asp:UpdatePanel> </div> </div> So scrollingDiv will contain all the Views and will scroll for each one of the GridViews. To switch between views I have a drop down connected to an protected void DropDownList_SelectedIndexChanged(object sender, EventArgs e) { switch (DownList.SelectedItem.Value) { case "view1": MultiView1.SetActiveView(view1); break; case "view2": MultiView1.SetActiveView(view2); break; } } I have been looking around and can't quite find something specific to my case. I would like to be able to use just the one overflow div but would understand if I had to make a separate overflow div for each view. Any help would be great, Thanks.

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  • Is 10% too much for autogrow on a 4 GB sql server DB?

    - by ntsue
    I am getting the following error: 2011-03-07 21:59:35.73 spid64 Autogrow of file 'MYDB_DATA' in database 'MYDB' was cancelled by user or timed out after 16078 milliseconds. Use ALTER DATABASE to set a smaller FILEGROWTH value for this file or to explicitly set a new file size. I did some research, and I found that for large databases you should set autogrow to a fixed size (MB), and not to a percentage. I feel like this database is not large and I may not be addressing the correct issue by changing this value. Does anyone have any opinions? Thank you! EDIT: I should have specified SQL Server 2008 RC2 running on Windows Server 2008

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  • appending images into center inside div using jquery

    - by text
    I am using crossSlide jquery plugin for my slideshow. My container is bigger than the images inside it so the tendency of the images is positioned into left. Is there a way to position them centered to the container? here's the sample site using crosSlide since i don't have a website to upload my sample page. http://www.hashbangcode.com/blog/crossslide-jquery-plugin-test-348.html

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  • As a programmer, what are some telltale signs that you're about to get fired or laid off?

    - by plaureano
    If you have ever been fired from a job, did you notice anything different about the behavior of your peers or upper management just before your termination? What are some common signs to look for among your coworkers and project manager(s) that would indicate your position is severely at risk? EDIT: My instincts were right, and I opted to resign rather than face termination. I guess when you have that "gut feeling" that something is about to happen, it's a strong sign that you should be heading for the exit...

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  • How to make a dropdown list such that... (see details)

    - by daysandtimes
    I want to plot the stock prices of certain companies VS the S&P500. I have all the price data downloaded in my excel sheet already. I want to create a line graph in Excel. One line is fixed and that would be the S&P500, and the other would be the company I select. I know how to use data validation to create a dropdown list, but how could I make it in such a way that when I select company A, I would only see company A's price data but not company B, C, etc. Then when I select company B, I would only see company B's price data & the S&P price data. And so on. The S&P line will be visible all the time, but the various company's price line will only appear if it is selected. Is there any easy way to normalize all sets of data in a way such that the starting point is always 100?

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  • Flip Vertices Array

    - by James
    Hi, I have an array of position vertices that make up a 2D polygon. Vector2[] _chassisConcaveVertices = { new Vector2(5.122f, 0.572f), new Vector2(3.518f, 0.572f), new Vector2(3.458f, 0.169f), new Vector2(2.553f, 0.169f), new Vector2(2.013f, 0.414f), new Vector2(0.992f, 0.769f), new Vector2(0.992f, 1.363f), new Vector2(5.122f, 1.363f), }; What algorithm can I use to modify the positions so the resultant polygon is flipped? I need to flip the polygon both horizontally and vertically.

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  • Move an object in the direction of a bezier curve?

    - by Sent1nel
    I have an object with which I would like to make follow a bezier curve and am a little lost right now as to how to make it do that based on time rather than the points that make up the curve. .::Current System::. Each object in my scene graph is made from position, rotation and scale vectors. These vectors are used to form their corresponding matrices: scale, rotation and translation. Which are then multiplied in that order to form the local transform matrix. A world transform (Usually the identity matrix) is then multiplied against the local matrix transform. class CObject { public: // Local transform functions Matrix4f GetLocalTransform() const; void SetPosition(const Vector3f& pos); void SetRotation(const Vector3f& rot); void SetScale(const Vector3f& scale); // Local transform Matrix4f m_local; Vector3f m_localPostion; Vector3f m_localRotation; // rotation in degrees (xrot, yrot, zrot) Vector3f m_localScale; } Matrix4f CObject::GetLocalTransform() { Matrix4f out(Matrix4f::IDENTITY); Matrix4f scale(), rotation(), translation(); scale.SetScale(m_localScale); rotation.SetRotationDegrees(m_localRotation); translation.SetTranslation(m_localTranslation); out = scale * rotation * translation; } The big question I have are 1) How do I orientate my object to face the tangent of the Bezier curve? 2) How do I move that object along the curve without just setting objects position to that of a point on the bezier cuve? Heres an overview of the function thus far void CNodeControllerPieceWise::AnimateNode(CObject* pSpatial, double deltaTime) { // Get object latest pos. Vector3f posDelta = pSpatial->GetWorldTransform().GetTranslation(); // Get postion on curve Vector3f pos = curve.GetPosition(m_t); // Get tangent of curve Vector3f tangent = curve.GetFirstDerivative(m_t); } Edit: sorry its not very clear. I've been working on this for ages and its making my brain turn to mush. I want the object to be attached to the curve and face the direction of the curve. As for movement, I want to object to follow the curve based on the time this way it creates smooth movement throughout the curve.

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  • How Do I Parse a String?

    - by Russ
    I am new to bash, and I am creating a script that loops through the files in a directory and based on part of the filename, does something with the file, so far I have this: #!/bin/bash DIR="/Users/me/Documents/import/*" for f in "$DIR" do $t=?????? echo "Loading $f int $t..." done so $f will output something like this: /Users/me/Documents/import/time_dim-1272037430173 out of this, I want time_dim, the directory can be variable length and -1272037430173 is a fixed length (it's the unix timestamp btw). What is the best way to go about this?

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  • Div / CSS / ZIndex - how to overlap pictures?

    - by Kovu
    Hi, I have 5 pictures, and I will overlap these 5. I read a lot of HowTo CSS / Div and overlapping, but I didn't get it at all. I have a normal 500 width div container as "content" filler. Into this div, I will have 5 pictures that are overlapping each other. I try all "position:", but nothing fills what I want.

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  • JavaScript regular expressions to validate string

    - by Activist
    I'm not that good with regular expressions... I need a JavaScript regular expression that will do the following: The string can contain letters (upper and lower case), but not punctuations such as éàïç... The string can contain numbers (0..9) anywhere in the string, except on the first position. The string can contain underscores (_). Valid strings: foo foo1 foo_bar fooBar Invalid strings: 1foo -- number as first character foo bar -- space föo -- punctuation ö Many thanks!

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  • Opening notebooks

    - by Plastkort
    I have a Compaq CQ40 which has a defective CPU fan, it seems unable to cool the notebook enough at this time, it is constantly running, and if you move the pc up/down to look under it, it makes some sort of chainsaw sound. I have tried to take out all the screws underneath, but I still have a problem with the plastic cover on the above; I am afraid I might break it since it seem to be connected with plastic clips underneath. I have fixed notebooks before, but this one seem new, how can I open the plastic cover above without breaking it? Any advice, tips and tricks would be so nice to have, not only for this notebook, but any future notebook also I might need to repair. It would be nice if anyone here knows a place with video tutorials on this subject as well.

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  • MacPorts on mountain lion - cannot install apache2 due to gettext package

    - by jancha
    I have been having problem with installing gettext package from macports. When I am launching /opt/local/bin/port -v install apache2 it checks dependencies, and continues with gettext package installation. But the configure process freezes here: checking for egrep... /usr/bin/grep -E and nothing happens.. can wait hours, nothing changes. I tried to configure, make, make install manually for that package and it went all fine. But, when same configure is launched by ports, it hangs there. Question: 1) How can that be fixed? 2) Maybe I can somehow manually tell ports, that I installed that gettext package manually already? Sorry, if wrong "site" for this question. Felt most proper one.

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  • Windows XP doesn't like small subnets?

    - by erniedwork
    This totally sounds like a bug to me, because my subnet mask and IP address should be valid by all accounts. My ISP has assigned me a fixed IP address of 65.110.7.20, with a subnet mask of 255.255.255.252. Which sounds about right, because we're trying to set up a router with a /31 network - just 4 ip addresses. But when I try to set this IP and netmask up in Windows XP, I get the following error: "The combination of IP address and subnet mask are invalid. All of the bits in the host address portion of the IP address are set to 0." But they're not all set to 0. That would be a subnet mask of 255.255.255.255. Even then, that too is a valid subnet mask, consisting of a network of 1 IP address. Is there a way around this? A registry hack maybe?

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  • E: The package adobe-flashplugin needs to be reinstalled, but I can't find an archive for it. Ubuntu 9.10

    - by Paikkos
    I had some problems with amarok player, I couldn't get any sound from it. Anyway, I fixed it somehow, from terminal, with some packages, after a couple of reboots, now I have problem with the adobe-flashplugin. I'm trying this in terminal but: sudo apt-get install adobe-flashplugin Reading package lists... Done Building dependency tree Reading state information... Done E: The package adobe-flashplugin needs to be reinstalled, but I can't find an archive for it. I also tried the update manager, but I get something about partial upgrade but that thing also isnt working, and I get a message that I have to install it manually or I remove it completely. So, how can I remove it completely and then I will install it clean again from the beggining?

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  • Fastest way to get array of NSRange objects for all uppercase letters in an NSString?

    - by Bama91
    I need NSRange objects for the position of each uppercase letter in a given NSString for input into a method for a custom attributed string class.  There are of course quite a few ways to accomplish this such as rangeOfString:options: with NSRegularExpressionSearch or using RegexKitLite to get each match separately while walking the string.  What would be the fastest performing approach to accomplish this task?

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  • Permissions issue on Fedora with separate home partition

    - by Tres
    I am running Fedora 12 and I've setup a partition separate from my root partition to keep shared files and home directories. Now, I've been having permission issues where it says the user cannot chdir into their home directory (/files/home/*). Now, I fixed this originally by chmodding / to 0755 and the home directories also to 0755. And yes, the user is the owner:group of their home directory. Now get this, I didn't change a thing, rebooted, everything still works. Great, right? I boot the server up a day later, and now same ol issue. This is a home server that wasn't on at all at any point in between the working state and non-working state. Also, nothing else was modified. Any ideas? Thanks!

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  • Create a dataset: extract features from text documents (TF-IDF)

    - by BigG
    I've to create a dataset from some text files, writing them as vectors of features. Something like this: doc1: 1,0.45 6,0.001 94,0.1 ... doc2: 3,0.5 98,0.2 ... ... each position of the vector represent a word, and the score is given by something like TF-IDF. Do you know some library/tool/whatever for this? (java is better)

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  • Installing drivers and getting -> Error Code 28

    - by Adrov
    I've recently upgraded mainboard, without reinstalling OS, so I guess that's the issue. I really don't want to install OS at this moment. Issue is I can't install USB drivers, if I right-click uninstall, just installs same driver, which isn't working ofc. and giving error code 28. I fixed such issue once long long time ago, with editing registry, but I really can't remember what and where I have to do, so if anyone know please let me know, I'm also open to all other solutions to this issue. http://i.stack.imgur.com/AuBtB.png

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  • SQL query to remove text within parentheses?

    - by Josh Fraser
    What is the best SQL query to remove any text within parenthesis in a mySQL database? I'd like something that works regardless of the position of the parenthesis in the text (beginning, middle, end, whatever). I don't care about keeping the text inside the parenthesis, just removing it. Thanks!

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  • IE6 positioning issue

    - by Ralph The Mouf
    Here is the CSS...how can I make it layout as it should in IE6? .AuthorName_Pic { width:186px; position:absolute; right:0px; bottom:-120px; padding:20px 10px 20px 15px; margin:20px 0px 0px 0px; background:url(images/ThumbDark.jpg) no-repeat; z-index:100; }

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