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Zero-channel RAID for High Performance MySQL Server (IBM ServeRAID 8k) : Any Experience/Recommendation?

- by prs563

We are getting this IBM rack mount server and it has this IBM ServeRAID8k storage controller with Zero-Channel RAID and 256MB battery backed cache. It can support RAID 10 which we need for our high performance MySQL server which will have 4 x 15000K RPM 300GB SAS HDD. This is mission-critical and we want as much bandwidth and performance. Is this a good card or should we replace with another IBM RAID card? IBM ServeRAID 8k SAS Controller option provides 256 MB of battery backed 533 MHz DDR2 standard power memory in a fixed mounting arrangement. The device attaches directly to IBM planar which can provide full RAID capability. Manufacturer IBM Manufacturer Part # 25R8064 Cost Central Item # 10025907 Product Description IBM ServeRAID 8k SAS - Storage controller (zero-channel RAID) - RAID 0, 1, 5, 6, 10, 1E Device Type Storage controller (zero-channel RAID) - plug-in module Buffer Size 256 MB Supported Devices Disk array (RAID) Max Storage Devices Qty 8 RAID Level RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID 1E Manufacturer Warranty 1 year warranty

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How to write JavaScript to a separate window?

- by George Edison

I have opened a new window with JavaScript: var newwin = window.open('','preview','width=600,height=500'); Now I want to write some JavaScript to the window: newwin.document.write("<script type='text/javascript'>alert('Hi!');<" + "/script>"); newwin.document.close(); However, the script never gets executed. Am I doing something wrong?

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Simulate analogue steering wheel input from third party software like xPadder

- by David Jensen

So. I currently have a steering wheel connected to my htpc. Since it wont work / get recognized by all games i play. I use xpadder to play for example Grid 3. As far as i have understood, it simply presses the associated arrow key when i turn the wheel. What i would like, is a software to simulate more and more frequent key presses of the arrow keys the more i turn the wheel. Example: Tilting a little - 100 presses / second Tilting more - 200 presses / second Tilting max - Hold down key Because what i currently do with the wheel is constantly shaking it a bit right, when i just want to turn a little bit right and so on. Os : W8

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Driver for writing to UDF partitions from Windows XP?

- by davr

I'm considering using an UDF partition to share data between Windows XP, 7, and Linux. It's more efficient than FAT32, and avoids the 4GB max file size limit. I've found it will also work with Mac OS X, more details in this questions. However, in Windows XP, it is read-only. I'd like to write to it too. Are there any drivers that will allow this? I've found a few that support writing UDF...but they are designed for writing to CDs or DVDs, not specifically for HDDs or USB Flash drives: DLA, InCD, Drag-To-Disc. Will any of those 3 drivers work for HDDs/USB Flash drives? Or is there another driver that will do what I want? Thanks.

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What's the new method for setting defaults for jQuery UI's dialog?

- by Darryl Hein

I've been using the following in UI 1.7, but it doesn't work in 1.8 any more: $.extend($.ui.dialog.defaults, { modal: true, bgiframe: true, autoOpen: false, width: 500, height: 400, minWidth: 500, minHeight: 400 }); Is there a new method?

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How to convert a 32bpp image to an indexed format?

- by Ed Swangren

So here are the details (I am using C# BTW): I receive a 32bpp image (JPEG compressed) from a server. At some point, I would like to use the Palette property of a bitmap to color over-saturated pixels (brightness 240) red. To do so, I need to get the image into an indexed format. I have tried converting the image to a GIF, but I get quality loss. I have tried creating a new bitmap in an index format by these methods: // causes a "Parameter not valid" error Bitmap indexed = new Bitmap(orig.Width, orig.Height, PixelFormat.Indexed) // no error, but the resulting image is black due to information loss I assume Bitmap indexed = new Bitmap(orig.Width, orig.Height, PixelFormat.Format8bppIndexed) I am at a loss now. The data in this image is changed constantly by the user, so I don't want to manually set pixels that have a brightness 240 if I can avoid it. If I can set the palette once when the image is created, my work is done. If I am going about this the wrong way to begin with please let me know. EDIT: Thanks guys, here is some more detail on what I am attempting to accomplish. We are scanning a tissue slide at high resolution (pathology application). I write the interface to the actual scanner. We use a line-scan camera. To test the line rate of the camera, the user scans a very small portion and looks at the image. The image is displayed next to a track bar. When the user moves the track bar (adjusting line rate), I change the overall intensity of the image in an attempt to model what it would look like at the new line rate. I do this using an ImageAttributes and ColorMatrix object currently. When the user adjusts the track bar, I adjust the matrix. This does not give me per pixel information, but the performance is very nice. I could use LockBits and some unsafe code here, but I would rather not rewrite it if possible. When the new image is created, I would like for all pixels with a brightness value of 240 to be colored red. I was thinking that defining a palette for the bitmap up front would be a clean way of doing this.

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Windows Vista MAK keys and Volume Licensing..

- by Physikal

So when I go into the Volume Licensing Service Center and review our current used/available MAK activations, it says #/50. (the # being the number of our currently used). What I'm curious about, so far we only put vista on like 10 of our boxes. But over time, if we format a machine for some reason, then activate it, I'm assuming it will then in a way consume 2 keys? So what happens when we max the 50? Does that mean we have to fork over some more cash to M$? If so that's pretty lame.

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How to align this div contents properly?

- by Pandiya Chendur

Here is my layout, I am using one div and many spans for getting the above view... Look at all the rows ther are not properly aligned... <div class="resultsdiv"><br /> <span style="width:200px;" class="resultName">' + employee.Emp_Name + '</span> <span class="resultfields" style="padding-left:100px;">Category :</span>  <span class="resultfieldvalues">' + employee.Desig_Name + '</span><br /><br /> <span id="SalaryBasis" class="resultfields">Salary Basis :</span> <span class="resultfieldvalues">' + employee.SalaryBasis + '</span> <span class="resultfields" style="padding-left:25px;">Salary :</span> <span class="resultfieldvalues">' + employee.FixedSalary + '</span> <span style="font-size:110%;font-weight:bolder;padding-left:25px;">Address :</span>  <span class="resultfieldvalues">' + employee.Address + '</span> </div> and my css are .resultsdiv { background-color: #FFF;border-top:solid 1px #ddd; height:50px; border-bottom:solid 1px #ddd; padding-bottom:15px; width:450px; } .resultseven { background-color: #EFF1f1; } .resultshover { background-color: #F4F2F2; cursor:pointer; } .resultName { font-size:125%;font-weight:bolder;color:#476275;font-family:Arial,Liberation Sans,DejaVu Sans,sans-serif; } .resultfields { font-size:110%;font-weight:bolder;font-family:Arial,Liberation Sans,DejaVu Sans,sans-serif; } .resultfieldvalues { color:#476275;font-size:110%;font-weight:bold;font-family:Arial,Liberation Sans,DejaVu Sans,sans-serif; } Any suggestion to get it aligned properly.... Should i use divs insted of spans to get this properly aligned...

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jQuery - resizable + draggable, the scrolling(left,top) is not added

- by CezarisLT

I have a problem with a dragging and resizable box. It works fine, drags and rezises fine, but i have a container that holds these elements and as soon as I trigger an overflow and attempt to rezise the div it fails and resets backs to container width. http://jsfiddle.net/JTTYM/26/ It seams as the this.scrollLeft and this.scrollTop are not included on drag. Can someone please help me with this? Thank you in advance.

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Script/ Macro in Excel, by clicking on a cell

- by Noob Doob

There's something I want to do in Excel 2010. Specifically, I want to be able to make the open sheet load data from a text file, by clicking -important- on a cell of the current open worksheet. So my specific needs are: If it is possible in some way, to start a macro/script by clicking on a cell. About the script/macro: What would be the preferable, by your opinion, way of implementation. And more specifically, how to automatically import the data needed, only by clicking, without having to continually specify the desirable .txt file each time, only 1 time at max, at start or by using a custom "initalization/configuration" file.

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Only allow access of FIle From embed.

- by KyleT

Hey All, So I am embedding a PDF file on my page: <embed src="http://www.mywebsite.com/files/ebook.pdf" width="500" height="375"> Is there anyway to prevent any and all access to that file except for when it is being accessed via this embed? Thanks!

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Slow download speeds on MacBook Pro

- by Austin

Just as the title says, I am getting very low download speeds on my MacBook Pro. I did a speed test at speedtest.net, and am getting 7 MbPS down, .5 up. However, I can only seem to get 270 KB PS max (averaging 100 K), whether on my school's network or on my home network, wired or wireless. I am on Mac OS X 10.5.8, with Google Chrome. My ethernet settings (under System Preferences - Network - Ethernet Connection - Advanced - Ethernet) are set to "Configure Automatically", "Speed: 100TX", "Duplex: full-duplex, flow-control", and "MTU: Standard (1500)". As far as I can tell, there are no throttles or anything between here and the ISP, so... Any ideas on why I'm getting such low download speeds?

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Nginx Static Content Server Maxing Out?

- by Harry

I use nginx to serve the static content for a decently busy website of mine. I have the logging disabled, and 4 worker processes enabled with 5,000 connections per worker (which should yield a max connection limit of 20,000. The server is only operating at about 10% CPU usage and 50% ram, but it's very laggy, and sometimes nginx is so slow to respond to the requests, it times out. For a small number of connections, it's fine, but once any load starts occurring (~2,500 connections), it backs up and bogs down. Is there any other bottlenecks or limits that I might be hitting? This is a FreeBSD server, and all the static files are located locally (not NFS). The NIC is an unmetered gigabit, and it's only using around 75 megabit. Any insight would be appreciated. Thanks.

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Facebook Like-button problem

- by David

Hi there, I'm using this code to implement the like button <fb:like layout="button_count" show_faces="false" width="450"></fb:like> But when I try to click it the counter is increased for about 1 second and then it goes back to zero again. I can't see on my facebook profile that i've liked something either. Someone have a solution for this? I'm using the newest JavaScript SDk in an Google App engine/ Django environment.

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Delphi - Why does ExplicitWidth and ExplicitHeight keep appearing in .DFM files and what is it!?

- by Pauk

We've noticed that when checking in updates that our .DFM files have had ExplicitWidth and ExplicitHeight properties added for what appears to be no particular reason. My two questions are, what are they for and why do they get automatically added by Delphi? Below is an example with the property in: object Splitter2: TcxSplitter Left = 0 Top = 292 Width = 566 Height = 8 Cursor = crVSplit HotZoneClassName = 'TcxXPTaskBarStyle' AlignSplitter = salBottom Control = BottomPanel Color = clBtnFace ExplicitWidth = 8 end

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Centering strings with printf()

- by Pieter

By default, printf() seems to align strings to the right. printf("%10s %20s %20s\n", "col1", "col2", "col3"); /* col1 col2 col3 */ I can also align text to the left like this: printf("%-10s %-20s %-20s", "col1", "col2", "col3"); Is there a quick way to center text? Or do I have to write a function that turns a string like test into (space)(space)test(space)(space) if the text width for that column is 8?

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itextsharp PdfCopy and landscape pages

- by Andreas Rehm

I'm using itextsharp to join mutiple pdf documents and add a footer. My code works fine - except for landscape pages - it isn't detecting the page rotation - the footer is not centerd for landscape: public static int AddPagesFromStream(Document document, PdfCopy pdfCopy, Stream m, bool addFooter, int detailPages, string footer, int footerPageNumOffset, int numPages, string pageLangString, string printLangString) { CreateFont(); try { m.Seek(0, SeekOrigin.Begin); var reader = new PdfReader(m); // get page count var pdfPages = reader.NumberOfPages; var i = 0; // add pages while (i < pdfPages) { i++; // import page with pdfcopy var page = pdfCopy.GetImportedPage(reader, i); // get page center float posX; float posY; var rotation = page.BoundingBox.Rotation; if (rotation == 0 || rotation == 180) { posX = page.Width / 2; posY = 0; } else { posX = page.Height / 2; posY = 20f; } var ps = pdfCopy.CreatePageStamp(page); var cb = ps.GetOverContent(); // add footer cb.SetColorFill(BaseColor.WHITE); var gs1 = new PdfGState {FillOpacity = 0.8f}; cb.SetGState(gs1); cb.Rectangle(0, 0, document.PageSize.Width, 46f + posY); cb.Fill(); // Text cb.SetColorFill(BaseColor.BLACK); cb.SetFontAndSize(baseFont, 7); cb.BeginText(); // create text var pages = string.Format(pageLangString, i + footerPageNumOffset, numPages); cb.ShowTextAligned(PdfContentByte.ALIGN_CENTER, printLangString, posX, 40f + posY, 0f); cb.ShowTextAligned(PdfContentByte.ALIGN_CENTER, footer, posX, 28f + posY, 0f); cb.ShowTextAligned(PdfContentByte.ALIGN_CENTER, pages, posX, 20f + posY, 0f); cb.EndText(); ps.AlterContents(); // add page to new pdf pdfCopy.AddPage(page); } // close PdfReader reader.Close(); // return number of pages return i; } catch (Exception e) { Console.WriteLine(e); return 0; } } How do I detect the page rotation (e.g. landscape) format in this case? The given example works for PdfReader but not for PdfCopy. Edit: Why do I need PdfCopy? I tried copying a word pdf export. Some word hyperlinks will not work when you try to copy pages with PdfReader. Only PdfCopy transfers all needed page informations. Edit: (SOLVED) You need to use reader.GetPageRotation(i);

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WPF Treeview: How to display rounded border around the selected item?

- by chikak

I am trying to set the rounded border around the selected item of the treeview (like the one in the windows explorer on Vista). The problem is that the trigger in the following code doesn't seem to be working. It looks like the IsSelected property is always false. <TreeView x:Name="m_treeView" BorderThickness="0" d:LayoutOverrides="Width, Height"> <TreeView.Resources> <Style TargetType="TreeViewItem"> <Style.Resources> <Brush x:Key="{x:Static SystemColors.HighlightBrushKey}">Transparent</Brush> </Style.Resources> </Style> </TreeView.Resources> <TreeView.ItemTemplate> <HierarchicalDataTemplate DataType="{x:Type local:DirectoryPresentationBase}" ItemsSource="{Binding Children}"> <TreeViewItem> <TreeViewItem.Header> <Border Name="SelectedBorder" CornerRadius="3" Background="#EFF8FD" BorderBrush="#99DEFD" BorderThickness="1" > <StackPanel Orientation="Horizontal"> <interactivity:Interaction.Behaviors> <local:TreeViewExpandBehavior AssociatedTreeView="{Binding ElementName=m_treeView}"/> </interactivity:Interaction.Behaviors> <Image x:Name="img" Width="24" Height="16" Stretch="None" Source="{Binding SmallIcon}"/> <TextBlock Text="{Binding Name}" Margin="5,0" /> </StackPanel> </Border> </TreeViewItem.Header> </TreeViewItem> <HierarchicalDataTemplate.Triggers> <Trigger Property="TreeViewItem.IsSelected" Value="True"> <Setter Property="Background" TargetName="SelectedBorder" Value="Red"/> <Setter Property="BorderBrush" TargetName="SelectedBorder" Value="Green"/> </Trigger> <Trigger Property="TreeViewItem.IsSelected" Value="False"> <Setter Property="Background" TargetName="SelectedBorder" Value="Transparent"/> <Setter Property="BorderBrush" TargetName="SelectedBorder" Value="Transparent"/> </Trigger> </HierarchicalDataTemplate.Triggers> </HierarchicalDataTemplate> </TreeView.ItemTemplate> </TreeView>

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Open new popup window without address bars in firefox & IE

- by Anbu

Hi everyone, hope someone can help. just cannot get a new window to open in Firefox without address bars. IE works fine with below code Blockquote window.open('/pageaddress.html','winname',directories=0,titlebar=0,toolbar=0,location=0,status=0,menubar=0,scrollbars=no,resizable=no,width=400,height=350); i need to make for all browser

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Creating a Custom UIButton.

- by Joshua

I am looking to create a Custom UIButton (not subclass) progrmatically, I would like it to have a background image that will stretch as the UIButton's width increases. How would I do this?

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How to redirect to a page using a button tag in html?

- by Vlad Radulescu

When I Click a button I want to get redirected to a page. The problem is...if I use the normal sintax , the button works fine, but If I apply some css to id by ussing # and .(classes) ,the button it`s not working any more ?! How can I keep my css and functionality at the same time ?! This is my code: <body> <input id="buttonrain" class="classname" type="button" onClick="window.location.href='rain.html'" value="Rain" />  </body> CSS FILE html { min-width: 100%; min-height: 100%; } body{ width: 1024px; height:600px; background:white; margin:0px; padding:0px 0px; display:block; overflow:hidden; } .classname { -moz-box-shadow:inset 0px 1px 0px 0px #ffffff; -webkit-box-shadow:inset 0px 1px 0px 0px #ffffff; box-shadow:inset 0px 1px 0px 0px #ffffff; background:-webkit-gradient( linear, left top, left bottom, color-stop(0.05, #f0ea3c), color-stop(1, #dfdfdf) ); background:-moz-linear-gradient( center top, #f0ea3c 5%, #dfdfdf 100% ); filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#f0ea3c', endColorstr='#dfdfdf'); background-color:#f0ea3c; -moz-border-radius:6px; -webkit-border-radius:6px; border-radius:6px; border:1px solid #dcdcdc; display:inline-block; color:#0f000f; font-family:Verdana; font-size:15px; font-weight:bold; padding:18px 9px; text-decoration:none; text-shadow:1px 1px 0px #ffffff; position:relative; bottom:250px; }.classname:active { position:relative; top:1px; } #buttonrain{ left:80px; }

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Get rid of button border in WPF?

- by sanjeev40084

i am trying to get rid of button border and only display text, however a thin line around the text gets displayed even though i set borderThickness to 0 and borderbrush to transparent. my xaml code for save button: <Button Content="save" Name="btnSaveEditedText" Background="Transparent" Foreground="White" FontFamily="Tw Cen MT Condensed" FontSize="30" Margin="-280,0,0,10" Width="60" BorderBrush="Transparent" BorderThickness="0"/> Is there anyway i can get rid of the button border?

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WPF Rectangle filled with horizontal or vertical lines

- by Pravin

I am trying to create one rectangle filled with Horizontal or Vertical lines. The width of the rectangle is dynamic so I can not use an image brush. Please let me know if anybody knows any solution.

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php form validation with javascript

- by Jon Hanson

hi guys i need help trying to figure out why the alert box doesnt show up when i run this. im also new at programming. html i due just fine. im currently taking a php class, and the teacher thought it would be fun to have us create a form and validate it. my problem is i am trying to call the function which then would validate it. My problem is its not calling it, and i cant quite figure out why. please help? jons viladating <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"> <head> <link rel="stylesheet" href="decor.css" type="text/css"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>jons viladating</title> <script type="text/javascript">  </script> <h1>jons validations test</h1> </head> <body> <div id="rightcolumn"> <img src="hula.gif" align="right"/> </div> <text align="left"> <form name="jon" action="formoutput.php" onsubmit="return showjonsForm()" Method="post"> <fieldset style="width:250px"> <label> first name</label> <input type="text" name="fname" size="15" maxlength="22" onBlur="checkRequired( this,'fname')"/><br /> <label>last name</label> <input type="text" name="lname" size="10" maxlength="22"> <br /> </fieldset> <fieldset style="width:250px"> <label>address</label> <input type="text" name="adrs1" size="10" maxlength="30"><br /> <span class="msg_container" id="adrs2"></span><br /> <label>city</label> <input type="text" name="city" size="10" maxlength="15"><br /> <span class="msg_container" id="city"></span><br /> <label>state</label> <input type="text" name="state" size="10" maxlength="2"><br /> <span class="msg_container" id="state"></span><br /> <label>zip</label> <input type="text" name="zip" size="10" maxlength="5"><br /> </fieldset> <fieldset style="width:250px"> <label>phone</label> <input type="text" name="phone" size="10" maxlength="10"><br /> <div>please input phone number in this format 1234567892 thank you </div> <label>email</label> <input type="text" name="email" size="10" maxlength="22"><br /> <div> password must have 1 number upper case and minimum of 6 charcters</div> <label>password</label> <input type="text" name="pw2" size="10" maxlength="12"><br /> <label>select gender type</label> <select name="sex" size="1" <br /> <option>male</option> <option>female</option> <option>timelord</option> </select> <label>date of birth</label> <input type="text name="dob" size="8" maxlength="8"/> <div> would you like to know know more</div> <label> yes</label> <input type="checkbox" checked="checked" name="check" /> </fieldset> <input type="submit"/></form> </form> <div id="footer"> <img src="laps2.jpg"> <img src="orange.jpg"><img src="ok.jpg"> </div> </body> </html>

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Can I wrap img alt text? [html]

- by Khan

I have an image set by css style to 100x75. When it doesn't load, the alt text loads into the space, but expands the container to beyond 100px width. How can I prevent this?? Either by cutting it off or wrapping it

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