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• Align 2 sets of 2D point clouds

  - by user108088

  From what I gather, there are two major methods to perform alignment on point clouds, Iterative Closest Point (ICP) and Particle Filtering. What are the advantages of each method? And can someone point me some good tutorials. For what I am currently doing, I think ICP would be easier, I can't seem to find any simple reference implementations online for 2d point sets. Has anyone seen (psuedo)code for ICP with details on the transformation step? Thanks in advance.

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• CSS not working correctly on IE 7

  - by vatismarty

  Hi people, I am working on a website curently. Here is the link for it. Good News : The site is fine on FireFox, Chrome and IE 8. Bad News: It is not fine on IE 7. Alignment problems, hyperlink colour problems, etc. What should i do to make things normal on IE7 too. Any amount of help would be appreciated. Thanks

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• returning aligned memory with new?

  - by Steve

  I currently allocate my memory for arrays using the MS specific mm_malloc. I align the memory, as I'm doing some heavy duty math and the vectorization takes advantage of the alignment. I was wondering if anyone knows how to overload the new operator to do the same thing, as I feel dirty malloc'ing everywhere (and would eventually like to also compile on Linux)? Thanks for any help

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• aligning truecrypt partition on 1.5TB 4kB sector drive

  - by pQd

  hi, aligning partitions to start at real physical sector of ssds / stripped raids / 4kB drives is a 'good thing to do'. but i've run into a problems when trying to do it for a truecrypt partition that will contain ext3 on it. or so it seems. when drive is question is partitioned properly and formatted with ext3 i get very reasonable write speeds around 70-80MB/s, but when i put truecrypt and ext3 on the top of it write performance becomes very unstable and goes between 1-25MB/s with very high io-wait. on the same server i dont have any performance issues with ext3 on the top of truecrypt on regular 512B-sector 500GB sata disks. so my best guess is that iowaits are caused by misalignment but i cannot really find reliable information on how to calculate optimal partition beginning. i've tried to start it at 128 logical sector, i've also tried 8132 sector as suggested here but both gave me very bad and unstable performance. do you have any experience with similar setup? thanks!

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• Align windows to a grid in Snow Leopard

  - by sirlancelot

  I've become so used to aligning windows to a grid on Windows (via Win+Arrow Key) and Linux (via Compiz Grid) that when I sit down at a Mac I want to gouge my eyes out trying to align windows. Is there any sort of application or service for Mac OS X that handles windows like this? Here is an example of Compiz Grid plugin.

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• How can I get Visual Studio 2008 to align my assignment operators?

  - by Alison R.

  I had this in Vim and miss it dearly now that I'm confined to Visual Studio. I'd like to take this: MyType type_obj = new MyType(); MyLongerType longer_type_obj = new LongerType() To this: MyType type_obj = new MyType(); LongerType longer_type_obj = new LongerType() I have found some macros for this on the web, but they seem to be for an older version of Visual Studio (< 2008). Here is one from 2000. Edit: Further digging in Google turned up this one: http://www.omegacoder.com/?p=8 It seems to work to align equals signs, but I haven't yet figured out if it can align the local variable names, too. Still no clue as to whether I could just get it to perform this sort of behavior with a Ctrl E+D, although that might not be practical considering how it works. (It aligns going down from the line which currently has focus.)

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• Unable to Align Layers in Photoshop Properly with CS2

  - by Jonathan Sampson

  Cannot Align Semi-Transparent Items? Windows Vista, Photoshop CS2. Steps to repeat: Create new document Fill a circle on a new layer Drop opacity of filled circle to 10% Create new empty layer below circle layer Merge empty layer with filled circle layer Select entire canvas Attempt to align layers to selectionlayer > align layers to selection > vertical centers I get the following error: Could not complete the Vertical Centers command because there are no layers to be moved. Clearly this is not true, as I'm selecting the layer with the semi-translucent ball on it. Now, if you had tried this same command prior to step 5 (when the layer was at 10% opacity) it would have worked. Is there some way around this problem? I need to move layers around that begin as transparent items, with a layer opacity at 100% where 100% of the layers opacity results in showing objects that are themselves not-very opaque. I've confirmed on another machine that this problem doesn't exist in CS3. I may exist in earlier copies of Photoshop, but I only have access to CS2 (has the problem) and CS3 (does not have the problem).

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• How can text be set on both the left and right sides of a line in Word?

  - by Lord Torgamus

  Is it possible to set Microsoft Word to display some text left-aligned and other text right-aligned on a single line? Here's an example of what I mean: | Chickens, turkey and duck 30 | | Cows 240 | | Pigs and boar 83 | | Sheep Not applicable | where the vertical lines denote the sides of the page. The full justify option won't work because I don't want anything in the middle of the lines. The table of contents option has the formatting I want, but only supports page numbers, which does me no good.

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• Do I need more RAM for programming if I switch to a 64 Bit OS?

  - by Buttercup

  Hi, Given that today (for performance reasons?) variables are usually aligned to the "bit-width" (I wanted to use "word-width" here, but on x86 a "word" is still 16 bits right?) of the processor, would switching from a 32 bit OS to its 64 bit version double the RAM usage? Would this then in turn mean that to do the same work a 32 bit OS can do with 4 GB RAM (well, the 3.x GB actually...) with a 64 bit OS I would need 8 GB of RAM for programming? Please note that I'm only talking about everyday x86 computers here.

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• Vertically resize two windows at same time?

  - by Guy

  I love the new feature in Windows 7 where I can grab the title bar and "slam" a window against the right edge of the computer and it will size that window to the right half of the screen. I can then grab another window and do the same against the left side of the screen. Once I've done that I often find that one of those windows needs a bit more horizontal space and the other can do with less. So I grab the edge in the middle of each window and resize that window so I can most efficiently use my screen space. Problem is that I have to do this twice, once for each window. Is there a way to grab the inside vertical edge of both windows at the same time so that I can make one wider and the other smaller at the same time?

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• Vertical positioning of text in table cell

  - by Robert

  When I place an image followed by text in a table cell, the vertical alignment of the text shifts down compared to text in adjacent cells. I tried using a line-height CSS property, but it didn't seem to have an affect. In the following example, I need "123 Description" to be flush with "cell one." Also, there is a space between the image and "123" by default. How can I adjust that - negative margins perhaps? <html <head <style type="text/css" table { border-collapse: collapse; } td { border: thin solid; width: 10em;} /* .adjust-text { line-height: 1.3em; } */ </style </head <body <table <tbody <tr <tdcell one</td <td <img src="small-star.png" / <span class="adjust-text"123 Description</span </td </tr </tbody </table </body </html

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• aligning extern constants (gcc)

  - by ~buratinas

  I want to make some static constants globally visible. I'm pretty familiar how to do that in C++. The problem is that these constants need to be aligned to some exotic boundary. Do I have to specify the alignment in extern declaration? I'm using GCC4.5 in *.cpp file static const constant_t constant __attribute__((aligned(64))) = {blah,blah,blah}; in *.h file //Which one is correct? extern const constant_t constant; extern const constant_t constant __attribute__((aligned(64)));

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• Latex: Text cannot be placed below image

  - by Frederik Wordenskjold

  I love latex! But sometimes, it does not love me... I'm having a problem with an image and some text. I have this code: Some text...\\ \begin{figure}[ht] \centering \includegraphics[scale=0.75]{picture.jpg} \caption{The caption} \label{fig:picture} \end{figure} Some more text... Basically, I want this: Some text. (Above image in the code) [end of page / new page] image Some more text. (Below the image in the code) [start of new section] But, what the above code gives me is this: Some text. (Above image in the code) Some more text. (Below the image in the code) [end of page / new page] image [start of new section] Latex insists on putting everything but a new section above the image even though its below the image in the code. Its probably because the image floats on top - but whats my alternative? There's not enough space on the first page to display the image there, to I cannot use [h] as the float-alignment. I can "hack it", by creating an empty new section, like \section*{}, but this creates some white-space, which looks weird. Any suggestions?

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• Font advance calculation problem on Blackberry OS 5.0

  - by John

  I am currently working on my own implementation of a tab bar for a BlackBerry app, where each tab bar has a title that is right aligned (i.e. the last character in each should be the same distance from the right hand side of the screen). To work out where to draw the text I am using the following calculation: screen width - advance of title - indent. The font I am using is 'BBAlpha Sans' (height 28). Using BlackBerry OS 4.6 everything seems to be calculated properly and the text is aligned when I move between tabs, however I am finding that when I use OS 5.0 it doesn't calculate the advance properly and as a result the alignment is off by maybe 5 pixels or so. With the default font (also BBAlpha Sans, but height 24 - for OS 5.0 at least) it works fine in both versions.. but I don't necessarily always want to use the default font/size, so any ideas what could be going wrong? Is this a bug in the 5.0 API? Thanks. Code: public class TitleBarBackground extends Background { .. public void draw(Graphics graphics, XYRect rect) { graphics.pushRegion(rect); .. Font titleBarFont = FontFamily.forName("BBAlpha Sans").getFont(Font.PLAIN, 28); ... int textWidth = titleBarFont.getAdvance(title); graphics.drawText(title, rect.width - textWidth - TITLE_OFFSET, textYOffset); graphics.popContext(); } .. }

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• how to text-align columns in DataGrid? (style DataGridCell)

  - by Olga

  I use WPF (C #). I use DataGrid. I want the first column is aligned with the center, the other columns are right-aligned. I have style: <Style x:Key="TextInCellCenter" TargetType="{x:Type TextBlock}" > <Setter Property="HorizontalAlignment" Value="Center"/> </Style> <Style TargetType="{x:Type DataGridCell}"> <Setter Property="HorizontalAlignment" Value="Right"/> </Style> DataGrid: <DataGrid> <DataGrid.Columns> <DataGridTextColumn ElementStyle="{StaticResource TextInCellCenter}" Binding="{Binding Path=Name}" /> <DataGridTextColumn Binding="{Binding Path=Number}" /> <DataGridTextColumn Binding="{Binding Path=Number}" /> <DataGridTextColumn Binding="{Binding Path=Number}" /> I have all the columns are right-aligned. Please tell me, how do I change the first column had a center text-alignment?

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• Button text loses allignment after clicking

  - by breathe0

  Strange things happen. I have a 4x4 button table layout, which is the following: <TableLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_below="@+id/cerca"> <TableRow android:layout_width = "fill_parent" android:layout_height = "wrap_content"> <Button android:id = "@+id/btn1" android:layout_width = "wrap_content" android:layout_height = "wrap_content" android:layout_weight="1" android:text = "Scarica POI da server" android:onClick="downloadFromServer" /> <Button android:id = "@+id/btn2" android:layout_width = "wrap_content" android:layout_height = "wrap_content" android:layout_weight="1" android:text = "Aggiungi POI" android:onClick="goCreatePOI" /> </TableRow> <TableRow android:layout_width = "fill_parent" android:layout_height = "wrap_content"> <Button android:id = "@+id/btn3" android:layout_width = "wrap_content" android:layout_height = "wrap_content" android:layout_weight="1" android:text = "Rimuovi i POI del server" android:onClick="removeServerPOI" /> <Button android:id = "@+id/btn4" android:layout_width = "wrap_content" android:layout_height = "wrap_content" android:layout_weight="1" android:text = "Rimuovi i POI personali" android:onClick="removePersonalPOI" /> </TableRow> </TableLayout> This table layout is nested inside a relative layout, which is nested in a scrollview. Now, whenever i click on one of them, everytime the text inside the button change allignment: if before clicking was centered and displayed on two lines, after the click it loses its alignment and is displayed only in one row (cutting off some part of the text). Am I doing something wrong, or maybe it's a bug?

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• android: how to align image in the horizontal center of an imageview?

  - by Yang

  I've tried all scaletype in gravity, but all of them result in the image to be at the left corner of the imageview. <ImageView android:id="@+id/image" android:scaleType="centerInside" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginRight="6dip" android:background="#0000" android:src="@drawable/icon1" />

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• How can I center a Silverlight DataGridTemplateColumn header?

  - by Mike Pateras

  I want to center the header on a Silverlight DataGridTemplateColumn. The following code gets me most of the way there: DataGridTemplateColumn column = new DataGridTemplateColumn(); column.CellTemplate = Resources[templateName] as DataTemplate; column.Header = headerName; column.HeaderStyle = new Style { TargetType = typeof(DataGridColumnHeader) }; column.HeaderStyle.Setters.Add(new Setter(DataGridColumnHeader.HorizontalAlignmentProperty, HorizontalAlignment.Center)); The header is, indeed, centered, but if the column is expanded, the header doesn't stretch. It just remains it's original width, leaving white gaps on either side of it, which looks terrible. What is the proper way to center the column header, such that it still occupies the full width?

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• Vertical-centering and overflow Excel-style in CSS?

  - by Eric Grange

  Is there a way to perform a vertical centering of a variable-sized multi-line content within a fixed-size div, with hidden overflow? The aim would be to reproduce what you can see in Excel cells: when the content fits the container, it should be vertically centered, when it is larger, the parts that overflow should be hidden (and the content still vertically aligned), like in an Excel cell whose neighbours aren't empty. I know how to vertically center using CSS, I know how to hide overflow when the content isn't vertically centered, but I've no idea how to do both at the same time... Is Javascript the only answer? The trick is that CSS positioning approaches don't work with variable-sized content (my content is dynamic text), and when you use display:table-cell, it effectively disables CSS overflow control (and the container grows to accomodate the content).

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• Why are these divs not aligned and space between?

  - by acidzombie24

  Why isnt everything aligned? No yellow should be visible and no orange should be visible except for the right side and bottom left where theres space for another image. Basically my images are pretty much aligned to the center (i have other pics not in this example which is easier to see). However in this case when i have 150px height image the 150 width seems start lower. Also why are there spaces in between <!DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"><head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>ldfk;sd</title> <style type="text/css"> div.ImgGallery { max-width: 630px; background: orange; } .ImgGallery div { display: inline; } /* http://www.brunildo.org/test/img_center.html */ .ImgGallery div div { display: table-cell; text-align: center; background: gray; width: 150px; height: 150px; } .ImgGallery div{ background: yellow; vertical-align: middle; } //.ImgGallery div div :nth-child(2n+1) { background: red; } .ImgGallery * { vertical-align: middle; } .ImgGallery a { display: block; } .ImgGallery a * { border-style: none; } </style> </head> <div class="smallGallery"> <div class="ImgGallery"> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="b.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="b.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> <div><div><a href="http://google.com"><img src="a.jpg" alt="a.jpg"></a></div></div> </div></div> </body></html>

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• Align the values of the cells in JTable?

  - by Venkats

  I'm not aware of how to align the values of cells in JTable. For Ex,The Jtable shows, Name Salary Mr.X 100000.50 XXXX 234.34 YYYy 1205.50 I want to align the "Salaries" in the following format. Name Salary Mr.X 100000.50 XXXX 234.34 YYYy 1205.50 How to align as above the JTable

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• Align the coordinate labels of the triangles, so that they never collide with each other. Actionscri

  - by Arafat

  Hi all, Im trying to achieve something similar to the flash movie in the below link. http://mathopenref.com/coordtrianglearea.html As we drag the points of the triangle, the coordinates labels, ( A(1,2)) are properly aligned and arrange themselves so that they never collide with each other and never falls inside the triangle. Please guide me.. Thanks in advance.

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• [LaTeX] How to remove \hyphenpenalty & \pretolerance influence on section/subsection headers

  - by oleg-strikov

  Hi there, In my latex document i've set \hyphenpenalty=15000 and \pretolerance=10000 to remove word hyphenation and make text bounds even. But I can't disable this effect for section/subsection headers. All headers looks badly due to big spaces between words (image). Are there any solution to disable \hyphenpenalty=15000 and \pretolerance=10000 effect for headers? Thank you!

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• tinymce un-justify toolbar

  - by deostroll

  Hi, I am loading my tinyMCE inside my jquery document ready function. It is loaded in advanced mode, and I am also setting my toolbar to appear aligned 'left'. However this is still not appearing the way I imagine it should. What could be the problem?

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• Text orientation

  - by Psytronic

  Hi Guys I know you can do this to get vertical text in a tab header: <Window x:Class="Abodemploy.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Window1" Height="300" Width="300" <Grid <TabControl Margin="0" Name="tabControl1" FlowDirection="LeftToRight" TabStripPlacement="Left" <TabItem <TabItem.Header <StackPanel Orientation="Horizontal" <TextBlockHomes</TextBlock </StackPanel </TabItem.Header <TabItem.LayoutTransform <TransformGroup <RotateTransform Angle="90" / </TransformGroup </TabItem.LayoutTransform <Grid / </TabItem </TabControl </Grid </Window However the text letters are sideways. What I'd like (if possible) is for the letter orientation to be correct (ie upwards), but the text flow downwards, is this possible, or am I just dreaming the impossible dream? Thanks Psy

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