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• Relayout LVM Disk

  - by Tom

  I have an Ubuntu 11.10 system with two 500GB disks. The partition tables look like this: /dev/sda1 primary 465.52GB /dev/sda2 extended 243.17MB -> /dev/sda5 logical 243.14MB /dev/sdb1 primary 465.76GB sda1 and sdb1 are in a single LVM physical volume group containing a single logical volume containing a single logical filesystem which is mounted as /. sda5 is mounted as /boot. The problem comes when I want to upgrade to Ubuntu 12.04, which requires at least 247MB free on /boot. So I need to reduce the size of sda1 so that I can increase the size of sda2 and sda5. How the heck do I do that? I can find how to shrink the logical volume group, but I'm not at all clear on how to clear out the end part of sda1 so that I can reduce the physical volume group. Does pvresize just deal with this automagically? Or is that wild wishful thinking? I guess the alternatives are to back everything up onto something or other and recreate the thing from scratch or find out whether GRUB2 supports using LVM for /boot.

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• Exchange 2010 SP2 database size

  - by Chad

  I have a single Exchange 2010 sp2 environment with 3 DB stores. I am trying to reduce the sizes by moving the mailboxes to a spare DB and then deleting the empty database. I cleaned up the users mailboxes to reduce the sizes and set the retention periods to 1 day each and waited several days before moving mailboxes. The databases are backing up fine and clearing logs files but when I move the mailboxes I noticed they were taking a long time, even though some were less than 100MB. When I checked the new database size it seems like the orginal mailbox size might be moving (1GB instead of 100MB). Exchange is showing the expected smaller mailbox sizes when I run get-mailbox statistics against the DB. So if I have 5 mailboxes 100MB each it is showing like 3GB instead of around 500MB, and no whitespace. I keep waiting thinking mailby the retention period is not expired yet but it is much longer than 1 day already. I am setting them both to 0 today to see if that works. What am I missing to get the combined mailbox sizes to match the DB size minus whitespace?

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• Connections to IIS sometimes get stuck in CLOSE_WAIT state

  - by randomhuman

  Our application includes an ASP.Net web service that only needs to deal with a handful of clients. As such, the 10 incoming connection limit of Windows XP Pro is generally not a problem. However, on one particular server, connections are occasionally becoming stuck in the CLOSE_WAIT state. These connections build up over time and eventually new client connections are refused because the maximum number of connections are used up. From my googling it sounds like a failure of the webservice to properly close the connection can cause this problem, but as it works just fine on hundreds of other Windows XP pro machines I can't see it being a bug in our code. It also ran fine on the affected machine until some shenanigans on the part of the end user (I think they set about deleting duplicate files in order to reduce their disk usage, but they did not exactly come clean about it). What could the user have changed to introduce this problem? Is there any way I can force connections that are in CLOSE_WAIT to time out rather than letting them hang around? I have seen suggestions to reduce TcpTimedWaitDelay, but that only relates to the TIME_WAIT state, and changing it did not have any effect.

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• ZFS & Deduplicating FLAC Data

  - by jasongullickson

  I'm experimenting with using ZFS to deduplicate a large library of FLAC files. The purpose of this is twofold: Reduce storage utilization Reduce bandwidth needed to sync the library with cloud storage Many of these files are of the same music tracks but from different physical media. This means that for the most part they are the same and usually close to the same size, which makes me think that they should benefit from block-level deduplication. However in my testing I'm not seeing good results. When I create a pool and add three of these tracks (identical songs from different source media) zpool list reports 1.00 dedupe. If I copy all of the files (make exact duplicates of the three) dedupe climbs, so I know that it is enabled and functioning, but it's not finding any duplication in the original collection of files. My first thought was that perhaps some of the variable header data (metadata tags, etc.) might be mis-aligning the bulk of the data in these files (the audio frames) but even making the header data consistent across the three files doesn't seem to have any impact on deduplication. I'm considering taking alternate routes (testing other dedupe filesystems as well as some custom code) but since we're already using ZFS and I like the ZFS replication options, I'd prefer to use ZFS dedupe for this project; but perhaps it's simply not capable of working well with this sort of data. Any feedback regarding tuning that might improve dedupe performance for this sort of dataset, or confirmation that ZFS dedupe is not the right tool for this job are appreciated.

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• Eclipse Plugin does not work in FlashBuilder/FlexBuilder Standalone

  - by Janosch

  Hi, created an Eclipse plugin that contributes to the UI by a new project wizard a new menu in the context menu of projects in the Package Explorer a new project nature + builder a new preference page for the plugin The plugin works fine when installed in a normal Eclipse instance with Flex/Flashbuilder as plugin. The problem now is, that the plugin never gets activated when i install it in a Flex/Flashbuilder Standalone instance. Neither of the features described above is available. I even have no idea how to debug this, error-log (workspace/.metadata/.log) the following message appears, (but i dont think it is related to the problem) !ENTRY org.eclipse.ui.workbench 2 0 2009-07-20 17:51:17.984 !MESSAGE A handler conflict occurred. This may disable some commands. !SUBENTRY 1 org.eclipse.ui.workbench 2 0 2009-07-20 17:51:17.984 !MESSAGE Conflict for 'org.eclipse.ui.navigate.openResource': HandlerActivation(commandId=org.eclipse.ui.navigate.openResource, handler=ActionDelegateHandlerProxy(null,org.eclipse.ui.internal.ide.handlers.OpenResourceHandler), expression=AndExpression(ActionSetExpression(org.eclipse.ui.NavigateActionSet,org.eclipse.ui.internal.WorkbenchWindow@1c45731),WorkbenchWindowExpression(org.eclipse.ui.internal.WorkbenchWindow@1c45731)),sourcePriority=16640) HandlerActivation(commandId=org.eclipse.ui.navigate.openResource, handler=ActionDelegateHandlerProxy(null,org.eclipse.ui.internal.ide.handlers.OpenResourceHandler), expression=AndExpression(ActionSetExpression(com.adobe.flexbuilder.standalone.navigate,org.eclipse.ui.internal.WorkbenchWindow@1c45731),WorkbenchWindowExpression(org.eclipse.ui.internal.WorkbenchWindow@1c45731)),sourcePriority=16640) In the "Configuration Details" my feature doesn't show up in the *** Features: section and my plugin doesn't show up in the *** Plugin-in Registry: section. But they appear under Configured features and Configured plug-ins. Starting FlashBuilder with -clean didn't solve the problem. (the start command is now "C:\Programme\Adobe\Flash Builder Beta\Gumbo.exe" -clean) My plugin depends on org.eclipse.ui, org.eclipse.core.runtime, org.eclipse.core.resources, com.adobe.flexbuilder.project com.adobe.flexbuilder.project.ui com.adobe.flexbuilder.ui All of these should be available, as i see it. (and an error should be generated if they were not, i hope)

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• MySQL Unique hash insertion

  - by Jesse

  So, imagine a mysql table with a few simple columns, an auto increment, and a hash (varchar, UNIQUE). Is it possible to give mysql a query that will add a column, and generate a unique hash without multiple queries? Currently, the only way I can think of to achieve this is with a while, which I worry would become more and more processor intensive the more entries were in the db. Here's some pseudo-php, obviously untested, but gets the general idea across: while(!query("INSERT INTO table (hash) VALUES (".generate_hash().");")){ //found conflict, try again. } In the above example, the hash column would be UNIQUE, and so the query would fail. The problem is, say there's 500,000 entries in the db and I'm working off of a base36 hash generator, with 4 characters. The likelyhood of a conflict would be almost 1 in 3, and I definitely can't be running 160,000 queries. In fact, any more than 5 I would consider unacceptable. So, can I do this with pure SQL? I would need to generate a base62, 6 char string (like: "j8Du7X", chars a-z, A-Z, and 0-9), and either update the last_insert_id with it, or even better, generate it during the insert. I can handle basic CRUD with MySQL, but even JOINs are a little outside of my MySQL comfort zone, so excuse my ignorance if this is cake. Any ideas? I'd prefer to use either pure MySQL or PHP & MySQL, but hell, if another language can get this done cleanly, I'd build a script and AJAX it too. Thanks!

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• How to permanently remove xcuserdata under the project.xcworkspace and resolve uncommitted changes

  - by JeffB6688

  I am struggling with a problem with a merge conflict (see Cannot Merge due to conflict with UserInterfaceState.xcuserstate). Based on feedback, I needed to remove the UserInterfaceState.xcuserstate using git rm. After considerable experimentation, I was able to remove the file with "git rm -rf project.xcworkspace/xcuserdata". So while I was on the branch I was working on, it almost immediately came back as a file that needed to be committed. So I did the git rm on the file again and just switched back to the master. Then I performed a git rm on the file again. The operation again removed the file. But I am still stuck. If I try to merge the branch into the master branch, it again says that I have uncommitted changes. So I go to commit the change. But this time, it shows UserInterfaceState.xcuserstate as the file to commit, but the box is unchecked and it can't be checked. So I can't move forward. Is there a way to use 'git rm' to permanently remove xcuserdata under the project.xcworkspace? Help!! Any ideas?

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• Best way to fork SVN project with Git

  - by Jeremy Thomerson

  I have forked an SVN project using Git because I needed to add features that they didn't want. But at the same time, I wanted to be able to continue pulling in features or fixes that they added to the upstream version down into my fork (where they don't conflict). So, I have my Git project with the following branches: master - the branch I actually build and deploy from feature_* - feature branches where I work or have worked on new things, which I then merge to master when complete vendor-svn - my local-only git-svn branch that allows me to "git svn rebase" from their svn repo vendor - my local branch that i merge vendor-svn into. then i push this (vendor) branch to the public git repo (github) So, my flow is something like this: git checkout vendor-svn git svn rebase git checkout vendor git merge vendor-svn git push origin vendor Now, the question comes here: I need to review each commit that they made (preferably individually since at this point I'm about twenty commits behind them) before merging them into master. I know that I could run git checkout master; git merge vendor, but this would pull in all changes and commit them, without me being able to see if they conflict with what I need. So, what's the best way to do this? Git seems like a great tool for handling forks of projects since you can pull and push from multiple repos - I'm just not experienced with it enough to know the best way of doing this. Here's the original SVN project I'm talking about: https://appkonference.svn.sourceforge.net/svnroot/appkonference My fork is at github.com/jthomerson/AsteriskAudioKonf (sorry - I couldn't make it a link since I'm a new user here)

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• Git merge 2 new file with removed content and added content

  - by Loïc Faure-Lacroix

  So we are working in with 2 different repositories and both designers modified the same file. the problem is quite simple but I have no ideas how to solve it yet. Both files are marked as new since they have almost nothing in common except that file. When I try to merge from branch A to B it mark the parts added in A deleted in B and on the other side, what was added in B appears deleted in A. git seems to try to outsmart me when I know that I need almost every changes and nothing should be mark as deletion. I have 2 other branch that should merge without problem after these 2 branch. I can't merge them yet since there are some recent changes that may not merge really well too. I have to merge A and B = E then C and D = F and then hopefully E and F So the big question here is how can I do a completely manual merge that will mark every changes as conflict anything deleted anything added should be marked as conflict that I can solve by myself using an editor. Git is trying to outsmart me and fail terribly at it.

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• Client-server synchronization pattern / algorithm?

  - by tm_lv

  I have a feeling that there must be client-server synchronization patterns out there. But i totally failed to google up one. Situation is quite simple - server is the central node, that multiple clients connect to and manipulate same data. Data can be split in atoms, in case of conflict, whatever is on server, has priority (to avoid getting user into conflict solving). Partial synchronization is preferred due to potentially large amounts of data. Are there any patterns / good practices for such situation, or if you don't know of any - what would be your approach? Below is how i now think to solve it: Parallel to data, a modification journal will be held, having all transactions timestamped. When client connects, it receives all changes since last check, in consolidated form (server goes through lists and removes additions that are followed by deletions, merges updates for each atom, etc.). Et voila, we are up to date. Alternative would be keeping modification date for each record, and instead of performing data deletes, just mark them as deleted. Any thoughts?

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• C++, name collision across different namespace

  - by aaa

  hello. I am baffled by the following name collision: namespace mp2 { boost::numeric::ublas::matrix_range<M> slice(M& m, const R1& r1, const R2& r2) { namespace ublas = boost::numeric::ublas; ublas::range r1_(r1.begin(), r1.end()), r2_(r2.begin(), r2.end()); return ublas::matrix_range<M>(m, r1_, r2_); } double energy(const Wavefunction &wf) { const Wavefunction::matrix& C = wf.coefficients(); int No = wf.occupied().size(); foreach (const Basis::MappedShell& P, basis.shells()) { slice(C, range(No), range(P)); the error from g++4.4 is 7 In file included from mp2.cpp:1: 8 /usr/include/boost/numeric/ublas/fwd.hpp: In function âdouble mp2::energy(const Wavefunction&)â: 9 /usr/include/boost/numeric/ublas/fwd.hpp:32: error: âboost::numeric::ublas::sliceâ is not a function, 10 ../../src/mp2/energy.hpp:98: error: conflict with âtemplate<class M, class R1, class R2> boost::numeric::ublas::matrix_range<M> mp2::slice(M&, const R1&, const R2&)â 11 ../../src/mp2/energy.hpp:123: error: in call to âsliceâ 12 /usr/include/boost/numeric/ublas/fwd.hpp:32: error: âboost::numeric::ublas::sliceâ is not a function, 13 ../../src/mp2/energy.hpp:98: error: conflict with âtemplate<class M, class R1, class R2> boost::numeric::ublas::matrix_range<M> mp2::slice(M&, const R1&, const R2&)â 14 ../../src/mp2/energy.hpp:129: error: in call to âsliceâ 15 make: *** [mp2.lo] Error 1 ublas segment is namespace boost { namespace numeric { namespace ublas { typedef basic_slice<> slice; why is slice in ublas collides with slice in mp2? I and fairly certain there is no using namespace ublas in the code and in includes. thank you

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• Generics Java and Shadowing of type parameters

  - by rubixibuc

  This code seems to work fine class Rule<T> { public <T>Rule(T t) { } public <T> void Foo(T t) { } } Does the method type parameter shadow the class type parameter? Also when you create an object does it use the type parameter of the class? example Rule<String> r = new Rule<String>(); Does this normally apply to the type parameter of the class, in the situation where they do not conflict? I mean when only the class has a type parameter, not the constructor, or does this look for a type parameter in the constructor? If they do conflict how does this change? SEE DISCUSSION BELOW if I have a function call x = <Type Parameter>method(); // this is a syntax error even inside the function or class ; I must place a this before it, why is this, and does everything still hold true. Why don't I need to prefix anything for the constructor call. Shouldn't Oracle fix this.

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• iPhone Image Processing--matrix convolution

  - by James

  I am implementing a matrix convolution blur on the iPhone. The following code converts the UIImage supplied as an argument of the blur function into a CGImageRef, and then stores the RGBA values in a standard C char array. CGImageRef imageRef = imgRef.CGImage; int width = imgRef.size.width; int height = imgRef.size.height; CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); unsigned char *pixels = malloc((height) * (width) * 4); NSUInteger bytesPerPixel = 4; NSUInteger bytesPerRow = bytesPerPixel * (width); NSUInteger bitsPerComponent = 8; CGContextRef context = CGBitmapContextCreate(pixels, width, height, bitsPerComponent, bytesPerRow, colorSpace, kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big); CGContextDrawImage(context, CGRectMake(0, 0, width, height), imageRef); CGContextRelease(context); Then the pixels values stored in the pixels array are convolved, and stored in another array. unsigned char *results = malloc((height) * (width) * 4); Finally, these augmented pixel values are changed back into a CGImageRef, converted to a UIImage, and the returned at the end of the function with the following code. context = CGBitmapContextCreate(results, width, height, bitsPerComponent, bytesPerRow, colorSpace, kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big); CGImageRef finalImage = CGBitmapContextCreateImage(context); UIImage *newImage = [UIImage imageWithCGImage:CGBitmapContextCreateImage(context)]; CGImageRelease(finalImage); NSLog(@"edges found"); free(results); free(pixels); CGColorSpaceRelease(colorSpace); return newImage; This works perfectly, once. Then, once the image is put through the filter again, very odd, unprecedented pixel values representing input pixel values that don't exist, are returned. Is there any reason why this should work the first time, but then not afterward? Beneath is the entirety of the function. -(UIImage*) blur:(UIImage*)imgRef { CGImageRef imageRef = imgRef.CGImage; int width = imgRef.size.width; int height = imgRef.size.height; CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB(); unsigned char *pixels = malloc((height) * (width) * 4); NSUInteger bytesPerPixel = 4; NSUInteger bytesPerRow = bytesPerPixel * (width); NSUInteger bitsPerComponent = 8; CGContextRef context = CGBitmapContextCreate(pixels, width, height, bitsPerComponent, bytesPerRow, colorSpace, kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big); CGContextDrawImage(context, CGRectMake(0, 0, width, height), imageRef); CGContextRelease(context); height = imgRef.size.height; width = imgRef.size.width; float matrix[] = {0,0,0,0,1,0,0,0,0}; float divisor = 1; float shift = 0; unsigned char *results = malloc((height) * (width) * 4); for(int y = 1; y < height; y++){ for(int x = 1; x < width; x++){ float red = 0; float green = 0; float blue = 0; int multiplier=1; if(y>0 && x>0){ int index = (y-1)*width + x; red = matrix[0]*multiplier*(float)pixels[4*(index-1)] + matrix[1]*multiplier*(float)pixels[4*(index)] + matrix[2]*multiplier*(float)pixels[4*(index+1)]; green = matrix[0]*multiplier*(float)pixels[4*(index-1)+1] + matrix[1]*multiplier*(float)pixels[4*(index)+1] + matrix[2]*multiplier*(float)pixels[4*(index+1)+1]; blue = matrix[0]*multiplier*(float)pixels[4*(index-1)+2] + matrix[1]*multiplier*(float)pixels[4*(index)+2] + matrix[2]*multiplier*(float)pixels[4*(index+1)+2]; index = (y)*width + x; red = red+ matrix[3]*multiplier*(float)pixels[4*(index-1)] + matrix[4]*multiplier*(float)pixels[4*(index)] + matrix[5]*multiplier*(float)pixels[4*(index+1)]; green = green + matrix[3]*multiplier*(float)pixels[4*(index-1)+1] + matrix[4]*multiplier*(float)pixels[4*(index)+1] + matrix[5]*multiplier*(float)pixels[4*(index+1)+1]; blue = blue + matrix[3]*multiplier*(float)pixels[4*(index-1)+2] + matrix[4]*multiplier*(float)pixels[4*(index)+2] + matrix[5]*multiplier*(float)pixels[4*(index+1)+2]; index = (y+1)*width + x; red = red+ matrix[6]*multiplier*(float)pixels[4*(index-1)] + matrix[7]*multiplier*(float)pixels[4*(index)] + matrix[8]*multiplier*(float)pixels[4*(index+1)]; green = green + matrix[6]*multiplier*(float)pixels[4*(index-1)+1] + matrix[7]*multiplier*(float)pixels[4*(index)+1] + matrix[8]*multiplier*(float)pixels[4*(index+1)+1]; blue = blue + matrix[6]*multiplier*(float)pixels[4*(index-1)+2] + matrix[7]*multiplier*(float)pixels[4*(index)+2] + matrix[8]*multiplier*(float)pixels[4*(index+1)+2]; red = red/divisor+shift; green = green/divisor+shift; blue = blue/divisor+shift; if(red<0){ red=0; } if(green<0){ green=0; } if(blue<0){ blue=0; } if(red>255){ red=255; } if(green>255){ green=255; } if(blue>255){ blue=255; } int realPos = 4*(y*imgRef.size.width + x); results[realPos] = red; results[realPos + 1] = green; results[realPos + 2] = blue; results[realPos + 3] = 1; }else { int realPos = 4*((y)*(imgRef.size.width) + (x)); results[realPos] = 0; results[realPos + 1] = 0; results[realPos + 2] = 0; results[realPos + 3] = 1; } } } context = CGBitmapContextCreate(results, width, height, bitsPerComponent, bytesPerRow, colorSpace, kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big); CGImageRef finalImage = CGBitmapContextCreateImage(context); UIImage *newImage = [UIImage imageWithCGImage:CGBitmapContextCreateImage(context)]; CGImageRelease(finalImage); free(results); free(pixels); CGColorSpaceRelease(colorSpace); return newImage;} THANKS!!!

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• rotating bitmaps. In code.

  - by Marco van de Voort

  Is there a faster way to rotate a large bitmap by 90 or 270 degrees than simply doing a nested loop with inverted coordinates? The bitmaps are 8bpp and typically 2048*2400*8bpp Currently I do this by simply copying with argument inversion, roughly (pseudo code: for x = 0 to 2048-1 for y = 0 to 2048-1 dest[x][y]=src[y][x]; (In reality I do it with pointers, for a bit more speed, but that is roughly the same magnitude) GDI is quite slow with large images, and GPU load/store times for textures (GF7 cards) are in the same magnitude as the current CPU time. Any tips, pointers? An in-place algorithm would even be better, but speed is more important than being in-place. Target is Delphi, but it is more an algorithmic question. SSE(2) vectorization no problem, it is a big enough problem for me to code it in assembler Duplicates How do you rotate a two dimensional array?. Follow up to Nils' answer Image 2048x2700 - 2700x2048 Compiler Turbo Explorer 2006 with optimization on. Windows: Power scheme set to "Always on". (important!!!!) Machine: Core2 6600 (2.4 GHz) time with old routine: 32ms (step 1) time with stepsize 8 : 12ms time with stepsize 16 : 10ms time with stepsize 32+ : 9ms Meanwhile I also tested on a Athlon 64 X2 (5200+ iirc), and the speed up there was slightly more than a factor four (80 to 19 ms). The speed up is well worth it, thanks. Maybe that during the summer months I'll torture myself with a SSE(2) version. However I already thought about how to tackle that, and I think I'll run out of SSE2 registers for an straight implementation: for n:=0 to 7 do begin load r0, <source+n*rowsize> shift byte from r0 into r1 shift byte from r0 into r2 .. shift byte from r0 into r8 end; store r1, <target> store r2, <target+1*<rowsize> .. store r8, <target+7*<rowsize> So 8x8 needs 9 registers, but 32-bits SSE only has 8. Anyway that is something for the summer months :-) Note that the pointer thing is something that I do out of instinct, but it could be there is actually something to it, if your dimensions are not hardcoded, the compiler can't turn the mul into a shift. While muls an sich are cheap nowadays, they also generate more register pressure afaik. The code (validated by subtracting result from the "naieve" rotate1 implementation): const stepsize = 32; procedure rotatealign(Source: tbw8image; Target:tbw8image); var stepsx,stepsy,restx,resty : Integer; RowPitchSource, RowPitchTarget : Integer; pSource, pTarget,ps1,ps2 : pchar; x,y,i,j: integer; rpstep : integer; begin RowPitchSource := source.RowPitch; // bytes to jump to next line. Can be negative (includes alignment) RowPitchTarget := target.RowPitch; rpstep:=RowPitchTarget*stepsize; stepsx:=source.ImageWidth div stepsize; stepsy:=source.ImageHeight div stepsize; // check if mod 16=0 here for both dimensions, if so -> SSE2. for y := 0 to stepsy - 1 do begin psource:=source.GetImagePointer(0,y*stepsize); // gets pointer to pixel x,y ptarget:=Target.GetImagePointer(target.imagewidth-(y+1)*stepsize,0); for x := 0 to stepsx - 1 do begin for i := 0 to stepsize - 1 do begin ps1:=@psource[rowpitchsource*i]; // ( 0,i) ps2:=@ptarget[stepsize-1-i]; // (maxx-i,0); for j := 0 to stepsize - 1 do begin ps2[0]:=ps1[j]; inc(ps2,RowPitchTarget); end; end; inc(psource,stepsize); inc(ptarget,rpstep); end; end; // 3 more areas to do, with dimensions // - stepsy*stepsize * restx // right most column of restx width // - stepsx*stepsize * resty // bottom row with resty height // - restx*resty // bottom-right rectangle. restx:=source.ImageWidth mod stepsize; // typically zero because width is // typically 1024 or 2048 resty:=source.Imageheight mod stepsize; if restx>0 then begin // one loop less, since we know this fits in one line of "blocks" psource:=source.GetImagePointer(source.ImageWidth-restx,0); // gets pointer to pixel x,y ptarget:=Target.GetImagePointer(Target.imagewidth-stepsize,Target.imageheight-restx); for y := 0 to stepsy - 1 do begin for i := 0 to stepsize - 1 do begin ps1:=@psource[rowpitchsource*i]; // ( 0,i) ps2:=@ptarget[stepsize-1-i]; // (maxx-i,0); for j := 0 to restx - 1 do begin ps2[0]:=ps1[j]; inc(ps2,RowPitchTarget); end; end; inc(psource,stepsize*RowPitchSource); dec(ptarget,stepsize); end; end; if resty>0 then begin // one loop less, since we know this fits in one line of "blocks" psource:=source.GetImagePointer(0,source.ImageHeight-resty); // gets pointer to pixel x,y ptarget:=Target.GetImagePointer(0,0); for x := 0 to stepsx - 1 do begin for i := 0 to resty- 1 do begin ps1:=@psource[rowpitchsource*i]; // ( 0,i) ps2:=@ptarget[resty-1-i]; // (maxx-i,0); for j := 0 to stepsize - 1 do begin ps2[0]:=ps1[j]; inc(ps2,RowPitchTarget); end; end; inc(psource,stepsize); inc(ptarget,rpstep); end; end; if (resty>0) and (restx>0) then begin // another loop less, since only one block psource:=source.GetImagePointer(source.ImageWidth-restx,source.ImageHeight-resty); // gets pointer to pixel x,y ptarget:=Target.GetImagePointer(0,target.ImageHeight-restx); for i := 0 to resty- 1 do begin ps1:=@psource[rowpitchsource*i]; // ( 0,i) ps2:=@ptarget[resty-1-i]; // (maxx-i,0); for j := 0 to restx - 1 do begin ps2[0]:=ps1[j]; inc(ps2,RowPitchTarget); end; end; end; end;

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• All my emails to Yahoo!, Hotmail and AOL are going to Spam, though I've implemented every validation

  - by Chetan

  Hi, I've implemented everything and checked everything (SPF, DomainKey, DKIM, reverse lookup), and only Gmail is allowing my emails to go to Inbox. Yahoo, Hotmail and AOL are all sending my messages to Spam. What am I doing wrong? Please help! Following are the headers of messages to Yahoo, Hotmail and AOL. I've changed names and domain names. The domain names I'm sending mail from are polluxapp.com and gemini.polluxapp.com. Yahoo: From Shift Licensing Tue Jan 26 21:55:14 2010 X-Apparently-To: [email protected] via 98.136.167.163; Tue, 26 Jan 2010 13:59:12 -0800 Return-Path: X-YahooFilteredBulk: 208.115.108.162 X-YMailISG: gPlFT1YWLDtTsHSCXAO2fxuGq5RdrsMxPffmkJFHiQyZW.2RGdDQ8OEpzWDYPS.MS_D5mvpu928sYN_86mQ2inD9zVLaVNyVVrmzIFCOHJO2gPwIG8c2L8WajG4ZRgoTwMFHkyEsefYtRLMg8AmHKnkS0PkPscwpVHtuUD91ghsTSqs4lxEMqhqw60US0cwMn_r_DrWNEUg_sESZsYeZpJcCCPL0wd6zcfKmtYaIkidsth3gWJPJgpwWtkgPvwsJUU_cmAQ8hAQ7RVM1usEs80PzihTLDR1yKc4RJCsesaf4NUO_yN1cPsbFyiaazKikC.eiQk4Z3VU.8O5Vd8i7mPNyOeAjyt7IgeA_ X-Originating-IP: [208.115.108.162] Authentication-Results: mta1035.mail.sk1.yahoo.com from=example.com; domainkeys=pass (ok); from=example.com; dkim=permerror (bad sig) Received: from 127.0.0.1 (EHLO gemini.example.com) (208.115.108.162) by mta1035.mail.sk1.yahoo.com with SMTP; Tue, 26 Jan 2010 13:59:12 -0800 Received: from gemini.example.com (gemini [127.0.0.1]) by gemini.example.com (Postfix) with ESMTP id 3984E21A0167 for ; Tue, 26 Jan 2010 13:55:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=example.com; h=to :subject:from:content-type:message-id:date; s=mail; bh=bRIHfxE3S e+YeCrIOqziZsiESJA=; b=J+D56Czff+6wGjQycLEvHyT32+06Nngf+6h7Ep6DL SmmJv3ihiAFJIJiPxiwLNpUsOSHhwJYjYQtynbBnag40A6EUBIsucDR+VoEYD+Cc 9L0dV3QD5D77VpG9PnRQDQa91R+NPIt5og9xbYfUWJ1b/jXkZopb0VTM+H9tandM 24= DomainKey-Signature: a=rsa-sha1; c=nofws; d=example.com; h=to:subject :from:content-type:message-id:date; q=dns; s=mail; b=pO5YvvjGTXs 3Qa83Ibq9woLq5VSsxUD5uoSrjNrW9ICMmdWyJpb9oT5byFR9hMthomTmfGWkkh6 3VxtD0hb0HVonN+1iheqJ9QBBOctadLCAOPZV3mfA99XUu7Y0DR2qtkU/UkSe8In 5PENWFbwub88ZsRDiW3hCbNHl+UO8Jsc= Received: by gemini.example.com (Postfix, from userid 502) id 386DE21A0166; Tue, 26 Jan 2010 13:55:14 -0800 (PST) To: [email protected] Subject: Shift License For James Xavier From: "Shift Licensing" Content-type: text/html Message-Id: <[email protected] Date: Tue, 26 Jan 2010 13:55:14 -0800 (PST) Content-Length: 282` Hotmail: X-Message-Delivery: Vj0xLjE7dXM9MDtsPTA7YT0wO0Q9MjtTQ0w9Ng== X-Message-Status: n:0 X-SID-PRA: [email protected] X-AUTH-Result: NONE X-Message-Info: 6sSXyD95QpWzUBaRfzf3NMbaiSGCCYGXSczlzLw49r01I25elu3oYM0V2uNa8BV2O7DOiFEeewTBKMtN+PW+ig== Received: from gemini.example.com ([208.115.108.162]) by snt0-mc4-f7.Snt0.hotmail.com with Microsoft SMTPSVC(6.0.3790.3959); Tue, 26 Jan 2010 13:18:53 -0800 Received: from gemini.example.com (gemini [127.0.0.1]) by gemini.example.com (Postfix) with ESMTP id 9431321A0167 for ; Tue, 26 Jan 2010 13:18:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=gemini.example.com; h=to :subject:message-id:date:from; s=mail; bh=DLF0k+uELpY6If5o3SWlSj 7j0vw=; b=nAMpb47xTVh73y6a2rf6V1rtYHuufr46dtuwWtHyFC85QKfZJReJJL oFIPjgEC28/1wSdy8VbfLG1g64W1hvnJjet3rcyv3ANNYxnFaiH5yt3SDEiLxydS gjCmNcZXyiVsWtpv7atVRO/t/Own+oFB9zz/9mj43Bhm4bnZ2cTno= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gemini.example.com; h=to :subject:message-id:date:from; q=dns; s=mail; b=sFpNxlskyz4MYT38 BA/rQ6ZAcQjhy7STkLPckrCDVVZcE4/zukHyARq7guMtYCCEjXoIbVEtNikPC97F cGpJGGZrppTGjx62N0flxG8hvwejiJYnUJF1EIP4JckGWyEI+21vtWLLQ27eegtN fs9OkIQ2iUPC/4u8N1eqiff0VZU= Received: by gemini.example.com (Postfix, from userid 504) id 8ED7221A0166; Tue, 26 Jan 2010 13:18:53 -0800 (PST) To: [email protected] Subject: Testing this Message-Id: <[email protected] Date: Tue, 26 Jan 2010 13:18:53 -0800 (PST) From: [email protected] Return-Path: [email protected] X-OriginalArrivalTime: 26 Jan 2010 21:18:54.0039 (UTC) FILETIME=[29CEE670:01CA9ECD] AOL: X-AOL-UID: 3158.1902377530 X-AOL-DATE: Tue, 26 Jan 2010 5:07:23 PM Eastern Standard Time Return-Path: Received: from rly-mg06.mx.aol.com (rly-mg06.mail.aol.com [172.20.83.112]) by air-mg06.mail.aol.com (v126.13) with ESMTP id MAILINMG061-a1d4b5f6787a4; Tue, 26 Jan 2010 17:07:22 -0500 Received: from gemini.example.com (gemini.example.com [208.115.108.162]) by rly-mg06.mx.aol.com (v125.7) with ESMTP id MAILRELAYINMG067-a1d4b5f6787a4; Tue, 26 Jan 2010 17:07:04 -0500 Received: from gemini.example.com (gemini [127.0.0.1]) by gemini.example.com (Postfix) with ESMTP id 32B3821A0167 for ; Tue, 26 Jan 2010 14:07:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=gemini.example.com; h=to :subject:message-id:date:from; s=mail; bh=RL0GLHd3dZ8IlIHoHIhA/U cLtUE=; b=BKg4p3qnaIdFRjAbvUa+Hwcyc6W91v4B4hN95dVymJrxyUBycWMUSC nzKmJ5QllhCYjwO+S7GrRdmlFpjBaK8kt2qmdCyC2UuiDF6xY6MXx/DBF56QpYtZ YDY4kXdiEMSbooH14B4CCPhaCTdC1wCtV0diat3EANCLxSDYAYq5k= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gemini.example.com; h=to :subject:message-id:date:from; q=dns; s=mail; b=fDSjNpfWs7TfGXda uio8qbJIyD+UmPL+C0GM1VeeV8FADj6JiYIT1nT3iBwSHlrLFCJ1wxPbE4d9CGl8 gQkPIV6T4TL7ha052nur0EOWoBLoBAOmhTshF/gsIY+/KMibbIczuRyTgIGVV5Tw GZVGFddVFOYgee7SAu0KNFm7aIk= Received: by gemini.example.com (Postfix, from userid 504) id 2D5F521A0166; Tue, 26 Jan 2010 14:07:03 -0800 (PST) To: [email protected] Subject: Testing Message-Id: <[email protected] Date: Tue, 26 Jan 2010 14:07:03 -0800 (PST) From: [email protected] X-AOL-IP: 208.115.108.162 X-AOL-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-d227.1 ; domain : gemini.example.com DKIM : pass X-Mailer: Unknown (No Version) Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit

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• How to stop Microsoft IntelliType Pro (itype.exe) from interpreting keys

  - by Asaf R

  Intellitype Pro is a nice software that helps me when I'm using my Ms keyboard. When I'm on the road using my laptop's built-in keyboard it interprets some of the keys incorrectly and reacts on them, for instance the Fn + Down Arrow opens Windows Live Messenger (in addition to lowering brightness, which is governed by Dell's driver). I want to stop Intellitype when I'm on the road and reload it when I'm home using the external keyboard. Note: original problem (conflict with itype) posted here.

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• Bazaar merge identical files

  - by Kristopher Ives

  I have two Bazaar (bzr) repositories that have very similar content. I'm trying to identify the differences and incrementally synchronize. My current strategy is to bzr add files to both repos and then use bzr merge to identify and resolve conflicts. The problem is that even if the file contents are identical it creates a conflict and a .moved file. What can I do to stop these conflicts or use a better workflow?

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• USB mouse disconnecting and reconnecting randomly and often

  - by Marc

  Specs: Q6600, evga 780I sli mobo, 4gig RAM, logitech MX518, windows 7 64bit, evga gtx 260, 650W power supply (single rail) The problem I am having is my mouse will reconnect/disconnect (will even hear the sounds from windows) and the light on the bottom of the mouse will turn off/turn on as it starts working again. It really sucks to be playing a game (and happens on desktop as well) for the mouse to just die out for a few seconds and come back. Sometimes it will not happen for days and other times it will do it 2 or more times within 15 seconds. I have tried two different wired mice, have tried multiple USB ports (on front of computer, back of computer, have also used a USB hub and have also plugged in a card that connects to the USB connectors on the motherboard and adds a few usb ports to the back of the computer, and I also bought a USB 2.0 PCI card and that did not help). Nothing else seems to reconnect like this, my usb keyboard has never once cut out like the mouse does and neither have any of the other devices I have connected (webcam, usb hub, various devices sometimes connected through usb cables, and IR reciever for windows media center remote). I have disconnected all usb devices except for my keyboard and mouse and the problem still occurs. I guess it could be something wrong with my motherboard but since no other devices behave similarly I'm just hoping that it is some kind of driver conflict. Installing logitech's drivers has had no effect. It seemed at first that if I go to device manager and uninstall HID-compliant mouse (that and logitech mx518 are listed) that would fix it but it doesn't seem to work anymore or at least not every time (it keeps reinstalling). I have googled "usb mouse disconnects and reconnects" and it seems to be fairly common but none of those were resolved. To stick some easy steps: It happens with or without the drivers installed It has happened with multiple mice on the same computer Bios is the latest version (P08) Motherboard drivers are the latest version Device manager is listing no problems on any USB devices Happens with every usb port, even addon usb cards Happens when all usb devices aside from mouse and keyboard are unplugged I read that maybe it is an IRQ conflict and I tried to look into that but did not really know what was going on, but didn't see anything obviously wrong. Thanks for any help guys, its driving me crazy!

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• use SVN @ client end and CM synergy @ server side

  - by Ravisha

  We are using CM synergy client as version control,but we find it very complicated.We are mostly biased with SVN client tool.Is there a way to configure svn at client end but maintain CM synergy @ server side.This would help us a lot ,bcos merging and conflict resolution is very simple in SVN.I do not know where to go about this solution,any initial help will be very helpful CM synergy www.windriver.com/cgi-bin/partnerships/directory/viewProd.cgi?id=1451 SVN tortoisesvn.tigris.org/

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• OpenVPN/Tunnelblick through wireless router, no connection.

  - by Oscar

  I'm using OpenVPN with Tunneblick on my Macbook Pro to access a server on my job. I't works fine, but i can't get it working with my Netgear WGT624v3 wireless router. I get this warning: WARNING: potential route subnet conflict between local LAN [192.168.1.0/255.255.255.0] and remote VPN [192.168.1.0/255.255.255.0] Someone told me that i should "port forward" on my router, but i can't figure out the right settings. Also not shure i'm doing it right.

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• nocheck within admin file for pkgadd still asks questions

  - by romant

  I place the following into an admin file called noask mail= instance=overwrite partial=nocheck runlevel=nocheck idepend=nocheck rdepend=nocheck space=nocheck setuid=nocheck conflict=nocheck action=nocheck basedir=default Then run pkgadd -a noask -d sed-4.1.5-sol10-x86-local - yet am still queried for: 'Select package(s) you wish to process' Is there a way around the questioning without doing an "echo yes" at the front? Thank you

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• Will using FAT32 provide better pagefile performance than NTFS?

  - by llazzaro

  Hello, I was discussing with my others personalities, and came up with a conflict. In http://technet.microsoft.com/en-us/library/cc938440.aspx , says that FAT32 is faster when using smaller volumes. Ok separate disk, will give more performance than same disk. But did anyone test this? Scenario 1 : Separate hard disk FAT32 (small volume) Scenario 2 : Separate hard disk NTFS which one will win? minimum gain?

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• Batch copy multiple folders and their subfolders to another folder

  - by DjLenny

  I have a folder X:\Export that has several folders X:\Export\Export1 X:\Export\Export2 X:\Export\Export3 etc. (names vary by a large factor) each Export folder has the same subdirectory structure but have different files. I would like to copy all the subfolders and the files of X:\Export\Export1 X:\Export\Export2 X:\Export\Export3 to a folder X:\Export\mergedExports keeping the subdirectory structure pseudocode of what I would like to do but cannot get working properly create new folder "merged" for (every folder X in a given directory Y) copy every file in X keeping directory structure to "merged" If conflict then overwrite

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• What is the relation between NetworkManager and network service in Fedora/RHEL/Centos?

  - by Patrick L

  Hi I am new to Fedora/Centos/RHEL. I am confused about NetworkManager and network service in these Linux OS. May I know what is the relation between NetworkManager and network service? If I am using NetworkManager, do i need to turn off network service? Similarly, if I am using network service, do I need to turn off NetworkManager? Will they conflict with each other if I use both application at the same time?

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• Can i install wamp and xampp on same computer?

  - by mysqllearner

  Currently I am using wamp 2.X, and been using it for 1 year. Recently I found this XAMPP, and it looks pretty good (well, I could say AWESOME), can I install XAMPP and WAMP on same computer? Will it crash or conflict each other? I already back up my wamp files, but I just dont want to waste my time to install and uninstall and install again. Thats why I am asking this question here.

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