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Articles indexed in April 2012

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• nautilus will not start, no right click menu, apps will not run due to 64bit libicui18n.so.48 overwritten with 32bit, ubuntu 12.04

  - by Dewb

  yeah so i broke my system trying to install support for 32bit apps. Somehow the 32bit set of libicu*.so.48 files replaced my 64bit files and now nothing works. I know what the problem is and how to fix it , what i need is some help. I need some kind soul running a 64bit install of Ubuntu 12.04 to simply go into their /usr/lib dir and copy the files that have the form libicu*.so.48* (8 of them i think, maybe 16 i dunno how many there is supposed to be since they were overwritten). Anyway if you could put those files in an archive, zip or tar preferred and then email/share the link. I was able to get these files installed but they're from the latest edition of fedora and while i can now use my computer , it's not that stable things don't start right smoothly every time like they used to .... and well its a simple ordeal to put things back the way they were if someone wouldn't mind helping out. also any help setting up the libraries related to 32bit apps would be great as well as i apparently screwed that up royally. Thanks for any help or advice

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• bash terminal/console strange overlapping behavior

  - by UpKey

  I am using gnome-terminal in Ubuntu 11.10 and seem to get long lines overlapping in the terminal window. When I copy a long command line and paste it into the terminal, the text gets overlapped to the start of the line and often covers the user prompt. If I resize the terminal window, making it wider the overlapping gets undone and everything looks normal. In previous versions of Ubuntu, if a line was too long it would continue on the next line below. Another problem I have noticed that may be related, is when using the up arrow key to show previously typed commands, sometimes instead of the output command line being replaced by the previous command each time the key is pressed, the lines get partially merged. A portion of the old line remains, and the next command gets joined onto the end. This leftover part of a command is persistent and does not get replaced next time the key is pressed, although the insertion point or blinking cursor is at the end of the latest recalled command, and the leftover has no effect if I press enter. Is this problem a bug or some setting that needs fixing? Where do I look for the cause? keyboard? gnome-terminal? bash? Thank you for any help or suggestions offered

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• Problem installing drivers for Brother DCP-1400

  - by ToddB

  I have a problem installing drivers for my DCP-1400 printer. I am using Ubuntu 11.10 and am new to Ubuntu and Linux in general. I downloaded the lpr and cupswrapper files from the Brother linux site into my Download directory. I next run Terminal and switch to the Downloads directory. At the prompt I type in the following: sudo dpkg -i --force-all dcp1400lpr-1.1.2-1.386.deb It asks for my password which I type in and press Enter. I get the following errors: (Reading database ... 155195 files and directories currently installed.) Preparing to replace dcp1400lpr 1.1.2-1 (using dcp1400lpr-1.1.2-1.i386.deb) ... Unpacking replacement dcp1400lpr ... /var/lib/dpkg/info/dcp1400lpr.postrm: 3: /etc/init.d/lpd: not found dpkg: warning: subprocess old post-removal script returned error exit status 127 dpkg - trying script from the new package instead ... /var/lib/dpkg/tmp.ci/postrm: 3: /etc/init.d/lpd: not found dpkg: error processing dcp1400lpr-1.1.2-1.i386.deb (--install): subprocess new post-removal script returned error exit status 127 /var/lib/dpkg/tmp.ci/postrm: 3: /etc/init.d/lpd: not found dpkg: error while cleaning up: subprocess new post-removal script returned error exit status 127 Errors were encountered while processing: dcp1400lpr-1.1.2-1.i386.deb I now notice when I open the Synaptics package manager I get the message: E: The package dcp1400lpr needs to be reinstalled, but I can't find an archive for it. E: Internal error opening cache (1). Please report. Any help provided would be appreciated. Thank you TB

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• best command line tool to join videos

  - by user1079002

  I have used ffmpeg, but with it you have to first make mpg videos then do cat video1.mpg video2.mpg > joined.mpg and then convert to joined.mpg to joined.mp4 with ffmpeg to be able to upload on youtube. I heard there's mencoder which can join avi files without converting to mpg and using cat command. I'm making videos to upload on youtube so it needs to be avi mp4 or flv format. Which tool is the best to join videos from command line?

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• Is there a modern tutorial for setting up SSL on apache2?

  - by John Baber

  I've been running apache2 for ages on my ubuntu server without SSL. Now that I want to have some directories delivered by SSL, I can't find any straightforward tutorials that were written recently. The best I've found is http://vanemery.com/Linux/Apache/apache-SSL.html but it tells me to put stuff in /etc/httpd/conf I don't want to guess that that should translate to /etc/apache2/conf because guessing based on old tutorials has ruined my web serving before.

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• Flash intro or embedded video?

  - by Ray

  So a client of mine wants his homepage to start off something like this: http://www.roche-bobois.com/#/en-CA/home (It's basically a Flash intro that starts with a vector drawing of a furniture showroom that eventually transitions into the image of the actual showroom). Given that some of his users will be using an iPad to view his site, what are some of the alternatives that other developers here use? I'm thinking: Option 1: With PHP, detect if the user is using an iPad/iPhone by checking their user agent string. If they are using a mobile device, then forward to m.abccompany.com (mobile version of the site). Option 2: Convert the Flash video to MP4 or AVI and then embed that, which would allow all users to view his site. Any suggestions if either of these approaches are a good idea?

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• How To Track "Similar Product/Page" Links In Internal Site

  - by Petra Barus

  So I just created a new widget that would show up in a product page in my site. This widget will show several products similar to the product that is displayed in the current page. The purpose is to help users compare similar products. Let's say in the product page A http://domain/products/A The Similar Products widget will show http://domain/products/B http://domain/products/C http://domain/products/D http://domain/products/E My question is how to track this "Product B page were visited X times from Product A page via Similar Product widget"? (And there is also chance that Product B will show up in the widget on Product C page) I have this idea using the Event feature from Google Analytics. But I'm still not sure if it is or what is the common best practice for this.

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• Static HTML to Wordpress Migration SEO Implications?

  - by Kayle

  Recently, I migrated a client's site to a new server and a new home within wordpress so they could more easily edit their website and start a blog section. The static site was 10 years old a was showing up at place #3 for it's primary keyword, consistently, according to my client, and has dropped to rank #6-8 following the migration. At launch, we made sure the urls were identical (save the removal of ".htm" which we used 301 redirects to compensate for) and we generated a new XML map and pinged google with the new site. We keep a 404 log to make sure we're not losing any incoming links. We also have Google Webmaster Tools on this site and have zero errors/suggestions, everything seems ok. I was told by numerous sources that Google would not penalize us for the use of 301s, but it's the only thing I can think of right now that is different about the site, other than the platform. Any ideas about what we could be getting docked for?

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• What to learn to make a photo gallery site like this? [closed]

  - by Steven Chen

  I started a Wordpress site for my blog but now I want to start another domain for sharing my photos. I used to use Flickr but it requires you to sign up for Flickr Pro if you want to upload over a certain amount of photos. Since I don't want to pay for that, I'm looking to create a photo gallery site like this: http://10mmgalore.com/ or http://www.shuttermaki.com/ But how do you go about with that? Would I be able to install Wordpress and find a theme like that? And/Or are there any Wordpress plugins that I can install to make it like look like that? Or do I need different tools and platforms asides from Wordpress? So can someone list the features, tools and information that I need to make a photo gallery site? The main functions that I want for my site is to have a picture in the middle and when the user clicks on the photo, it goes to the next photo; or there are left and right arrows that users can click to the next photo. I just want to create an album website for my 365 days project (a photo a day). It doesn't have to be as fancy as the sites mentioned above. Thank you!

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• I am building a simply website for my mobile app & need good recommendation on where to host it [closed]

  - by Gob00st

  Possible Duplicate: How to find web hosting that meets my requirements? 1Question 1 I am building a simply website for my mobile app & need good recommendation on where to host it ? I am not expectation a large access volume any time soon but I want stability in general & considering I am just starting to do my 1st app, so I probably need it to be relative cheap. Please recommend me some stale & cost effective web hosting service ? 2Question 2 Also since I am some what new to web development (know basic HMTL & have used front page/dream weaver like 10 years ago, but haven't touched it for ages). But I am a good c++ software developer. How to you recommend me to build a simple static website(maybe just a few pages) for my mobile app ? Any template or tool recommendation ? Thanks a lot.

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• Tracking referrals between profiles on the same domain in Google Analytics

  - by doctororange

  I have a website at mydomain.com that uses Analytics. I have a blog that resides at mydomain.com/blog/, which also uses Analytics They are on different profiles. The main site uses something like: _gaq.push(['_setAccount', 'UA-XXXXXXXX-6']); While the blog uses: _gaq.push(['_setAccount', 'UA-XXXXXXXX-7']); _gaq.push(['_setCookiePath', '/blog/']); My issues is that this seems not to track referrals from the blog through to the main site when, for instance, the logo which links to the main site is clicked. Ideally, I would like the clicks of this logo to report that the source was mydomain.com/blog/, but because they are at the same domain they seem to register as direct traffic. Have I missed a step in my configuration, or will I have to resort to linking to something like mydomain.com?ref=blog? Thank you.

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• How would I achieve diablo like 2D isometric projection?

  - by Darestium

  Good day, I am in the process of coming up with an idea for a game, and I would like it to be isometric like Diablo. The problem is I have no idea how it achieves the effect of height like in the following screenshot (on the columns): http://upload.wikimedia.org/wikipedia/en/thumb/2/20/Diabloscreen.jpg/350px-Diabloscreen.jpg but whatever the case, I'm sure it is going to be harder to achieve then creating a traditional isometric game, but any ideas regarding the topic would be greatly appreciated.

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• How to avoid the GameManager god object?

  - by lorancou

  I just read an answer to a question about structuring game code. It made me wonder about the ubiquitous GameManager class, and how it often becomes an issue in a production environment. Let me describe this. First, there's prototyping. Nobody cares about writing great code, we just try to get something running to see if the gameplay adds up. Then there's a greenlight, and in an effort to clean things up, somebody writes a GameManager. Probably to hold a bunch of GameStates, maybe to store a few GameObjects, nothing big, really. A cute, little, manager. In the peaceful realm of pre-production, the game is shaping up nicely. Coders have proper nights of sleep and plenty of ideas to architecture the thing with Great Design Patterns. Then production starts and soon, of course, there is crunch time. Balanced diet is long gone, the bug tracker is cracking with issues, people are stressed and the game has to be released yesterday. At that point, usually, the GameManager is a real big mess (to stay polite). The reason for that is simple. After all, when writing a game, well... all the source code is actually here to manage the game. It's easy to just add this little extra feature or bugfix in the GameManager, where everything else is already stored anyway. When time becomes an issue, no way to write a separate class, or to split this giant manager into sub-managers. Of course this is a classical anti-pattern: the god object. It's a bad thing, a pain to merge, a pain to maintain, a pain to understand, a pain to transform. What would you suggest to prevent this from happening?

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• Adding cards to a vector for computer card game

  - by Tucker Morgan

  I am writing a Card game that has a deck size of 30 cards, each one of them has to be a unique, or at least a another (new XXXX) statement in a .push_back function, into a vector. Right now my plan is to add them to a vector one at a time with four separate, depending on what deck type you choose, collections of thirty .push_back functions. If the collection of card is not up for customization, other than what one of the four suits you pick, is there a quicker way of doing this, seems kinda tedious, and something that someone would have found a better way of doing.

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• Multiple render targets and gamma correctness in Direct3D9

  - by Mario

  Let's say in a deferred renderer when building your G-Buffer you're going to render texture color, normals, depth and whatever else to your multiple render targets at once. Now if you want to have a gamma-correct rendering pipeline and you use regular sRGB textures as well as rendertargets, you'll need to apply some conversions along the way, because your filtering, sampling and calculations should happen in linear space, not sRGB space. Of course, you could store linear color in your textures and rendertargets, but this might very well introduce bad precision and banding issues. Reading from sRGB textures is easy: just set SRGBTexture = true; in your texture sampler in your HLSL effect code and the hardware does the conversion sRGB-linear for you. Writing to an sRGB rendertarget is theoretically easy, too: just set SRGBWriteEnable = true; in your effect pass in HLSL and your linear colors will be converted to sRGB space automatically. But how does this work with multiple rendertargets? I only want to do these corrections to the color textures and rendertarget, not to the normals, depth, specularity or whatever else I'll be rendering to my G-Buffer. Ok, so I just don't apply SRGBTexture = true; to my non-color textures, but when using SRGBWriteEnable = true; I'll do a gamma correction to all the values I write out to my rendertargets, no matter what I actually store there. I found some info on gamma over at Microsoft: http://msdn.microsoft.com/en-us/library/windows/desktop/bb173460%28v=vs.85%29.aspx For hardware that supports Multiple Render Targets (Direct3D 9) or Multiple-element Textures (Direct3D 9), only the first render target or element is written. If I understand correctly, SRGBWriteEnable should only be applied to the first rendertarget, but according to my tests it doesn't and is used for all rendertargets instead. Now the only alternative seems to be to handle these corrections manually in my shader and only correct the actual color output, but I'm not totally sure, that this'll not have any negative impact on color correctness. E.g. if the GPU does any blending or filtering or multisampling after the Linear-sRGB conversion... Do I even need gamma correction in this case, if I'm just writing texture color without lighting to my rendertarget? As far as I know, I DO need it because of the texture filtering and mip sampling happening in sRGB space instead, if I don't correct for it. Anyway, it'd be interesting to hear other people's solutions or thoughts about this.

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• How is the iOS support in UDK compared to Unity?

  - by Joe

  I have some significant experience in Unity for web clients, but I'm skeptical about the 3K$ price tag to create/deploy iOS games. I noticed UDK now supports iOS, and appears to have "free" version control- and it's only 100$ from what I can tell. My primary question is: Does UDK make iOS development and deployment easy, or do you have to jump through a couple of hoops to make it work? A few side questions not worth another post: How hard is the transition from Unity to UDK? Is UnrealScript easy to pick up from a C/C# background? Does the UDK have good documentation compared to Unity?

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• Displaying a grid based map using C++ and sdl

  - by user15386

  I am trying to create a roguelike game using c++ and SDL. However, I am having trouble getting it to display the map, which is represented by a 2d array of a tile class. Currently, my code is this: for (int y = 0; y!=MAPHEIGHT; y++) { for (int x = 0; x!=MAPWIDTH 1; x++) { apply_surface( x * TILEWIDTH, y * TILEHEIGHT, mymap[x][y].image, screen ); } } However, running this code causes it to both dither for a while before opening the SDL window, and (usually) tell me there is an access violation. How can I display my map?

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• Wordpress Query Compare operator not working?

  - by Liam

  I have the following wordpress query... $args = array('orderby' => 'meta_value_num', 'meta_key' => 'order', 'order' => 'ASC', 'meta_query' => array( array( 'key' => $customkey, 'value' => $customvalue, 'compare' => '=' ), array( 'key' => $customkey1, 'value' => $customvalue1, 'compare' => '=' ), array( 'key' => 'coverageRegion', 'value' => 'national', 'compare' => '=' ), array( 'key' => 'vehicleType', 'value' => 'psv', 'compare' => '!=' ) ) ); I want to return posts where there custom field 'Vechicle Type' is not PSV, The above however returns posts with exactly that, has anybody come across this before? Seems im not the only one neither... http://wordpress.org/support/topic/meta_query-without-key-results-in-compare-of-not-like-not-working

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• Is there a way to make XmlDocument parsing less strict

  - by Istrebitel

  I am making a program that will store its data in an XML file. When people write XML they can make subtle mistakes, like ending a comment with - so it looks like <!-- comment ---> or adding a </>inside an attribute. Naturally, the XML still can be read all right, but trying to input this text into XmlDocument will give a syntax error (and it wont be parsed). Is there a way to make XmlDocument less strict and make it ignore violations of the standard that do not make the document unparseable? For example, its clear that <!-- comment ---> is still a comment even though it contains - at the end which is against the standard specification).

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• Mono-LibreOffice System.TypeLoadException

  - by Marco

  In the past I wrote a C# library to work with OpenOffice and this worked fine both in Windows than under Ubuntu with Mono. Part of this library is published here as accepted answer. In these days I discovered that Ubuntu decided to move to LibreOffice, so I tried my library with LibreOffice latest stable release. While under Windows it's working perfectly, under Linux I receive this error: Unhandled Exception: System.TypeLoadException: A type load exception has occurred. [ERROR] FATAL UNHANDLED EXCEPTION: System.TypeLoadException: A type load exception has occurred. Usually Mono tells us which library can't load, so I can install correct package and everything is OK, but in this case I really don't know what's going bad. I'm using Ubuntu oneiric and my library is compiled with Framework 4.0. Under Windows I had to write this into app.config: <?xml version="1.0"?> <configuration> <startup useLegacyV2RuntimeActivationPolicy="true"> <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0,Profile=Client"/> </startup> </configuration> because LibreOffice assemblies uses Framework 2.0 (I think). How can I find the reason of this error to solve it? Thanks UPDATE: Even compiling with Framework 2.0 problem (as expected) is the same. Problem (I think) is that Mono is not finding cli-uno-bridge package (installable on previous Ubuntu releases and now marked as superseded), but I cannot be sure. UPDATE 2: I created a test console application referencing cli-uno dlls on Windows (they are registered in GAC_32 and GAC_MSIL). CONSOLE app static void Main(string[] args) { Console.WriteLine("Starting"); string dir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location); string doc = Path.Combine(dir, "Liberatoria siti web.docx"); using (QOpenOffice.OpenOffice oo = new QOpenOffice.OpenOffice()) { if (!oo.Init()) return; oo.Load(doc, true); oo.ExportToPdf(Path.ChangeExtension(doc, ".pdf")); } } LIBRARY: using unoidl.com.sun.star.lang; using unoidl.com.sun.star.uno; using unoidl.com.sun.star.container; using unoidl.com.sun.star.frame; using unoidl.com.sun.star.beans; using unoidl.com.sun.star.view; using unoidl.com.sun.star.document; using System.Collections.Generic; using System.IO; using System; namespace QOpenOffice { class OpenOffice : IDisposable { private XComponentContext context; private XMultiServiceFactory service; private XComponentLoader component; private XComponent doc; public bool Init() { Console.WriteLine("Entering Init()"); try { context = uno.util.Bootstrap.bootstrap(); service = (XMultiServiceFactory)context.getServiceManager(); component = (XComponentLoader)service.createInstance("com.sun.star.frame.Desktop"); XNameContainer filters = (XNameContainer)service.createInstance("com.sun.star.document.FilterFactory"); return true; } catch (System.Exception ex) { Console.WriteLine(ex.Message); if (ex.InnerException != null) Console.WriteLine(ex.InnerException.Message); return false; } } } } but I'm not able to see "Starting" !!! If I comment using(...) on application, I see line on console... so I think it's something wrong in DLL. There I'm not able to see "Entering Init()" message on Init(). Behaviour is the same when LibreOffice is not installed and when it is !!! try..catch block is not executed...

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• xDebug cant find my files. Always looks in localhost

  - by sleeper

  I'm running win7-64bit, NetBeans 7.1.1 and WampServer 2.2 (which has xDebug) I've configured php.ini (xdebug.remote_enable=on, etc.) I create a directory (virtual host called example.dev) and add a test file. (c:/wamp/example/test-xdebug.php) I run debug in NetBeans and the following url displays: http://localhost/example/test-xdebug.php?XDEBUG_SESSION_START=netbeans-xdebug This fails. The browser coughs up the following error message. Not Found. The requested URL /example/test-xdebug.php was not found on this server. I add the correct path to the virtual host, and xDebug Runs Flawlessly: http://example.dev/test-xdebug.php?XDEBUG_SESSION_START=netbeans-xdebug Tried every configuration I could think of. If this is a php.ini config issue, I sure as heck cant find it. If its a NetBeans issue, there is not an option/interface to modify i (that I can find). Please illuminate! thanks sleeper

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• how to Retrieve the parameters of document.write to detect the creation of dynamic tags

  - by user1335906

  In my Project i am supposed to identify the dynamically created tags which can be done in scripts through document.write("<script src='jquery.js'></script>") For this i used Regular expressions and my code is as follows function find_tag_docwrite(text) { var attrib=new Object; var pat_tag=/<((\S+)\s(.*))>/g; while(t=pat_tag.exec(text) { var tag=RegExp.$1; for(i=0;i<tags.length;i++) { var pat=/(\S+)=((['"]*)(\S+)(['"]*)\3)/g; while(p=pat.exec(f)) { attr=RegExp.$1;val=RegExp.$4; attrib[attr]=val; } } } } in the above function text is parameters of document.write function. Now through this code i am getting the tag names and all the attributes of the tags. But for the below example the above code is not working var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); In such cases Regular expressions does not work so after searching some time where i found hooks on dom methods. so by using this i thought of creating hook for document.write method but i am able to understand how it is done i included the following code in my program but it is not working. function someFunction(text) { console.log(text); } document.write = someFunction; where text is the parameters of document.write. Another problem is After monitoring all the document.write methods using hooks again i have to use regex for finding tag creations. Is there Any alternative

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• Adding a column to a data.frame

  - by Susanne Dreisigacker

  I have the data.frame below. I want to add a column that classifies my data according to column 1 (h_no) in that way that the first series of h_no 1,2,3,4 is class 1, the second series of h_no (1 to 7) is class 2 etc. such as indicated in the last column. h_no h_freq h_freqsq 1 0.09091 0.008264628 1 2 0.00000 0.000000000 1 3 0.04545 0.002065702 1 4 0.00000 0.000000000 1 1 0.13636 0.018594050 2 2 0.00000 0.000000000 2 3 0.00000 0.000000000 2 4 0.04545 0.002065702 2 5 0.31818 0.101238512 2 6 0.00000 0.000000000 2 7 0.50000 0.250000000 2 1 0.13636 0.018594050 3 2 0.09091 0.008264628 3 3 0.40909 0.167354628 3 4 0.04545 0.002065702 3

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• How can I exclude LEFT JOINed tables from TOP in SQL Server?

  - by Kalessin

  Let's say I have two tables of books and two tables of their corresponding editions. I have a query as follows: SELECT TOP 10 * FROM (SELECT hbID, hbTitle, hbPublisherID, hbPublishDate, hbedID, hbedDate FROM hardback LEFT JOIN hardbackEdition on hbID = hbedID UNION SELECT pbID, pbTitle, pbPublisher, pbPublishDate, pbedID, pbedDate FROM paperback Left JOIN paperbackEdition on pbID = pbedID ) books WHERE hbPublisherID = 7 ORDER BY hbPublishDate DESC If there are 5 editions of the first two hardback and/or paperback books, this query only returns two books. However, I want the TOP 10 to apply only to the number of actual book records returned. Is there a way I can select 10 actual books, and still get all of their associated edition records? In case it's relevant, I do not have database permissions to CREATE and DROP temporary tables. Thanks for reading! Update To clarify: The paperback table has an associated table of paperback editions. The hardback table has an associated table of hardback editions. The hardback and paperback tables are not related to each other except to the user who will (hopefully!) see them displayed together.

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• How Proxy server works with tcp/http connections?

  - by Vivek

  Since I am a beginner in the world of internet/networking, I always mess up with these kinds of doubts in my head while programming ;) .. My doubts are, While working behind a proxy, how my requests and responses work? Means my request headers and data will first reach to Proxy server- then proxy server sends it(same headers and data) to corresponding server. And server responses to it with a response header and body to the proxy server-then proxy server sends it to my computer. Wright? While using websockets we are upgrading our http connection to tcp. At this time what is happening @ Proxy server? Does the proxyserver also upgrades its connection to plain TCP? After opening such TCP connections, does the proxy server able to track/log those socket messsages? And most importantly, Is the proxy server transparent or acting like an original server infront of a client? Thanks for any answers or helpful links in advance.

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