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• Remove multiple trailing slashes in a single 301 in .htaccess?

  - by Jakobud

  There is a similar question here, but the solution does not work in Apache for our site. I'm trying to remove multiple trailing slashes from URLs on our site. I found some .htaccess code that seems to work: RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_URI} ^(.*)//(.*)$ RewriteRule . %1/%2 [R=301,L] This rule removes multiple slashes from anywhere in the URL: http://www.mysite.com/category/accessories//// becomes http://www.mysite.com/category/accessories/ However, it redirects once for every extra slash. So: http://www.mysite.com/category/accessories/////// 301 Redirects to http://www.mysite.com/category/accessories////// 301 Redirects to http://www.mysite.com/category/accessories///// 301 Redirects to http://www.mysite.com/category/accessories//// 301 Redirects to http://www.mysite.com/category/accessories/// 301 Redirects to http://www.mysite.com/category/accessories// 301 Redirects to http://www.mysite.com/category/accessories/ Is it possible to rewrite this rule so that it does it all in a single 301 redirect? Also, this above directive does not work at the root level of our site: http://www.mysite.com///// does not redirect but it should.

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• KnockoutJS 2.3.0 - Uncaught Error: You cannot apply bindings multiple times to the same element.

  - by Aligned

  Originally posted on: http://geekswithblogs.net/Aligned/archive/2013/07/25/knockoutjs-2.3.0---uncaught-error-you-cannot-apply-bindings-multiple.aspxI upgrade KnockoutJs through Nuget and started getting the error ‘Uncaught Error: You cannot apply bindings multiple times to the same element.’ when I used applyBindings after the main page load. I had some dynamically added DOM elements and re-applying bindings worked before. It always seemed like a workaround/hack, but now Knockout is telling me that I shouldn’t do it. The quick way to fix this is to use ko.cleanNode($(‘#id’) and this works. A different/possibly better way, as suggested by x0n might be to use templates and Knockout’s template binding (<script type=’text/html’>…</script>).   Thanks again to the StackOverflow community for quickly providing me with the solution. Check out my question for all the details.

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• Content appearing under multiple categories; anything I can do to prevent duplicate penalty?

  - by dave

  I'm working with a CMS that allows me to post content in to multiple categories. So, I have this link: www.site.com/category/green-cars Here are the GREEN cars TITLE: A Big green car INTRO: this is a great big green car. But then I have this link: www.site.com/category/big-cars Here are the BIG cars TITLE: A Big green car INTRO: this is a great big green car. So essentially - for every item of content, header and the intro sentence is the same regardless of the category the item appears in. Will a search engine penalise the site for having the same content in this way? I've looked at canonical links, but I don't think this is relevant here. All my content points to the same page - but the content may appear in multiple categories first. Or am I worrying about nothing? Thanks.

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• What is the best way to have the same website in multiple domains?

  - by Daniel Magliola

  I would like to have the same website to sell a specific product, in multiple domains , to take advantage of keywords matching the domain name, for several different searches. However, I understand that having the same content in multiple sites will unleash the wrath of Google. If I have a redirect from all domains minus one, to that last one, do I still get any bonus for the "magic exact domain match jackpot"? Same question applies to canonical URLs... What's the best way to approach this? Thanks!

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• How to refactor my design, if it seems to require multiple inheritance?

  - by Omega

  Recently I made a question about Java classes implementing methods from two sources (kinda like multiple inheritance). However, it was pointed out that this sort of need may be a sign of a design flaw. Hence, it is probably better to address my current design rather than trying to simulate multiple inheritance. Before tackling the actual problem, some background info about a particular mechanic in this framework: It is a simple game development framework. Several components allocate some memory (like pixel data), and it is necessary to get rid of it as soon as you don't need it. Sprites are an example of this. Anyway, I decided to implement something ala Manual-Reference-Counting from Objective-C. Certain classes, like Sprites, contain an internal counter, which is increased when you call retain(), and decreased on release(). Thus the Resource abstract class was created. Any subclass of this will obtain the retain() and release() implementations for free. When its count hits 0 (nobody is using this class), it will call the destroy() method. The subclass needs only to implement destroy(). This is because I don't want to rely on the Garbage Collector to get rid of unused pixel data. Game objects are all subclasses of the Node class - which is the main construction block, as it provides info such as position, size, rotation, etc. See, two classes are used often in my game. Sprites and Labels. Ah... but wait. Sprites contain pixel data, remember? And as such, they need to extend Resource. But this, of course, can't be done. Sprites ARE nodes, hence they must subclass Node. But heck, they are resources too. Why not making Resource an interface? Because I'd have to re-implement retain() and release(). I am avoiding this in virtue of not writing the same code over and over (remember that there are multiple classes that need this memory-management system). Why not composition? Because I'd still have to implement methods in Sprite (and similar classes) that essentially call the methods of Resource. I'd still be writing the same code over and over! What is your advice in this situation, then?

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• Which 3D file formats support multiple animations? [on hold]

  - by Justin

  I'm working on a 3D application that uses Assimp to import 3D models with animations. Personally, I use Blender to create the models and animations. I'm having trouble exporting multiple animations, however. For example, I'd like to have an idle animation, a walk animation, a run animation, etc. So far I've tried COLLADA and DirectX without much success. The COLLADA export will include the first animation, but not any of the others. The DirectX doesn't include any animation. Which 3D file formats support multiple animations? (Preferably one that Assimp can import. Also, the Assimp website says that it doesn't support .blend files with animation, otherwise I'd just do that.)

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• Possible / How to render to multiple back buffers, using one as a shader resource when rendering to the other, and vice versa?

  - by Raptormeat

  I'm making a game in Direct3D10. For several of my rendering passes, I need to change the behavior of the pass depending on what is already rendered on the back buffer. (For example, I'd like to do some custom blending- when the destination color is dark, do one thing; when it is light, do another). It looks like I'll need to create multiple render targets and render back and forth between them. What's the best way to do this? Create my own render textures, use them, and then copy the final result into the back buffer. Create multiple back buffers, render between them, and then present the last one that was rendered to. Create one render texture, and one back buffer, render between them, and just ensure that the back buffer is the final target rendered to I'm not sure which of these is possible, and if there are any performance issues that aren't obvious. Clearly my preference would be to have 2 rather than 3 default render targets, if possible.

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• Is it good to use same keyword for multiple pages in one domain?

  - by Phanen

  Hi, I want to know after Google recent updates, will it be good opt to use same keywords for multiple pages? Say- my keyword is "driver update" and I have a folder "HP" in website. Hp has lots of models like HP Elitebook, HP Envy, HP Mini, HP Pavilion and much more. HP Elitebook has many versions like HP Elitebook 2530p, HP Elitebook 2730p, HP Elitebook 8530w. Now should I create pages like "Driver update in HP Elitebook 2530p" , "Driver update in HP Elitebook 2730p", "Driver update in P Elitebook 8530w" or a single page "Driver update in HP Elitebook"? Which one will be the best option for better SE ranking- " single page or multiple pages using same keyword for different model versions" ?

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• If you should only have one assertion per test; how to test multiple inputs?

  - by speg

  I'm trying to build up some test cases, and have read that you should try and limit the number of assertions per test case. So my question is, what is the best way to go about testing a function w/ multiple inputs. For example, I have a function that parses a string from the user and returns the number of minutes. The string can be in the form "5w6h2d1m", where w, h, d, m correspond to the number of weeks, hours, days, and minutes. If I wanted to follow the '1 assertion per test rule' I'd have to make multiple tests for each variation of input? That seems silly so instead I just have something like: self.assertEqual(parse_date('5m'), 5) self.assertEqual(parse_date('5h'), 300) self.assertEqual(parse_date('5d') ,7200) self.assertEqual(parse_date('1d4h20m'), 1700) In the one test case. Is there a better way?

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• What would be topic for research in on edge of multiple processors / computers programming?

  - by Kabumbus

  I mean what is not already there? What can be developed in fiew month and give a breakthrue/ start a new leap in science of f multiple computers programming? What i see is already there MPI/ Bit torrent/Jabber protocols / APIs / servers for messaging LAN / wire and other infrastractural cabels for connecting Boost and analogs on evry OS in most languages for multithreading there are lots of CUDA like on computer frameworks for fast calculating on computers GPUs What I personally do not see out there is a crossplatform framework for multiple processes interaction. Meaning one that would allow easy creation of multyple processes running in paralell inside one hoster app on one machine. In level not harder than needed for threads creation (so no seprate server apps - just one lib doing it all) Is there ny such lib and what can you propose for research topic?

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• Why is it good to split a program into multiple classes?

  - by user1276078

  I'm still a student in high school (entering 10th grade), and I have yet to take an actual computer course in school. Everything I've done so far is through books. Those books have taught me concepts such as inheritance, but how does splitting a program into multiple classes help? The books never told me. I'm asking this mainly because of a recent project. It's an arcade video game, sort of like a flash game as some people have said (although I have no idea what a flash game is). The thing is, it's only one class. It works perfectly fine (a little occasional lag however) with just one class. So, I'm just asking how splitting it into multiple classes would help it. This project was in JAVA and I am the only person working on it, for the record.

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• Does facebook store multiple password hashes for each user?

  - by loxxy

  I noticed that Facebook allows multiple variants of my own password : My password as it is. My password with first letter capitalized. My password with all letters capitalized. It is commonly known that passwords are stored as hashes. So my question is, does facebook store multiple hashes for each user? Since the hash of each variant should be completely different... Or am I missing something, here? And there may be more combinations, besides the one I observed as well. This is obviously done to provide a better user experience & they probably have a statistical explanation of people repeating these mistakes. But I could not help but wonder, is it worth to increase so many lookups (in their database) just to help the user type a wrong password? On top of this, they warn about the caps lock (even though they don't seem to care) :

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• How can you deploy with juju multiple times the same application within the same environment? [closed]

  - by Pere Hospital

  Possible Duplicate: How do I deploy multiple stacks in an environment? If trying to deploy two times wordpress i.e. in the same environment you get: 2012-12-19 16:56:54,588 INFO Searching for charm cs:precise/wordpress in charm store 2012-12-19 16:56:55,472 INFO Connecting to environment... 2012-12-19 16:57:01,044 INFO Connected to environment. 2012-12-19 16:57:01,374 INFO Using cached charm version of wordpress 2012-12-19 16:57:01,857 ERROR Service name 'wordpress' is already in use This would apply for a situation where you want to deploy multiple wordpress blogs using the same env (i.e. same amazon account).

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• How to track changes in many MSSQL databases from .NET application?

  - by Yauheni Sivukha

  Problem: There are a lot of different databases, which is populated by many different applications directly (without any common application layer). Data can be accessed only through SP (by policy) Task: Application needs to track changes in these databases and react in minimal time. Possible solutions: 1) Create trigger for each table in each database, which will populate one table with events. Application will watch this table through SqlDependency. 2) Watch each table in each database through SqlDependency. 3) Create trigger for each table in each database, which will notify application using managed extension. Which is the best way?

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• Surgical slave reads for Ruby on Rails, mulitple databases.

  - by Daniel

  Greetings, I'm currently working on a multiple database rails application. I want to off load the SELECT queries on to the slave databases for only SOME of the databases or specific models. The issue is that in places, we swap out the current database connection and put in a different one for a short time; to load fixtures or to handle sharding. Does anyone have any recommendations on a ruby gem that 1. will split select/(sql writes) with a considerable amount of control. We want to handle just some models and we are looking for a neat surgical fix. 2. does not monkey around with activerecord. 3. is still being maintained. TIA -daniel

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• Doing a join across two databases with different collations on SQL Server and getting an error.

  - by Andrew G. Johnson

  I know, I know with what I wrote in the question I shouldn't be surprised. But my situation is slowly working on an inherited POS system and my predecessor apparently wasn't aware of JOINs so when I looked into one of the internal pages that loads for 60 seconds I see that it's a fairly quick, rewrite these 8 queries as one query with JOINs situation. Problem is that besides not knowing about JOINs he also seems to have had a fetish for multiple databases and surprise, surprise they use different collations. Fact of the matter is we use all "normal" latin characters that English speaking people would consider the entire alphabet and this whole thing will be out of use in a few months so a bandaid is all I need. Long story short is I need some kind of method to cast to a single collation so I can compare two fields from two databases. Exact error is: Cannot resolve the collation conflict between "SQL_Latin1_General_CP850_CI_AI" and "SQL_Latin1_General_CP1_CI_AS" in the equal to operation.

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• Is it possible to mirror SQL Server 2008 and SQL Server 2008R2 databases?

  - by Dmitri Nesteruk

  Just curious whether it's possible to mirror databases across versions.

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• Is there is something like stored procedures in NOSQL databases?

  - by Amr ElGarhy

  I am new to NOSQL world and still comparing between nosql and sql databases, I Just tried making few samples using mongodb. I am asking about stored procedures when we send few parameters to one stored procedure and this procedure execute number of other stored procedures in the database, will get data from stored procedures and send data to others. In other words, will make the logic happen on the database side using sequence of functions and stored procedures. Is that behavior or something the same already exist on NOSQL databases, or its completely different and i am thinking in the wrong way?

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• How to use multiple database adapter to query involving tables from different databases?

  - by understack

  I've 2 databases, which are set up as mentioned here. How can I write a SQL query which involves database_1.table_1 and database_2.table_1 ? E.g. consider this query $sql = "SELECT distinct database_1.users.id, database_1.users.name FROM database_1.users, database_2.sales WHERE database_2.sales.user_id = database_1.users.id"; How this query could be written using multiple db adapter? Edit I'm using 2 databases, because this way I can change actual database names in application.ini. Is there any other way I can change database names without changing sql queries?

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• How do I break a huge WordPress multi-site database up into separate MySQL databases ?

  - by Faith McNulty

  How do I break a huge WordPress multi-site database up into separate MySQL databases? I have 24 WordPress MU-or- multi-site sites, holding over 20K users in total. My Server says I must break them into smaller or separate databases But I am at a loss as to how this is accomplished ? I seem to remember somewhere in the original install a option setting asking if wp should use separate data bases True or False and it was set to false by default ? but Now I can't seem to find it ? Please help !

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• How can I store and access SQLite databases from a central location?

  - by Brian Ramsay

  I have installed SQLite on my UNIX system, and am planning on accessing it from PHP. However, the database is created in the directory I initialize it in, and if a script runs in a different directory a new database is created in the same directory. Is there an option for SQLite (or the PHP wrappers) to create the databases in one location, and have those databases accessible just by name outside of that directory? Ideally, I'd like to be able to do something like $db=new SQLiteDatabase("db.test"); in any directory and have it reference the same database, if that makes sense.

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• Can a Shadow Copy of SQL 2000 databases files be used as a restore?

  - by Keith Sirmons

  Howdy, I have a SQL 2000 instance (version 8.00.760) that is on a drive that gets regular shadow copies. Can a shadow copy be used to restore the database? It seems possible to stop the SQL service, restore the Data folder from the shadow copy (includes msdb, master, model, temp, and the user databases, then restart the service. Would the files be in a crash consistent case in the worst case? If so, when restarting the service wouldn't it recover as if the power were pulled from the server? Thank you, Keith

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• How to proxy to different named databases on the same server using MySQL Proxy?

  - by cclark

  I would like to have two databases on my MySQL server: DEV_DB_A DEV_DB_B However, in order to keep everyone's scripts, Query Browser settings and anything else from changing when we switch from using on DB to another I'd like to have everyone connect to DEV_DB and then use something like MySQL Proxy running a lua script which knows the currently active DB is DEV_DB_A and routes queries to there. If we restore a fresh version of the DB to DEV_DB_B or make some changes (e.g. partition a table) we can easily switch to DEV_DB_B by changing one Lua script instead of updating references everywhere. I had hoped I might be able to symlink inside of the mysql data directory but that didn't work so it seems like MySQL Proxy is a reasonable approach. Being new to Lua and MySQL Proxy I'm wondering if anyone else has approached the problem this way and how it worked.

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• SQL Server Instancing: Should I use multiple instances or databases?

  - by Spence

  I have a reasonable server connected to a SAN which will be running SQL servers for multiples of the same application. There are no security issues with one application being able to read anothers database. We are unfortunately in 32 bit windows as well. I'm of the opinion that it would be better to use one instance on the server, enable AWE so that the server instance can use almost all of the ram we have and then run each of the databases in the one instance. However I've been overruled by the gods of the IT department on this one, so I'm really curious to hear your thoughts on this. From a performance point of view, am I incorrect that one instance of SQL is better than two? I know that we could do some failover stuff, but doing that on one blade only seems like overkill to me..

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• I am trying to setup phpMyAdmin to use with a remote MySQL databases on Scientific Linux release 6.2

  - by techsjs2012

  I am trying to setup phpMyAdmin to use with a remote MySQL databases on Scientific Linux release 6.2. If I use the mysql command line to connect to the remote database it works great but if I use mysqladmin I am getting "#2002 Cannot log in to the MySQL server". I have found if I do a: setenforce 0 It will work from myphpadmin to my remote database but once I reboot or set Scientific Linux setenforce back to one it stops working again.. I know setenforce 0 is not the right thing to do but can someone please give me details steps on how to get this working the right way... thanks I am new to Scientific Linux and been having some issues.. thanks

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