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• Disk Cost does not change for a per machine and a per user install

  - by eddie

  I want to know how can i change or rather the computer changes the disk cost in case of a per user or a per machine install. I have an installer that is approximate 50 MB in size when i check in the program files how ever when i am using the DiskCostDlg it shows me 96 MB , i am doing a per user and a per machine install and i am surprised to see that in both the cases the disk requirement is same. I need to know if there is a possibility of changing the disk requirements or is it a default property of the Wix Installer. Thanks

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• Constructing colours for maximum contrast

  - by Martin

  I want to draw some items on screen, each item is in one of N sets. The number of sets changes all the time, so I need to calculate N different colours which are as different as possible (to make it easy to identify what is in which set). So, for example with N = 2 my results would be black and white. With three I guess I would get all red, all green, all blue. For all four, it's less obvious what the correct answer is, and this is where I'm having trouble.

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• How to export the matches only in a pattern search in vim?

  - by Mert Nuhoglu

  Is there a way to grab and export the match part only in a pattern search without changing the current file? For example, from a file containing: 57","0","37","","http://www.thisamericanlife.org/Radio_Episode.aspx?episode=175" 58","0","37","","http://www.thisamericanlife.org/Radio_Episode.aspx?episode=170" I want to export a new file containing: http://www.thisamericanlife.org/Radio_Episode.aspx?episode=175 http://www.thisamericanlife.org/Radio_Episode.aspx?episode=170 I can do this by using substitution like this: :s/.\{-}\(http:\/\/.\{-}\)".\{-}/\1/g :%w>>data But the substitution command changes the current file. Is there a way to do this without changing the current file?

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• Is it possible to center an image on both axis inside a div?

  - by Noor

  I have a script that loads in a div with images running jQuery Cycle Lite Plugin. I got the tip that I could us the "after" function in that plugin to make changes to the picture each time the image is refreshed. So I wrote this: $("#display div").css({ margin: "0 auto", "text-align": "center", }); The html built like this: <div id="display"> <div id="slideshow1"> <img ... /> </div> </div> This isn't working, whats wrong? ( this is supposed to center it horizontally, i need to center it vertically to )..

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• .htaccess more than one command in the file

  - by Stefan

  Hey I have an .htaccess file with the following code: <Files ~ "item|profile|category|search"> ForceType application/x-httpd-php </Files> What I want is to add a re-write rule as well which changes any body who navigates to the site to use http://www.domain.com sintead of http://domain.com I have the code: RewriteEngine On RewriteCond %{SERVER_PORT} 80 RewriteRule ^(.*)$ http://www.DOMAIN.com/$1 [R,L] however I can't seem to just place in the file as it corrupts? Or just doesn't work... I wish I knew more about .htaccess files How can I add this in? Thanks, Stefan

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• Moving from WCF RIA RC to Release: best practices?

  - by Duncan Bayne

  I have an existing WCF RIA project built on the Release Candidate; I'm now moving to the Release version & have discovered many changes. David Scruggs made the following comment on his (MSDN) blog: "If you’ve written anything in SIlverlight 4 RIA Services, you’ll need to rewrite it. There has been a lot of refactoring and namespace moves." Having made a brief attempt to compile the old solution with the new RIA framework I'm inclined to agree. My current plan is to: remove the Silverlight Business Application projects from the Solution rebuild the EF4 items from the database create a new Silverlight Business Application project re-add the files (XAML, CS) from the old Silverlight Business Application project Does this sound like a reasonable approach? I think it's cleaner than trying to manually alter the existing project.

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• Changing background image on accordion change - jQuery Ui

  - by Coughlin

  I am using this code: $('.ui-accordion').bind('accordionchange', function(event, ui) { $(this).next().next().css({'background-image':'images/green-bg.jpg'}); //ui.newHeader // jQuery object, activated header //ui.oldHeader // jQuery object, previous header // ui.newContent // jQuery object, activated content // ui.oldContent // jQuery object, previous content }); To try to change the background image of the PREVIOUS header after it changes. I see that the jquery docs supply the object for oldHeader, but I am trying to change the CSS of that element. Any ideas how I would do that? So You go to the next one it goes green, then the current one is going to be red. Thanks, Ryan

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• Where should I store user config data? Specificaly the path to the data file?

  - by jamone

  I have an app using a SQLite db, and I need the ability for the user to move the data file and point the app to where it moved to. I used the Entity Framework to create the model, and by default it puts the connection string in the App.Config file. From what I've read if I make changes to the connection string there then they won't take effect until the app is restarted. That seems a bit clunky for my use. I see how I can init my model and pass in a custom string but I'm unsure what the best practice is in where to store basic user prefrences such as this? Ini, Registry, somewhere else? I don't want the user to have to "Open" the file each time, just when it relocates and then the app will try to auto open from then on.

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• SharePoint Documents Library - Change "Document Created By" field

  - by yellowblood

  Hello, I have a code that changes the username in various SharePoint lists, mostly by the "Author" column. It all works fine on normal lists, but it doesn't seem to work on the "Shared Documents" list which is a document library. Whether I change the username in "Created By" or "Document Created By", the change doesn't seem to take effect. The item.Update command doesn't throw any exception, but it clearly doesn't update the field(s). What can I do if I want to change this field through code? Thanks

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• DataMapper: using auto_migrate! with many-to-many dependencies?

  - by pschuegr

  Hi, I'm trying to migrate my app from MySql to Postgresql, using Rails3-pre and the latest DataMapper. I have several models which are related through many-to-many relationships using :through = Resource, which means that DataMapper creates a join table with foreign keys for both models. I can't auto_migrate! these changes, because I keep getting this: ERROR: cannot drop table users because other objects depend on it DETAIL: constraint artist_users_owner_fk on table artist_users depends on table users constraint site_users_owner_fk on table site_users depends on table users HINT: Use DROP ... CASCADE to drop the dependent objects too. I have tried everything I can think of, and thought I had things working when I added :constraint = :skip to the field definition, but I keep getting that error back when I try and run auto_migrate. I thought that :skip meant that it would ignore the dependents, but maybe that only applies for deleting rows and not dropping tables? I should mention that I can run auto_migrate after i nuke the db once, but after that, errors. Any suggestions or advice much appreciated.

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• An appropriate C API for inspecting attribute values

  - by uk82

  There are two obvious ways in C to provide outside access to internal attribute values (A) provide a generic interface that accepts a list of attributes that changes over time (some added / some die) or (B) a specific interface for each and every attribute. Example A: int x_get_attribute_value(ATT att) { if (a) return a_val; if (b) return b_val; } Example B: A_Enum x_get_a_type_attribute() {} B_Enum x_get_b_type_attribute() {} I recall that Eclipse's API is very much like A (I could be wrong). What I can't do is come up with a compelling argument against either. A is clean - any user will no where to go to find out a property value. It can evolve cleanly without leaving dead interfaces around. B has type checking to a degree - this is C enums! Is there a big hitter argument that pushes the balance away from opinion?

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• Why do I have to specify virtual functions in the declaration of a derived class?

  - by neuviemeporte

  Given the base class A and the derived class B: class A { public: virtual void f(); } class B : public A { public: void g(); } I get errors saying that f() is not declared in B while trying do define void B::f(). Do I have to declare f() explicitly in B? I think that if the interface changes I shouldn't have to correct the declarations in every single class deriving from it. Is there no way for B to get all the virtual functions' declarations from A automatically?

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• @media queries - one rule overrides another?

  - by John

  I have multiple @media queries all working fine but as soon as i put in a higher max screen-width than 1024px the rules for the higher width gets applied to everything. @media screen and (max-width: 1400px) { #wrap { width: 72%; } } @media screen and (max-width: 1024px) { #slider h2 { width: 100%; } #slider img { margin: 60px 0.83333333333333% 0 2.08333333333333%; } .recent { width: 45.82%; margin: 10px 2.08333333333334% 0 1.875%; } } as you can see 1024px (and also the 800px max-width query) do not change the #wrap width and work fine. As soon as i add the 1400px max-width query it changes them to 72% for ALL sizes and does the same for any element - for instance if i set #slider img to have a margin of 40px it will show at ALL sizes even though it is only in the max-width of 1400px. Am i missing something really obvious? Been trying to work this out for the past 2 days! Thanks, John

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• asp.net mvc custom model binding in an update entity scenario

  - by mctayl

  Hi I have a question about model binding. Imagine you have an existing database entity displayed in a form and you'd like to edit some details, some properties eg createddate etc are not bound to the form, during model binding, these properties are not assigned to the model as they are not on the http post data or querystrong etc, hence their properties are null. In my controller method for update , Id just like to do public ActionResult Update( Entity ent) { //Save changes to db } but as some properties are null in ent, they override the existing database fields which are not part of the form post data, What is the correct way to handle this? Ive tried hidden fields to hold the data, but model binding does not seem to assign hidden fields to the model. Any suggestions would be appreciated

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• How to do animation using swing and clojure ?

  - by Humberto Pinheiro

  I'm trying to animate a chess piece in a board. First I created a java.util.Timer object that "scheduleAtFixedRate" a TimerTask implemented as a proxy function. So I kept a record of the piece to move (piece-moving-record) and when it's apropriate (when the user move the piece using the mouse) the TimerTask proxy function should be test if the record is not nil and execute the piece-moving function. The piece-moving function just updates the x and y coordinates of the piece, according to a vector pre-calculated. I put a add-watch on the piece-moving-record so when it changes it should repaint the board (canvas). The paint method tests if this piece-moving-record is not nil to paint it. The problem is that the animation doesn't appear. The piece just jump to the destiny, without the movement between. There is some problem with the animation scheme ou there is a better way to do it?

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• Fastest way to deploy rails apps with Passenger

  - by yuval

  I am working on a Dreamhost server with Rails 2.3.5. Every time I make changes to a site, I have to ssh into the site, remove all the files, upload a zip file containing all the new files for the site, unzip that file, migrate the database, and go. Something tells me there's a faster way to deploy rails apps. I am using mac Time Machine to keep track of different versions of my applications. I know git tracks files, but I don't really know how to work with it to deploy my applications, since passenger takes care of all the magic for me. What would be a faster way to deploy my applications (and avoid the downtime associated with my method when I delete all files on the server)? Thanks!

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• What CSS should I use to create a series of horizontal, non-wrapping blocks?

  - by JOhnC

  I have a set of dynamically generated content - anywhere between 1 and about 25 blocks (each of which I want to be about 250px wide. Clearly, this can run off-screen, but that's fine since my design allows for horizontal scrolling (using jQuery - I don't want the browser to do it with its own scroll bars). So what CSS - cross-browser - is the best approach? Floats seem to wrap unreliably, and the dynamic nature of the content which changes frequently through ajax calls - means that recalculating the container width is not very practical. Other CSS-based option?

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• Best Practices for Content Types in SharePoint

  - by Anna Karin

  Hi all, Recently, we came across a severe problem in production farm with the Content Types. I would like to explain the background of this problem first. We have nice working feature for Content Types installation in production and test farms. We developed and deployed (using wsps) this SharePoint feature in Visual studio. We are using the publishing pages using page layouts and Content Types to help content editors to quickly publish the web pages. Unfortunately, some Content Types have been manually updated/added by some people in the production, so whenever I (developer) make some changes to the existing Content Types (using Visual Studio and feature activation/deactivation) , SharePoint removes one or two columns (during feature activation/deactivation) from Content Types; or the columns which have not been added in a best practice way. I think the best practice is to update Content Types using Visual Studio. Now, I wish to ensure that site columns shouldn't get removed from Content Types upon feature activation/deactivation. Note: Our feature for Content Type activation/deactivation doesn't hold any activation dependencies in the feature.xml

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• Raise an event when Property Changed using Reflection

  - by Dante

  I am working in C# and I have an object which I can only access using Reflection (for some personal reasons). So, when I need to set some value to one of its properties I do as below: System.Reflection.PropertyInfo property = this.Parent.GetType().GetProperty("SomeProperty"); object someValue = new object(); // Just for example property.SetValue(this.Parent, someValue, null); And, to get its value I use the method GetValue. My question is: Is there a way to fire an event when the property changes using Reflection? Thank you in advance.

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• What version number should an unreleased project receive?

  - by Byran

  Note: I'm new to version numbering. Please excuse my ignorance. I have a project where an attempted major release (Version B) was abandoned then later re-attempted and release (Version C). Each version has major changes from the previous version that I wouldn't consider an minor update. Little to nothing of Version B made it into Version C. Version A (1.0) Developed, released, updated, etc. Version B (???) Developed, suspended, abandoned. Version C (2.0) Developed, released, updated, etc. I feel like I should have version them like so, but worried about confusion of the missing version: Version A (1.0) Version B (2.0) Version C (3.0)

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• Is .gitignore not working or I have misunderstood it?

  - by Shubham

  I am very new to git. I have a .gitignore in the my working folder. *.jpg *.gif *.png system/* */Zend/* .idea/*.* Well, I did git init and then git add *. At this it worked fine and ignored the above files. But when I did some changes, ran the same command it puts the ignored files into staging area. The reason why I am using git add * is because I work on many files and adding each file would be a overkill. Update: Here are messages when I run git add * second time.. #new file: application/vendors/Zend/XmlRpc/Value/String.php #new file: application/vendors/Zend/XmlRpc/Value/Struct.php ... The list is too long.

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• Flex Builder 3 executing old source codes

  - by Gorro

  I'm facing this problem again and again, but can't find any solution (except mine, which is not as a good one I guess). Don't know why, sometimes Flex Builder executes old source codes after making changes. While debugging I see how it steps through a source (e.g. changing local variables) which does not exist (even if I delete all that block or function). My way to solve that is to delete the project (backing up the source codes of course) and create a new one, add the backed up sources to the project and rebuild. It starts to work as it should work, but this way is not as comfortable, especially if sources are on a remote machine and you need to configure .net back-end. Anyone knows how to solve?

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• Best practice -- Content Tracking Remote Data (cURL, file_get_contents, cron, et. al)?

  - by user322787

  I am attempting to build a script that will log data that changes every 1 second. The initial thought was "Just run a php file that does a cURL every second from cron" -- but I have a very strong feeling that this isn't the right way to go about it. Here are my specifications: There are currently 10 sites I need to gather data from and log to a database -- this number will invariably increase over time, so the solution needs to be scalable. Each site has data that it spits out to a URL every second, but only keeps 10 lines on the page, and they can sometimes spit out up to 10 lines each time, so I need to pick up that data every second to ensure I get all the data. As I will also be writing this data to my own DB, there's going to be I/O every second of every day for a considerably long time. Barring magic, what is the most efficient way to achieve this? it might help to know that the data that I am getting every second is very small, under 500bytes.

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• Delete text from copied text

  - by riddle

  Hello, I would to use JavaScript to clean up text that’s being copied from my site. I use snippets like this: body { vertical-align: middle; ? } Where ? indicates comment later on. I want readers to copy this snippet and use it – so I need to delete that Unicode marker. How can I access text that’s being copied and make changes to it? I considered deleting marker(s) from snippet when user clicks (mousedown) on it, so she could select the text, copy it and then I would restore markers but it seems a really long way to do it.

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• Versioning issues with assemblies

  - by devoured elysium

  Let's assume I have two assemblies: MyExecutable.dll version 1.0.0 MyClassLibrary.dll version 1.0.0 Now, MyExecutable.dll currently uses MyClassLibrary.dll's classes and methods (which include some algorithms). Most of those algorithms were made on the run, being that later I'll want to refine them if needed. This means, I won't change the interface of those classes but the code itself will see some changes. The question at hand is, MyExecutable.dll will be expecting MyClassLibrary.dll 1.0.0 and I'll want it to use version 1.0.1 (or something like that). I don't want to have to recompile MyExecutable.dll(because actually there might be more than just one executable using MyClassLibrary.dll). Is there a solution for this problem? I've heard about the GAC, but if possible I'd like to stay away from it. Thanks

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