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  • IEEE SRS documents: lightweight version when working with outside contractors?

    - by maple_shaft
    Typically we follow an Agile development process that tends not to put an emphasis on writing requirements and technical documents that nobody will read. We tend to focus our limited manpower to development and testing activities with collaborative design and whiteboarding as a key focus. There is a mostly standalone web component that will take quite a few weeks to develop, but this work can be mostly parallel with other project work going on. To try and catch up time I was given a budget for hiring a developer on oDesk to complete this work. While my team isn't accustomed to working off of a firm SRS document, I realize that with outsourced development that it is a good idea to be as firm and specific as possible so I realize that I need to provide a detailed Requirements and Technical Specification document for this work to be done correctly. When I do write a Requirements document I typically utilize the standard IEEE SRS document template but I think this is too verbose and probably overkill for what I need to communicate to a developer. Is there another requirements document that is more lightweight and also accepted by a major standards organization like the IEEE? Further, as what will be developed as a software module that will interact with other software modules, my requirements really need to delve into technical specifications for things to work correctly. In this scenario does it make sense to merge technical and requirements specifications into a single document, and if not, what is a viable alternative?

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  • Combining two MVC frameworks in a project

    - by SASM
    Is it any good to combine two MVC frameworks together in a project? Is it a fairly common approach? I am thinking about using a serverside framework like CodeIgniter/Laravel and client side framework AngularJS in a predominantly CRUD based web project. I am a bit apprehensive about this idea. I think this approach does not get the best out of both frameworks and can kind of get in way of each other making the application needlessly complicated. Are there some good approaches/practices if one wants to combine these frameworks together?

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  • How to avoid being fooled

    - by Dacav
    I'm a big fan of the OpenSource development model, and I think that sharing information, knowledge and ideas is the best way of working in software development. Still I think that being hired for proprietary software development must not be demonized. Of course, as there's a no reward in terms of sharing there must be a bigger reward in terms of money (i.e. I surrender all my rights for cash). It may happen that one gets hired piecework, for a single project: in this case one is more vulnerable to dishonest employers. This didn't happen to me personally, but some friends of mine had bad experiences, and lost a lot of time without being fairly retributed. Of course a contract should protect both parts. But contracts can be very generic in the specification. Software is not anything but a palpable good! Besides I don't think that contracts can distinguish between a well written software and a poorly written one. Note also that, in this (nasty) spirit, it's also likely that the employer cannot trust the employee! So also the employer should be protected by a dishonest employee). My question is the following: Which is, in your opinion, a good way of avoiding this kind of situation from the technical perspective?

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  • A look at an example of anti-spam algorithm

    - by pragmaticCamel
    What is a good approach to an anti-spam algorithm for a website similar to reddit? Their anti-spam algorithm seems awfully broken (banning on words in the title and doing a horrible job for that matter). Considering a post spam because it has the word 'spam' in the title is really not a wise choice. Anyway, how can one approach such problem ? Are there any tools that help in such cases? Also, what are the /technical/ reasons behind reddit's choice not using reCAPTCHA on every post submission? It seems like a much better solution than what they have right now. Since reddit is basically a community-driven website why not give such power to the communities' trusted members?

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  • How to deal with OOP design problems in interviews?

    - by haps10
    This is a question where I seek guidance from fellow/senior developers to get into my dream company - it's a pioneer in OOP and Agile. I've already failed once to clear an interview. One part I feel most challenging is to come up with a proper Object Oriented design(classes, interfaces, methods, interactions etc.) in a very short time for certain situations like Pacman, Game Of Life and so on. As the problems are unprecedented ones - my approach is mostly to try different things and then make decisions - which they feel is not clear and not what they expect from a developer with 5+ years of experience. I've already studied a few books on patterns, OOP - it didn't help me much and I think it'll take a bit more than that. Could some one please guide on what specifically shall I practice so that I can do better at design problems as above. I want to refine my approach and have a better thought process.

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  • Array sum of difference of first smallest k elment

    - by prateeak ojha
    Hi i come across this challenge on an online programing challange the task is so simple for ex WE have to variable N and K where N is where N is lenght of array and we have to find sum of duiffrence of K smallest element of array as Sample Input 10 4 1 2 3 4 10 20 30 40 100 200 Sample Output 10 Explanation #0 We have 10 as N size of array and K is 4 here the next N values are array's elments in order to find sum of diffrences we will takek smallest values from array which are 1,2,3,4 then will perform operation(sum of difference) as |1-2| + |1-3| + |1-4| + |2-3| + |2-4| + |3-4| = 10 I tried solving the problem and found a way through which i can solve the problem wit N^3 complexity but my solution is rejected i need a approach to solve the problem with n complexity i still can't figure out a way .. looked at some solution but coud'nt find the exact way to approach. if anybody have a better idea and would like to share it would be appreciable thanks in advance

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  • Design application to send messages by marking circle on the map where you want to send message

    - by jhamb
    This is question asked to me by an interviewer, in which a map of world is given, and for those country you want to send message, just marked circle on that area, and just send to all the people comes in that area. Question visual link is : Design this application The approach that I told him: Firstly build whole person's data (contacts , place information and all) Then where you mark on the map, just build a cluster of that country using Hadoop and fire the message to all the person's contact comes in that cluster. So help me for better understandings of this problem, and if have another good approach (all back-end ad front-end) , then please tell me or discuss here with me. Thanks in advance.

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  • Best design to create dynamic set of questions(controls ) in silverlight web application?

    - by Sukesh
    I have around 15 templates (this will grow) and each template will have around 10-15 questions. Each question can have answers in different format like text box, list box, dropdown, radio button etc. I need to show one template in a page, at a time based on the input I am getting. What would be the best design approach for this? Put questions data in database and Create dynamic control? Putting in xml and display using xslt? Creating static set of templates? Or any other approach? I don't have too much time to do this. I am going to use Silverlight for this.

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  • Capture text typed by user on website and allow user to email a link to someone else so that they can view the message [on hold]

    - by Dano007
    Using the following html, css,jquery, js, what would be the best approach to achieving this. A visitor hits the website. The website page is displaying html and a css3 animation. The visitor is given the option to enter text freely into a text box, they enter an email address and hit send. The person receiving the message gets an email with a link, when they click the link it takes them to the webpage with the animation and the custom message their friend entered. Is this easy to achieve, what would be the best approach? anyone know of existing code I could use? Thanks

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  • Rendering a WPF Network Map/Graph layout - Manual? PathListBox? Something Else?

    - by Ben Von Handorf
    I'm writing code to present the user with a simplified network map. At any given time, the map is focused on a specific item... say a router or a server. Based on the focused item, other network entities are grouped into sets (i.e. subnets or domains) and then rendered around the focused item. Lines would represent connections and groups would be visually grouped inside a rectangle or ellipse. Panning and zooming are required features. An item can be selected to display more information in a "properties" style window. An item could also be double-clicked to re-focus the entire network map on that item. At that point, the entire map would be re-calculated. I am using MVVM without any framework, as of yet. Assume the logic for grouping items and determining what should be shown or not is all in place. I'm looking for the best way to approach the UI layout. So far, I'm aware of the following options: Use a canvas for layout (inside a ScrollViewer to handle the panning). Have my ViewModel make use of a Layout Manager type of class, which would handle assigning all the layout properties (Top, Left, etc.). Bind my set of display items to an ItemsControl and use Data Templates to handle the actual rendering. The drawbacks with this approach: Highly manual layout on my part. Lots of calculation. I have to handle item selection manually. Computation of connecting lines is manual. The Pros of this approach: I can draw additional lines between child subnets as appropriate (manually). Additional LayoutManagers could be added later to render the display differently. This could probably be wrapped up into some sort of a GraphLayout control to be re-used. Present the focused item at the center of the display and then use a PathListBox for layout of the additional items. Have my ViewModel expose a simple list of things to be drawn and bind them to the PathListBox. Override the ListBoxItem Template to also create a line geometry from the borders of the focused item (tricky) to the bound item. Use DataTemplates to handle the case where the item being bound is a subnet, in which case we would use another PathListBox in the template to display items inside the subnet. The drawbacks with this approach: Selected Item synchronization across multiple `PathListBox`es. Only one item on the whole graph can be selected at a time, but each child PathListBox maintains its own selection. Also, subnets cannot be selected, but would be selectable without additional work. Drawing the connecting lines is going to be a bit of trickery in the ListBoxItem template, since I need to know the correct side of the focused item to connect to. The pros of this approach: I get to stay out of the layout business, more. I'm looking for any advice or thoughts from others who have encountered similar issues or who have more WPF experience than I. I'm using WPF 4, so any new tricks are legal and encouraged.

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  • Thinking Sphinx not working in test mode

    - by J. Pablo Fernández
    I'm trying to get Thinking Sphinx to work in test mode in Rails. Basically this: ThinkingSphinx::Test.init ThinkingSphinx::Test.start freezes and never comes back. My test and devel configuration is the same for test and devel: dry_setting: &dry_setting adapter: mysql host: localhost encoding: utf8 username: rails password: blahblah development: <<: *dry_setting database: proj_devel socket: /tmp/mysql.sock # sphinx requires it test: <<: *dry_setting database: proj_test socket: /tmp/mysql.sock # sphinx requires it and sphinx.yml development: enable_star: 1 min_infix_len: 2 bin_path: /opt/local/bin test: enable_star: 1 min_infix_len: 2 bin_path: /opt/local/bin production: enable_star: 1 min_infix_len: 2 The generated config files, config/development.sphinx.conf and config/test.sphinx.conf only differ in database names, directories and similar things; nothing functional. Generating the index for devel goes without an issue $ rake ts:in (in /Users/pupeno/proj) default config Generating Configuration to /Users/pupeno/proj/config/development.sphinx.conf Sphinx 0.9.8.1-release (r1533) Copyright (c) 2001-2008, Andrew Aksyonoff using config file '/Users/pupeno/proj/config/development.sphinx.conf'... indexing index 'user_core'... collected 7 docs, 0.0 MB collected 0 attr values sorted 0.0 Mvalues, 100.0% done sorted 0.0 Mhits, 99.8% done total 7 docs, 422 bytes total 0.098 sec, 4320.80 bytes/sec, 71.67 docs/sec indexing index 'user_delta'... collected 0 docs, 0.0 MB collected 0 attr values sorted 0.0 Mvalues, nan% done total 0 docs, 0 bytes total 0.010 sec, 0.00 bytes/sec, 0.00 docs/sec distributed index 'user' can not be directly indexed; skipping. but when I try to do it for test it freezes: $ RAILS_ENV=test rake ts:in (in /Users/pupeno/proj) DEPRECATION WARNING: require "activeresource" is deprecated and will be removed in Rails 3. Use require "active_resource" instead.. (called from /Users/pupeno/.rvm/gems/ruby-1.8.7-p249/gems/activeresource-2.3.5/lib/activeresource.rb:2) default config Generating Configuration to /Users/pupeno/proj/config/test.sphinx.conf Sphinx 0.9.8.1-release (r1533) Copyright (c) 2001-2008, Andrew Aksyonoff using config file '/Users/pupeno/proj/config/test.sphinx.conf'... indexing index 'user_core'... It's been there for more than 10 minutes, the user table has 4 records. The database directory look quite diferently, but I don't know what to make of it: $ ls -l db/sphinx/development/ total 96 -rw-r--r-- 1 pupeno staff 196 Mar 11 18:10 user_core.spa -rw-r--r-- 1 pupeno staff 4982 Mar 11 18:10 user_core.spd -rw-r--r-- 1 pupeno staff 417 Mar 11 18:10 user_core.sph -rw-r--r-- 1 pupeno staff 3067 Mar 11 18:10 user_core.spi -rw-r--r-- 1 pupeno staff 84 Mar 11 18:10 user_core.spm -rw-r--r-- 1 pupeno staff 6832 Mar 11 18:10 user_core.spp -rw-r--r-- 1 pupeno staff 0 Mar 11 18:10 user_delta.spa -rw-r--r-- 1 pupeno staff 1 Mar 11 18:10 user_delta.spd -rw-r--r-- 1 pupeno staff 417 Mar 11 18:10 user_delta.sph -rw-r--r-- 1 pupeno staff 1 Mar 11 18:10 user_delta.spi -rw-r--r-- 1 pupeno staff 0 Mar 11 18:10 user_delta.spm -rw-r--r-- 1 pupeno staff 1 Mar 11 18:10 user_delta.spp $ ls -l db/sphinx/test/ total 0 -rw-r--r-- 1 pupeno staff 0 Mar 11 18:11 user_core.spl -rw-r--r-- 1 pupeno staff 0 Mar 11 18:11 user_core.tmp0 -rw-r--r-- 1 pupeno staff 0 Mar 11 18:11 user_core.tmp1 -rw-r--r-- 1 pupeno staff 0 Mar 11 18:11 user_core.tmp2 -rw-r--r-- 1 pupeno staff 0 Mar 11 18:11 user_core.tmp7 Nothing gets added to a log when this happens. Any ideas where to go from here? I can run the command line manually: /opt/local/bin/indexer --config config/test.sphinx.conf --all which generates the output as the rake ts:in, so no help there.

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  • Forms Authentication works on dev server but not production server (same SQL db)

    - by Desmond
    Hi, I have the same problem as a previously solved question however, this solution did not help me. I have posted the previous question and answer below: http://stackoverflow.com/questions/2215963/forms-authentication-works-on-dev-server-but-not-production-server-same-sql-db/2963985#2963985 Question: I've never had this problem before, I'm at a total loss. I have a SQL Server 2008 database with ASP.NET Forms Authentication, profiles and roles created and is functional on the development workstation. I can login using the created users without problem. I back up the database on the development computer and restore it on the production server. I xcopy the DLLs and ASP.NET files to the server. I make the necessary changes in the web.config, changing the SQL connection strings to point to the production server database and upload it. I've made sure to generate a machine key and it is the same on both the development web.config and the production web.config. And yet, when I try to login on the production server, the same user that I'm able to login successfully with on the development computer, fails on the production server. There is other content in the database, the schema generated by FluentNHibernate. This content is able to be queried successfully on both development and production servers. This is mind boggling, I believe I've verified everything, but obviously it is still not working and I must have missed something. Please, any ideas? Answer: I ran into a problem with similar symptoms at one point by forgetting to set the applicationName attribute in the web.config under the membership providers element. Users are associated to a specific application. Since I didn't set the applicationName, it defaulted to the application path (something like "/MyApplication"). When it was moved to production, the path changed (for example to "/WebSiteFolder/SomeSubFolder /MyApplication"), so the application name defaulted to the new production path and an association could not be made to the original user accounts that were set up in development. Could your issues possibly be the same as mine? I have this already in my web.config but still get the issue. Any ideas? <membership> <providers> <clear/> <add name="AspNetSqlMembershipProvider" type="System.Web.Security.SqlMembershipProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" connectionStringName="ApplicationServices" enablePasswordRetrieval="false" enablePasswordReset="true" requiresQuestionAndAnswer="false" requiresUniqueEmail="false" passwordFormat="Hashed" maxInvalidPasswordAttempts="5" minRequiredPasswordLength="6" minRequiredNonalphanumericCharacters="0" passwordAttemptWindow="10" passwordStrengthRegularExpression="" applicationName="/"/> </providers> </membership> <profile> <providers> <clear/> <add name="AspNetSqlProfileProvider" type="System.Web.Profile.SqlProfileProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" connectionStringName="ApplicationServices" applicationName="/"/> </providers> </profile> <roleManager enabled="false"> <providers> <clear/> <add connectionStringName="ApplicationServices" applicationName="/" name="AspNetSqlRoleProvider" type="System.Web.Security.SqlRoleProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/> <add applicationName="/" name="AspNetWindowsTokenRoleProvider" type="System.Web.Security.WindowsTokenRoleProvider, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/> </providers> </roleManager> Any help is greatly appriciated.

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  • Is JQuery UI meant to work only with Google Chrome??? (How about IE and Firefox??!)

    - by Richard77
    Hello, I'm using "Jquery UI 1./Dan Wellman/Packt Publishing" to learn JQuery UI. I'm working on the 'Dialog widget' chapiter. After I've completed a series of exercises in order to build a Dialog widget (using Google Chrome), I then tried my work with Internet Explorer and Firefox. The result has been disappointing. Chrome was perfet With Internet Explorer, (1) the title of the Dialog widget did not appear, (2) The location of the dialog widget was not correct (given the position: ["center", "center"]). It was rather offset toward left. With Firefox, the location was respected. However, only the outer container was visible. the content was missing, just a blank container. Also using Option Show:true and Hide:true did only work with Chrome. I wonder now if JQuery UI was meant to be used only with Google Chrome. I just think that I might be missing some directives to make it work with major browsers (as the author claimed in his book). Here's the code. Since, I'm using ASP.NET MVC, certain codes, such as the element to the css, do not appear. But, for the rest, all the functioning code is bellow. <asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"> <p> The goal of this tutorial is to explain one method of creating model classes for an ASP.NET MVC application. In this tutorial, you learn how to build model classes and perform database access by taking advantage of Microsoft LINQ to SQL. In this tutorial, we build a basic Movie database application. We start by creating the Movie database application in the fastest and easiest way possible. We perform all of our data access directly from our controller actions. </p> <div style = "font-size:.7em" id = "myDialog" title = "This is the title"> In this tutorial -- in order to illustrate how you can build model classes -- we build a simple Movie database application. The first step is to create a new database. Right-click the App_Data folder in the Solution Explorer window and select the menu option Add, New Item. Select the SQL Server Database template, give it the name MoviesDB.mdf, and click the Add button (see Figure 1). </div> </asp:Content> <asp:Content ID="Content3" ContentPlaceHolderID="ScriptContent" runat="server"> <script src="../../Content/development-bundle/jquery-1.3.2.js" type="text/javascript"></script> <script src="../../Content/development-bundle/ui/ui.core.js" type="text/javascript"></script> <script src="../../Content/development-bundle/ui/ui.dialog.js" type="text/javascript"></script> <script src="../../Content/development-bundle/ui/ui.draggable.js" type="text/javascript"></script> <script src="../../Content/development-bundle/ui/ui.resizable.js" type="text/javascript"></script> <script src="../../Content/development-bundle/external/bgiframe/jquery.bgiframe.js" type="text/javascript"></script> <script type = "text/javascript"> $(function() { var execute = function() { } var cancel = function() { } var dialogOpts = { position: ["center", "center"], title: '<a href="/Home/About">A link title!<a>', modal: true, minWidth: 500, minHeight: 500, buttons: { "OK": execute, "Cancel": cancel }, show:true, hide: true, bgiframe:true }; $("#myDialog").dialog(dialogOpts); }); </script> Thank for helping.

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  • Dynamic model choice field in django formset using multiple select elements

    - by Aryeh Leib Taurog
    I posted this question on the django-users list, but haven't had a reply there yet. I have models that look something like this: class ProductGroup(models.Model): name = models.CharField(max_length=10, primary_key=True) def __unicode__(self): return self.name class ProductRun(models.Model): date = models.DateField(primary_key=True) def __unicode__(self): return self.date.isoformat() class CatalogItem(models.Model): cid = models.CharField(max_length=25, primary_key=True) group = models.ForeignKey(ProductGroup) run = models.ForeignKey(ProductRun) pnumber = models.IntegerField() def __unicode__(self): return self.cid class Meta: unique_together = ('group', 'run', 'pnumber') class Transaction(models.Model): timestamp = models.DateTimeField() user = models.ForeignKey(User) item = models.ForeignKey(CatalogItem) quantity = models.IntegerField() price = models.FloatField() Let's say there are about 10 ProductGroups and 10-20 relevant ProductRuns at any given time. Each group has 20-200 distinct product numbers (pnumber), so there are at least a few thousand CatalogItems. I am working on formsets for the Transaction model. Instead of a single select menu with the several thousand CatalogItems for the ForeignKey field, I want to substitute three drop-down menus, for group, run, and pnumber, which uniquely identify the CatalogItem. I'd also like to limit the choices in the second two drop-downs to those runs and pnumbers which are available for the currently selected product group (I can update them via AJAX if the user changes the product group, but it's important that the initial page load as described without relying on AJAX). What's the best way to do this? As a point of departure, here's what I've tried/considered so far: My first approach was to exclude the item foreign key field from the form, add the substitute dropdowns by overriding the add_fields method of the formset, and then extract the data and populate the fields manually on the model instances before saving them. It's straightforward and pretty simple, but it's not very reusable and I don't think it is the right way to do this. My second approach was to create a new field which inherits both MultiValueField and ModelChoiceField, and a corresponding MultiWidget subclass. This seems like the right approach. As Malcolm Tredinnick put it in a django-users discussion, "the 'smarts' of a field lie in the Field class." The problem I'm having is when/where to fetch the lists of choices from the db. The code I have now does it in the Field's __init__, but that means I have to know which ProductGroup I'm dealing with before I can even define the Form class, since I have to instantiate the Field when I define the form. So I have a factory function which I call at the last minute from my view--after I know what CatalogItems I have and which product group they're in--to create form/formset classes and instantiate them. It works, but I wonder if there's a better way. After all, the field should be able to determine the correct choices much later on, once it knows its current value. Another problem is that my implementation limits the entire formset to transactions relating to (CatalogItems from) a single ProductGroup. A third possibility I'm entertaining is to put it all in the Widget class. Once I have the related model instance, or the cid, or whatever the widget is given, I can get the ProductGroup and construct the drop-downs. This would solve the issues with my second approach, but doesn't seem like the right approach.

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  • Keeping video viewing statistics breakdown by video time in a database

    - by Septagram
    I need to keep a number of statistics about the videos being watched, and one of them is what parts of the video are being watched most. The design I came up with is to split the video into 256 intervals and keep the floating-point number of views for each of them. I receive the data as a number of intervals the user watched continuously. The problem is how to store them. There are two solutions I see. Row per every video segment Let's have a database table like this: CREATE TABLE `video_heatmap` ( `id` int(11) NOT NULL AUTO_INCREMENT, `video_id` int(11) NOT NULL, `position` tinyint(3) unsigned NOT NULL, `views` float NOT NULL, PRIMARY KEY (`id`), UNIQUE KEY `idx_lookup` (`video_id`,`position`) ) ENGINE=MyISAM Then, whenever we have to process a number of views, make sure there are the respective database rows and add appropriate values to the views column. I found out it's a lot faster if the existence of rows is taken care of first (SELECT COUNT(*) of rows for a given video and INSERT IGNORE if they are lacking), and then a number of update queries is used like this: UPDATE video_heatmap SET views = views + ? WHERE video_id = ? AND position >= ? AND position < ? This seems, however, a little bloated. The other solution I came up with is Row per video, update in transactions A table will look (sort of) like this: CREATE TABLE video ( id INT NOT NULL AUTO_INCREMENT, heatmap BINARY (4 * 256) NOT NULL, ... ) ENGINE=InnoDB Then, upon every time a view needs to be stored, it will be done in a transaction with consistent snapshot, in a sequence like this: If the video doesn't exist in the database, it is created. A row is retrieved, heatmap, an array of floats stored in the binary form, is converted into a form more friendly for processing (in PHP). Values in the array are increased appropriately and the array is converted back. Row is changed via UPDATE query. So far the advantages can be summed up like this: First approach Stores data as floats, not as some magical binary array. Doesn't require transaction support, so doesn't require InnoDB, and we're using MyISAM for everything at the moment, so there won't be any need to mix storage engines. (only applies in my specific situation) Doesn't require a transaction WITH CONSISTENT SNAPSHOT. I don't know what are the performance penalties of those. I already implemented it and it works. (only applies in my specific situation) Second approach Is using a lot less storage space (the first approach is storing video ID 256 times and stores position for every segment of the video, not to mention primary key). Should scale better, because of InnoDB's per-row locking as opposed to MyISAM's table locking. Might generally work faster because there are a lot less requests being made. Easier to implement in code (although the other one is already implemented). So, what should I do? If it wasn't for the rest of our system using MyISAM consistently, I'd go with the second approach, but currently I'm leaning to the first one. But maybe there are some reasons to favour one approach or another?

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  • WIX installer with Custom Actions: "built by a runtime newer than the currently loaded runtime and cannot be loaded."

    - by Rimer
    I have a WIX installer that executes Custom Actions over the course of install. When I run the WIX installer, and it encounters its first Custom Action, the installer fails out, and I receive an error in the MSI log as follows: Action start 12:03:53: LoadBCAConfigDefaults. SFXCA: Extracting custom action to temporary directory: C:\DOCUME~1\ELOY06~1\LOCALS~1\Temp\MSI10C.tmp-\ SFXCA: Binding to CLR version v2.0.50727 Calling custom action WIXCustomActions!WIXCustomActions.CustomActions.LoadBCAConfigDefaults Error: could not load custom action class WIXCustomActions.CustomActions from assembly: WIXCustomActions System.BadImageFormatException: Could not load file or assembly 'WIXCustomActions' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded. File name: 'WIXCustomActions' at System.Reflection.Assembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection) at System.Reflection.Assembly.nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection) at System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) at System.Reflection.Assembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) at System.AppDomain.Load(String assemblyString) at Microsoft.Deployment.WindowsInstaller.CustomActionProxy.GetCustomActionMethod(Session session, String assemblyName, String className, String methodName) ... the specific problem from above is "System.BadImageFormatException: Could not load file or assembly 'WIXCustomActions' or one of its dependencies. This assembly is built by a runtime newer than the currently loaded runtime and cannot be loaded." The wordage of that error seems to indicate something like an incorrectly referenced .NET framework or something (I'm targeting 3.5 in both my custom actions and its dependencies), but I can't figure out where to make a change to address this problem. Any ideas? .... Not sure if this will help but it's the CustomActions package batch file I run to create the .dll package containing the custom action functions: =============== call "C:\Program Files\Microsoft Visual Studio 10.0\VC\vcvarsall.bat" @echo on cd "C:\development\trunk\PortalsDev\csharp\production\Installers\WIX\customactions\PAServicesWIXCustomActions" csc /target:library /r:"C:\program files\windows installer xml v3.6\sdk\microsoft.deployment.windowsinstaller.dll" /r:"C:\development\trunk\PortalsDev\csharp\production\Installers\WIX\customactions\PAServicesWIXCustomActions\bin\Debug\eLoyalty.PortalLib.dll" /out:"C:\development\trunk\PortalsDev\csharp\production\Installers\WIX\customactions\PAServicesWIXCustomActions\bin\Debug\WIXCustomActions.dll" CustomActions.cs cd "C:\Program Files\Windows Installer XML v3.6\SDK" makesfxca "C:\development\trunk\PortalsDev\csharp\production\Installers\WIX\customactions\PAServicesWIXCustomActions\bin\Debug\BatchCustomerAnalysisWIXCustomActionsPackage.dll" "c:\program files\windows installer xml v3.6\sdk\x86\sfxca.dll" "C:\development\trunk\PortalsDev\csharp\production\Installers\WIX\customactions\PAServicesWIXCustomActions\bin\Debug\WIXCustomActions.dll" customaction.config Microsoft.Deployment.WindowsInstaller.dll

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  • How do I get ELMAH to work with SQL Server (permission problems)

    - by Gary McGill
    I've got ELMAH working on my (Cassini) development server, and was quite happy with it, but now that I'm trying to move everything to my production server (IIS7), the honeymoon looks like being over. I've got past the "gotcha" with IIS7, which frankly could have been better highlighted in the documentation, and if I just use the in-memory log then it works. However, I'm trying to get it to use the SQL Server log (as I do on my development system), and I'm getting an error along the lines of: The EXECUTE permission was denied on the object ELMAH_GetErrorsXml Well, fine. I know how to grant database permissions, but I'm really struggling to understand which user and which stored procs/tables I need to grant access to. The thing that's really confusing me is that I didn't have to do anything like this to get it to work on my development server. The only difference I can see is that on my development server it seems to connect as NT AUTHORITY\IUSR, whereas on my production server it seems to connect as NT AUTHORITY\NETWORK SERVICE. (It's just using a trusted connection so I've not explicitly configured it to do that - I presume it's to do with the web server). UPDATE: I've since established that because I'm using Cassini, it was actually logging in as me (an admin) and not IUSR, which explains why I didn't get any permission problems. On my development server, the IUSR account is a member of the public database role, and has access to the required database (again as "public"). There's no explicit granting of object-level permissions. [See update above - this is irrelevant]. On my production server, I've added NETWORK SERVICE in exactly the same way (public database role, explicit access to the database as "public"). Yet, I get this permission error. Why?!! [See update above - the only reason I don't get a permission error is because I'm running as an admin]. And, of course, if the fact that it works locally is just "luck", I will need to know which SPs/tables to grant access to. My guess would be all 3 SPs and not the table, but it would be good (again) to see some documentation that makes this explicit.

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