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• How to create a platform ontop of CSLA? <-- if in case it make sense

  - by Peejay

  Hi all! here is the senario, i'm developing an application using csla 3.8 / c#.net, the application will have different modules. its like an ERP, it will have accounting, daily time record, recruitment etc as modules. Now the requirement is to check for common entities per module and build a "platform" (<- the boss calls it that way) from it. for example, DTR will have an entity "employee", Recruitment will have "Applicant" so one common entity that you can derive from both that can be put in the platform is "Person". "Person" will contain typical info like name, address, contact info etc. I know it sounds like OOP 101. the thing is, i dont know how i am to go about it. how i wish it was just a simple inheritance but the requirement is like to create an API of some sort to be used by the modules using CSLA. in csla you create smart objects right, inheriting from the base classes of csla like businessListbase, readonlylistbase etc. right? what if for example i created a businessbase Applicant class, it will have properties like salary demand, availability date etc. now for the personal info i will need the "Person" from the "platform" and implement it to the applicant class. so in summary i have several questions: how to create such platform? if such platform is possible, how will it be implemented on each module's entities? (im already inheriting from base clases of csla) if incase 1 and 2 are possible, does it have advantages on development and maintenace of the app? the reason why i'm asking #3 is because the way i see it, even if i am able to create a platform for that, i will be needing to define properties of the platform entity on my module entities so to have validation and all. im sorry if i'm typing nonesense i'm really confused. hope someone could enlighten me. thank you all!

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• Need to identify the component's selectedItem

  - by theband

  I am creating a lot of dynamic flex components like RadioButton, Combo Box, CheckBox. if(type=="mx.controls.CheckBox"){ //if(rep.currentIndex<5){ for each(j in x){ k=createNewInstanceOfClass(rep.currentItem.type); k.id="radioGroup"+rep.currentItem; k.label=j.linkname; k.data=j.linkname; linkPanel[rep.currentIndex].addChild(DisplayObject(k)); } When i click on Submit finally i need to get all the selected Values in each question. All the components are dynamically created at runtime.

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• implementing type inference

  - by deepblue

  well I see some interesting discussions here about static vs. dynamic typing I generally prefer static typing, due to compile type checking, better documented code,etc. However I do agree that they do clutter up the code if done the way Java does it, for example. so Im about to start building a language of my own and type inference is one of the things that I want to implement, in a functional style language... I do understand that it is a big subject, and Im not trying to create something that has not been done before, just basic inferencing... any pointers on what to read up that will help me with this? preferably something more pragmatic/practical as oppose to more theoretical category theory/type theory texts. If there's a implementation discussion text out here, with data structures/algorithms, that would just be lovely much appreciated

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• Update options to jQuery slider via form

  - by Coughlin

  I have a jQuery Slider, and I am trying to make it more dynamic by adding three input fields: min max step I want to take those fields and then onblur update my slider options. I read that you can set options like this: $('.selector').slider('option', 'max', 7); And do the same for min,step, etc along with the other options. I tried playing with it yesterday, but I'm not sure how to get it to update. I am using a form with no submit button, so just change on blur. I know I would get the .val() of the input and set it to a variable then would it be: $('.selector').slider('option', 'max', var_here); Any thoughts?

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• backslashes in url variables

  - by namtax

  Hi there I have set up my coldfusion application to have dynamic urls on the page, such as www.musicExplained/index.cfm/artist/:VariableName However my variable names will sometimes contain backslashes, such as www.musicExplained/index.cfm/artist/GZA/Genius This is causing a problem, because my application presumes that the slash in the variable name represents a different section of the website, the artists albums. So the URL will fail. I am wondering if there is anyway to prevent this from happening? Do I need to use a function that replaces slashes in the variable names with another character? Thanks

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• PHP controllable menubar position

  - by craide

  I'm an admin for a page and I want to give certain users dynamic control of the menubar layout. The ideal would be a page with a list with menu items and arrows pointing up and down with each item and when you click them the item is reordered. I have a pretty basic idea of how I can do it but I would like some suggestions. The items are stored in MySQL and I only need help figuring out how the items should be ordered or numbered and how to re-order them. This probably needs some javascript trickery and I'm not familiar with JS.

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• More memory usage for IIS 6 asp.net 2.0 on webserver 2003

  - by Alan King

  Running a webserver 2003 SP2 (x86) with IIS 6 and asp.net 2. The box is running mostly dynamic asp pages connecting to a sql 2008 server. At any given time there is over 1 gig of memory available out of the 2 gig in the box. It seems like there would be a way for it to make better use of the free memory. It is using a default machine.config file and default http.sys. I would like to maximize incoming internet connections and database connections. Is there something I can do to make better use of the available memory?

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• File listing application on Windows : what language ?

  - by Studer

  I need to create a simple application/script able to list the hierarchy of a folder containing subfolders and files (mostly PDF), so that a user can browse easily these files and maybe have a quick preview of them. The files are all on an internal file server, so the dynamic aspects should all be client-sided. My goal (and what my boss want) is to provide some sort of an HTML page listing, to have something like this. The only problem I have now is that I cannot install anything on computers, so I cannot use PHP, Python, ... This application will only runs on Windows in Internet Explorer. What are the different possibilities I have ? I don't know if I can do this but I was thinking of using HTML + Flex. Thanks for helping.

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• Return popupmenu selection in MATLAB using one line of code

  - by Doresoom

  I have a GUI which uses a selection from a popupmenu in another callback. Is there a way to return the selected value of the popupmenu in only one line without creating any temporary variables? I've tried several solutions, but I've only managed two lines with one temporary variable: Three lines: list=get(handles.popupmenu1,'String'); val=get(handles.popupmenu1,'Value'); str=list{val}; Two lines: temp=get(handles.popupmenu1,{'String','Value'}); str=temp{1}{temp{2}}; Can anyone shave it down to one? PS, It's a dynamic menu, so I can't just use get(handles.popupmenu1,'Value') and ignore the string component altogether.)

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• How to get the previous value from incrementing variable in for loop?

  - by Parth

  In My last post I asked : How to create dynamic incrementing variable using "for" loop in php? like wise: $track_1,$track_2,$track_3,$track_4..... so on.... whose answer I selected as for($i = 0; $i < 10; $i++) { $name = "track_$i"; $$name = 'hello'; } and for($i = 0; $i < 10; $i++) { ${'track_' . $i} = 'val' } Now, What If I need the Value of variable previous than the current variable?

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• Nginx logic (if cookie set, redirect here...) Is it possible?

  - by Matthew Steiner

  So, I have a pretty basic need, but I can't figure out if it's even possible, much less how to do it. I have a main page that anyone can see. Most of the rest of the application can be seen only if logged in (hence, a "set cookie"). So I was thinking, as long as they don't have a cookie set, they can just see a cached version of nginx. I can get it caching with this: proxy_cache STATIC; proxy_cache_valid 200 1d; proxy_cache_use_stale error timeout invalid_header updating http_500 http_502 http_503 http_504; And it helps a ton. (instead of 15 requests per second it gets over 1000). Now I just need some sort of "server logic" to say only serve the cached page if they have no cookie, otherwise, load the dynamic page (which will automatically redirect them into the app). Any ideas?

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• T-SQL: How to make a positive value turn into the equivalent negative value (e.g "10.00" to "-10.00"

  - by RPM1984

  Ok so i have a DECIMAL field called "Score". (e.g 10.00) Now, in my SP, i want to increment/decrement the value of this field in update transactions. So i might want to do this: SET @NewScore = @CurrentScore + @Points Where @Points is the value im going to increment/decrement. Now lets say @Points = 10.00. In a certain scenario, i want 10.00 to become -10.00 So the statement would be translated to: SET @NewScore = @CurrentScore + -10.00 How can i do that? I know its a strange question, but basically i want that statement to be dynamic, in that i dont want to have a different statement for incrementing/decrementing the value. I just want something like this: SET @Points = 10.00 IF @ActivityBeingPerformedIsFoo BEGIN -- SET @Points to be equivalent negative value, (e.g -10.00) END SET @NewScore = @CurrentScore + @Points

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• How to create updateable panel using AjaxLink of Wicket?

  - by Arne

  I try to realize a link (in fact many links) that update a table in an website using an AjaxLink of Wicket. But I fail, the table is never updated (I have "setOutputMarkupId(true)" and call "addComponent", but there must be something other thats wrong). How can I realize a panel with a number of links and a table that displays dynamic data, dependent on the link clicked? Can someone give an example (Maybe two links, when the first one is clicked the table displays two random numbers from 1-10, when the second is clicked the table displays random numbers from 1-100)? Without reloading the entire page, but only the html for the table?

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• Correct model for a database with a table for each user.

  - by BAH

  Kinda stuck here... I have an application with lets say 5000 rows of data per user and was wondering if it was right or wrong to do it this way: On user account creation a new table is created (UserData_[UserID]) or should I just have 1 table for userdata and have everything in there with a column for userid? The reason I am stuck at the moment is that it seems NHibernate isn't able to be mapped to dynamic table names without creating another ISessionFactory which has alot of overhead AFAIK. Any help would be greatly appreciated. Thanks.

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• Is there such a thing as a converter from php to html?

  - by 0plus1

  Don't think that I'm mad, I understand how php works! That being said. I develop personal website and I usually take advantage of php to avoid repetion during the development phase nothing truly dynamic, only includes for the menus, a couple of foreach and the likes. When the development phase ends I need to give the website in html files to the client. Is there a tool (crawler?) that can do this for me instead of visiting each page and saving the interpreted html?

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• Custom Parser for JQuery Tablesorter

  - by Tim

  I'm using the jQuery Tablesorter and have an issue with the order in which parsers are applied against table columns. I'm adding a custom parser to handle currency of the form $-3.33. $.tablesorter.addParser({ id: "fancyCurrency", is: function(s) { return /^\$[\-]?[0-9,\.]*$/.test(s); }, format: function(s) { s = s.replace(/[$,]/g,''); return $.tablesorter.formatFloat( s ); }, type: "numeric" }); The problem seems to be that the built-in currency parser takes precedence over my custom parser. I could put the parser in the tablesorter code itself (before the currency parser) and it works properly, but this isn't very maintainable. I can't specify the sorter manually using something like: headers: { 3: { sorter: "fancyNumber" }, 11: { sorter: "fancyCurrency" } } since the table columns are generated dynamically from user inputs. I guess one option would be to specify the sorter to use as a css class and use some JQuery to explicitly specify a sorter like this question suggests, but I'd prefer to stick with dynamic detection if possible.

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• How to learn Ruby on Rails as a complete Programming Beginner?

  - by Alex

  I want to build a scalable dynamic Web Application. I have never programmed an Object Oriented language before. Or, let's just say I am completely new to programming, because the previous experiences aren't worth talking about. I know I have a really big task ahead of me ^^ but I wanted to get into coding for the last 10 years and now that I'm finally doing it, I would like to know how to get there in the most efficient way. Any good books/tutorials you could recommend? Would it really make sense to learn other, better documented languages before learning RoR? Or would it be better for a beginner to learn C# with ASP.NET first? Thank you for your help in advance ;-)

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• Use of 'super' keyword when accessing non-overridden superclass methods

  - by jonny

  I'm trying to get the hang of inheritance in Java and have learnt that when overriding methods (and hiding fields) in sub classes, they can still be accessed from the super class by using the 'super' keyword. What I want to know is, should the 'super' keyword be used for non-overridden methods? Is there any difference (for non-overridden methods / non-hidden fields)? I've put together an example below. public class Vehicle { public int tyreCost; public Vehicle(int tyreCost) { this.tyreCost = tyreCost; } public int getTyreCost() { return tyreCost; } } and public class Car extends Vehicle { public int wheelCount; public Vehicle(int tyreCost, int wheelCount) { super(tyreCost); this.wheelCount = wheelCount; } public int getTotalTyreReplacementCost() { return getTyreCost() * wheelCount; } } Specifically, given that getTyreCost() hasn't been overridden, should getTotalTyreReplacementCost() use getTyreCost(), or super.getTyreCost() ? I'm wondering whether super should be used in all instances where fields or methods of the superclass are accessed (to show in the code that you are accessing the superclass), or only in the overridden/hidden ones (so they stand out).

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• How to select elements from a set that are children of another element

  - by Tatu Ulmanen

  Hi, The title is a bit confusing but here's what I'm after: I have a set of elements containing all the h3 elements in a page. In jQuery terms: var mySet = $('h3'). I also have an div element var myContainer = $('div#foo') I need to find all items in the set mySet that are children of myContainer. Any ideas? I bet there's some magical one liner for this but I cannot think of any. I'd rather not loop through every element in the set manually and use .closest(myContainer) or something like that to determine the relationship. Note that in my scenario, I cannot use a new selector like $('div#foo h3') (that would be too easy) as I don't have access to the actual selector values. So it has to be dynamic.

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• How to build a SQL statement when any combination of user input to the table is possible?

  - by Greg McNulty

  Example: the user fills in everything but the product name. I need to search on what is supplied, so in this case everything but productName= This example could be for any combination of input. Is there a way to do this? Thanks. $name = $_POST['n']; $cat = $_POST['c']; $price = $_POST['p']; if( !($name) ) { $name = some character to select all? } $sql = "SELECT * FROM products WHERE productCategory='$cat' and productName='$name' and productPrice='$price' "; EDIT Solution does not have to protect from attacks. Specifically looking at the dynamic part of it.

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• Symbol not found: _curl_easy_cleanup

  - by Bharadwaj

  I am working on porting a python application to Mac OS X. The application makes use of pycurl and PyCDF. When I run my code, I get this error : > File > "/Library/Python/2.5/site-packages/pycdf/pycdfext.py", > line 5, in <module> > import _pycdfext ImportError: dlopen(/Library/Python/2.5/site-packages/pycdf/_pycdfext.so, > 2): Symbol not found: > _curl_easy_cleanup Referenced from: /Library/Python/2.5/site-packages/pycdf/_pycdfext.so > Expected in: dynamic lookup I tried installing different versions of curl, pycurl with different configs of libcurl. Still stuck Platform : 10.5.8 Curl : 7.19.4 [also tried 7.20.1] Pycurl : 7.19.0 How do I fix this error?

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• algorithm to find Best 8 minute window in a 1 hour run

  - by Arun

  I have a requirement like, an activity runs for about more than an hour. I need to get the best 8 minute window where some parameters are maximum. say a value x, which is dynamic for every second. if my activity runs for one hr,i get 3600 values for x. I need to find the best continuous 8 minute time interval where x value was the highest among all the others. if i capture say from 0th minute to 8th minute, there may be another time frame like 0.4 to 8.4 where it was maximum. the granularity is one second. every second we need to consider. basically the peak 8 minute window where x was maximum. please help me with the design

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• How to position columns in select list based on a variable.

  - by Rohit

  I am creating a dynamic grid which is created by selecting the format defined in the below XML.My select list includes all columns in this XML,I want to position these columns columns on the basic of position attribute in XML. <gridFormat> <column property="CustomerID" dbName="CustName" HeaderText="Customer" IsVisible="0" Position="1" /> <column property="CustomerName" dbName="FacilityName" HeaderText="Facility" IsVisible="1" Position="3" /> <column property="FacilityInternalID" dbName="Pname" HeaderText="Patient" IsVisible="1" Position="2" /> </gridFormat> I cannot select them in the order specified by the position attribute. I can do it in C# by looping around the returned datatable and specifically position columns using datatable.columns.setordinal() method. Is there any better way in SQL or C# to accomplish this.

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• How to tell the MinGW linker not to export all symbols?

  - by James R.

  Hello, I'm building a Windows dynamic library using the MinGW toolchain. To build this library I'm statically linking to other 2 which offer an API and I have a .def file where I wrote the only symbol I want to be exported in my library. The problem is that GCC is exporting all of the symbols including the ones from the libraries I'm linking to. Is there anyway to tell the linker just to export the symbols in the def file? I know there is the option --export-all-symbols but there seems not to be the opposite to it. Right now the last line of the build script has this structure: g++ -shared CXXFLAGS DEFINES INCLUDES -o library.dll library.cpp DEF_FILE \ OBJECT_FILES LIBS -Wl,--enable-stdcall-fixup EDIT: In the docs about the linker it says that --export-all-symbols is the default behavior and that it's disabled when you don't use that option explicitly if you provide a def file, except when it doesn't; the symbols in 3rd party libs are being exported anyway. EDIT: Adding the option --exclude-libs LIBS doesn't keep their symbols from being exported either.

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• How do I dynamically specify a file in DOS?

  - by donde

  I am trying to use c# in .net to run dos commands to ftp a a file. Technically, it calls a BAT file which calls a CMD file which executes the DOS code. It was up to the CMD file. The CMD fiel will work if I hardcode the path, but I need to dynamically specify the path of the file. BAT File... ftp.exe -s:%~dp0\mycmdfile.cmd And in the cmd file... open <my ost> <my user name> <my pw> quote site cyl pri=1 sec=1 lrecl=1786 blksize=0 recfm=fb retpd=30 put <here is where I need the dynamic path> + localfilename remotefilename quit

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