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  • Developing an Interface to a Dynamic System

    - by radix07
    I work for a small company and have been designing a GUI to interface our embedded system. The problem with this embedded system is that it is not a finished product (may never be) and is constantly under development and being tweaked and updated for different customers and applications in small volumes. So to deal with this I made a program that can export all the data from a spreadsheet where most of the embedded system variables are sourced from and throw them into a small database for the GUI application to use. This database program I made also spits out a cross reference file for the embedded system which allows the GUI to look up all the variables. This system works pretty well so far, and is even integrated with version control among the GUI, database, and embedded system. The big problem is that there is constant development on several projects that use this system and it gets terribly tedious to keep the system up to date and bring in new changes. This has gotten to the point to where I have had to code the GUI to dynamically (generically) generate all interfaces since I am never guaranteed to find the same data the same way. I have not been able to come up with a good way to uniquely identify the data I import from excel since all fields are able to be changed (due to engineering stubbornness, code re-factoring and/or excel issues) and I cannot assign a fixed reference within the sheet itself. So, are there any good methods or ideas on how to handle the chaos?

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  • Dynamic Strategy Pattern [migrated]

    - by Karl Barker
    So I'm writing a web service architecture which includes FunctionProvider classes which do the actual processing of requests, and a main Endpoint class which receives and delegates requests to the proper FunctionProvider. I don't know exactly the FunctionProviders available at runtime, so I need to be able to 'register' (if that's the right word) them with my main Endpoint class, and query them to see if they match an incoming request. public class MyFunc implements FunctionProvider{ static { MyEndpoint.register(MyFunc); } public Boolean matchesRequest(Request req){...} public void processRequest(Request req){...} } public class MyEndpoint{ private static ArrayList<FunctionProvider> functions = new ArrayList<FunctionProvider>(); public void register(Class clz){ functions.add(clz); } public void doPost(Request request){ //find the FunctionProvider in functions //matching the request } } I've really not done much reflective Java like this (and the above is likely wrong, but hopefully demonstrates my intentions). What's the nicest way to implement this without getting hacky?

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  • Standalone URL 301 Redirect Manager [on hold]

    - by Lex
    I'm looking for a script with a simple interface that helps me manage a large list of 301 redirects of the form: http://example.com/short ---> http://example.com/long-and-descriptive For example the following Wordpress plugin does this job, but it seems excessive to install Wordpress just for this one simple functionality. It looks like my question is similar to this closed question, but hopefully rephrased in such a way that makes it more relevant and "constructive".

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  • Dynamic Components

    - by Alex
    I am attempting to design a component-based architecture that allows Components to be dynamically enabled and disabled, much like the system employed by Unity3D. For example, all Components are implicitly enabled by default; however, if one desires to halt execution of code for a particular Component, one can disable it. Naively, I want to have a boolean flag in Component (which is an abstract class), and somehow serialize all method calls into strings, so that some sort of ComponentManager can check if a given Component is enabled/disabled before processing a method call on it. However, this is a pretty bad solution. I feel like I should employ some variation of the state paradigm, but I have yet to make progress. Any help would be greatly appreciated,

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  • Dynamic Post-build event in Visual Studio

    - by SSumner
    I am building a video server application that has multiple projects in Visual Studio. One project, the video server project, needs to call a shell script to generate documentation. This works fine when you build the video server project, because the script is simply cd "$(SolutionDir)" start documentationgenerator However, there is also an SDK project that, when built, also builds the video server project. However, when it does this, it does not know where the shell script is, since it tries to use the SDK Project's Solution Directory. SDK Project Video Server Project shell script So the question is: how do I make the SDK Project find the Video Server Project? I checked the MSBuild properties and there are no properties that seem to deal with 'nested' projects.

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  • htaccess url rewrite

    - by user761396
    I used to have a rewrite rule to RewriteRule ^([^/]+)\.htm$ index.php?c=$1 [NC] RewriteRule ^([^/]+)\.htm/([0-9.]+)$ index.php?c=$1&amt=$2 [NC] Now, i have to change to RewriteRule ^1/([^/]+)\.htm$ index.php?c=$1 [NC] RewriteRule ^1/([^/]+)\.htm/([0-9.]+)$ index.php?c=$1&amt=$2 [NC] RewriteRule ^2/([^/]+)\.htm$ index2.php?c=$1 [NC] RewriteRule ^2/([^/]+)\.htm/([0-9.]+)$ index2.php?c=$1&amt=$2 [NC] (the difference is adding a subdirectory) My question is how to redirect my old ones to the 1/ subdirectory? thank you

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  • I think there is a problem with my url encoding

    - by TheGateKeeper
    I took someone's advice and started encoding my image sources, but Google doesn't seem to be able to decode them. I probably did something wrong, because basically Google is taking the full path as the image's name. See this page as an example. If you go on the top most thumbnail and do "Save as", you will see the path is not being decoded. Should I stop decoding or am I doing it wrong? Should I encode only the image name itself? Thanks!

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  • Script to create dynamic PIVOT queries in SQL Server

    Pivoting is a common reporting requirement - data is stored in columns and you need to present it in rows. This was a nice feature that was added to SQL Server, but you don't always know all of the values you need to pivot on. This tip looks at how you can dynamically create the pivot command to handle these unknown values. Top 5 hard-earned lessons of a DBAIn part one, read about ‘The Case of the Missing Index’ and learn from the experience of The DBA Team. Read now.

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  • Restricting URL w.r.t HTTP method and setting different authentication mechanism for each

    - by user31745
    I shall start with an example. I want to restrict to POST requests only for http://path/to/logical/abc.xml and restrict to GET only for http://path/to/logical/def.xml. How do I put constraints like this as the paths are logical and location directive is not supported in .htaccess? The actual problem is to set different authentication type(basic, digest) on diff logical file.for eg. for abc.xml I want to authenticate for Basic type of authentication and def.xml with digest.

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  • Creating dynamic plots

    - by geoff92
    I'm completely new to web programming but I do have a programming background. I'd like to create a site that allows users to visit, enter some specifications into a form, submit the form, and then receive a graph. I have a few questions about this, only because I'm pretty ignorant: Is there a good framework I should start in? I know a lot of java, I'm okay with python, and I learned Ruby in the past. I figure I might use ruby on rails only because I hear of it so often and I think I've also heard it's easy. If anyone has some other recommendation, please suggest. The user will be entering data into a form. I'm guessing the request they'll be making should be one of a GET request, right? Because I don't intend for any of the data they're entering to modify my server (in fact, I don't intend on having a database). The data the user inputs will be used to perform calculations involving lots of matrices. I've written this functionality in python. If I use ruby on rails, should it be instead written in Ruby? Somewhere I've heard that you can either place the load of the work on your server or on the client's computer. Since the code performs heavy math, which option is preferable? How do I alter the setup to either make the client do the work or my server? Should I be using a "cgi-bin"? In the code that I have now, I use matplotlib, a python library, and then "show" the plot in order to see the graph. I specify the x and y limits, but I am able to "drag" the graph in order to see more data within the plot window. Ultimately, I want a graph to be shown on my site with the drag functionality. Is this possible? What if the client drags the graph so far, more computations must be made? Thanks!

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  • How to Retrieve URL Data With the PHP GET Function

    Learn how to use $_GET effectively to collect data on any PHP page. When a request is made to a PHP script, take advantage of the built in PHP Super Global Array $_GET which automatically stores any Request data. Learn the difference between the Request and Response cycle of the web.

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  • Dynamic object creation with HashMap

    - by Salor
    I want to use a HashMap to dynamically create objects based on the key. I have a Random Map Generator that stores the maps in 3D Arrays of Type Integer[][][]. Upon creation of the actual map I iterate through this array and based on the Integer I want to create the right block. Example: Integer[][][] map ... map[6][6][6] = 3; 3 is a Earth-Block and now I want to initialize a new Block of this type and give it the right coordinates. Currently I store my Bindings from Integer to Class in a HashMap(Integer, String) and create my objects like that: int id = array[x][y][z]; String block_name = Blocks.map.get(id); Block block = (Block) Class.forName(block_name).newInstance(); block.setPosition(x,y,z); But I want to avoid newInstance() if possible. I've never worked that dynamically with Java before and I couldn't find a solution like changing the HashMap to (Integer, Class) or something. I just need to create a new Object based upon the Integer. Any ideas/solutions? Thanks in advance and have a wonderful day!

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  • Microsoft ASP.NET: Create Dynamic Web Applications

    Attend an upcoming live webcast or download the on-demand sessions and learn about the improvements in Microsoft ASP.NET 4. Hear about new controls and templating capabilities that enable rich Web development for applications using a variety of server-side technologies, new features of ASP.NET AJAX 4, and enhancements being made to server controls. Dive in and explore this content today.

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  • Creating Dynamic Web Content

    The most important part of your website is the quality of your content. Without good content you will not get the page ranking in the search engines that you need to get to be successful.

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  • Creating Dynamic Web Content

    The most important part of your website is the quality of your content. Without good content you will not get the page ranking in the search engines that you need to get to be successful.

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