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  • Flash Media Server dynamic file naming

    - by flying_tiger
    I'm trying to figure out most efficient/safe way to name recorded streams on FMS. The case is to get listing of recorded streams from the server (eg. rec_001, rec_002...) and dynamically add rec_003 filename to the new stream that is being recorded. I'm thinking about either using FMS File Object and put everything in array of files every time I start recording procedure or to create XML file that would serve as a database of file names. I'm searching for a solution efficient for MULTIPLE connections at a time and large amount of files. Which one of presented would be the best for this purpose? Or do you have any better suggestions of solving this problem?

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  • Dynamic swappable Data Access Layer

    - by Andy
    I'm writing a data driven WPF client. The client will typically pull data from a WCF service, which queries a SQL db, but I'd like the option to pull the data directly from SQL or other arbitrary data sources. I've come up with this design and would like to hear your opinion on whether it is the best design. First, we have some data object we'd like to extract from SQL. // The Data Object with a single property public class Customer { private string m_Name = string.Empty; public string Name { get { return m_Name; } set { m_Name = value;} } } Then I plan on using an interface which all data access layers should implement. Suppose one could also use an abstract class. Thoughts? // The interface with a single method interface ICustomerFacade { List<Customer> GetAll(); } One can create a SQL implementation. // Sql Implementation public class SqlCustomrFacade : ICustomerFacade { public List<Customer> GetAll() { // Query SQL db and return something useful // ... return new List<Customer>(); } } We can also create a WCF implementation. The problem with WCF is is that it doesn't use the same data object. It creates its own local version, so we would have to copy the details over somehow. I suppose one could use reflection to copy the values of similar fields across. Thoughts? // Wcf Implementation public class WcfCustomrFacade : ICustomerFacade { public List<Customer> GetAll() { // Get date from the Wcf Service (not defined here) List<WcfService.Customer> wcfCustomers = wcfService.GetAllCustomers(); // The list we're going to return List<Customer> customers = new List<Customer>(); // This is horrible foreach(WcfService.Customer wcfCustomer in wcfCustomers) { Customer customer = new Customer(); customer.Name = wcfCustomer.Name; customers.Add(customer); } return customers; } } I also plan on using a factory to decide which facade to use. // Factory pattern public class FacadeFactory() { public static ICustomerFacade CreateCustomerFacade() { // Determine the facade to use if (ConfigurationManager.AppSettings["DAL"] == "Sql") return new SqlCustomrFacade(); else return new WcfCustomrFacade(); } } This is how the DAL would typically be used. // Test application public class MyApp { public static void Main() { ICustomerFacade cf = FacadeFactory.CreateCustomerFacade(); cf.GetAll(); } } I appreciate your thoughts and time.

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  • Comparing objects and inheritance

    - by ereOn
    Hi, In my program I have the following class hierarchy: class Base // Base is an abstract class { }; class A : public Base { }; class B : public Base { }; I would like to do the following: foo(const Base& one, const Base& two) { if (one == two) { // Do something } else { // Do something else } } I have issues regarding the operator==() here. Of course comparing an instance A and an instance of B makes no sense but comparing two instances of Base should be possible. (You can't compare a Dog and a Cat however you can compare two Animals) I would like the following results: A == B = false A == A = true or false, depending on the effective value of the two instances B == B = true or false, depending on the effective value of the two instances My question is: is this a good design/idea ? Is this even possible ? What functions should I write/overload ? My apologies if the question is obviously stupid or easy, I have some serious fever right now and my thinking abilities are somewhat limited :/ Thank you.

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  • C++ dynamic array causes segmentation fault at assigment

    - by opc0de
    I am doing a application witch uses sockets so I am holding in an array the sockets handles.I have the following code: while(0 == 0){ int * tx = (int*)(malloc((nr_con + 2) * sizeof(int))); if (conexiuni != NULL) { syslog(LOG_NOTICE,"Ajung la eliberare %d",nr_con); memcpy(&tx[0],&conexiuni[0],(sizeof(int) * (nr_con))); syslog(LOG_NOTICE,"Ajung la eliberare %d",nr_con); free(conexiuni); } conexiuni = tx; syslog(LOG_NOTICE,"Ajung la mama %d",nr_con); //The line bellow causes a segfault at second connection if ((conexiuni[nr_con] = accept(hsock,(sockaddr*)(&sadr),&addr_size)) != -1) { nr_con++; syslog(LOG_NOTICE,"Primesc de la %s",inet_ntoa(sadr.sin_addr)); syslog(LOG_NOTICE,"kkt %d",conexiuni[nr_con - 1]); int * sz = (int*)malloc(sizeof(int)); *sz = conexiuni[nr_con - 1]; syslog(LOG_NOTICE,"after %d",*sz); pthread_create(&tidi,0,&ConexiuniHandler, sz); } } When I connect the second time when I assign the array the program crashes. What am I doing wrong? I tried the same code on Windows and it works well but on Linux it crashes.

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  • Dynamic picture that displays the visitors IP address?

    - by Rob
    I see this a lot now, jpg files displaying your IP address. To you of course, not to others, they would see their own For example: How is this even possible? If this is possible, would it be possible to log an IP into a MySQL database from the picture as well? Is my IP getting logged when I view this?

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  • java objects, shared variables

    - by raven
    hello, I have a simple question here. If I declare a variable inside an object which was made [declared] in the main class, like this: public static int number; ( usually I declare it like this : private int number; ) can it be used in a different object which was also made [declared] in the main class? btw I do not care about security atm, I just want to make something work, don't care about protection)

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  • Looking for industry numbers on source code management

    - by Dave Duchene
    I'm looking for statistics on SCM usage, in particular I'm trying to find out what percentage of their time developers spend on SCM-related tasks. The more detailed the breakdown, the better. Online and offline resources would both be tremendously useful to me. Can anyone point me towards some industry studies? Preferably recent ones?

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  • How to get a dynamic attribute name in cfloop over query in ColdFusion

    - by Kip
    I'm inside a cfloop over a query. I want to get an attribute, but I won't know what that attribute will be until runtime. Using #qryResult[MyAttr]# fails with the error "Complex object types cannot be converted to simple values." What is the syntax for doing this? Here is a simplified example: <cfquery datasource="TestSource" name="qryResult"> SELECT * FROM MyTable </cfquery> <cfloop query="qryResult"> <cfset MyAttr="autoid" /> <cfoutput> Test 1: #qryResult.autoid# <br/> <!--- succeeds ---> Test 2: #qryResult[MyAttr]# <br/> <!--- fails ---> </cfoutput> </cfloop>

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  • Update model objects across different activities

    - by Tom Esterez
    Lets say I have 2 activities: A: A ListView displaying articles titles. Data is fetched from a web server and converted from XML to a list of ArticleSummary. Only user titles and id are returned by the server. Click on a title starts activity B. B: A form to edit an article. Article is fetched from server. When the user hits OK, modifications are sent to the server and activity closed. When the user go back to activity A, I would like to update the article title without any additional web request. I was thinking about the following solution: When article is modified, send a broadcast event with article id and new attributes values. Listen for this event on activity A Update the ArticleSummary object notify data changed on ListView Is there a better approach ?

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  • jQuery Scrollable Dynamic

    - by Coron3r
    Hi, I am doing a site where I need to change dynamically the amount of items in one slide depending on the resolution. I'm using the Jquery Tools scrollable For better understanding, here is the basic markup <div class="scrollable"> <!-- root element for the items --> <div class="items"> <!-- 1-5 --> <div> <img src="http://farm1.static.flickr.com/143/321464099_a7cfcb95cf_t.jpg" /> <img src="http://farm4.static.flickr.com/3089/2796719087_c3ee89a730_t.jpg" /> <img src="http://farm1.static.flickr.com/79/244441862_08ec9b6b49_t.jpg" /> <img src="http://farm1.static.flickr.com/28/66523124_b468cf4978_t.jpg" /> <img src="http://farm1.static.flickr.com/164/399223606_b875ddf797_t.jpg" /> </div> <!-- 5-10 --> <div> <img src="http://farm1.static.flickr.com/163/399223609_db47d35b7c_t.jpg" /> <img src="http://farm1.static.flickr.com/135/321464104_c010dbf34c_t.jpg" /> <img src="http://farm1.static.flickr.com/40/117346184_9760f3aabc_t.jpg" /> <img src="http://farm1.static.flickr.com/153/399232237_6928a527c1_t.jpg" /> <img src="http://farm1.static.flickr.com/50/117346182_1fded507fa_t.jpg" /> </div> <!-- 10-15 --> <div> <img src="http://farm4.static.flickr.com/3629/3323896446_3b87a8bf75_t.jpg" /> <img src="http://farm4.static.flickr.com/3023/3323897466_e61624f6de_t.jpg" /> <img src="http://farm4.static.flickr.com/3650/3323058611_d35c894fab_t.jpg" /> <img src="http://farm4.static.flickr.com/3635/3323893254_3183671257_t.jpg" /> <img src="http://farm4.static.flickr.com/3624/3323893148_8318838fbd_t.jpg" /> </div> </div> </div> Ok and now I would like to set, that if I have a resolution bellow 1440, I would show only e.g. 3 images <div class="scrollable"> <!-- root element for the items --> <div class="items"> <!-- 1-3 --> <div> <img src="http://farm1.static.flickr.com/143/321464099_a7cfcb95cf_t.jpg" /> <img src="http://farm4.static.flickr.com/3089/2796719087_c3ee89a730_t.jpg" /> <img src="http://farm1.static.flickr.com/79/244441862_08ec9b6b49_t.jpg" /> </div> <!-- 3-6 --> <div> <img src="http://farm1.static.flickr.com/163/399223609_db47d35b7c_t.jpg" /> <img src="http://farm1.static.flickr.com/135/321464104_c010dbf34c_t.jpg" /> <img src="http://farm1.static.flickr.com/40/117346184_9760f3aabc_t.jpg" /> </div> ..etc </div> </div> I know that I should use the screen.width(); function but how to slice and parse it depending on the resolution? Thanks for your comments!

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  • Posting form using javascript and json with nested objects

    - by Tim
    I have an html form that has the following structure: <input type="text" name="title" /> <input type="text" name="persons[0].name" /> <input type="text" name="persons[0].color" /> <input type="text" name="persons[1].name" /> <input type="text" name="persons[1].color" /> I would like to serialize this into the following json: { "title":"titlecontent", "persons":[ { "name":"person0name", "color":"red" }, { "name":"person1name", "color":"blue" } ] } Notice that the number of persons can vary from case to case. The structure of the html form can change, but the structure of the submitted json can't. How is this done the easiest?

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  • Can I use Cassandra to store objects?

    - by Sandeep
    Hi, My application works like this. A database(Mysql) where there is a command. The command is an object(consists of fields many fields like ints ans strings). There is a webservice which interact with the database and get the command from the db and performs some operation. The way how I am storing the command into db is by stripping all the fields and inserting them in to the db. Can I use cassandra in place of mysql and store the command object?

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  • Using LINQ to isolate a particular obect from a list of objects

    - by dezkev
    Hello All, I am trying my hand at making an invaders clone. there are 30 aliens arranged in a 5x 6 matrix on screen. I need to give the bottom most alien the ability to fire a shot. I am using LINQ to group the aliens into 5 groups based on Location.X and then sort the groups descending.I then need to choose one of the groups ( that gives me 5 groups) and select the First alien in the group and use it;s coordinate to fire a shot. My code below ,well ,works , but aliens in ANY row are merrily firing shots- not just the bottom most. Pl look at my code below and tell me whats wrong. (r = an instance of the Random class, all aliens are in a list called invaders). { var query = (from inv in invaders group inv by inv.Location.X into invgroup orderby invgroup.Key descending select invgroup).ToList(); var invfirst = query[r.Next(query.Count)].First(); invaderShots.Add(new Shot( new Point(invfirst.Area.X + invfirst.Area.Width / 2, invfirst.Area.Y + invfirst.Area.Height + 5), displayrect, Shot.Direction.Down)); }

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  • Dynamic control click event not firing properly

    - by Wil
    I'm creating a next/previous function for my repeater using pageddatasource. I added the link button control dynamically in my oninit using the following code. LinkButton lnkNext = new LinkButton(); lnkNext.Text = "Next"; lnkNext.Click += new EventHandler(NextPage); if (currentPage != objPagedDataSource.PageCount) { pnlMain.Controls.Add(lnkNext); } So in my initial page_load, the next link comes up fine. There are 5 pages in my objPagedDataSource. currentPage variable is 1. The "NextPage" event handler looks like this public void NextPage(object sender, EventArgs e) { if (HttpContext.Current.Request.Cookies["PageNum"] == null) { HttpCookie cookie = new HttpCookie("PageNum"); cookie.Value = "1"; } else { HttpCookie cookie = HttpContext.Current.Request.Cookies["PageNum"]; cookie.Value = (Convert.ToInt32(cookie.Value) + 1).ToString(); } this.BindRepeater(); } So I am incrementing the cookie I am using to track the page number and then rebinding the repeater. Here is the main issue. The first time I click Next, it works, it goes to Page 2 without any problems. When on Page 2, I click Next, it goes back to Page 1. Seems like the Next event is not wiring up properly. Not sure why, any ideas?

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  • jQuery: inherit functions to several objects

    - by Fuxi
    hi, i made several table-based-widgets (listview-kind-of) which all have the same characteristics: styling odd/even rows, hover on/off, set color onClick, deleting a row when clicking on trash-icon. so it's always the same (prototype-)code for each widget. is there a way to have the code only once then simply apply/inherit it to all widgets? 2nd, here's some of the code - could this be optimized? var me = this; $("tr",this.table).each(function(i) { var tr = $(this); tr.bind("mouseover",function(){me.hover(tr,true)}); tr.bind("mouseout",function(){me.hover(tr,false)}); tr.bind("click",function(){me.Click(tr)}); }); $("tr").filter(":odd").addClass("odd");

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  • Cant get JavaScipt to check for null objects

    - by CountMurphy
    I really don't know what the issue is here. Far as I can see, the code is simple and should work fine. var Prices=""; for (var PriceCount = 1; PriceCount <= 120; PriceCount++) { var CurrentPrice = "Price" + PriceCount; if (prevDoc.getElementById(CurrentPrice).value != null) { if (Prices == "") { Prices = prevDoc.getElementById(CurrentPrice).value; } else { Prices += "," + prevDoc.getElementById(CurrentPrice).value; } } else { break; } } There could be up to 120 hidden inputs on the form. The moment we check for an input that doesn't exist the loop should break. My test page has two input elements that get pulled. On the third (the null) I get this error in firebug: prevDoc.getElementById(CurrentPrice) is null if (prevDoc.getElementById(CurrentPrice).value != null) { Yes it is null...that's what the check is for ?_? Does any one know what I'm doing wrong? This seems like it should be really straight forward. EDIT: for clarity's sake, prevDoc=window.opener.document

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  • Best ways to construct Dynamic Search Conditions for Sql

    - by CoolBeans
    I have always wondered what's the best way to achieve this task. In most web based applications you have to provide search options on many different criteria. Based on what criteria is chosen behind the scene you modify your SQL. Generally, this is how I tend to go about it:- Have a base SQL template. In the base template have conditions like this WHERE [#PRE_COND1] AND [#PRE_COND2] .. so on and so forth. So an example SQL might look something like SELECT NAME,AGE FROM PERSONS [,#TABLE2] [,#TABLE3] WHERE [#PRE_COND1] AND [#PRE_COND2] ORDER BY [#ORD_COND1] AND [#ORD_COND2] etc. During run time after figuring out the all the search criteria user has entered, I replace the [#PRE_COND1]s and [#ORD_COND1]s with the appropriate SQLs and then execute the query. I personally do not like this brute force method. However, I never came across a better approach either. How do you accomplish such tasks generally given you are either using native JDBC or Spring JDBC? It is almost like I need a C MACRO like functionality in Java to do this.

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  • Representing versions of objects with CakePHP

    - by user636901
    Hi people, Have just started to get into CakePHP since a couple of weeks back. I have some experience with MVC-frameworks, but this problem holds me back a bit. I am currently working on a model foo, containing a primary id and some attributes. Since a complete history of the changes of foo is necessary, the content of foo is saved in the table foo_content. The two tables are connected through foo_content.foo_id = foo.id, in Cake with a foo hasMany foo_content-relationship. To track the versions of foo, foo_content also contains the column version, and foo itself the field currentVersion. The version is an number incremented by one everytime the user updates foo. This is an older native PHP-app btw, to be rewritten on top of Cake. 9 times out of 10 in the app, the most recent version (foo.currentVersion) is the db-entry that need to be represented in the frontend. My question is simply: is there someway of representing this directly in the model? Or does this kind of logic simply need to be defined in the controller? Most grateful for your help!

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  • Dynamic Links in that auto navigates to the top of a div

    - by Dot Oyes
    I have a forum whereby links to a thread looks like http://www.website.com/comments.php?topic_id=1 How can I make it look like this http://www.website.com/1046302/some-link-desc#12154109 so that when such links are given out, the user is taken directly to that particular comment. I'm particular about the #12154109 . The other part of the URL /1046302/some-link-desc is achieved through .htaccess configuration.

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  • Dynamic Button Layout without hard coding positions

    - by mmc
    I would like to implement a view (it will actually be going into the footer of a UITableView) that implements 1-3 buttons. I would like the layout of these buttons (and the size of the buttons themselves) to change depending on which ones are showing. An example of almost the exact behavior I would want is at the bottom of the Info screen in the Contacts application when you are looking at a specific contact ("Add to Favorites" disappears when it is clicked, and the other buttons expand to take up the available space in a nice animation). As I'm running through the different layout scenarios, I'm hard coding all these values and I just think... "this is NOT the way I'm supposed to be doing this." It even APPEARS that Interface Builder has some features that may do this for me in the ruler tab, but I'll be darned if I can figure out how they work (if they work) on the phone. Does anyone have any suggestions, or a tutorial online that I could look at to point me in the right direction? Thanks much.

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