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  • How to increment counters based on a printed array

    - by Sam Liew
    I managed to developed a simple board of 5x5 using random numbers and array. Big achievement for someone like me! :) Now I have to increment the counters depending on the frequency of the numbers. If the value within 0-49 is printed..then nCounter++ If the value within 50-75 is printed..then pCounter++ something like that. The problem is that I don't know how to increase the counters based on the printed board. Here is the code: #include <stdio.h> #include <stdlib.h> #include <time.h> int main() { //Initialize Variables int randomNumber; int rows; int columns; int hdCounter =0; int hCounter = 0; int cCounter = 0; int pCounter = 0; int nCounter = 0; //Declare board size int board[5][5]; //size of board is 5 x 5 //Create the random number generator seed srand(time(NULL)); //Assign the random numbers from 1 - 25 into variable randomNumber //Create the rows for the board for ( rows = 1; rows <= 5 ; rows++ ) { //Create the colimns for the board for ( columns = 1; columns <= 5 ; columns++ ) { //Assign variable randomNumber into variable board randomNumber = rand() %100 + 1; board[rows][columns] = randomNumber; //print the board printf("%d\t", board[rows][columns]); //calculate the frequency of numbers on the printed board if (randomNumber >= 85 && randomNumber <= 100 ) hdCounter++; else if ( randomNumber >= 75 ) hCounter++; else if ( randomNumber >= 65 ) cCounter++; else if ( randomNumber >= 50 ) pCounter++; else if ( randomNumber >= 1 ) nCounter++; else continue; } //Newline after the end of 5th column. printf("\n\n"); } printf( "N \t P \t C \t H \t HD\n\n" ); printf("%d \t %d \t %d \t %d \t %d \t", nCounter, pCounter, cCounter, hCounter, hdCounter); }//end main I tried replacing randomNumber in the if-statement with board[rows][columns] but I seem to get the same undesired results.

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  • Truncating long strings with CSS: feasible yet?

    - by Sam Stokes
    Is there any good way of truncating text with plain HTML and CSS, so that dynamic content can fit in a fixed-width-and-height layout? I've been truncating server-side by logical width (i.e. a blindly-guessed number of characters), but since a 'w' is wider than an 'i' this tends to be suboptimal, and also requires me to re-guess (and keep tweaking) the number of characters for every fixed width. Ideally the truncation would happen in the browser, which knows the physical width of the rendered text. I've found that IE has a text-overflow: ellipsis property that does exactly what I want, but I need this to be cross-browser. This property seems to be (somewhat?) standard but isn't supported by Firefox. I've found various workarounds based on overflow: hidden, but they either don't display an ellipsis (I want the user to know the content was truncated), or display it all the time (even if the content wasn't truncated). Does anyone have a good way of fitting dynamic text in a fixed layout, or is server-side truncation by logical width as good as I'm going to get for now?

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  • N-tier Repository POCOs - Aggregates?

    - by Sam
    Assume the following simple POCOs, Country and State: public partial class Country { public Country() { States = new List<State>(); } public virtual int CountryId { get; set; } public virtual string Name { get; set; } public virtual string CountryCode { get; set; } public virtual ICollection<State> States { get; set; } } public partial class State { public virtual int StateId { get; set; } public virtual int CountryId { get; set; } public virtual Country Country { get; set; } public virtual string Name { get; set; } public virtual string Abbreviation { get; set; } } Now assume I have a simple respository that looks something like this: public partial class CountryRepository : IDisposable { protected internal IDatabase _db; public CountryRepository() { _db = new Database(System.Configuration.ConfigurationManager.AppSettings["DbConnName"]); } public IEnumerable<Country> GetAll() { return _db.Query<Country>("SELECT * FROM Countries ORDER BY Name", null); } public Country Get(object id) { return _db.SingleById(id); } public void Add(Country c) { _db.Insert(c); } /* ...And So On... */ } Typically in my UI I do not display all of the children (states), but I do display an aggregate count. So my country list view model might look like this: public partial class CountryListVM { [Key] public int CountryId { get; set; } public string Name { get; set; } public string CountryCode { get; set; } public int StateCount { get; set; } } When I'm using the underlying data provider (Entity Framework, NHibernate, PetaPoco, etc) directly in my UI layer, I can easily do something like this: IList<CountryListVM> list = db.Countries .OrderBy(c => c.Name) .Select(c => new CountryListVM() { CountryId = c.CountryId, Name = c.Name, CountryCode = c.CountryCode, StateCount = c.States.Count }) .ToList(); But when I'm using a repository or service pattern, I abstract away direct access to the data layer. It seems as though my options are to: Return the Country with a populated States collection, then map over in the UI layer. The downside to this approach is that I'm returning a lot more data than is actually needed. -or- Put all my view models into my Common dll library (as opposed to having them in the Models directory in my MVC app) and expand my repository to return specific view models instead of just the domain pocos. The downside to this approach is that I'm leaking UI specific stuff (MVC data validation annotations) into my previously clean POCOs. -or- Are there other options? How are you handling these types of things?

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  • jquery datepicker format problem

    - by Sam Vloeberghs
    Hi I'm having a problem trying to format the output on the jQuery UI datepicker. I want the dateformat to be the 'ISO 8601' format, like explained here: http://jqueryui.com/demos/datepicker/#date-formats This is what my code looks like: $.datepicker.setDefaults($.datepicker.regional['nl']); $('.datepicker').datepicker('option', {dateFormat: 'yy-mm-dd' }); Can someone help and advice plz? Thx in advance! I really trust this community for providing a quick and great answer! :)

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  • Splitting a string in ASP Classic

    - by Sam
    So here's my string: Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam elit lacus, dignissim quis laoreet non, cursus id eros. Etiam lacinia tortor vel purus eleifend accumsan. Pellentesque habitant morbi tristique senectus et netus et malesuada fames ac turpis egestas. Quisque bibendum vestibulum nisl vitae volutpat. I need to split it every 100 characters (full words only) until all the characters are used up. So we'd end up with: Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nullam elit lacus, dignissim quis laoreet non, and cursus id eros. Etiam lacinia tortor vel purus eleifend accumsan. Pellentesque habitant morbi tristique and senectus et netus et malesuada fames ac turpis egestas. Quisque bibendum vestibulum nisl vitae volutpat. Any ideas on the best way to do that?

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  • Flex Builder 3 Unclosable Editor Windows

    - by Sam Goldman
    See: http://i.imgur.com/pQNQh.png Somehow I made this happen and I don't know how to undo it. The image linked above shows my Flex Builder session. The largest section of the window is the editor. Initially, there was a blank window on the screen so I tried closing it, but I couldn't. Then I tried dragging it and realized I could drag it into a corner of itself, hence all the nested windows. I have no idea how to close these windows or simply reset the view. I went to the preferences under General Perspectives, but the "reset" button was disabled for every available perspective. Help?

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  • Is there a way to change the color of plots in jQuery flot without redrawing the whole chart?

    - by Sam Lee
    I have a chart that I'm drawing using flot. I want to change the colors of the data plots when someone hovers over text. Currently, I am doing this by redrawing the entire chart each time I need to highlight something. This is pretty slow (about 30 milliseconds for a simple chart, as much as 100 for a more complicated chart). Since all I want to do is change the color, is there a faster solution?

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  • How to override environment variables when running configure?

    - by Sam
    In any major package for Linux, running ./configure --help will output at the end: Some influential environment variables: CC C compiler command CFLAGS C compiler flags LDFLAGS linker flags, e.g. -L<lib dir> if you have libraries in a nonstandard directory <lib dir> CPPFLAGS C/C++ preprocessor flags, e.g. -I<include dir> if you have headers in a nonstandard directory <include dir> CPP C preprocessor Use these variables to override the choices made by `configure' or to help it to find libraries and programs with nonstandard names/locations. How do I use these variables to include a directory? I tried running ./configure --CFLAGS="-I/home/package/custom/" and ./configure CFLAGS="-I/home/package/custom/" however these do not work. Any suggestions?

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  • I am trying to have a wall follow robot but there are errors on the names not being declared in my s

    - by Sam
    #include <iostream> #include <libplayerc++/playerc++.h> using namespace std; int main(int argc, char *argv[]) { using namespace PlayerCc; PlayerClient robot("localhost"); BumperProxy bp(&robot,0); Position2dProxy pp(&robot,0); pp.SetMotorEnable(true); for(;;) double turnrate, speed; double error; bool wall; motor_a_speed(0); motor_c_speed(0); while(1) { front_bumper = SENSOR_2; left_bumper = SENSOR_3; if (front_bumper > 2) { if (left_bumper < 3) { motor_a_speed(5); motor_c_speed(drive_speed); motor_a_dir(fwd); motor_c_dir(fwd); } else { motor_a_speed(drive_speed); motor_c_speed(5); motor_a_dir(rev); motor_c_dir(rev); } } else { motor_a_speed(drive_speed); motor_c_speed(drive_speed); motor_a_dir(brake); motor_c_dir(brake); mrest(100); cputs("bump"); motor_a_dir(fwd); motor_c_dir(rev); msleep(450); cputs("right"); motor_a_speed(10); motor_a_dir(fwd); motor_c_dir(fwd); mrest(1300); } pp.SetSpeed(speed, turnrate); } }

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  • ASP.NET retrieve Average CPU Usage

    - by Sam
    Last night I did a load test on a site. I found that one of my shared caches is a bottleneck. I'm using a ReaderWriterLockSlim to control the updates of the data. Unfortunately at one point there are ~200 requests trying to update the data at approximately the same time. This also coincided with CPU usage spikes. The data being updated is in the ASP.NET Cache. What I'd like to do is if the CPU usage is around 75%, I'd like to just skip the cache and hit the database on another machine. My problem is that I don't know how expensive it is to create a new performance counter to check the cpu usage. Also, if I would probably like the average cpu usage over the last 2 or 3 seconds. However, I can't sit there and calculate the cpu time as that would take longer than it's taking to update the cache currently. Is there an easy way to get the average CPU usage? Are there any drawbacks to this? I'm also considering totaling the wait count for the lock and then at a certain threshold switch over to the database. The concern I had with this approach would be that changing hardware might allow more locks with less of a strain on the system. And also finding the right balance for the threshold would be cumbersome and it doesn't take into account any other load on the machine. But it's a simple approach, and simple is 99% of the time better.

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  • netbeans custom jax-ws stubs..

    - by Sam
    Hi, I am using netbeans 6.9. I have made a JAX-WS service that returns a complex type, I have also made a JAX-WS client to consume it. The JAX-WS system automaticly creates a class for the client, inferred from the WSDl spec. I want to make my own class for this using JAXB annotations, so that I can add some extra functions to it. How do I go about replacing the autogenerated file with my own one? Could I also use the same class in the service to control how it is transmitted? Thanks!

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  • Strange Behaviour in Swift: constant defined with LET but behaving like a variable defined with VAR

    - by Sam
    Stuck on the below for a day! Any insight would be greatly appreciated. The constant in the first block match0 behaves as expected. The constant defined in the second block does not behave as nicely in the face of a change to its "source": var str = "+y+z*1.0*sum(A1:A3)" if let range0 = str.rangeOfString("^\\+|^\\-|^\\*|^\\/", options: NSStringCompareOptions.RegularExpressionSearch){ let match0 = str[range0] println(match0) //yields "+" - as expexted str.removeRange(range0) println(match0) //yields "+" - as expected str.removeRange(range0) println(match0) //yields "+" - as expected } if let range1 = str.rangeOfString("^\\+|^\\-|^\\*|^\\/", options: NSStringCompareOptions.RegularExpressionSearch){ let match1 = str[range1] println(match1) //yields "+" as expected str.removeRange(range1) println(match1) //!@#$ OMG!!!!!!!!!!! a constant variable has changed! This prints "z" } The following are the options I can see: match1 has somehow obtained a reference to its source instead of being copied by value [Problem: Strings are value types in Swift] match1 has somehow obtained a closure to its source instead of just being a normal constant/variable? [Problem: sounds like science fiction & then why does match0 behave so well?] Could there be a bug in the Swift compiler? [Problem: Experience has taught me that this is very very very rarely the solution to your problem...but it is still in beta]

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  • modify this code .. please help me?

    - by Sam
    i wana modify this code from static choices to dynamic this for 3 choices var PollhttpObject=null; function DoVote() {if(document.getElementById('PollRadio1').checke d)DoVote_Submit(1);else if(document.getElementById('PollRadio2').checked)DoVote_Submit(2);else if(document.getElementById('PollRadio3').checked)DoVote_Submit(3);else alert('?????: ?????? ?????? ??? ?????????? ??????? ?? ????? ??? ?? ???????');return false;} function DisbalePoll(TheCase) {document.getElementById('VoteBttn').onclick=function(){alert('!?????? ??? ?? ??????? ??????');} document.getElementById('PollRadio1').disabled='true';document.getElementById('PollRadio2').disabled='true';document.getElementById('PollRadio3').disabled='true';if(TheCase=='EXPIRED') {document.getElementById('VoteBttn').src='images/design/VoteBttn_OFF.jpg';document.getElementById('ResultBttn').src='images/design/ResultsBttn_OFF.jpg';document.getElementById('VoteBttn').onclick='';document.getElementById('ResultBttn').onclick='';document.getElementById('ResultBttn').style.cursor='';document.getElementById('VoteBttn').style.cursor='';}} function DoVote_Submit(VoteID) {if(VoteID!=0)DisbalePoll();try{PollhttpObject=getHTTPObject();if(PollhttpObject!=null) {PollhttpObject.onreadystatechange=PollOutput;PollhttpObject.open("GET","Ajax.aspx?ACTION=POLL&VOTEID="+ VoteID+"&RND="+ Math.floor(Math.random()*10001),true);PollhttpObject.send(null);}} catch(e){} return false;} function PollOutput(){if(PollhttpObject.readyState==4) {var SearchResult=PollhttpObject.responseText;document.getElementById('PollProgress').style.display='none';document.getElementById('PollFormDiv').style.display='block';if(SearchResult.length=2&&SearchResult.substr(0,2)=='OK') {var ReturnedValue=SearchResult.split("#");document.getElementById('PollBar1').style.width=0+'px';document.getElementById('PollBar2').style.width=0+'px';document.getElementById('PollBar3').style.width=0+'px';document.getElementById('PollRate1').innerHTML="0 (0%)";document.getElementById('PollRate2').innerHTML="0 (0%)";document.getElementById('PollRate3').innerHTML="0 (0%)";window.setTimeout('DrawPollBars(0, '+ ReturnedValue[1]+', 0, '+ ReturnedValue[2]+', 0, '+ ReturnedValue[3]+')',150);} else if(SearchResult.length=2&&SearchResult.substr(0,2)=='NO') {alert("?????: ??? ??? ???????? ?????");}} else {document.getElementById('PollProgress').style.display='block';document.getElementById('PollFormDiv').style.display='none';}} function DrawPollBars(Bar1Var,Bar1Width,Bar2Var,Bar2Width,Bar3Var,Bar3Width) {var TotalVotes=parseInt(Bar1Width)+parseInt(Bar2Width)+parseInt(Bar3Width);var IncVal=parseFloat(TotalVotes/10);var NewBar1Width=0;var NewBar2Width=0;var NewBar3Width=0;var Bar1NextVar;var Bar2NextVar;var Bar3NextVar;if(parseInt(parseInt(Bar1Var)*200/TotalVotes)0)NewBar1Width=parseInt(Bar1Var)*200/TotalVotes;else if(Bar1Var0)NewBar1Width=1;else NewBar1Width=0;if(parseInt(parseInt(Bar2Var)*200/TotalVotes)0)NewBar2Width=parseInt(Bar2Var)*200/TotalVotes;else if(Bar2Var0)NewBar2Width=1;else NewBar2Width=0;if(parseInt(parseInt(Bar3Var)*200/TotalVotes)0)NewBar3Width=parseInt(Bar3Var)*200/TotalVotes;else if(Bar3Var0)NewBar3Width=1;else NewBar3Width=0;document.getElementById('PollBar1').style.width=NewBar1Width+'px';document.getElementById('PollBar2').style.width=NewBar2Width+'px';document.getElementById('PollBar3').style.width=NewBar3Width+'px';document.getElementById('PollRate1').innerHTML=parseFloat(Bar1Var).toFixed(0)+" ("+ parseFloat(parseFloat(Bar1Var)/TotalVotes*100).toFixed(1)+"%)";document.getElementById('PollRate2').innerHTML=parseFloat(Bar2Var).toFixed(0)+" ("+ parseFloat(parseFloat(Bar2Var)/TotalVotes*100).toFixed(1)+"%)";document.getElementById('PollRate3').innerHTML=parseFloat(Bar3Var).toFixed(0)+" ("+ parseFloat(parseFloat(Bar3Var)/TotalVotes*100).toFixed(1)+"%)";if(Bar1Var!=Bar1Width||Bar2Var!=Bar2Width||Bar3Var!=Bar3Width) {if(parseFloat(Bar1Var)+IncVal<=parseInt(Bar1Width))Bar1NextVar=parseFloat(Bar1Var)+IncVal;else Bar1NextVar=Bar1Width;if(parseFloat(Bar2Var)+IncVal<=parseInt(Bar2Width))Bar2NextVar=parseFloat(Bar2Var)+IncVal;else Bar2NextVar=Bar2Width;if(parseFloat(Bar3Var)+IncVal<=parseInt(Bar3Width))Bar3NextVar=parseFloat(Bar3Var)+IncVal;else Bar3NextVar=Bar3Width;window.setTimeout('DrawPollBars('+ Bar1NextVar+', '+ Bar1Width+', '+ Bar2NextVar+', '+ Bar2Width+', '+ Bar3NextVar+', '+ Bar3Width+')',80); }}

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  • Windows service threading call to WCF service

    - by Sam Brinsted
    Hi, I have a windows service that is reading data from a database and then submitting it to a WCF serivce. Once that has finished it is stamping a processed date on the original record. Trouble I am currently having is to do with threading. The call to the WCF serivce is relatively long and I want to have a number of concurrent calls to the service to help improve the throughput of the windows service. Currently I have a submitToService method on a new worker class. Upon reading a new row from the database I am creating a new thread which is calling this method. This obviously isn't too good as the number of threads quickly shoots up and overburdens the WCF service. I have put a thread.sleep in the submit method and am sure to call System.Threading.Thread.CurrentThread.Abort(); after the submission has finished. However, I don't seem to see the number of threads go down. How can I just have a fixed number of threads that can be used in the windows service? I did think about using a thread pool but read somewhere that wasn't a good choice for a windows service. Thanks very much.

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  • Sign in as different user when using Integrated Windows Authentication

    - by Sam
    I have restricted access to a site by using Integrated Windows Authentication and turning off anonymous access. This way I can then show them their real name (from looking up on Active Directory and using the server variable LOGON_USER) and do other related Active Directory tasks. How can I then prompt again for their user credentials, through a 'sign in as other user' link , showing the browser prompt (like you would get on a browser like Chrome or Firefox, or if the site was not in the 'Intranet' zone in IE) rather than a Web Form? Since SharePoint offers this functionality, I assume there is a way to do this through code, but I don't know what code can do this (using C#). I can send a 401 header which makes the prompt appear, but how do you then confirm if they are logged in?

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  • Synchronizing Access to a member of the ASP.NET session

    - by Sam
    I'm building a Javascript application and eash user has an individual UserSession. The application makes a bunch of Ajax calls. Each Ajax call needs access to a single UserSession object for the user. Each Ajax call needs a UserSession object. Data in the UserSession object is unique to each user. Originally, during each Ajax call I would create a new UserSession object and it's data members were stored in the ASP.NET Session. However, I found that the UserSession object was being instantiated a lot. To minimize the construction of the UserSession object, I wrapped it in a Singleton pattern and sychronized access to it. I believe that the synchronization is happening application wide, however I only need it to happen per user. I saw a post here that says the ASP.NET cache is synchronized, however the time between creating the object and inserting it into the cache another Thread could start construction it's another object and insert it into the cache. Here is the way I'm currently synchronizing access to the object. Is there a better way than using "lock"... should be be locking on the HttpContext.Session object? private static object SessionLock = new object(); public static WebSession GetSession { get { lock (SessionLock) { try { var context = HttpContext.Current; WebSession result = null; if (context.Session["MySession"] == null) { result = new WebSession(context); context.Session["MySession"] = result; } else { result = (WebSession)context.Session["MySession"]; } return result; } catch (Exception ex) { ex.Handle(); return null; } } } }

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  • Webwork actions, the lifecycle of variables declared in the action class.

    - by Sam
    Hi all, I'm using the webwork framework (JIRA plugin development) and was wondering about the lifecycle of the variables in the action class. I have a few private variables in the action class that are set when during the doDefault() method. These are used in the input view to set up jqGrid columns and then when the user has entered some data they click submit which puts the grid data into a hidden input. The next thing that happens is the doValidation() method is called before the doExecute(), which displays the input view if there are any errors. The problem is that the variables set up in the doDefault() method are now null. Can anyone explain to me how the lifecycle of variables works in the webwork actions? Cheers

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  • problem storing a hash in DB using Storage::nfreeze Perl

    - by Sam
    Hello, I want to insert a hash in the db using Storage::nfreeze but the data is not inserted properly. the code is as follow: %rec=(); $rec{'name'} = 'my name'; $rec{'address'} = 'my address'; my $order1 = new Order(); $order1->set_session(\%rec); $self->createOrder($order1); sub createOrder { my $self = $_[0]; my $order = $_[1]; # Retrieve the fields to insert into the database. my $st = $dbh->prepare("insert into order (session,.......) values(?,........)"); my $session = %{$order->get_session()}; $st->execute(&Storable::nfreeze(\%session),.....); $st->finish(); } sub getOrder { ... my $session = &Storable::thaw( $ref->{'session'} ); ..... } the thaw is working fine because I tested it withe some rows that have been inserted correctly. but when I try to get a row that was inserted using the createOrder subroutine, I get an error saying" Storable binary image v36.65 more recent than I am (v2.7) at blib/lib/Storable.pm (autosplit into blib/lib/auto/Storable/thaw.al) line 415 the error comes from the line that have thaw. the nfreeze did not store the hash properly. Can someone point me to what i m doing wrong in the createOrder subroutine? Thanks in advance. I know the module version have nothing to do with the problem.

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  • how to save sitecore webpage in html file on local disk or server

    - by Sam
    WebRequest mywebReq ; WebResponse mywebResp ; StreamReader sr ; string strHTML ; StreamWriter sw; mywebReq = WebRequest.Create("http://domain/sitecore/content/test/page10.aspx"); mywebResp = mywebReq.GetResponse(); sr = new StreamReader(mywebResp.GetResponseStream()); strHTML = sr.ReadToEnd(); sw = File.CreateText(Server.MapPath("hello.html")); sw.WriteLine(strHTML); sw.Close(); Hi , I want to save sitecore .aspx page into html file on local disk , but i am getting exception. But if i use any other webpage example(google.com) it works fine. The exception : System.Net.WebException was caught HResult=-2146233079 Message=The remote server returned an error: (404) Not Found. Source=System StackTrace: at System.Net.WebClient.DownloadFile(Uri address, String fileName) at System.Net.WebClient.DownloadFile(String address, String fileName) at BlueDiamond.addmodule.btnSubmit(Object sender, EventArgs e) in c:\inetpub\wwwroot\STGLocal\Website\addmodule.aspx.cs:line 97 InnerException: Any help. Thanks in advance

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  • PHP Thumbnail Image Resizing with proportions

    - by Sam
    Hi all. As a brief run down, I am currently making a dating type site. Users can create accounts and upload profile pictures (up to 8). In order to display these in the browse area of the website, I am looking for a way in PHP (with third party processor/scripts) to resize all images uploaded to have thumbnails that adhere to certain dimensions. As an example, I will want "profile" images (thumbnails) to be NO larger than 120*150px. The scripting needs to resize uploaded images (regardless of whether they are portrait or landscape, and regardless of proportions) to adhere to these dimensions without getting stretched. The width (eg. 120pixels) should always remain the same, but the height (eg. 150px) can vary in order to keep the image in proportion. If it's a landscape photo, I'm assuming the script would need to take a chunk out of the middle of the image? The reason that all images to be resized is so that when profiles are display in a grid that all thumbnails are roughly the same size. Any input would be greatly appreciated.

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