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  • Confused about adding multiple td's to tr using jQuery

    - by Jason
    So I have the following code: <script type="text/javascript"> $(document).ready( function () { $("#txt").click(function () { var $TableRow = $('<tr></tr>'); var $TableData = $('<td></td>'); var $TableData2 = $('<td></td>'); // Works $("#tblControls").append( $TableRow.html( $TableData.text("Test, Hello World3") ) ); </script> <div style="display: inline"> <input type="button" id="txt" value="Add TextBox" style="" /> </div> <br/> <table id="tblControls" width="100%"> </table> But why does this not add two td's to the tr? $("#tblControls").append( $TableRow.html( $TableData.text("Test, Hello World3") + $TableData2.text("Test, Hello World4") ) ); What I get is this: [object Object][object Object]

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  • How to order results based on number of search term matches?

    - by Travis
    I am using the following tables in mysql to describe records that can have multiple searchtags associated with them: TABLE records ID title desc TABLE searchTags ID name TABLE recordSearchTags recordID searchTagID To SELECT records based on arbitrary search input, I have a statement that looks sort of like this: SELECT recordID FROM recordSearchTags LEFT JOIN searchTags ON recordSearchTags.searchTagID = searchTags.ID WHERE searchTags.name LIKE CONCAT('%','$search1','%') OR searchTags.name LIKE CONCAT('%','$search2','%') OR searchTags.name LIKE CONCAT('%','$search3','%') OR searchTags.name LIKE CONCAT('%','$search4','%'); I'd like to ORDER this resultset, so that rows that match with more search terms are displayed in front of rows that match with fewer search terms. For example, if a row matches all 4 search terms, it will be top of the list. A row that matches only 2 search terms will be somewhere in the middle. And a row that matches just one search term will be at the end. Any suggestions on what is the best way to do this? Thanks!

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  • How to print an isosceles triangle

    - by Steve
    Hello, I'm trying to learn programming by myself, I'm working from a book that has the following problem which I can't solve: Allow the user to input two values: a character to be used for printing an isosceles triangle and the size of the peak for the triangle. For example, if the user inputs # for the character and 6 for the peak, you should produce the following display: # ## ### #### ##### ###### ##### #### ### ## # This is the code I've got so far: char character; int peak; InputValues(out character, out peak); for (int row = 1; row < peak * 2; row++) { for (int col = 1; col <= row; col++) { Console.Write(character); } Console.WriteLine(); } Console.Read() // hold console open Thanks in advance.

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  • Adobe Acrobat API - How to skip opening password protected PDFs?

    - by Ryan
    Hi all, I've been using Delphi and the Adobe Acrobat 9 API. I'm simply opening a PDF and printing it, followed by closing it without saving anything. I'm having an issue while opening some PDFs though. If the PDF is password protected the Open method displays Adobe's "Input password" prompt. My application is running in an automated fashion, and therefor cannot proceed beyond this password prompt until somebody clicks cancel. I've been looking for something that will either notify me that the file is password protected prior to opening it, or a parameter or something that will skip password protected files. I need my program to assume it cannot open any passworded PDF. Does anyone know enough about the Acrobat API to provide any assistance here? Thank you, Ryan

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  • Idioms for a three-state toggle?

    - by Alex Mcp
    I have a table column where each row has one of three states, and the purpose of the row is to offer manipulation AND display of this property with three states. My current development view is to have three tightly packed radio buttons with labels at the head of the columns (and every 50 rows or so) and onClick they send an AJAX request and thar she blows. This is fugly. Is there a standard idiom for a control like this? I'm currently mocking up something similar to the iPhone on/off toggle, but with a "middle" state. Any input would be welcome.

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  • Using switch and enumerations as substitute for named methods

    - by MatthewMartin
    This pattern pops up a lot. It looks like a very verbose way to move what would otherwise be separate named methods into a single method and then distinguished by a parameter. Is there any good reason to have this pattern over just having two methods Method1() and Method2() ? The real kicker is that this pattern tends to be invoked only with constants at runtime-- i.e. the arguments are all known before compiling is done. public enum Commands { Method1, Method2 } public void ClientCode() { //Always invoked with constants! Never user input. RunCommands(Commands.Method1); RunCommands(Commands.Method2); } public void RunCommands(Commands currentCommand) { switch (currentCommand) { case Commands.Method1: // Stuff happens break; case Commands.Method2: // Other stuff happens break; default: throw new ArgumentOutOfRangeException("currentCommand"); } }

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  • Writing shorter code/algorithms, is more efficient (performance)?

    - by Carlos
    After coming across the code golf trivia around the site it is obvious people try to find ways to write code and algorithms as short as the possibly can in terms of characters, lines and total size, even if that means writing something like: n=input() while n>1:n=(n/2,n*3+1)[n%2];print n So as a beginner I start to wonder whether size actually matters :D. It is obviously a very subjective question highly dependent on the actual code being used, but what is the rule of thumb in the real world. In the case that size wont matter, how come then we don't focus more on performance rather than size?

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  • C++ boost or STL `y += f(x)` type algorithm

    - by aaa
    hello. I know I can do this y[i] += f(x[i]) using transform with two input iterators. however it seems somewhat counterintuitive and more complicated than for loop. Is there a more natural way to do so using existing algorithm in boost or Stl. I could not find clean equivalent. here is transform (y = y + a*x): using boost::lambda; transform(y.begin(), y.end(), x.begin(), y.begin(), (_1 + scale*_2); // I thought something may exist: transform2(x.begin(), x.end(), y.begin(), (_2 + scale*_1); // it does not, so no biggie. I will write wrapper Thanks

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  • how do i round/trucate a number without using methods like math.round or %3f?

    - by user2923875
    So far I need to round a number that I inputted and get it to 3 decimal places without those methods. if(number !=(int)number){ number*=1000; number=(int)number; number=(double)number; number/=1000; System.out.println("-"+ number); } if(number ==(int)number){ System.out.println("-"+ number + "00"); } With that above, it will work for any input except the ones with 2 decimal places, like 12.34 . How do I make it work if i type 12.34 and displays 12.340?

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  • I need to do a BASICE For Loop algorithm for a java Pyramid

    - by user1665119
    Question 2. USE THE FOR LOOP. Design and write an algorithm that will read a single positive number from the keyboard and will then print a pyramid out on the screen. The pyramid will need to be of a height equal in lines to the number inputted by the operator. Your program is not to test for negative numbers, nor is it to cater for them. For your test, use the number 7. If you would like to take the problem further, try 18 and watch what happens. Example input: 4 Example output: 1 121 12321 1234321

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  • How do I convert from a possibly Windows 1252 'ANSI' encoded uploaded file to UTF8 in .NET?

    - by qqq123
    I've got a FileUpload control in an ASP.NET web page which is used to upload a file, the contents of which (in a stream) are processed in the C# code behind and output on the page later, using HtmlEncode. But, some of this output is becoming mangled, specifically the symbol '£' is output as the Unicode FFFD REPLACEMENT CHARACTER. I've tracked this down to the input file, which is Windows 1252 ('ANSI') encoded. The question is, How do I determine whether the file is encoded as 1252 or UTF8? It could be either, and How do I convert it to UTF8 if it is in Windows 1252, preserving the symbol £ etc? I've looked online but cannot find a satisfactory answer.

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  • The shortest way to convert infix expressions to postfix (RPN) in C

    - by kuszi
    Original formulation is given here (you can try also your program for correctness) . Additional rules: 1. The program should read from standard input and write do standard output. 2. The program should return zero to the calling system/program. 3. The program should compile and run with gcc -O2 -lm -s -fomit-frame-pointer. The challenge has some history: the call for short implementations has been announced at the Polish programming contest blog in September 2009. After the contest, the shortest code was 81 chars long. Later on the second call has been made for even shorter code and after the year matix2267 published his solution in 78 bytes: main(c){read(0,&c,1)?c-41&&main(c-40&&(c%96<27||main(c),putchar(c))):exit(0);} Anyone to make it even shorter or prove this is impossible?

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  • problem with multiple ajax HTTP get requests with different imput variables using jQuery

    - by Thanasis
    I want to make asychronous get requests and to take different results based on the input that I provide to each one. Here is my code: param=1; $.get('http://localhost/my_page_1.php', param, function(data) { alert("id = "+param); $('.resul 5.t').html(data); }); param=2; $.get('http://localhost/my_page_2.php', param, function(data) { alert("id = "+param); $('.result').html(data); }); The result for both requests is: "id = 2" I want the results to be: "id = 1" for the 1st request, and "id = 2" for the second one.. I want to do this for many requests in one HTML file and integrate the results into the HTML as soon as they are ready. Can anyone help me to solve this problem? thank you in advance, Thanasis

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  • I want to keep the values on textbox after onchange function

    - by user1908045
    hello i have problem with this code..I want to keep the values of the textboxes when the pageload and didnt write again the values. I have two drop down list. the First one is the country when the country selected then the page load and appear the city to select but afte the pageload the values on textbox is empty. I want to keep the values of textbox when the page load. This is the code <head> <script type="text/javascript"> function Load_id() { var Count = document.getElementById("Count").value; var Count_txt = "?Count=" location = Count_txt + Count } </script> <meta charset="UTF-8"> </head> <body> <div class="main"> <div class="headers"> <table> <tr><td rowspan="2"><img alt="unipi" src="/Images/logo.jpeg" height="75" width="52"></td> <td>University</td></tr> <tr><td>Data</td></tr> </table> </div> <div class="form"> <h3>Personal</h3><br/><br/><br/> <form id="Page1" name="Page1" action="Form1Sub.php" method="Post"> <table style="width:520px;text-align:left;"> <tr><td><label>Number:</label></td> <td><input type="text" required="required" id="AM" name="AM" value=""/></td> </tr> <tr><td><label>Name:</label></td> <td><input type="text" required="required" name="Name"/></td> </tr> <?php $host="localhost"; $username=""; $password=""; $dbName="Database"; $connection = mysql_connect($host, $username, $password) or die("Couldn't Connect to the Server"); $db = mysql_select_db($dbName, $connection) or die("cannot select DataBase"); $Count = $_GET['Count']; echo "<tr><td><label>Country</label></td>\n"; $country = mysql_query("select DISTINCT Country FROM lut_country_city "); echo " <td><select id=\"Count\" name=\"cat\" onChange=\"Load_id(this)\">\n"; echo " `<option>Select Country</option>\n"; while($nt=mysql_fetch_array($country)){ $selected = ($nt["Country"] == $Count)? "SELECTED":""; echo"<option value=\"".$nt['Country']."\"". $selected." >".$nt['Country']."</option>"; } echo " </select></td></tr>\n"; echo"<tr><td><label>City:</label></td>\n"; $q2 = mysql_query("Select id,City,Country FROM lut_country_city WHERE Country = '$Count'"); echo"<td><select name=\"SelectCity\">\n"; while($row = mysql_fetch_array($q2)) { echo"<option value=\"".$row['id']."\">".$row['City']."</option>"; } echo " </select></td></tr>\n"; ?> </table> <p> <button type="submit" id="Next">Next</button> </form> <form id="form1" action="index.php"> <button id="Back" type="submit">Back</button> </form> </p> </div> </div> </body> </html>

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  • session timeout urgent help needed

    - by nandu
    hi! in my website when session gets timed out nd after that we click on any button or perform action it gives random error as input string not in correct format.. how do i resolve problem?? i've 500 pages in whole website...and 20 master pages...so can't check for session on each page... i wrote code in global.asax application_error method...tht if error occur and session is null than redirect to default page..it worked....but when page is in frame..it does not refresh the whole pahe..only frame redirects the page...so the panel of master page remains same..

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  • how to show the right word in my code, my code is : os.urandom(64)

    - by zjm1126
    My code is: print os.urandom(64) which outputs: > "D:\Python25\pythonw.exe" "D:\zjm_code\a.py" \xd0\xc8=<\xdbD' \xdf\xf0\xb3>\xfc\xf2\x99\x93 =S\xb2\xcd'\xdbD\x8d\xd0\\xbc{&YkD[\xdd\x8b\xbd\x82\x9e\xad\xd5\x90\x90\xdcD9\xbf9.\xeb\x9b>\xef#n\x84 which isn't readable, so I tried this: print os.urandom(64).decode("utf-8") but then I get: > "D:\Python25\pythonw.exe" "D:\zjm_code\a.py" Traceback (most recent call last): File "D:\zjm_code\a.py", line 17, in <module> print os.urandom(64).decode("utf-8") File "D:\Python25\lib\encodings\utf_8.py", line 16, in decode return codecs.utf_8_decode(input, errors, True) UnicodeDecodeError: 'utf8' codec can't decode bytes in position 0-3: invalid data What should I do to get human-readable output?

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  • More elegant way to parse inline variables in strings

    - by Tom
    Currently I have this: function parse_string($string, $variables){ extract($variables); return eval('return "'. addcslashes($string, '"') .'";'); } So I can input this string: 'Hi {$name}, my name is {$own_name}' Together with this array: array('name' => 'John', 'own_name' => 'Tom') And get this back: 'Hi John, my name is Tom'   I've never liked this eval() approach but it works and it's fast (faster than regex at least). Question: Is there a more elegant way to do this (faster than using regex) in PHP5?

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  • XML DOM Manipuation

    - by kunalsawlani
    Hi, I am new to XML and have been trying some simple examples and they work fine. I want to do something like the following, but I am not able to figure out how to go about doing this. I have a HTML web page, where the user types in some data in an input field. I want to take that data, parse it to create an XML string, and the apply XSLT transformation to it, and display the result back on the page. All this needs to be done on the client browser, with JavaScript. If some one could point out the steps or the general procedure to go about doing this, it would be great. I have been looking over the net, but the information is so vast, that I have not been able to locate exactly what I need. Thanks

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  • jquery / javascript for a user to select 1 of n images

    - by TesterTurnedDeveloper
    I want to display a few images (probably 5 max) and have a user click to select one. First thing I tried was radio buttons and putting the images inside labels. <input type="radio" name="BackgroundId" id="BackgroundId" value="1" /> <label for="BackgroundId"><img src="../../Content/images/thumb_1.jpg" /></label> Firefox will select the radio button when the user clicks the image, but IE doesn't. Is there a jquery plugin that will make the images clickable? Fancy-form looks like something I could use, but it isn't jquery and I've already got jquery in my project. Or can someone point me to a better way of selecting a single image?

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  • Where would async calls make sense in an ASP.net (MVC) Web Application?

    - by Michael Stum
    I'm just wondering, if I have an ASP.net Web Application, either WebForms or MVC, is there any situation where doing stuff asynchronously would make sense? The Web Server already handles threading for me in that it spins up multiple threads to handle requests, and most request processing is rather simple and straight forward. I see some use for when stuff truly is a) expensive and b) can be parallelized. but these are the minority cases (at least from what I've encountered). Is there any gain from async in the simple "Read some input, do some CRUD, display some output" scenario?

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  • Resetting a partial using RJS, and passing an instance variable?

    - by Elliot
    Hey guys here is my code (roughly): books.html.erb <% @books.each do |book| %> <% @bookid = book.id %> <div id="enter_stuff"> <%= render "input", :bookid => @bookid %> </div> <%end%> _input.html.erb <% @book = Book.find_by_id(@bookid) %> <strong>your book is: <%=h @book.name %></strong> create.rjs page.replace_html :enter_stuff, :partial => 'input2', :object => @bookid Only create.js doesn't seem to work though, if instead of passing the partial I passed "..." it does work, so I know its that there are instance variables in the partial that aren't being reset. Any ideas?

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  • How do you make Python wait so that you can read the output?

    - by anonnoir
    I've always been a heavy user of Notepad2, as it is fast, feature-rich, and supports syntax highlighting. Recently I've been using it for Python. My problem: when I finish editing a certain Python source code, and try to launch it, the screen disappears before I can see the output pop up. Is there any way for me to make the results wait so that I can read it, short of using an input() or time-delay function? Otherwise I'd have to use IDLE, because of the output that stops for you to read. (My apologies if this question is a silly one, but I'm very new at Python and programming in general.)

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  • How to replace a multipart message schema in a map without replacing the map

    - by BizTalkMama
    I have an orchestration map that maps two source messages into one destination message. When the schema for one of the source messages changes, I was hoping to be able to click on the input message part and select "Replace Schema" to refresh the schema for just the message part affected. Instead I can only replace the entire multipart message schema with the single message part schema. My only other option seems to be to generate a new map from the orchestration transform shape, but this means I have to recreate all the links in my map... Does anyone know of a more efficient way to update this type of schema?

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  • dynamically added radio buttons onclick event not working ?

    - by Anil Namde
    I am trying following, 1. Get response using Ajax from the users selection which returns me the list of the radio buttons attributes as 2. Once i get the attribute list i am creating the radio buttons using createElement() 3. Then i am attaching the event to the radio button for onclick buttons. 4. Then i add element to the DOM using appedChild The below is code for adding radio button (for IE) var radio = '<input '; radio += 'type ="radio" '; radio += 'id="' + id + '" '; radio += 'value="" '; radio += '/>'; radioButton = document.createElement(radio); radioButton.onClick = function(){alert('this is test')} ele.appendChild(radioButton); ele.innerHTML += 'none' + '<br/>'; Now in all this when i am adding the radio button to the DOM onclick is not working and i don't understand why ? Thanks all

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  • Approximate photo of a simple drawing using lines

    - by user3704596
    As an input I have a photo of a simple symbol, e.g.: https://www.dropbox.com/s/nrmsvfd0le0bkke/symbol.jpg I would like to detect the straight lines in it, like points of start and ends of the lines. In this case, assuming the top left of the symbol is (0,0), the lines would be defined like this: start end (coordinates of beginning and end of a line) 1. (0,0); (0,10) (vertical line) 2. (0,10); (15, 15) 3. (15,15); (0, 20) 4. (0,20); (0,30) How can I do it (pereferably using OpenCV)? I though about Hough lines, but they seem to be good for perfect thin straight lines, which is not the case in a drawing. I'll probably work on binarized image, too.

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