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  • how to get a particular day of week in objective c??

    - by hemant
    using gregorian calender i am able to get the number of day of the week i.e 1 for sunday and 2 for monday etc but i am not able to find a function that displays the name of week then the number?? can anyone help?? here is my code to get the number of day NSDate *dates = [gregorian dateFromComponents:component]; NSDateComponents *weekdayComponents =[gregorian components:(NSDayCalendarUnit | NSWeekdayCalendarUnit) fromDate:dates]; NSUInteger *weekdays = [weekdayComponents weekday]; NSString *dayw=[NSString stringWithFormat:@"%1i",weekdays]; NSLog(@"%@",dayw);

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  • array, I/O file and standard deviation (c++)

    - by JohnWong
    double s_deviation(double data[],int cnt, double mean) { int i; double sum= 0; double sdeviation; double x; //x = mean(billy,a_size); for(i=0; i<cnt; i++) { sum += ((data[i]) - (mean)); } sdeviation = sqrt(sum/((double)cnt)); return sdeviation; } When I cout the result from this function, it gave me NaN. I tested the value of (mean) and data[i] using return data[i] and return mean they are valid. when i replaced mean with an actual number, the operation returned a finite number. but with mean as a variable, it produced NaH. I can't see anything wrong with my code at the moment. Again, I am sure mean, data are getting the right number based on those tests. Thank you

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  • Need help with shell script

    - by via-point
    I am a total newbie to Shell Scripting so please bear with me. I need to create a shell script called script1 that will calculate and then display letter grade of ABC2345. Read in the following grades from keyboard: Assignments 40% Test1 15% Test2 15% Final exam 30% Calculate and display the number grade using the weight of each factor above Convert the number grade to letter grade using the table below: Number Grade Letter Grade 90 - 100 A+ 85 - 89 A 80 - 84 77 - 79 B+ 73 - 76 B 70 - 72 B- 67 - 69 C+ 63 - 66 C 60 - 62 C- 57 - 59 D+ 53 - 56 D 50 - 52 D- 0 - 49 F Any help would be appreciated :) Thank you!

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  • Caveats to be aware of when using threading in Python?

    - by knorv
    I'm quite new to threading in Python and have a couple of beginner questions. When starting more than say fifty threads using the Python threading module I start getting MemoryError. The threads themselves are very slim and not very memory hungry, so it seems like it is the overhead of the threading that causes the memory issues. Is there something I can do to increase the memory capacity or otherwise make Python allow for a larger number of threads? What is the maximum number of threads you've been able to run in your Python code using the threading module? Did you do any tricks to achieve that number? Are there any other caveats to be aware of when using the threading module?

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  • Is it possible to use jquery to add numbers taken from mysql?

    - by Scarface
    Hey guys quick question. I have a div that gets assigned a number to its id that is taken from the database on page load. I am trying to use jquery to add 1 to that number but for example if the number was 70 to begin with it just becomes 701. Anyone know what I am doing wrong? echo "<div class=\"total\" id=\"$total\">$total</div>"; var total=$(".total").attr("id"); var newtotal=total+1; $('.total').html(newtotal);

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  • Blackberry: RadioButtonFiled and EditFiled in the same line doesn't show EditField?

    - by user187532
    Hi All, I have a RadioGroup and two RadioButtonField added in a VerticalFieldManager. I want put an EditField for the first RadioButtonField horizontally. For ex: I have two RadioButtonField as "Enter number here:" otherwise user can choose "Number from existing Database:" in the second RadioButtonsField. In the first field "Enter number here:" i need provide an EditField horizontally next to first RadioButtonField, for him to type. I am trying to put an EditField horizoally but it doesn't show EditField horizonatally to the first RadioButtonField. May i know how to do that (or) any samples to do that? Thanks.

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  • Spaces around all hyphens in a string without double-up

    - by Dave
    I'm after a regex that puts spaces around each "-" in a string, eg. 02 jaguar-leopard, tiger-panther 08 would become 02 jaguar - leopard, tiger - panther 08 Note that if the "-" already has spaces around it, no changes are to be made, eg. 02 jaguar - leopard, tiger - panther 08 should not become 02 jaguar - leopard, tiger - panther 08 The number of hyphens are unknown in advance. Thanks for any ideas... Edit: I'm not actually using a language for this. I'm using Ant Renamer (a mass file renaming utility). There are two fields in the renamer GUI, "Expression" and "New name" to provide inputs. This is from the help file as an example: Swapping artist and title from mp3 file names: "Expression" = (.*) - (.*)\.mp3 "New name" = $2 - $1.mp3 Extract episode number and title from series video files with episode number as SnnEmm followed by title: "Expression" = Code\.Quantum\.S([0-9]{2})E([0-9]{2})\.(.*)\.FRENCH.XViD\.avi "New name" = Code Quantum - $1$2 - $3.avi

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  • Cannot access data in a xml string

    - by Jess McKenzie
    I am trying to create an array that I can include the perent category Name and the child category Name. I can so far access the below object fine using $xml->Subcategories; but if I try my code below I get an empty array why? PHP: foreach ($catDetailsXml->Category as $value) { $categoryDetails[] = array('CategoryNumber' => $value->Number); } Structure: object(SimpleXMLElement)#13 (1) { ["Category"]=> array(5) { [0]=> object(SimpleXMLElement)#14 (4) { ["Name"]=> string(19) "Commercial Property" ["Number"]=> string(10) "0350-0100-" ["Subcategories"]=> object(SimpleXMLElement)#35 (1) { ["Category"]=> array(3) { [0]=> object(SimpleXMLElement)#36 (4) { ["Name"]=> string(9) "Car parks" ["Number"]=> string(15) "0350-0100-8946-" ["Subcategories"]=> object(SimpleXMLElement)#39 (0) { } }

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  • need to find differences between 2 identically structured sql tables

    - by balalakshmi
    I need to find differences between 2 identically structured sql tables Each table is being uploaded from a 3rd paty tool into sqlserver database. The table structure is: Issue ID-status-Who Issue ID will not repeated within a table, though its not defined explicitly as primary Key There could be additions/deletions/Updations between any 2 tables. What I need Number of rows added & their details Number of rows deleted & their details Number of rows deleted & their details How do I do this 1) is it better to use sql 2) or use datatables

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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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  • Input string was not in correct format.

    - by jawahar-sync
    Hi Experts, I had a Ribbon like custom control. I created an application using this control. These applications work fine until I change the system number format. They crashes if I change the system number format like below: Current Format = English (United State) Decimal symbol = ',' Digit group symbol = '.' When I run applications, they throw an exception "Input string not in Correct format". . Some other applications specify the Exception's message = "Input string '0,2,0,2' was not a correct format", so I think in Wpf ES's xaml files, we may declare some properties i.e Padding, Margin like "0,2,0,2" = that will cause errors with the system number format above. I have note that this error only occurs in Windows Vista, it does not occurs on Windows XP. I do not know why? I have also look at this link, But it not helps for Vista. http://support.microsoft.com/kb/968227/en-us

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  • Explicitly typing variables causes compiler to think an instance of a builtin type doesn't have a pr

    - by wallacoloo
    I narrowed the causes of an AS3 compiler error 1119 down to code that looks similar to this: var test_inst:Number = 2.953; trace(test_inst); trace(test_inst.constructor); I get the error "1119: Access of possibly undefined property constructor through a reference with static type Number." Now if I omit the variable's type, I don't get that error: var test_inst = 2.953; trace(test_inst); trace(test_inst.constructor); it produces the expected output: 2.953 [class Number] So what's the deal? I like explicitly typing variables, so is there any way to solve this error other than not providing the variable's type?

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  • Is there any Python library that allows me to parse an HTML document similar to what jQuery does?

    - by Sachin Tendulkar
    Is there any Python library that allows me to parse an HTML document similar to what jQuery does? i.e. I'd like to be able to use CSS selector syntax to grab an arbitrary set of nodes from the document, read their content/attributes, etc. The only Python HTML parsing lib I've used before was BeautifulSoup, and even though it's fine I keep thinking it would be faster to do my parsing if I had jQuery syntax available. :D Write an iterative program that finds the largest number of McNuggets that cannot be bought in exact quantity. Your program should print the answer in the following format (where the correct number is provided in place of n): "Largest number of McNuggets that cannot be bought in exact quantity: n"

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  • Article about code density as a measure of programming language power

    - by prosseek
    I remember reading an article saying something like "The number of bugs introduced doesn't vary much with different programming languages, but it depends pretty much on SLOC (source lines of code). So, using the programming language that can implement the same functions with smaller SLOC is preferable in terms of stability." The author wanted to stress the advantages of using Functional Programming, as normally one can program with a smaller number of LOC. I remember the author cited a research paper about the irrelevance of choice of programming language and the number of bugs. Is there anyone who knows the research paper or the article?

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  • Math Mod Containing Numbers

    - by TheDarkIn1978
    i would like to write a simple line of code, without resorting to if statements, that would evaluate whether a number is within a certain range. i can evaluate from 0 - Max by using the modulus. 30 % 90 = 30 //great however, if the test number is greater than the maximum, using modulus will simply start it at 0 for the remaining, where as i would like to limit it to the maximum if it's past the maximum 94 % 90 = 4 //i would like answer to be 90 it becomes even more complicated, to me anyway, if i introduce a minimum for the range. for example: minimum = 10 maximum = 90 therefore, any number i evaluate should be either within range, or the minimum value if it's below range and the maximum value if it's above range -76 should be 10 2 should be 10 30 should be 30 89 should be 89 98 should be 90 23553 should be 90 is it possible to evaluate this with one line of code without using if statements?

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  • How to make validation for a textbox that accept only comma(,) & digit in c# web application?

    - by prateeksaluja20
    Hello Experts, I am working on a website.I am using C# 2008.I want to make a text box that accept only numbers & comma(,). for example-919981424199,78848817711,47171111747 or there may be a single number like 919981424199. I was able to do one thing My text box only containing number by using this Regular Expression validation.in its property-Validation Expression i wrote "[0-9]+". This is working but now my requirement is to send bulk SMS & each number is separated by (,). I tried a lot but not getting the ans.so please help me to sort out this problem. Thanks in advance.

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  • how to update multiple tables in oracle DB?

    - by murali
    hi, i am using two tables in my oracle 10g. the first table having the keyword,count,id(primary key) and my second table having id, timestamp.. but i am doing any chages in the first table(keyword,count) it will reflect on the my second table timestamp.. i am using id as reference for both the tables... table1: CREATE TABLE Searchable_Keywords (KEYWORD_ID NUMBER(18) PRIMARY KEY, KEYWORD VARCHAR2(255) NOT NULL, COUNT NUMBER(18) NOT NULL, CONSTRAINT Searchable_Keywords_unique UNIQUE(KEYWORD) ); table2: CREATE TABLE Keywords_Tracking_Report (KEYWORD_ID NUMBER(18), PROCESS_TIMESTAMP TIMESTAMP(8) ); how can update one table with reference of another table.. help me plz...

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  • how to extract data from excel (apache poi) to put it in mysql table using jsp? [ SOLVED]

    - by Nihad KH
    I want to extract data from excel sheet to insert it into a mysql table using jsp, so far i've done this and its printing data into the outpout(using apache poi),what should i add to this code ? Output : Name Age Adress Mark 35 New york,AA Elise 22 India,bb Charlotte 45 France,cc Readexcel.jsp : <%@page import="java.sql.Statement"%> <%@page import="java.util.ArrayList"%> <%@page import="java.sql.PreparedStatement"%> <%@page import="java.sql.Connection"%> <%@page import="java.util.Date"%> <%@page import="org.apache.poi.ss.usermodel.Cell"%> <%@page import="org.apache.poi.ss.usermodel.Row"%> <%@page import="org.apache.poi.xssf.usermodel.XSSFSheet"%> <%@page import="org.apache.poi.xssf.usermodel.XSSFWorkbook"%> <%@page import="java.io.File"%> <%@page import="org.apache.commons.io.FilenameUtils"%> <%@page import="org.apache.commons.fileupload.FileItem"%> <%@page import="java.util.Iterator"%> <%@page import="java.util.List"%> <%@page import="org.apache.commons.fileupload.servlet.ServletFileUpload"%> <%@page import="org.apache.commons.fileupload.disk.DiskFileItemFactory"%> <%@page import="org.apache.commons.fileupload.FileItemFactory"%> <%@page contentType="text/html" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>PRINT DATA FROM EXCEL FILE</title> </head> <body> <% try{ boolean ismultipart=ServletFileUpload.isMultipartContent(request); if(!ismultipart){ }else{ FileItemFactory factory = new DiskFileItemFactory(); ServletFileUpload upload = new ServletFileUpload(factory); List items = null; try{ items = upload.parseRequest(request); }catch(Exception e){ } Iterator itr = items.iterator(); while(itr.hasNext()){ FileItem item = (FileItem)itr.next(); if(item.isFormField()){ }else{ String itemname = item.getName(); if((itemname==null || itemname.equals(""))){ continue; } String filename = FilenameUtils.getName(itemname); File f = checkExist(filename); item.write(f); try{ XSSFWorkbook workbook = new XSSFWorkbook(item.getInputStream()); XSSFSheet sheet = workbook.getSheetAt(0); Iterator<Row> rowIterator = sheet.iterator(); while (rowIterator.hasNext()){ Row row = rowIterator.next(); Iterator<Cell> cellIterator = row.cellIterator(); while (cellIterator.hasNext()) { Cell cell = cellIterator.next(); switch (cell.getCellType()){ case Cell.CELL_TYPE_NUMERIC: out.print(cell.getNumericCellValue() + "t"); break; case Cell.CELL_TYPE_STRING: out.print(cell.getStringCellValue() + "t"); break;} } out.println(""); } }catch (Exception e){ e.printStackTrace(); } } } } }catch(Exception e){ } finally { out.close(); } %> <%! private File checkExist(String fileName){ String saveFile = "D:/upload/"; File f = new File(saveFile+"/"+fileName); if(f.exists()){ StringBuffer sb = new StringBuffer(fileName); sb.insert(sb.lastIndexOf("."),"-"+new Date().getTime()); f = new File(saveFile+"/"+sb.toString()); } return f; } %> </body> </html> I've created a table in my database named EXCELDATA with the header of the excel sheet : ExcelData (Name varchar(50),age int,adress varchar(50)); what should i add to this code to get the data from the excel sheet to the mysql table ??

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  • pagination in php error

    - by fusion
    i've implemented this pagination class for my webpage in a separate file called class.pagination.php, but when i execute the page, nothing happens. it just displays a blank page. this is my search.php file, where i'm calling this class: <?php include 'config.php'; require ('class.pagination.php'); $search_result = ""; $search_result = $_GET["q"]; $search_result = trim($search_result); //Check if the string is empty if ($search_result == "") { echo "<p class='error'>Search Error. Please Enter Your Search Query.</p>" ; exit(); } //search query for multiple keywords if(!empty($search_result)) { // the table to search $table = "thquotes"; // explode search words into an array $arraySearch = explode(" ", $search_result); // table fields to search $arrayFields = array(0 => "cQuotes"); $countSearch = count($arraySearch); $a = 0; $b = 0; $query = "SELECT cQuotes, vAuthor, cArabic, vReference FROM ".$table." WHERE ("; $countFields = count($arrayFields); while ($a < $countFields) { while ($b < $countSearch) { $query = $query."$arrayFields[$a] LIKE '%$arraySearch[$b]%'"; $b++; if ($b < $countSearch) { $query = $query." AND "; } } $b = 0; $a++; if ($a < $countFields) { $query = $query.") OR ("; } } $query = $query.")"; $result = mysql_query($query, $conn) or die ('Error: '.mysql_error()); $totalrows = mysql_num_rows($result); if($totalrows < 1) { echo '<span class="error2">No matches found for "'.$search_result.'"</span>'; } else { ?> <div class="caption">Search Results</div> <div class="center_div"> <table> <?php while ($row= mysql_fetch_array($result, MYSQL_ASSOC)) { $cQuote = highlightWords(htmlspecialchars($row['cQuotes']), $search_result); ?> <tr> <td style="text-align:right; font-size:15px;"><?php h($row['cArabic']); ?></td> <td style="font-size:16px;"><?php echo $cQuote; ?></td> <td style="font-size:12px;"><?php h($row['vAuthor']); ?></td> <td style="font-size:12px; font-style:italic; text-align:right;"><?php h($row['vReference']); ?></td> </tr> <?php } ?> </table> </div> <?php } } else { exit(); } //Setting Pagination $pagination = new pagination(); $pagination->byPage = 5; $pagination->rows = $totalrows; // number of records in a table-back mysql_num_rows () instance or another, you have to play $from = $pagination->fromPagination(); // sql used for applications such LIMIT $ from, $ pagination-> byPage $pages = $pagination->pages(); if(isset($pages)) {?> <div class="pagination"> <?foreach ($pages as $key){?> <?if($key['current'] == 1) {?> <a href="?p=<?=$key['p']?>" class="active"><?=$key['page']?></a> <?} else {?> <a href="?p=<?=$key['p']?>" class="inactive"><?=$key['page']?></a> <?}?> <?}?> </div> <?} //End Pagination ?>

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  • Output of System.out.println(object)

    - by Shaarad Dalvi
    I want to know what exactly the output tells when I do the following : class data { int a=5; } class main { public static void main(String[] args) { data dObj=new data(); System.out.println(dObj); } } I know it gives something related to object as the output in my case is data@1ae73783. I guess the '1ae73783' is a hex number. I also did some work around and printed System.out.println(dObj.hashCode()); I got number 415360643. I got an integer value. I don't know what hashCode() returns, still out of curiosity, when I converted 1ae73783 to decimal, I got 415360643! That's why I am curious that what exactly is this number?? Is this some memory location of Java's sandbox or some other thing? Any light on this matter will be helpful..thanks! :)

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  • Which of FILE* or ifstream has better memory usage?

    - by Viet
    I need to read fixed number of bytes from files, whose sizes are around 50MB. To be more precise, read a frame from YUV 4:2:0 CIF/QCIF files (~25KB to ~100KB per frame). Not very huge number but I don't want whole file to be in the memory. I'm using C++, in such a case, which of FILE* or ifstream has better (less/minimal) memory usage? Please kindly advise. Thanks! EDIT: I read fixed number of bytes: 25KB or 100KB (depending on QCIF/CIF format). The reading is in binary mode and forward-only. No seeking needed. No writing needed, only reading. EDIT: If identifying better of them is hard, which one does not require loading the whole file into memory?

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  • How do I not include part of a regular expression

    - by Axilus
    I'm pretty new to using regexes and I can figure out how I would go about extracted a specific number from a string. Suppose the string was any amount of whitespace or random text and somewhere within it is this, "Value: $1000.00." In order to retrieve that value I am currently using this: string value = Convert.ToString(Regex.Match(BodyContent, @"Value:[ \t]*\$?\d*(\.[0-9]{2})?", RegexOptions.Singleline)); So the variable 'value' now has, "Value: $1000.00" stored in it. My question is, using Regex is there a way to use 'Value:' to find the number value but only store the actual number value (i.e. 1000.00) in the 'value' variable?

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  • Mouse stops working after changing function

    - by heyohletsgo
    I'm making a console board game on c++, and i've been able to make the mouse work in the first function, the menu one, however, when i get to the getmove function and need to click on a house, it simply doesn't work.. Can anyone help? This is the class with the mouse. #include <cstdlib> #include <iostream> #include <process.h> #include <windows.h> #include <time.h> #include <stdio.h> using namespace std; void Game(); int Chu(); int rato(int &row, int &col) { HANDLE hIn; hIn = GetStdHandle(STD_INPUT_HANDLE); bool Continue = TRUE; INPUT_RECORD InRec; DWORD NumRead; HWND window = GetConsoleWindow(); POINT cursorPos; RECT wpos; int x = 0; int y = 0; //cout << hIn << endl; FlushConsoleInputBuffer(hIn); while (Continue) { ReadConsoleInput(hIn, &InRec, 1, &NumRead); switch (InRec.EventType) { case MOUSE_EVENT: if (GetAsyncKeyState(VK_LBUTTON)) { cout << "RATO"<<endl; GetWindowRect(window, &wpos); GetCursorPos(&cursorPos); cursorPos.x -= wpos.left; cursorPos.y -= wpos.top; x = (cursorPos.x - 5) / 16; y = (cursorPos.y - 25) / 24; cout << x << " " << y << endl; row = x; col = y; return row; } else if (GetAsyncKeyState(VK_RBUTTON)){ GetWindowRect(window, &wpos); GetCursorPos(&cursorPos); cursorPos.x -= wpos.left; cursorPos.y -= wpos.top; x = (cursorPos.x - 5) / 16; y = (cursorPos.y - 25) / 24; cout << x << " " << y << endl; row = x; col = y; return row; } break; } } } int main() { cout << "\n\n\n click on the stars" << endl; cout << " \n\n\n *******" << endl; int z = 0; int x = 0; int y = 0; int xo = 0; switch (rato(x,y)) { case 1: Game(); break; case 2: Game(); break; case 3: Game(); break; case 4: rato(x, y); break; case 5: rato(x, y); break; case 6: Game(); break; case 7: Game(); break; case 8: Game(); break; case 9: Game(); break; default: cout << "click again"; break; } return 0; } void Game() { int x = 0; int y = 0; int i = 0; cout << "GAME" << endl; do{ i++; rato(x, y); } while (i <= 2); Chu(); } int Chu() { int x = 0; int y = 0; int a = 0; int b = 0; int xo = 0; int yo = 0; cout << "\ click on the stars" << endl; HANDLE hConsole; hConsole = GetStdHandle(STD_OUTPUT_HANDLE); do{ xo = rato(x, y); if (0 <= xo && xo <= 5) { a = 1;} else cout << "CLICK AGAIN" << endl; } while (xo!=0); cout << a; return a; system("PAUSE"); }

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  • Extracting script tags from webpage using user script

    - by user1275375
    My userscript has the following code var scrpt=document.getElementsByTagName('script'); i included this to know the number of scripts of each page i access. This works fine with some websites but for some sites i am not getting all the scripts present. I installed the user script in both firefox and chrome the issue is the number of scripts for the same site is different in both browsers. For example when i access this link Help extracting text from html tag with Java and Regex i am getting the number of scripts in firefox as:17 and in chrome as:15 but when i view the page source there are 22 script tags Please help me to slove the problem. I even tried document.scripts but still i get the same result.

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  • Automatically "upgrade" user settings from previous version of app.config file?

    - by SqlRyan
    Every time I compile my app and the version number changes (I have an auto-incrementing build number), I lose the user-configured app.config settings, since they're stored in the AppData folder for a specific version. Essentially, every release of my application starts from scratch as far as user settings go. While this is a mild annoyance in development, it raises the question as I approach deployment/release - if I use the app.config to store my user settings, will the user's personalized settings be hosed every time they install a patch that changes the version number of my app? If so, is there an easy way to "upgrade" the settings from the previous release? I know that using HKCU in the registry is another option, but I like the ease of the My.Settings namespace, and I'd like to stay with app.config. Another SO question asks something similar, though the answer doesn't seem that clear. Will setting my MSI so it asks the user to upgrade be enough to preserve these user-level settings?

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