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  • Jquery to max number from a set of divs

    - by Matias
    Guys, Given the following HTML <div class"myclass">10</div> <div class"myclass">25</div> <div class"myclass">50</div> <div class"myclass">20</div> I want Jquery to return the maximum value found on divs with class:"myclass". (This is 50) I thought of using .find.text() will be a good starting point but cant figure out exactly how, Help is greatly appreciatted, Thanks

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  • R Plot Specify number of time tickmarks

    - by Cookie
    I was wondering how I could plot more tick marks when plotting time on the x-axis. Basically, a time equivalent to pretty. Pretty obviously doesn't work so well with times, as it uses factors of 1,2,5 and 10. For time one probably wants e.g. hours, half hours, ... plot(as.POSIXct(x,origin="1960-01-01"),y,type="l",xlab="Time") gives really too few and widely spaced tickmarks. zoox<-zoo(y,as.POSIXct(stats$Time,origin="1960-01-01")) plot(zoox) gives the same. Thanks

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  • Javascript function returning number with two decimals...?

    - by muzzledBYbrass
    I have a function to return points along a line and my return comes back with two decimal points...? For example, a return of my variable px will be something like -88.4029.032940598. vx is the x vector and mult is the distance of the line plus distance to calculate the point. Here is the operation that is returning these values: var mult = parseFloat(mag + theUnit); var px = coord_one.x_point + (vx * mult); console.log(px); Never have seen this before- I appreciate any and all help!

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  • Concatenating string with number in Javascript

    - by Sparky
    I'm trying to create a simple calculator in Javascript. I have an array named expression chunk[0] = 12 chunk[1] = + (the "+" sign) chunk[1] = 5 I used a for loop to loop through the chunks (chunk[]) and join then into a single expression as follows:- equation = ""; // To make var equation a string for(i = 0; i <= length; i++) { equation = equation + expression[i]; alert(expression[i]); } alert(equation); alert(expression[i]) showed values 12, + and 5. But alert(equation) showed 125 (instead of "12+5"). I need the variable equation to be "12+5" so that I can later call eval(equation) and get the value of 12+5. What am I doing wrong here?

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  • Read number from text file using C++ stream

    - by Yongwei Xing
    Hi all I have a text file like below 2 1 2 5 10 13 11 12 14 2 0 1 2 99 2 200 2 1 5 5 1 2 3 4 5 1 0 0 0 I want to read file line by line, and read the umbers from each line. I know how to use the stream to read a fixed field line, but what about the non-fixed line? Best Regards,

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  • Reduce the number of additional Queries to 0 by overriding functions in the base model

    - by user334017
    my basic database setup is: User:... Info: relations: User: { foreignType:one } When displaying information on the user it takes: 1 query to find info on the user, and 1 query to find additional info I want to reduce this to one query that finds both, I assume I need to override a function from BaseUser.class.php, or something along those lines but I'm not really sure what to do. Thanks!

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  • Haskell, list of natural number

    - by Hellnar
    Hello, I am an absolute newbie in Haskell yet trying to understand how it works. I want to write my own lazy list of integers such as [1,2,3,4,5...]. For list of ones I have written ones = 1 : ones and when tried, works fine: *Main> take 10 ones [1,1,1,1,1,1,1,1,1,1] How can I do the same for increasing integers ? I have tried this but it indeed fails: int = 1 : head[ int + 1] And after that how can I make a method that multiplies two streams? such as: mulstream s1 s2 = head[s1] * head[s2] : mulstream [tail s1] [tail s2]

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  • Selected number of records from database in DB2.

    - by Abhi
    Hi All, I have to fetch only 50 records at a time from database(DB2), for this I have been usig Row_Number but now the persons are telling that this Row_Number is not stable and has bugs in it so now I have to write a different querry for the same as I have to fetch only 50 records at a time. so please can any body help me out for the same. Thanks in advance. The Query which I have been using is SELECT PLC.* FROM ( SELECT ROW_NUMBER() OVER (ORDER BY PRDLN_CTLG_OID) AS Row, PRDLN_CTLG_OID, PRODUCT_LINE_OID AS PRODUCT_LINE_OID, RTRIM(CATALOG_ID) AS CATALOG_ID, FROM PROD_LINE_CATALOG WHERE PRODUCT_LINE_OID=:productLineOID AND ACTV_IND = 1 ORDER BY CATALOG_ID) PLC WHERE Row >= :startIndex AND Row <= :endIndex ORDER BY PLC.CATALOG_ID DESC WITH UR

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  • Getting Factors of a Number

    - by Dave
    Hi Problem: I'm trying to refactor this algorithm to make it faster. What would be the first refactoring here for speed? public int GetHowManyFactors(int numberToCheck) { // we know 1 is a factor and the numberToCheck int factorCount = 2; // start from 2 as we know 1 is a factor, and less than as numberToCheck is a factor for (int i = 2; i < numberToCheck; i++) { if (numberToCheck % i == 0) factorCount++; } return factorCount; }

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  • script to delete all /n number of lines starting from a word except last line

    - by akvikram
    how to delete all lines below a word except last line in a file. suppose i have a file which contains | 02/04/2010 07:24:20 | 20-24 | 26 | 13 | 2.60 | | 02/04/2010 07:24:25 | 25-29 | 6 | 3 | 0.60 | +---------------------+-------+------------+----------+-------------+ 02-04-2010-07:24 --- ER GW 03 +---------------------+-------+------------+----------+-------------+ | date | sec | BOTH_MO_MT | MO_or_MT | TPS_PER_SEC | +---------------------+-------+------------+----------+-------------+ | 02/04/2010 07:00:00 | 00-04 | 28 | 14 | 2.80 | | 02/04/2010 07:00:05 | 05-09 | 27 | 14 | 2.70 | ... ... ... ... END OF TPS PER 5 REPORT and i need to delete all contents from "02-04-2010-07:24 --- ER GW 03" except "END OF TPS PER 5 REPORT" and save the file. This has to be done for around 700 files. all files are same format, with datemonthday filename.

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  • LINQ query with specified number of rows in a subquery problem

    - by John
    I'm trying to write the following query in LINQ, but can't seem to get it correct. select p.* from Person p inner join PersoniPhones i ON p.PersonID = i.PersonID where p.PersonID in ( SELECT PersonID FROM ( SELECT Top 10 PersonID, iPhoneID FROM iPhone ORDER BY LastPlayedDate DESC ) as t ) I've tried the following, but it doesn't return correctly var tenIPhones = from i in context.PersonIPhones .OrderByDescending(i => i.LastPlayedDate) .Take(minNumQuestions) select new { i.PersonID, i.IPHoneID}; var people = from p in context.Person join t in tenIPhones on p.PersonID equals t.PersonID select p; Any ideas?

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  • Core Data - Best way to save a "number of items"

    - by Daniel Granger
    The user will have a static list of items to choose from. Using a Picker View they will choose one of the items and then select how many of them they want. Whats the best way to save this in core data? A Struct? struct order { NSInteger item; NSInteger numberOf; }; Or some sort of relationship? Many Thanks

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  • Print the next X number of lines in Scala

    - by soulesschild
    Trying to learn Scala using the Programming in Scala book and they have a very basic example for reading lines from a file. I'm trying to expand on it and read a file line by line, look for a certain phrase, then print the next 6 lines following that line if it finds the line. I can write the script easily enough in something like java or Perl but I have no idea how to do it in Scala (probably because I'm not very familiar with the language yet...) Here's the semi adapted sample code from the Programming in Scala book, import scala.io.Source if(args.length>0) { val lines = Source.fromFile(args(0)).getLines().toList for(line<-lines) { if(line.contains("secretPhrase")) { println(line) //How to get the next lines here? } } } else Console.err.println("Pleaseenterfilename")

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  • Performance implications of using a variable versus a magic number

    - by Nathan
    I'm often confused by this. I've always been taught to name numbers I use often using variables or constants, but if it reduces the efficiency of the program, should I still do it? Heres an example: private int CenterText(Font font, PrintPageEventArgs e, string text) { int recieptCenter = 125; int stringLength = Convert.ToInt32(e.Graphics.MeasureString(text, font)); return recieptCenter - stringLength / 2; } The above code is using named variables, but runs slower then this code: private int CenterText(Font font, PrintPageEventArgs e, string text) { return 125 - Convert.ToInt32(e.Graphics.MeasureString(text, font) / 2); } In this example, the difference in execution time is minimal, but what about in larger blocks of code?

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  • How to get number of elements of a class before a certain element

    - by David Shaikh
    I want to know how many elements of a certain class appear in the DOM before an element that let's say has been clicked on. <html> <div class="a"> </div> <div class="b"> <div class="a"> </div> </div> <button>CLick me!</button> <div class="a"> </div> </html> So in the previous DOM tree if the element to be clicked is the button, and Im looking for divs with class "a" it should return 2, even though in the whole tree there are 3, but "before" the button there are only 2. How could I do that? Thanks

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  • Ordering by number of rows?

    - by Rob
    Alright, so I have a table outputting data from a MySQL table in a while loop. Well one of the columns it outputs isn't stored statically in the table, instead it's the sum of how many times it appears in a different MySQL table. Sorry I'm not sure this is easy to understand. Here's my code: $query="SELECT * FROM list WHERE added='$addedby' ORDER BY time DESC"; $result=mysql_query($query); while($row=mysql_fetch_array($result, MYSQL_ASSOC)){ $loghwid = $row['hwid']; $sql="SELECT * FROM logs WHERE hwid='$loghwid' AND time < now() + interval 1 hour"; $query = mysql_query($sql) OR DIE(mysql_error()); $boots = mysql_num_rows($query); //Display the table } The above is the code displaying the table. As you can see it's grabbing data from two different MySQL tables. However I want to be able to ORDER BY $boots DESC. But as its a counting of a completely different table, I have no idea of how to go about doing that. I would appreciate any help, thank you.

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