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  • applying apply() to deeply embeded list elements only

    - by romunov
    I would like to apply my function to only elements that are deeper in the list structure. For example, I would like to apply a certain function to list elements of second order only. Is this feasible with apply()? > str(l) List of 3 $ :List of 2 ..$ : num 5 ..$ : num 10 $ :List of 2 ..$ : num 15 ..$ : num 20 $ :List of 2 ..$ : num 25 ..$ : num 30

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  • Microsoft Excel; Two conditions have to be true then be counted

    - by Chris Jones
    I'm working on a spreadsheet that two conditions have to true in order to be counted. If the month is January, and the number next to it is less than or equal to 30, then it's counted. Same rule applies for all the other months. Thus far, I have: =COUNTIFS(Sheet1!D2:D7,(SUMPRODUCT(--(MONTH(D2:D7)=1))),Sheet1!E2:E7,(COUNTIFS(E2:E7,"<=30"))) For example: Column D Jan 1, 2014 Feb 3, 2014 Feb 16, 2014 Mar 5, 2014 Mar 13, 2014 Mar 29, 2014 Column E 37 25 30 31 1 16 Outcome Jan 0 Feb 2 Mar 2

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  • How to rotate image completely. with out showing the black portion.

    - by learner
    I have an image I have to rotate that image 25 degree. if I rotate it shows some black background. How can I avoid that. How can I rotate image completely with out showing the black portion by using PHP GD. I cant use js for rotation. because I have to merge the image with another one after rotation. any body have the scripts for this please help me.

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  • How to access child element out of children()?

    - by user291701
    Hi, I'd like to get the # of immediate children an element has, and then get the class of a child at a particular index. Something like: var index = 25; var children = $("#myListElement").children(); if (index < children.length) { if (children[index].hasClass("testClass")) { alert("hi!"); } } I think the syntax for .children() is ok, but how do I get the indexed element out of them in jquery style? Thanks

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  • Rails and date: get profiles with related ages

    - by Totty
    Hy, I have a profile x, that has a born_date and then i want to get all the profiles that has more or less 5 years. If profile x has 20 years, i want every profile that has between 15 and 25 years. Here i need some date calculations and i dont really know how to do it. You have some ideas? ;)

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  • C++ function not found during compilation

    - by forthewinwin
    For a homework assignment: I'm supposed to create randomized alphabetial keys, print them to a file, and then hash each of them into a hash table using the function "goodHash", found in my below code. When I try to run the below code, it says my "goodHash" "identifier isn't found". What's wrong with my code? #include <iostream> #include <vector> #include <cstdlib> #include "math.h" #include <fstream> #include <time.h> using namespace std; // "makeKey" function to create an alphabetical key // based on 8 randomized numbers 0 - 25. string makeKey() { int k; string key = ""; for (k = 0; k < 8; k++) { int keyNumber = (rand() % 25); if (keyNumber == 0) key.append("A"); if (keyNumber == 1) key.append("B"); if (keyNumber == 2) key.append("C"); if (keyNumber == 3) key.append("D"); if (keyNumber == 4) key.append("E"); if (keyNumber == 5) key.append("F"); if (keyNumber == 6) key.append("G"); if (keyNumber == 7) key.append("H"); if (keyNumber == 8) key.append("I"); if (keyNumber == 9) key.append("J"); if (keyNumber == 10) key.append("K"); if (keyNumber == 11) key.append("L"); if (keyNumber == 12) key.append("M"); if (keyNumber == 13) key.append("N"); if (keyNumber == 14) key.append("O"); if (keyNumber == 15) key.append("P"); if (keyNumber == 16) key.append("Q"); if (keyNumber == 17) key.append("R"); if (keyNumber == 18) key.append("S"); if (keyNumber == 19) key.append("T"); if (keyNumber == 20) key.append("U"); if (keyNumber == 21) key.append("V"); if (keyNumber == 22) key.append("W"); if (keyNumber == 23) key.append("X"); if (keyNumber == 24) key.append("Y"); if (keyNumber == 25) key.append("Z"); } return key; } // "makeFile" function to produce the desired text file. // Note this only works as intended if you include the ".txt" extension, // and that a file of the same name doesn't already exist. void makeFile(string fileName, int n) { ofstream ourFile; ourFile.open(fileName); int k; // For use in below loop to compare with n. int l; // For use in the loop inside the below loop. string keyToPassTogoodHash = ""; for (k = 1; k <= n; k++) { for (l = 0; l < 8; l++) { // For-loop to write to the file ONE key ourFile << makeKey()[l]; keyToPassTogoodHash += (makeKey()[l]); } ourFile << " " << k << "\n";// Writes two spaces and the data value goodHash(keyToPassTogoodHash); // I think this has to do with the problem makeKey(); // Call again to make a new key. } } // Primary function to create our desired file! void mainFunction(string fileName, int n) { makeKey(); makeFile(fileName, n); } // Hash Table for Part 2 struct Node { int key; string value; Node* next; }; const int hashTableSize = 10; Node* hashTable[hashTableSize]; // "goodHash" function for Part 2 void goodHash(string key) { int x = 0; int y; int keyConvertedToNumber = 0; // For-loop to produce a numeric value based on the alphabetic key, // which is then hashed into hashTable using the hash function // declared below the loop (hashFunction). for (y = 0; y < 8; y++) { if (key[y] == 'A' || 'B' || 'C') x = 0; if (key[y] == 'D' || 'E' || 'F') x = 1; if (key[y] == 'G' || 'H' || 'I') x = 2; if (key[y] == 'J' || 'K' || 'L') x = 3; if (key[y] == 'M' || 'N' || 'O') x = 4; if (key[y] == 'P' || 'Q' || 'R') x = 5; if (key[y] == 'S' || 'T') x = 6; if (key[y] == 'U' || 'V') x = 7; if (key[y] == 'W' || 'X') x = 8; if (key[y] == 'Y' || 'Z') x = 9; keyConvertedToNumber = x + keyConvertedToNumber; } int hashFunction = keyConvertedToNumber % hashTableSize; Node *temp; temp = new Node; temp->value = key; temp->next = hashTable[hashFunction]; hashTable[hashFunction] = temp; } // First two lines are for Part 1, to call the functions key to Part 1. int main() { srand ( time(NULL) ); // To make sure our randomization works. mainFunction("sandwich.txt", 5); // To test program cin.get(); return 0; } I realize my code is cumbersome in some sections, but I'm a noob at C++ and don't know much to do it better. I'm guessing another way I could do it is to AFTER writing the alphabetical keys to the file, read them from the file and hash each key as I do that, but I wouldn't know how to go about coding that.

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  • How to apply GROUP_CONCAT in mysql Query

    - by Query Master
    How to apply GROUP_CONCAT in this Query if you guys have any idea or any alternate solution about this please share me. Helps are definitely appreciated also (see Query or result required) Query SELECT WEEK(cpd.added_date) AS week_no,COUNT(cpd.result) AS death_count FROM cron_players_data cpd WHERE cpd.player_id = 81 AND cpd.result = 2 AND cpd.status = 1 GROUP BY WEEK(cpd.added_date); Query output result screen Result Required 23,24,25 AS week_no 2,3,1 AS death_count

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  • I know I can't say myView.frame.origin.x = val - But why ?

    - by Allisone
    I know that I can't use that myView.frame.origin.x = 25.0; that I have to use instead CGRect myFrame = myView.frame; myFrame.origin.x = 25.0; myView.frame = myFrame; And I'm doing it all the time (f.e. in animations), but I don't know why I must do it that way. I would like to fill that gap in my understanding. Can someone explain ?

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  • doubt regarding sequence points

    - by tushar
    i recently came across a question about sequence points in c++ at this site what the code will output: int c=0; cout<<c++<<c; it was answered that the output is undefined and << is not a sequence point but still i want to know why does it that even if i compile it 25 times it still prints 01

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  • Create web application with ajax from the begining or add ajax later?

    - by klew
    I'm working on my first Ruby on Rails aplication and it's quite big (at least for me ;) - database has about 25 tables). I'm still learning Ruby and Rails and I never wrote anything in Javascript nor Ajax. Should I add Ajax to my application from the begining? Or maybe it will be better to add it latter? Or in the other words: is it (relatively) easy to add ajax to existing web application?

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  • How can I use Generics to create a way of making an IEnumerable from an enum?

    - by Samantha J
    Given an enum like this: public enum City { London = 1, Liverpool = 20, Leeds = 25 } public enum House { OneFloor = 1, TwoFloors = 2 } I am using the following code to give me an IEnumerable: City[] values = (City[])Enum.GetValues(typeof(City)); var valuesWithNames = from value in values select new { value = (int)value, name = value.ToString() }; The code works very good however I have to do this for quite a lot of enums. Is there a way I could create a generic way of doing this?

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  • Importing data from file to array

    - by stamp
    I have 2 dimensional table in file, which look like this: 11, 12, 13, 14, 15 21, 22, 23, 24, 25 I want it to be imported in 2 dimensional array. I wrote this code: INTEGER :: SMALL(10) DO I = 1, 3 READ(UNIT=10, FMT='(5I4)') SMALL WRITE(UNIT=*, FMT='(6X,5I4)') SMALL ENDDO But it imports everything in one dimensional array.

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  • Getting this error in rails: `ActionView::Template::Error (code converter not found (UTF-8 to UTF-16))`

    - by Victor S
    I've started getting the following error in one of my views for some reason, I don't get it in development, but only in production. Here is a snippet of the backtrace, any ideas? ActionView::Template::Error (code converter not found (UTF-8 to UTF-16)): 19: [title, summary.gsub(/^/, " "), nil].join("\n\n") 20: end 21: end.join 22: sections = sections.force_encoding('UTF-8').encode('UTF-16', :invalid => :replace).encode('UTF-8') if sections.respond_to?(:force_encoding) 23: %> 24: 25: <%= raw sections %>

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  • Translate SQL statement into named_scope?

    - by keruilin
    How can I translate this SQL into a named_scope? Also, I want the total comments param to be passed through a lambda. "select users., count() as total_comments from users, comments where (users.id = comments.user_id) and (comments.public_comment = 1) and (comments.aasm_state = 'posted') and (comments.forum_user_id is null) group by users.id having total_comments 25"

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  • Problem with routes and mod-rewrite (if not absolute i don't get CSS, JS or images)

    - by Toni Michel Caubet
    hi there! i updated the code from my website to a 'better' veersion i think, it works fine but when i try to implement the friendly URL and load it, works, but with no CSS, Javascript or images, but if i corret the routes for the css to http://website/css/style.css (instead of ./css/style.css) it i do see the CSS properly loaded, any idea why? Example: http://keepyourlinks.com/link1.php?id=25 VS http://keepyourlinks.com/keep/25/series-yonkis (i updated the route of the CSS, but the Javascript is missing an the images asweell) I really would like not to have to correct al routes :(

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  • What is the problems for my xml file format ?

    - by python
    <? $xml="<?xml version='1.0' encoding='UTF-8' standalone='no'?> <Document> <pain.001.001.02> <books> <book> <qty>12</qty> <title>C++</title> </book> <book> <qty>21</qty> <title>PHP</title> </book> </books> <books> <book> <qty>25</qty> <title>Java</title> </book> <book> <qty>32</qty> <title>Python</title> </book> <book> <qty>22</qty> <title>History</title> </book> </books> </pain.001.001.02> </Document> "; $doc = new DOMDOcument; $doc->loadxml($xml); $xpath = new DOMXpath($doc); $arr = array( array( '12;C++', '21;PHP'), array( '25;Java', '32;Python' ) ); # Remove elements based on qty and title foreach($arr as $items) { foreach($items as $item) { list($qty, $title) = explode(';', $item); foreach($xpath->query('//pain.001.001.02/books/book[title="'.$title.'"][qty="'.$qty.'"]') as $book) { $book->parentNode->removeChild($book); } } } # Remove empty <books> foreach($xpath->query('pain.001.001.02/books[count(book)=0]') as $empty) { $empty->parentNode->removeChild($empty); } header('Content-type: text/xml'); echo $doc->savexml(); ?> If I put <Document> in the xml document , get the expected result BUT If change <Document> to <Document xmlns="urn:iso:std:iso:20022:tech:xsd:pain.001.001.02"> get UNEXPECTED RESULT? Do you have any idea? thanks

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  • is this Map API key Problem in Android?

    - by Praveen Chandrasekaran
    Hi folks, I am using 2 map Activities. do i want to register multiple Map APi key for each? Now I am getting this exception: 06-16 16:59:25.048: ERROR/MapActivity(10008): Couldn't get connection factory client I googled about this exception. It concludes that must be a API Key Problem? Is that true? Why it happens? Thanks

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  • mySQL: Order by field size/length

    - by Sadi
    Here is a table structure (e.g. test): __________________________________________ | Field Name | Data Type | |________________|_________________________| | id | BIGINT (20) | |________________|_________________________| | title | varchar(25) | |________________|_________________________| | description | text | |________________|_________________________| A query like: SELECT * FROM TEST ORDER BY description; But I would like to order by the field size/length of the field description. The field type will be TEXT or BLOB.

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  • sifr3 text doesn't load on first try?

    - by metal-gear-solid
    sifr3 text doesn't load many time first time on FF 3.5? I haven't checked on other browser. If i reload page again then it loads properly. this is my code sIFR.replace(futura, { selector: '#Homepage h1', ratios: [6, 1.24, 9, 1.13, 10, 1.15, 16, 1.09, 21, 1.06, 22, 1.07, 25, 1.04, 26, 1.06, 29, 1.03, 30, 1.05, 31, 1.03, 32, 1.05, 41, 1.04, 58, 1.03, 97, 1.02, 1.01], wmode: 'transparent', css: '.sIFR-root { background-color: none; color: #ffffff; }' });

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  • silverlight button onClick event

    - by Anish Mohan
    Hi, Might be this question a blunder :(... I have a a button in silverlight application... <Button Height="25" Width="100" Grid.Column="0" Grid.Row="0" Click="Button_Click"/> I read that silverlight need WCF to interact with server side... So is it like to access my "Button_Click" event I need WCF ?

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  • php,imageresizing

    - by tismon
    function rezizecode() { $config['image_library'] = 'gd2'; $config['source_image'] = 'system/application/images/manu.jpg'; $config['create_thumb'] = TRUE; $config['maintain_ratio'] = TRUE; $config['width']= 25; $config['height']= 30; $this->load->library('image_lib', $config); $this->image_lib->resize(); } using this code image resizing is not working ?

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  • DB2 timestamp PHP DateTime

    - by Dolfa
    After upgrade to PHP 5.3 my application is returning DB2 columns with Timestamp type as "2010-12-15-10.23.22.716000". This is causing problem for PHP DateTime function, as it fails with Failed to parse time string (2010-12-15-10.23.22.716000) at position 25 (0): Unexpected character It seems its having a problem with too much accuracy in DB2 timestamp. Can I somehow force connection to change timestamp format with it is fetching data into?

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