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69 Posted Topics
 | Hi! I want to convert numbers to letters, in this way: A=0, B=1, C=2... Z=25, AA=26,AB=27 etc (something like the names of columns in MS Excel). How to do that? Thanks a lot! |
| | Try this: create INDEX.PHP file in this folder and put redirection. It means that noone can open this folder and see the files inside it. <?php header("location:../"); ?> But, you have to add secure downloading. Because, if logged users sees the URL or something like this, he can tell someone … |
| | Hi! This is just an easy example of class inheritance. But, why does Sphere(Circle& K):Circle(K){} work? What does Circle(K) mean? Thanks! #include<iostream> #define PI 3.14159 using namespace std; class Circle { protected: float r; public: Circle(){} Circle(float r):r(r){} float circumference() {return 2*r*PI;} float area() {return r*r*PI;} }; class Sphere: public …  |
| | Hi! So, as the name of this discussion says, I have some jquery code. And sometimes some parts of them don't work, sometimes they do work. The page is made for conjugating verbs, which is done with php, and this isn't a problem. Here is the code: $(document).ready(function(){ function conjugate() …  |
| | Hi! So, I made this code #include<iostream> #include<cstdlib> #include<pthread.h> using namespace std; const int m=6; const int n=5; const int s=5; const int r=8; const int num_thrd=3; class data{ public: int* A; int* B; int* C; int start; }; void* multiply(void* pod) { data* P=(data*)pod; for(int i=P->start;i<m;i+=num_thrd) { for(int j=0;j<r;j++) … |
| | Hi! A task was to solve a problem using threads (sum up two arrays), but so that you have a global const which will represent number of threads you want to use. Somehow, this doesn't work, and Im not sure if this is correct way to do it. Thanks for … |
| | Hi! I have this code and getting this problem: undefined reference to 'vtable for Triangle'. Thanks for your help! #include<iostream> using namespace std; class Point { public: float x,y; Point(){} Point(float x,float y):x(x),y(y){}; Point operator=(Point &X); }; Point Point::operator=(Point &X) { this->x=X.x; this->y=X.y; return *this; } class Figure { public: … |
| | Hi! I have this code, classes with matrices, overloading operator etc (this is just one part, I reduced it from original). #include<iostream> using namespace std; class matrix { protected: float* M; size_t m,n; public: matrix(){} matrix(size_t m,size_t n); matrix(const matrix& A); ~matrix(); matrix& operator=(const matrix& A); matrix operator+(const matrix& A) …  |
| | Hi! This is just an example code: #include<iostream> using namespace std; int& example() { int a=5; return &a; } int main() { cout << example(); } But I'm getting this error: Error: invalid initialization of non-const reference of type 'int&' from an rvalue of type 'int\*' |
| | I don't think you can read the file with javascript (but nevermind). Your mistake: [CODE] var myFile = document.getElementById('txtF') //this means: ID="txtF", and you don't have it (you have name="txtF") //so, you have to replace it (name) with ID (or add id='txtF') [/CODE] |
| | Hi! This is the codes: (page php_2): [CODE] <html> <script type="text/javascript"> function sendData(){ if(window.XMLHttpRequest){ xmlhttp=new XMLHttpRequest(); }else{ xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function(){ if(xmlhttp.readyState==4 && xmlhttp.status==200){ var Ymax=document.getElementById('Ymax').value; result=xmlhttp.responseText; //in the html element <div id="forResult"></div> //will be writen what you write with "echo" in your php file //in this example, "Thank you …  |
| | Hi all! I have this code. Everything works fine except "setTimeout..." function. It's supposed to repeat this function every second (and change the age). Can someone, anyone, help me? Thanks a lot! [CODE]<script type="text/javascript"> function parseDate(input){ var parts = input.match(/(\d+)/g); return new Date(parts[0],parts[1]-1,parts[2],parts[3],parts[4]); } function calculate(){ var date = new … |
 | Re: includes This is the problem: YOU PUT PHP CODE IN HTML FILE. RENAME "INDEX.HTML" to INDEX.PHP and it should work. |
| | Use this to take the highest number: [CODE] $max=0; foreach($menu_id as $id){ if($max<$id) $max=$id; } $max++; [/CODE] |
| | Re: Session echo maybe you should use variable, like this: [CODE] $variable=$_SESSION['Price']; $variable+=$_GET['P_Price']; //if doesn't work, then do this:$variable=$variable*1+$_GET['P_Price']; $variable++; $_SESSION['Price']=$variable; [/CODE] |
| | So, you have a database. Every user must have an ID number. Then, you have one page, "people" page, and on this page are all people. And there are links next to every person name, like <a href="target.php">Add this person as friend</a>. As href you can use persons id, like …  |
| | Hi! I want to check if some file on some other server exists. I have this code (but something is wrong with it): [CODE]<?php $notworking=array(); $false=0; $link="http://uploads.mp3songurls.com/"; $files=glob("genre/*.xml"); foreach($files as $file){ $xml=new SimpleXMLElement($file,null,true); foreach($xml as $info){ if(fopen($link.$info->link.".mp3","r")==false){ $false++; $notworking[$false]=$info->name." => ".$info->author; } } } if($false>0){ $file=fopen("notworking.txt","w"); for($i=1;$i<=$false;$i++){ fwrite($file,$notworking[$i]."\r\n"); } fclose($file); … |
| | Use this, but it will be for all links in your page, so: [CODE] <head> <base target="_blank"> </head> [/CODE] |
| | Hi! This is my problem. If I write letter č or ć in textarea, and then if I use php to check if there in textarea is letter č or ć, it doesn't work, here's code: [CODE] <?php if($_POST['sub']){ $tekst=$_POST['tekst']; $array=array("č"); //& # x 010D iz unicode for č, i … |
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| | Add this under <form action="test.php"....> [CODE] if($_POST['submit']){ //...... }elseif($_POST['add']){ $max=$_POST['max']; }else{ $max=8; } [/CODE] replace 8 in for loop to $max [CODE] for($i=0;$i<$max;$i++){ [/CODE] add this under <input> elements (it must be in <form>) [CODE] <input type="hidden" name="max" value="<?php echo ($max+1);?>"> // here try ($max+1), if doesn't work, then use … |
| | When you get data: [CODE] $name=""; $id=""; $lat=""; $lon=""; $xml=new SimpleXMLElement("path/to/file.xml",null,true); foreach($xml as $data){ if($name=="" && $data->name) $name=$data->name; if($id=="" && $data->id) $id=$data->id; if($lat=="" && $data->lat) $lat=$data->lat; if($lon=="" && $data->lon) $lon=$data->lon; } [/CODE] So, now you have these variables. Now you just put them in new xml file: [CODE] $dom=new DomDocument(); … |
 | I don't understand "$bookID = $_POST["bookID"];" in receipt.php. This variable doesn't exists.  |
| | Re: Php script It's easy. If you have MYSQL database, then, when user register himself create a code and store it in database eg: [CODE] $code=""; $char="QWERTZUIOPASDFGHJKLYXCVBNM0123456789qwertzuiopasdfghjklyxcvbnm"; $length=15; for($i=1;$i<=$length;$i++){ $number=mt_rand(0,(strlen($char)-1)); $code.=$char[$number]; } [/CODE] And also, create a map. EG. if code is AhfIOGF12, then it saves this code in database, and create a … |
| | Hi! I could play 18 Wheels of Steel: Haulin, and then I've deleted it. After a while I've installed it but I can't play it. I click on the icon but nothing happens. Can somebody help me? Thanks a lot! |
| | Hi! How to create a website with cookies, but cookies will not be deleted (they will be on computer forever, except somebody delete it; I deleted the cookies one time, and then they have been automatically created (I didn't go to these sites)) So, how to create these two things? … |
| | Hi! Can somebody help me? I want to add text, but I can't. I saw some examples, but when I wrote them in my code, it returns error. Here's the code (Win32, directX, c++): [CODE] #include <Windows.h> #include <WindowsX.h> #include <d3d9.h> #include "D:\\Program Files\\Microsoft DirectX SDK (June 2010)\\Include\\d3dx9.h" //I don't … |
| | Hi! I have htaccess file with this: [CODE] deny from all [/CODE] When I open the directory, access is forbidden! But when I open some file, it doesn't work. Can somebody help me? |
| | Hi! I'm getting these warnings: Warning: session_start() [function.session-start]: Node no longer exists in (file) on line 2 Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at file:2) in file on line 2 Warning: Unknown: Node no longer exists in Unknown on line 0 I …  |
| | Hi! I'm trying to send an email (automaticaly, when user register), but I don't get some different letters correct. Here's example code: [CODE] ... $message="Some message that contains č, ć, đ, ž, š"; //on the server, I can't write letters like č, ć etc.; I must write their code & … |
| | Hi! I have two frames (frameset, let's call it frame1 and frame2). Frame1 has links..., and frame2. When some link in frame1 is clicked, it must be changed content of the frame2. Here's example: [URL="http://www.dlib.indiana.edu/variations/scores/adg7955/index.html"]click[/URL]. How to do that? (I don't see any javascript code) Thanks a lot! |
| | Hi! I have a php code that reads xml file. In xml file I have the german letter ö (this xml file is saved as UTF). This is mistake. I don't get ö. I get some strange carachters (like ö). Can somebody help me? Thanks a lot! |
| | Hi! I have a page, and one part of this page (javascript) reads the duration of song. But what if user's javascript installed on computer doesn't support this? Do all javascript support this function? Here it is: [CODE] //for some browser this function (like IE): duration = document.sound.currentMedia.durationString; //and for … |
| | Maybe you can use AJAX (with php) |
| | You mean you have something like this: [CODE] <select> <option value="1">Colour Shop A</option> <option value="2">Colour Shop B</option> <option value="3">Colour Shop C</option> </select> [/CODE] ? |
| | 1. Yes, you can use window.onload: [CODE] window.onload=function(){ getData('data.php','targetDiv'); } [/CODE] and for second: [CODE] //in function getData add this (calling the counter): counter(); //and here's counter function: function counter(){ setTimeout('getData()',1000); //1000 (miliseconds) = 1 second, calls getData() after every second } [/CODE] Hopefully everthing works! |
| | Re: Html help For popup: [CODE] <a href="javascript:void(0)" onclick="window.open(''filename.html','popupWindow','height=500,width=600,left=30,top=40,toolbar=no,location=no,status=no,menubar=no,scrollbars=no');">Click</a> [/CODE] and for popup window something like this: [CODE] <script type="text/javascript"> function checkCode(){ code=document.getElementById('code').value; if(code!=""){ //here check the for the code and then add something like this: window.opener.location.href="filename.html?page="+page window.close(); } } </script> Your postal code: <input type="text" name="code" id="code"><input type="button" value="Click" onclick="checkCode()"> [/CODE] And … |
| | Hi! I made a page where users can listen to music (with javascrip). I add a popup where they can choose what music to play, and when they choose it, this popup window close itself, and two hidden fields get the song information. In the script (you can see it … |
| | Look this page: [URL="http://www.htmlcodetutorial.com/linking/linking_famsupp_75.html"]click[/URL]. How to do that with button? |
| | HI! I have a php page. There are music names (they are in array). I want to make a search script. This script must find what someone writes. But if user made mistake while writing, it must find similar music names. Is this possible, or I must use mysql? |
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| | first question: you can check the biggest image with this code: [CODE] //add this to you code //this add at top $max=0; //then, in loop if($imagesize>$max){ $max=$imagesize; $maxImageName=$image; } echo $maxImageName; [/CODE] |
| | I need help! Here's script: [CODE] <?php date_default_timezone_set('Europe/Paris'); $time="1303889758"; echo $time."<br>"; $convert=date("G:i:s d. n. Y. ",$time); //convert $time to our date: output is 9:35:58 27. 4. 2011. echo $convert."<br>"; $con2=mktime($convert); //convert converted time to unix: doesn't work echo $con2; ?> [/CODE] I have two script. One script write the time … |
| | Can you check this site? (can you check can you listen to music? [my browser is firefox, and can you check it with other browsers?]) Thanks! ([URL="http://latinus.herobo.com"]click[/URL]) (PS. Glasnoća means volume) |
| | Hi! I have a page and it's on 000webhost.com. But they don't allowed to add upload script. So, I thought, is it possible to make a php script that will upload file to one other server (this other server doesn't have installed php). Is this possible? If so, how? Thanks … |
| | I saw one page where image was loading. First, there was something like this image (in this text: first image): [URL="http://www.lutrijabih.ba/images/loading.gif"]click[/URL]. And then, when image (real) loaded, it replace first image. Do you maybe know how to do that? (I don't remember the URL of this page.). Thanks! |
| | I used [URL="http://www.ibm.com/developerworks/library/os-php-v525/index.html"]this[/URL] page for making upload progress bar. I downloaded it and uploaded it to the server (you can see it [URL="http://latinus.herobo.com/proba/progress.php"]here[/URL]), and I signed up to Google Maps API and I pasted the code, but it doesn't work. It uploads the file, but it doesn't write the upload … |
| | Hi! Sorry for my bad english! I made an editor. When user passes mouse over the picture, the picture changes color ( Here's code: [CODE] <style> .button:hover{ filter:alpha(opacity=20); opacity=0.2; } .field{ background:#aabbcc; border:1px solid black; } </style> <fieldset class=field> <img src=blablabla.bmp class=button> </fieldset> [/CODE]) I want to make that, when … |
| | Hi! Sorry for my bad english! I want to make HTML editor (editor with tags, like this on daniweb) with tables. Here's the problem: If user writes [TABLE], I made that this replace with <table>. If the user write, eg. [TABLE:BORDER=1;WIDTH:300;], it will change this to <table border=1 width=300> Here's … |
| | Hi! Sorry for my bad english! I want to make a function that will replace "[LINK=url]Some text[/LINK]" with "<a href=url>Some text</a>". I tried, but the code is too long. Is there any shorter code for this. Here's how I do this (but this code make only first [LINK] into <a … |
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