diiazopde
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ok , thanks man , i found the problem it was about including the file with wrong way , Thanks appreciate it
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thanks , justsomeguy the variable $data_base_login is defined in loginDataBase .php and i show it in the first post //app/loginDataBase.php try { $data_base_login = new PDO('mysql:host=localhost;dbname=espacemembre;charset=utf8', 'root',''); $data_base_login->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); } catch(Exception $e) { die('Erreur : '.$e->getMessage()); }
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thanks for responding , actually i'm trying to implement the MVC desgin patterns , this variables will be bind in a file which exit in the controllers directory thank you again
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hi i'm trying to create an app with php but i have a real problem , i need help , please and thank you // login.php function check_user_authentication(User $user)//return the user id if exist in data base else return false { require_once ('../app/models/loginDataBase.php'); global $data_base_login; $request = $data_base_login->prepare('SELECT id FROM membres WHERE password= :password AND email = :email '); ///my problem is in this line $request->execute(array( 'password' => $user->getPassword(), 'email'=> $user->getEmail() )); $id_user = $request->fetch(); $request->closeCursor(); if ($id_user) return $id_user; else return false; } //app/loginDataBase.php try { $data_base_login = new PDO('mysql:host=localhost;dbname=espacemembre;charset=utf8', 'root',''); $data_base_login->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); } catch(Exception $e) { die('Erreur : '.$e->getMessage()); } the error is :Fatal error: Call to a member function prepare() on null in C:\xampp\htdocs\youMvc\app\models\Login.php on line 14 thanks every one
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hi , i tried to change the width and height of the canvas by using the width and height of a <div></div> <!DOCTYPE html><html><head><style>#blue{ background-color:blue; height:200px; width:200px;}</style></head><body><div id="blue" >vfn</div><br/><canvas id="myCanvas" style="border:1px solid #d3d3d3;">Your browser does not support the HTML5 canvas tag.</canvas><script>var b = document.getElementById("blue");var c = document.getElementById("myCanvas");var ctx = c.getContext("2d");var imgData = ctx.createImageData(b.width,b.height);var i;for (i = 0; i < imgData.data.length; i += 4) { imgData.data[i+0] = 255; imgData.data[i+1] = 0; imgData.data[i+2] = 0; imgData.data[i+3] = 255;}ctx.putImageData(imgData,0,0);</script></body></html> but it doesnt work , why?? answers please,and thank you
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its work now, thank you it was getAttribute()
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i want the hide and show a block when you clik on an image, using Javascript code, so this is the complete code for this function but it doenst work <script> function hide(){ if(document.getElementById("arrow").src == "arrowup.png"){ document.getElementById("arrow").src = "arrowdown.png"; document.getElementById("box").style.display = "none"; } else { document.getElementById("arrow").src= "arrowup.png"; document.getElementById("box").style.display = "block"; } } </script> <img id="arrow" onclick="hide()" src="arrowdown.png" width="30" height="30"/> <div id="box" style="display:none;"> </div> please help me!!
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i did ,but but no results, no erro message found
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thanks for responding; i try it, but it doesn't work , still no solution ??????
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hi , i try to write a function that provide to change the image when i click on it: <body> <script> function hide(){ if (document.getElementById("image").src == "arrowup.png"){ document.getElementById("image").src = "arrowdown.png"; } else { document.getElementById("image").src = "arrowup.png"; } } </script> <img id="image" onclick="hide()" src="arrowdown.png" width="30" height="30"/> </body> but it doesnt work , what is the problem, please????
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thank you very much
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thanks for responding, i want to run it and make it visible to anyone if it is possible thanks again;
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hi! i'm new to HTML but i can programme with c,j2EE and JS , i want to know if there is a way to run my code in an html page, (i mean doing an application inside the HTML page);
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you can use the Html tag <center></center> within that section