Twig show source code but not HTML - twig

I'm trying to run Twig (standalone, without Symfony 2) in a PHP project (Wamp) but it doesn't work : Twig shows the templates source code but does not execute the HTML. I don't find why. Here is my code :
index.php:
// DOCUMENT_ROOT (constant defined in a previous included file) : C:/Program Files/wamp/www/project
$sTwigPath = DOCUMENT_ROOT."/vendors/twig/lib/Twig/Autoloader.php";
if (file_exists($sTwigPath)) {
require($sTwigPath);
Twig_Autoloader::register();
$loader = new Twig_Loader_Filesystem(DOCUMENT_ROOT."/templates");
$tpl = new Twig_Environment($loader, array("cache"=>false));
try {
$oTemplate = $tpl->loadTemplate("home.html");
} catch (Twig_Error_Loader $e) {
error_log("Twig library not found", 0);
exit;
}
$aRender = array();
$aRender["myVar"] = "Wouah! myVar is displayed here!";
echo $oTemplate->render($aRender);
home.html :
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Home</title>
</head>
<body>
<h1>Home</h1>
{{myVar}}
</body>
</html>
I've no error (checked in PHP and apache logs).

Related

Hard time writing a simple code on jscript

I have hard time with this simple jscript for no reason. this code should display the time once clicked. but i get the error below. what am i doing wrong
{
"message": "Uncaught TypeError: Cannot set properties of null (setting 'innerHTML')",
"filename": "https://stacksnippets.net/js",
"lineno": 30,
"colno": 43
}
function item(name)
{
var d = new Date();
document.getElementById("but1").innerHTML = d;
}
<!DOCTYPE html>
<html>
<body>
<script src="C:\Users\kalyanasundar.s\OneDrive - HCL Technologies Ltd\Desktop\proj\animation\index.Js"></script>
<h2>JavaScript Statements</h2>
<p id="demo">You cannot break a code line with a \ backslash.</p>
<button onclick="item(name)">Try it</button>
</body>
</html>

This id (#but1) does not exist, so innerHtml won't work, try changing it.
function item(name) {
var d = new Date();
document.getElementById("demo").innerHTML = d;
}
<!DOCTYPE html>
<html>
<body>
<script src="C:\Users\kalyanasundar.s\OneDrive - HCL Technologies Ltd\Desktop\proj\animation\index.Js"></script>
<h2>JavaScript Statements</h2>
<p id="demo">You cannot break a code line with a \ backslash.</p>
<button onclick="item(name)">Try it</button>
</body>
</html>

How to render template from text?

I want to store in my database a large text from an HTML file that could have Twig directives such as double curly braces, pipes, etc. From that string, I want to render a Twig template and send it back to the client.
public function renderAction (Request $request) {
$text = "<!doctype html>
<html lang='en'>
<head>
<meta charset='UTF-8'>
<title>Document</title>
</head>
<body>
{{SomeVariable}}
</body>
</html>";
$template = $this->render($text, $parameters);
return new JsonResponse(["status" => "ok", "template" => $template], 200);
}
When I try this I got an error, it seems like the first param from $this->render is always used as a path to a twig file but I will not be storing URI but the HTML file content in my database. Is there any way to render a twig template from a string?
I also tried using
$template = $this->get('twig')->createTemplate($text);
return new JsonResponse(["status" => "ok", "template" => $template], 200);
but the "template" prop is always empty when the client receives it
I am using Symfony 2.8.52 and PHP 5.6

Bokeh is not generating plot and is instead returning an HTML file

I am new to Python and was trying out the Bokeh library. I try to plot a basic line graph and instead of returning the graph I get an ouput HTML file. When I ran the HTML code it looks like the graph does generate. Does anyone have any idea why the show() method is not showing me the chart as expected. I tried this in both Jupyter Notebook as well as Atom and both return the HTML code. I am running Windows 7 as well.
My code:
from bokeh.plotting import figure
from bokeh.io import output_file , show
x=[1,2,3,4,5]
y=[6,7,8,9,10]
output_file("test1.html")
f=figure()
f.line(x,y)
show(f)
Returned HTML file:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Bokeh Plot</title>
<link rel="stylesheet" href="https://cdn.bokeh.org/bokeh/release/bokeh-0.13.0.min.css" type="text/css" />
<script type="text/javascript" src="https://cdn.bokeh.org/bokeh/release/bokeh-0.13.0.min.js"></script>
<script type="text/javascript">
Bokeh.set_log_level("info");
</script>
</head>
<body>
<div class="bk-root" id="d48bbd43-55c8-4727-befa-468754bdb0b5"></div>
<script type="application/json" id="41bd10a1-5a61-4504-80f1-8c56f40e644b">
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</script>
<script type="text/javascript">
(function() {
var fn = function() {
Bokeh.safely(function() {
(function(root) {
function embed_document(root) {
var docs_json = document.getElementById('41bd10a1-5a61-4504-80f1-8c56f40e644b').textContent;
var render_items = [{"docid":"c99a857f-320f-48ba-8576-3ef2bd47c6ce","roots":{"4da3e749-cdb4-48ed-8dc6-b78818d8f587":"d48bbd43-55c8-4727-befa-468754bdb0b5"}}];
root.Bokeh.embed.embed_items(docs_json, render_items);
}
if (root.Bokeh !== undefined) {
embed_document(root);
} else {
var attempts = 0;
var timer = setInterval(function(root) {
if (root.Bokeh !== undefined) {
embed_document(root);
clearInterval(timer);
}
attempts++;
if (attempts > 100) {
console.log("Bokeh: ERROR: Unable to run BokehJS code because BokehJS library is missing")
clearInterval(timer);
}
}, 10, root)
}
})(window);
});
};
if (document.readyState != "loading") fn();
else document.addEventListener("DOMContentLoaded", fn);
})();
</script>
</body>
</html>

Yes that will happen but is easy to resolve :
right click the (output html file) in working folder ---> hover over open with----> choose default program---> click on always open with (google chrome)
Now the next time you run your code plot will open up in chrome instead of .html file in notepad

Node.js and swig template engine - including template inside template

I trying to create main page (part of node.js and mongoDB application) that includes login form.
To add view part I included js files with function that returns HTML, but as I can see much better is using template engine.
Everything is OK until I including one compiled swig part inside another one.
The output of main page is OK, but login part outputs like text on the page.
How is possible to output the login HTML as HTML instead of plain text?
Does more information needed to understand the issue?
Thank you in advance.
var swig = require('swig');
var mainPage_tpl = swig.compileFile(__dirname+'/../views/mainpage_tpl.html');
var formLogin_tpl = swig.compileFile(__dirname+'/../views/login_tpl.html');
var loginOutput = formLogin_tpl();
var mainPageOutput = mainPage_tpl({
title: 'Sometitle',
pagetitle: 'Somepagetitle',
content: loginOutput
});
exports.get = function(req, res){
res.writeHead(200, {'Content-Type': 'text/html'});
res.write(mainPageOutput);
res.end();
}
mainpage_tpl.html:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>{{title}}</title>
<link rel="stylesheet" href="/assets/reset.css" />
<link rel="stylesheet" href="/assets/style.css" />
<script type="text/javascript" src="/assets/jquery-2.0.0.js"></script>
<script type="text/javascript" src="/assets/script.js"></script>
</head>
<body id="login_page">
<h1>{{pagetitle}}</h1>
<div id="content">{{content}}</div>
</body>
</html>

If you want to include literal HTML, you need to tell Swig to not escape it using the safe filter:
...
<div id="content">{{ content|safe }}</div>
...

Codeigniter page shows 404 page not found

I am new to codeIgniter and Linux as well. When I tried to run http://localhost/CodeIgniter/hello/first_page it shows 404 Error: Page not found. My Controller class :
/*hello.php*/
class Hello extends CI_Controller
{
function __construct() {
parent::__construct();
}
function first_page()
{
$this->load->view('first_view');
}
}
And my first_view.php is :
<html>
<head>
<title>First CI Page</title>
</head>
<body>
Hi Folks !
</body>
<?php
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
?>
</html>
NB: http://localhost/CodeIgniter shows the welcome message.And all files are executable(777)

Try this url.. You'll get it
http://localhost/CodeIgniter/index.php/hello/first_page
You have to include index.php

Resources