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IPN vs PDT in Paypal
...st identically (the backend part is the same) and that code acquires a per-web-user lock in the database, so that if the same user tries to submit the exact same payment multiple times it can only be processed once. Once processed the result of that process is re-used for any subsequent attempts to...
How can I display a pdf document into a Webview?
I want to display pdf contents on webview.
Here is my code:
10 Answers
10
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One line ftp server in python
...address, FTPHandler)
server.serve_forever()
There's more examples on the website if you want something more complicated.
To get a list of command line options:
python -m pyftpdlib --help
Note, if you want to override or use a standard ftp port, you'll need admin privileges (e.g. sudo).
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$.focus() not working
... leaving the HTMLElement.
Source: https://developer.mozilla.org/en/docs/Web/API/HTMLElement/focus
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Laravel blank white screen
...ww-data", "apache" or world-writable - that depends on your server setup.
Web Server User
On Ubuntu/Debian servers, your PHP may be running as user "www-data". On CentOS/RedHat/Fedora servers, you PHP may be running as user "apache".
Make sure your files are owned by the user that is running PHP:...
CodeIgniter: Create new helper?
...utomatically by adding it to the autoload configuration file i.e. <your-web-app>\application\config\autoload.php.
$autoload['helper'] = array('new_helper');
-Mathew
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Download file of any type in Asp.Net MVC using FileResult?
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The MVC framework supports this natively. The System.Web.MVC.Controller.File controller provides methods to return a file by name/stream/array.
For example using a virtual path to the file you could do the following.
return File(virtualFilePath, System.Net.Mime.MediaTypeNames...
Get loop counter/index using for…of syntax in JavaScript
...<9, you should use Polyfill code.
https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Object/keys
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How to get JSON from URL in JavaScript?
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With Chrome, Firefox, Safari, Edge, and Webview you can natively use the fetch API which makes this a lot easier, and much more terse.
If you need support for IE or older browsers, you can also use the fetch polyfill.
let url = 'https://example.com';
fetch(url)...
What is the most efficient way to concatenate N arrays?
...ate. The first three is the spread operator developer.mozilla.org/en/docs/Web/JavaScript/Reference/…
– Eydrian
Feb 3 '17 at 10:53
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