Clouds blog

Category: English

  • Use iText 4.1.6 to signing a PDF file with C#

    Here is an C# example of signing a PDF file with certificate in file using the latest free MPL & GPL version of iText. It can be downloaded from here (source) or here(DLL) or via NuGet package manager in Visual Studio. After importing iText in the project you have access to the following functions. The […]

  • Xades standards testing portal

    I just found out a great portal about xml digital signature xades standard testing tool, with detailed information on what is wrong. You just need to send a free email to get the login credentials and you are good to go. They replied to me the next day. The link is located at ETSI site: […]

  • Use iText 5.4.x to signing a PDF file

    Here is a sample code to sign a PDF using iTextSharp library and it is using a certificate file (with private key).

  • Must have WP plugins

    W3 Total Cache Plugin designed to cache and speed up your wordpress blog. With loads of setting you can minify css, cache pages, object, database, … You can even use Cloudflare for CDN. Smush.it A plugin for smashing (compressing) you pictures to the minimum size, but witouth loose of quality. WP Socializer Social networking integrated […]

  • Vigor, SSTP and VPN

    The Windows integrated SSTP (Secure Socket Tunneling Protocol) is till today supported only by DrayTek Vigor models 2950 and 2930. The DrayTek team is of the opinion that the fastest VPN of all is achieved by using IPSec with certificates.

  • #1093 You can not specify target table comments for update in FROM clause

    When I try to run update query for my table “comments”, MySQL returns the #1093 – You can’t specify target table ‘comments’ for update in FROM clause message. My contrived table structure and update query are as follow: Actually, your above update query seems illegal as per SQL standard. MySQL does not allow to UPDATE […]

  • Mysql – Restore only one database from sqldump

    Restoring the whole mysql dump is easy. Either use phpMyAdmin(if the file is not too big) or do it from the console. I had a hard time finding it how to restore only one database from the sqldump of all databases.