Error: Cannot retrieve repository metadata (repomd.xml) for repository: fedora. Please verify its path and try againبرای اینکار باید فایل های /etc/yum.repos.d/fedora.repo و /etc/yum.repos.d/fedora-updates.repo را تغییر دهید ابتدا علامت #  را از جلوی baseurl برداشته و به جلوی mirrorlist منتقل نمایید سپس خطوط زیر را به فایل /etc/hosts اضافه نمایید:80.239.156.215          mirrors.fedoraproject.org213.129.242.84         ... [Read More]

اجرای مرورگر فایل :$su -#nautilus

This program is a simple calculator with a math parser class which is written in c# .here is the code or this is another link to download.and recently I submitted the code here. [Read More]

here is the c# code which really helps you.

this application was written in Farsi language.here is the C# code plus its compiled files.I used access database.here is the screenshots: [Read More]