CeccoCQ questions

• Remove non-alphanumerical characters excluding space
• Android LoaderCallback not refresh
• Different SHA1 Hash result between Java and C#
• C# Get user picture (Avatar)
• DLL File for windows 7 64bit
• Keeping a session when using HttpWebRequest
• iOS background process similar to Android AlarmManager
• Fade effect between layouts
• Android Activity singleton
• How to center image in a div horizontally and vertically

CeccoCQ answers