Share your useful tips about programming languages

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To help the user find helpful programming tips, your tips will be reviewed before they are published.  Thank you very much.

    This website intents to provide free and high quality tutorials, examples, exercises and solutions, questions and answers of programming and scripting languages:
    C, C++, C#, Java, VB.NET, Python, VBA,PHP & Mysql, SQL, JSP, ASP.NET,HTML, CSS, JQuery, JavaScript and other applications such as MS Excel, MS Access, and MS Word. However, we don't guarantee all things of the web are accurate. If you find any error, please report it then we will take actions to correct it as soon as possible.