Author: Aly Chiman

Environment: WindowsXP Database: Oracle9i One problem: The first installation of Oracle9i in WindowsXP encountered the following error: You may not have the appropriate permissions to create the directory or disk space, unable to create the directory c: …. ” My c drive 4G space, my God! This is it? After careful analysis, I think the temporary folder path is too long, once through the network installation Oracle8i seemed to come across such a mistake. So…

1. The most common method public enum Suits { Spades, Hearts, Clubs, Diamonds, NumSuits } the public void PrintAllSuits () { foreach (string the name in Enum.GetNames (typeof (Suits))) { System.Console.WriteLine (suit); } } / / Z 2012-2-16 17:49:28 PM IS2120 @ http://www.alychitech.com (2) Extension Methods (more general, more convenient) public static class EnumExtensions { / / /   <Summary> / / / Gets all items for an enum value. / / /   </…

Transfer from: Create an instance of the class before the constructor is executed, if you do not have the initial value given to the member variables, C # compiler default every member variable is initialized to the default value. If the variables are local variables of the method, the compiler will set a value before the variable, the code must give it displayed. “Use of unassigned local variable” error will occur. In other cases, the…

The method steps to create a DLL file in VC Mac Source: Published :2007-11-17 Views: of 2862 passengers Font: [medium and small] Teach you to create a DLL file in VC steps together to learn about, is not very difficult, I believe you will see. Win32 dynamic link library Production steps: (1) the new WIN32 Dynamic-Link Library project, the project called MyDll select A simple DLL project type. (2) The MyDll.h the contents are as…

1, the lookup table for all indexes (including the index name, type, constitute a column): select t. *, i.index_type from user_ind_columns t, user_indexes i where t.index_name = i.index_name and t.table_name = i.table_name and t.table_name = query table 2, the lookup table’s primary key (including name, constitute column): select cu * FROM user_cons_columns the cu user_constraints au where cu.constraint_name = au.constraint_name and au.constraint_type = ‘P’ and au.table_name = table to query 3, the lookup table unique…