36 stratagems

. 2.2-k display all indexes in the specified tableThis option displays two parts, one is the table structure of the specified table, and the second is the current index information for the specified table. The following is the user table displayed under MySQL library. -- the following SQL statement shows the same function as above, querying the user table under the MySQL library, one for the field information, and two for the index information Full from MySQL. 'user' INDEXfrom mysql.

); + } - LongEndtime =System.currenttimemillis (); $SYSTEM.OUT.PRINTLN ("program takes Time:" + (Endtime-starttime)/1000 + "seconds!! "); $ } -}2.2, using Preparedstatement.addbatch () method to achieve the advantages and disadvantages of batch processingUsing Preparedstatement.addbatch () to implement batch processingAdvantage: The post-compilation SQL statement is sent with high execution efficiency.Disadvantage: You can only apply in batches that have the same SQL statemen

Java.sql.ResultSet; 6 Import Me.gacl.utils.JdbcUtils; 7 Import Org.junit.Test; 8 9/**10 * @ClassName: JDBCBATCHHANDLEBYSTATEMENT11 * @Description: Implementing JDBC Batch operations with Preparestatement * @author: Aloof Wolf 13 * @date: 2014-9-20 PM 10:05:4514 *15 * * * public class Jdbcbatchhandlebypreparestatement {@Test19 public void Testjdbcbatchhandlebypreparestatement () {Long starttime = System.currenttimemillis (); Connection Conn = null;22 PreparedStatement st = null;23 ResultSet rs

31st: Empty unused objects In C ++, after an object is destroyed, you must set the pointer to null. Otherwise, a wild pointer will appear. It is best to write it as below. After the delete operation, it is immediately set to null, delete

Import subprocess1. Execute system commandsSubprocess.call (' ipconfig ')#shell =false, the stitching command is written separately, placed in the list, equal to True, can write a piece, space separatedExample:Subprocess.call ([' ls ', '-l

File processing: File processing includes reading files, writing filesRead the file:1. Open File2. Read the file3. Close the fileWrite file:1. Open File2. Write as File3. Close the fileWhether to read files or write files, you need to open the file,

Reverse pairs in an array: an alternative application of merge ordering Inverse pairs in an array: Given an array, if the previous number in the two digits is greater than the one in the back, then it is called a reverse pair, and all the reverse

Brother Outing Problem time limit: 3000 ms | Memory limit: 65535 KB Difficulty: 2 Describe the two brothers cycling outing, the younger brother first set out, every minute x meters, m minutes after the brother with a dog to start. To the speed of Y

directives in the tag file Tag file and JSP are very similar, there are different, the main difference in directives. JSP's directive has include,taglib and page, but tag has include and taglib, no page, and also provides Tag,tag replaces page in

In the spring and Autumn Period, the state of Jin wanted to annex the neighboring two small countries: Specter and Guo, but long to attack. Minister Shing to buy Yu country monarch, and make trouble cutting Guo. Jin Requirements Ching transiting Guo,

Longest common sub-sequenceTime limit: Ms | Memory limit: 65535 KB Difficulty: 3 Description Let's not beat around the bush, title, all you need to do is write a program that will draw the longest common subsequence. Tip: The longest common

Ideas Reference: Introduction to Algorithms P222 or click to open the link Maximum common sub-sequence time limit: Ms | Memory limit: 65535 KB Difficulty: 3 Description Let's not beat around the bush, title, all you need to do is write a program

Overall layout and before a great change, is the left side is a list of columns, now the column list moved to the top, click the Drop-down button to view the category column. I feel very uncomfortable with the new version of the style I used

The array parameter belongs to the pointer parameter. Pointer parameter immediate address parameter (or reference parameter), this is the only way to modify the value of a parameter in a function. If you take an array as an argument, whether you

8.0 New Porcelain Stickers: Fliptile, Cycletile, Iconictile Introduced Distinctive Windows Phone 8.0 's new porcelain sticker Fliptiledata-Flip porcelain paste. Inherited the standardtiledata of the WP7 era. Cycletiledata-Circular Porcelain

As mentioned above, the Qt container class provides two traversal devices: Java and STL. The former is relatively easy to use, while the latter can be used in some algorithms with powerful functions. For each container class, there is a

A class is a structure that encapsulates data members, function members, and other classes. The class is the template that creates the object. All statements in C # must reside within the class. Therefore, classes are the core and basic

Abstract: Lao Tzu's philosophy, ethics, software philosophy, and software:CollationEliminate WolfTop 10 software propositionsProgramming rules SAGE:You will have to fix it. Weak desires will be fixed. Will waste, will survive. It will be desired,

  // Define a fruitVaR num: Number = 20;VaR number: Number = 0;_ Root. applemark = 0; // mark the apple score_ Root. orangemark = 0; // mark the orange score Function creatorange (){Name = "orange" + num;Attachmovie ("orange", name, num );_ Root

Are you thinking about doing your own class-specific memory management, or even replacing C ++'s GlobalNewAndDelete? First, try this problem on for size. The following code shows classes that perform their own memory management. Point out as your