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Data export Excel files in the Asp.net|excel DataTable Export data from a DataTable to a specified Excel file web Page object DataTable object containing exported data excel file name public static void Export (System.Web.UI.Page

Objective: This paper compares Arrayblockingqueue and linkedblockingqueue by analyzing the JDK source code, so that it can be used flexibly later.1. In the Java concurrent package, a blocking queue Blockingqueue is added for multithreaded

Refer to the previous data, wrote a common serial port class,String send types are used in two ways, char[] and byte[];The data receive also uses two kinds of char[] and byte[] two kinds.The class code is pasted out: Public classSerialportmanager

This article provides a graphic explanation of the python exception handling method. python provides two very important functions to handle exceptions and errors in the running of python programs. You can use this function to debug python programs.

I. Hands-on Brain run Aboutexception.java example to learn the basics of implementing exception handling in Java.1) Source CodeImportjavax.swing.*;classaboutexception { Public Static voidMain (string[] a) {DoubleI=-1, j=0, K; K=i/J; Try{k=

1. Read and run the Aboutexception.java sample, and then follow the next few pages to learn the basics of implementing exception handling in Java.Importjavax.swing.*;classaboutexception { Public Static voidMain (string[] a) {intI=1, j=0, K; K=i/J;

I. Hands-on Brain run Aboutexception.java example1) Source CodeImport Javax.swing.*;class aboutexception {public static void Main (string[] a) { double i=-1, j=0, K; k=i/j; Try { k = i/j; Causes Division-by-zero

I. Hands-on Brain run Aboutexception.java example to learn the basics of implementing exception handling in Java.1) Source CodeImportjavax.swing.*;classaboutexception { Public Static voidMain (string[] a) {DoubleI=-1, j=0, K; K=i/J; Try{k=

Catchwho.javaSource:public class Catchwho {public static void Main (string[] args) {try {try {throw new ArrayIndexOutOfBoundsException (); the problem to be addressed}catch (ArrayIndexOutOfBoundsException e) {System.out.println

(1) You can use the instanceof operator to determine whether an object can be converted to the specified type:See example : Testinstanceof.javapublic class Testinstanceof{public static void Main (string[] args){when declaring Hello , use the object

Exploration of server template injection in Flask/Jinja2 (1) If you haven't heard of SSTI (server-side template injection) or do not know enough about it, we suggest you read an article written by James Kettle before that.As a professional security

A fan of the Fedora community recently showed the effect of running Fedora21ARM on a big screen smartphone. If you are interested and willing to make a try, try again. This enthusiast has implemented the SonyXperiaZUltra operation. More large

SQL Server 2000 and SQL Server ce2.0 use sqlceremotedataaccess to synchronize data I have installed SQL Server 2000 and SQL Server ce2.0, and then I will install patches for these two, the patches I installed are: microsoft_sql2ksp4chs1.exeand

Ajax is not a technology, but an interactive Web operation mode. At the same time, Ajax is not something new in the past two years, because all components that implement Ajax applications have been in our browser for several years. The following

Some exceptions may occur during program execution, which may exist. For example, when you read a file, the file does not exist. In this case, we can handle exceptions.1. Error Let's do a simple test. We intentionally write the print method into the

Various file operations are performed in Program It is very common in design. If you can know all these operations well, you can find the best solution based on the actual situation, so that you can write efficient Code . This article provides a

1. File SearchWhen operating on a file, if you do not know whether the file exists, you must first find it. There is a class cfilefind specifically used for file search in MFC, which can be used to conveniently and quickly find files. The following

Try {//... Try block...} Finally {//... Finally block...}Try {//... Try block...}Catch (Error[: Errortype1])//... Catch Block...}[Catch (Error[: Errortypen]) {//... Catch Block...}][Finally {//... Finally block...}] Contains a code block. If an

Installation and configuration of sqlce + PDA + SQL2000 In practice over the past few days, it is really necessary to write something out and record your own experience, so that you will not be able to forget the issues of classes in the future.

It is more convenient to use filechannel/**Copy files, using two techniques, FileChannels and streams.Using FileChannels is usually faster than using streams.*/Public final class CopyFiles { /* Change these settings before running this class .*/ /**