The content of the XML file is as follows (the name is "teacher.xml") zhangsan 1912000 lisi 23 8000 Code for using PULL to parse XML files: import java .io.FileReader; import java.io.IOException; import java.util.ArrayList; import java.util.List; import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlPullParserException; i
1. Sample code sharing of the loop process when using PULL to parse XML files
##Introduction: If eventType is not equal to XmlPullParser.END_DOCUMENT, proceed to the next cycle. There are 11 eventType values here, but only the first 5 are used.
2. Why does php report a memory overflow after running for a while?
Introduction: I read 100,000 pieces of data from the database at one time, and then did some calculations in a loop. During the loop, the variables involved will be overwritten by the next loop. The current situation is that after the program has been running for a period of time, it reports a memory overflow. Why doesn't it report a memory overflow at the beginning? According to my understanding...
3. The most common questions asked by php learners
Introduction: php The most common problems for learners What kind of problems do PHP beginners often encounter? ------Solution--------------------This varies from person to person and I cannot give you an exact answer. Only by experiencing it yourself can you find out what the problem is. ------Solution--------------------At the beginning of learning, it was a cyclical process of discovering and solving problems ------Solution- ---------
4. Obtain WeChat user information in batches, request the WeChat url link multiple times in the loop, and the access_token it brings is invalid
Introduction: When obtaining tens of thousands of WeChat messages, the access_token obtained from the WeChat link is requested multiple times in a loop, but an error like this occurs during the running process {"errcode" :40001,"errmsg":"invalid credential, access_token is invalid or not latest"}, during the loop...
5. javascript loop variable registration dom event Powerful closure_javascript skills
Introduction: This is changed during the loop process, and the registered events are also changed accordingly. I found a solution
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