Internship Time: 2016.2.10--2016.2.24Internship Location: Zhongguancun book building, Haidian District, BeijingInternship Report:"One step at a time", for our college students, internship is an important part of life experience, but also an important steps, is the new era of college students to connect theory and practice the most important is the best way, for us to work Post laid a solid foundation.This choice in the Zhongguancun Book Building Internship, is because I once in a freshman time h
the JSP version Duke's bookstore application discussed in the JSP page example to demonstrate these tasks. The rewriting utilizes the advantages of the two tag libraries: struts and tutorial-template. Section 3 of this ChapterExampleTwo tags are described in detail: iterate in strutst and a group of tags in the tutorial-template tag library.
StrutsThe tag Library provides a framework for building an international web application that implements Model
within each other, you can implement complex interactive interactions in your JSP pages.
JSP Page Example
This chapter describes the tasks involved in using and defining labels. This chapter demonstrates these tasks with a rewritten version of the Duke's Bookstore application, which is discussed in the JSP page example, that takes advantage of the advantages of the two tag libraries: struts and tutorial-template. The third section of this chapter pr
Let us first refer to the example of using iterator to simplify the code 2-twoleveliterator, slightly modify the hope can help more immediately, if you do not understand please read the original.Let's look at one more example, we write a program for a bookstore, there are many book books in the bookstore, and there are several books on each bookshelf (bookshelf).The class structure is shown belowclass Book
) Extract output43. The operating system's management of block devices typically uses buffer pool technology.In order to improve the reading and writing efficiency of block equipment, the operating system adopts pre-reading and delay writing technology extensively.44. Disk drive scheduling is the first to move the arm scheduling. And then the rotation schedule.45. Focus: ARM scheduling algorithm!46. 4 types of data structures for device allocation:(1) Device control block (
) Reception output(4) Extract output43. The operating system's management of block devices typically uses buffer pooling technology. In order to improve the reading and writing efficiency of block devices, pre-reading and delay writing techniques are widely used in the operating system.44. Disk drive Scheduling is the first move arm scheduling, and then the rotation scheduling.45. Focus: ARM scheduling algorithm!46. 4 types of data structures for device allocation:(1) Device control block (
Use Python to generate an XML Method Instance. Use python to generate an xml instance.
This example describes how to generate XML using Python. We will share this with you for your reference. The details are as follows:
1. bookstore. py
# Encoding: UTF-8 ''' generates an XML from a blank file in the form of a DOM tree based on a given XML Schema. ''' From xml. dom. minidom import Documentdoc = Document () # create a DOM Document Object
us and the bookstore boss, in order to expect them to get more goods.Although we went to the city of N-line, but I still think it is very interesting. For example, Siping, I think the city is still very good construction. There are also some cities, full streets are grilled quail. In some places there are no buses, no taxis, and on the streets (if that is the main street) only the kind of private van, one money, runs the line. There is even a place w
Using axis, it is very simple to publish a web service. Although the process and relatedCodeLong. I used these software in this post: Axis 1.1, eclipse 2.1, and eclipse Tomcat plug-in 2.2 (sysdeo Tomcat plugin ). The release method is as follows:
The service I want to publish is a library store. The publishing methods include adding books addbook, listbooks, and deletebook. For the sake of simplicity, only one method for adding books is released, because the release of other methods is similar
Description
NodeName
Select all child nodes of this node.
/
Select from the root node.
//
Select the nodes in the document from the current node that matches the selection, regardless of their location.
.
Select the current node.
..
Select the parent node of the current node.
@
Select the attribute.
Some of the common expressions
path expression
results
To back up a database,
Mongorestore-d db/path/to/back_up
For example:
mongodump-d Bookstore-o/data01/db_backup/
This command will dump all of the DB collectionrecover data from a backup folder
Mongorestore-d Bookstore/data01/db_backup/bookstore
Back up or reply to the specified collection onlytake the Statistics table in
to the DSAd. Fill (DS);DS returnreturn DS;}4 use of defined Web services middleware to Access database usageLet's assume a specific scenario for this middleware use:Assuming that there is a private, relatively large bookstore, the owner of the bookstore is a distance from the bookstore, the bookstore and the owner of
Collect data from the Internet
Xmldocument is relatively simple to operate on XML, although sometimes it is not very efficient. The Code is as follows:
It is known that there is an XML file (bookstore. XML) as follows:
1. Insert a
Xmldocument xmldoc = new xmldocument ();
Xmldoc. Load ("Bookstore. xml ");
Xmlnode root = xmldoc. selectsinglenode ("Bookstore");
It is known that there is an XML file (bookstore. XML) as follows:
1. Insert a Xmldocument xmldoc = new xmldocument ();Xmldoc. Load ("Bookstore. xml ");Xmlnode root = xmldoc. selectsinglenode ("Bookstore"); // query Xmlelement xe1 = xmldoc. createelement ("book"); // create a Xe1.setattribute ("genre", "lizan red"); // you can specify the genre attribute of t
It is known that there is an XML file (bookstore. XML) as follows:1. Insert a Xmldocument xmldoc = new xmldocument ();Xmldoc. Load ("Bookstore. xml ");Xmlnode root = xmldoc. selectsinglenode ("Bookstore"); // query Xmlelement xe1 = xmldoc. createelement ("book"); // create a Xe1.setattribute ("genre", "lizan red"); // you can specify the genre attribute of the no
It is known that there is an XML file (bookstore. XML) as follows:
1. Insert a
Xmldocument xmldoc = new xmldocument ();Xmldoc. Load ("Bookstore. xml ");Xmlnode root = xmldoc. selectsinglenode ("Bookstore"); // query Xmlelement xe1 = xmldoc. createelement ("book"); // create a Xe1.setattribute ("genre", "lizan red"); // you can specify the genre attribute of the
It is known that there is an XML file (bookstore. XML) as follows:
1. Insert a Xmldocument xmldoc = new xmldocument ();
Xmldoc. Load ("Bookstore. xml ");
Xmlnode root = xmldoc. selectsinglenode ("Bookstore"); // query Xmlelement xe1 = xmldoc. createelement ("book"); // create a Xe1.setattribute ("genre", "lizan red"); // you can specify the genre attribute of th
In C #, how does one modify, add, delete, and insert XML files?
It is known that there is an XML file (bookstore. XML) as follows:
1. Insert a
Xmldocument xmldoc = new xmldocument ();Xmldoc. Load ("Bookstore. xml ");Xmlnode root = xmldoc. selectsinglenode ("Bookstore"); // query Xmlelement xe1 = xmldoc. createelement ("book"); // create a Xe1.setattribute ("gen
It is known that there is an XML file (bookstore. XML) as follows: 1. Insert a Xmldocument xmldoc = new xmldocument ();
Xmldoc. Load ("Bookstore. xml"); xmlnode root = xmldoc. selectsinglenode ("Bookstore"); // query Xmlelement xe1 = xmldoc. createelement ("book"); // create a Xe1.setattribute ("genre", "lizan red"); // you can specify the genre attribute of the
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