已知有如下的Filter配置信息:<filter><display-name>MyFilter</display-name><filter-name>MyFilter</filter-name><filter-class>cn.itcast.chapter04.filter.MyFilter</filter-class></filter><filter-mapping><filter-name>MyFilter</filter-name><url-pattern> /* </url-pattern></filter-mapping>则关于该配置的描述,正确的是( ) A: 该Filter的配置名称是 MyFilter B: 该Filter可以过滤所有用户的请求 C: URL请求http://localhost:8080/chapter04/login.action将会被拦截 D: 该Filter类的全名称是 cn.itcast.chapter04.filter.MyFilter
已知有如下的Filter配置信息:<filter><display-name>MyFilter</display-name><filter-name>MyFilter</filter-name><filter-class>cn.itcast.chapter04.filter.MyFilter</filter-class></filter><filter-mapping><filter-name>MyFilter</filter-name><url-pattern> /* </url-pattern></filter-mapping>则关于该配置的描述,正确的是( ) A: 该Filter的配置名称是 MyFilter B: 该Filter可以过滤所有用户的请求 C: URL请求http://localhost:8080/chapter04/login.action将会被拦截 D: 该Filter类的全名称是 cn.itcast.chapter04.filter.MyFilter
下列删除itcast数据库的sql语句中,正确的是( )。 A: DROP TABLE itcast; B: DELETE DATABASE itcast; C: DROP DATABASE itcast; D: DELETE FROM DATABASE itcast;
下列删除itcast数据库的sql语句中,正确的是( )。 A: DROP TABLE itcast; B: DELETE DATABASE itcast; C: DROP DATABASE itcast; D: DELETE FROM DATABASE itcast;
下面选项中,哪个可以正确创建一个名称为itcast的数据库? A: CREATE BASE itcast; B: CREATE DATABASE itcast; C: Alter DATABASE itcast; D: CREATE TABLE itcast;
下面选项中,哪个可以正确创建一个名称为itcast的数据库? A: CREATE BASE itcast; B: CREATE DATABASE itcast; C: Alter DATABASE itcast; D: CREATE TABLE itcast;
下面选项中,用于查看itcast数据库具体信息的是( )。 A: SHOW DATABASES `itcast` B: SHOW DATABASE `itcast` C: SHOW CREATE DATABASE `itcast` D: SHOW CREATE DATABASE `itcast`\G
下面选项中,用于查看itcast数据库具体信息的是( )。 A: SHOW DATABASES `itcast` B: SHOW DATABASE `itcast` C: SHOW CREATE DATABASE `itcast` D: SHOW CREATE DATABASE `itcast`\G
下面选项中,用于查看名为itcast数据库具体信息的是() A: SHOW DATABASES itcast; B: CREATE DATABASE itcast; C: SHOW CREATE DATABASE itcast; D: SHOW DATABASES;
下面选项中,用于查看名为itcast数据库具体信息的是() A: SHOW DATABASES itcast; B: CREATE DATABASE itcast; C: SHOW CREATE DATABASE itcast; D: SHOW DATABASES;
下列命令中,用于运行爬虫的是( )。 A: scrapy startproject mySpider B: scrapy genspider itcast "itcast.cn" C: scrapy crawl itcast D: scrapy crawl itcast -o teachers.json
下列命令中,用于运行爬虫的是( )。 A: scrapy startproject mySpider B: scrapy genspider itcast "itcast.cn" C: scrapy crawl itcast D: scrapy crawl itcast -o teachers.json
在MySql命令中,用于切换到itcast数据库的命令是“use itcast”或“u test”
在MySql命令中,用于切换到itcast数据库的命令是“use itcast”或“u test”
What kind of filter is used to extract a single-freq. harmonic from the harmonic components contained in square wave? A: Low-pass Filter B: High-pass Filter C: Band-pass Filter D: Band-elimination Filter
What kind of filter is used to extract a single-freq. harmonic from the harmonic components contained in square wave? A: Low-pass Filter B: High-pass Filter C: Band-pass Filter D: Band-elimination Filter
We can employ the next filters to detect edges from an image: A: Roberts filter B: Sobel filter C: mean filter D: Gaussian filter
We can employ the next filters to detect edges from an image: A: Roberts filter B: Sobel filter C: mean filter D: Gaussian filter
使用以下正则表达式匹配字符串“itcast”的结果是。[a][c]() A: ac B: ca C: itcast D: 没有匹配结果
使用以下正则表达式匹配字符串“itcast”的结果是。[a][c]() A: ac B: ca C: itcast D: 没有匹配结果