在使用MapReduce程序WordCount进行词频统计时,对于文本行“hello hadoop hello world”,经过WordCount程序的Map函数处理后直接输出的中间结果,应该是下面哪种形式: 未知类型:{'options': ['["hello",1,1]、["hadoop",1]和["world",1]', '["hello",2]、["hadoop",1]和["world",1]', '["hello",<1,1]>、["hadoop",1]和["world",1]', '["hello",1]、["hello",1]、["hadoop",1]和["world",1]'], 'type': 102}
在使用MapReduce程序WordCount进行词频统计时,对于文本行“hello hadoop hello world”,经过WordCount程序的Map函数处理后直接输出的中间结果,应该是下面哪种形式: 未知类型:{'options': ['["hello",1,1]、["hadoop",1]和["world",1]', '["hello",2]、["hadoop",1]和["world",1]', '["hello",<1,1]>、["hadoop",1]和["world",1]', '["hello",1]、["hello",1]、["hadoop",1]和["world",1]'], 'type': 102}
下列程序的运行结果是( )。var arr1=[1,2,3,4,5,6];var arr2=["hello","world"];var arr=arr1.concat(arr2);document.write(arr1); A: "hello","world" B: 1,2,3,4,5,6 C: 1,2,3,4,5,6,"hello","world" D: "hello","world",1,2,3,4,5,6
下列程序的运行结果是( )。var arr1=[1,2,3,4,5,6];var arr2=["hello","world"];var arr=arr1.concat(arr2);document.write(arr1); A: "hello","world" B: 1,2,3,4,5,6 C: 1,2,3,4,5,6,"hello","world" D: "hello","world",1,2,3,4,5,6
n________ n. [literal] the world of the dead; hell
n________ n. [literal] the world of the dead; hell
[单选题][br][/br]向页面输出Hello World的正确JavaScript语句是( )。 A: esponse.write("Hello World") B: "Hello World" C: document.write("Hello World") D: ("Hello World")
[单选题][br][/br]向页面输出Hello World的正确JavaScript语句是( )。 A: esponse.write("Hello World") B: "Hello World" C: document.write("Hello World") D: ("Hello World")
已知列表lst=['hello'],则表达式lst+’world’的值是: A: [‘hello’,’world’] B: [‘helloworld’] C: ’helloworld’ D: 报错
已知列表lst=['hello'],则表达式lst+’world’的值是: A: [‘hello’,’world’] B: [‘helloworld’] C: ’helloworld’ D: 报错
如下代码的作用是创建HelloWorld公共类,编写main函数并输出字符串"Hello world!",请补全代码:______ ______ HelloWorld{public static void ______ (______ [] args) {______ .out.println("Hello world!"); }}
如下代码的作用是创建HelloWorld公共类,编写main函数并输出字符串"Hello world!",请补全代码:______ ______ HelloWorld{public static void ______ (______ [] args) {______ .out.println("Hello world!"); }}
有以下程序,程序运行后的输出结果是( ) #include int main() { char str[ ][20]={"One*World", "One*Dream!"}; printf("%s",str[1]); printf("%c\n",*(str[0]+4)); } A: One*Dream!World B: One*World!W C: One One D: OO
有以下程序,程序运行后的输出结果是( ) #include int main() { char str[ ][20]={"One*World", "One*Dream!"}; printf("%s",str[1]); printf("%c\n",*(str[0]+4)); } A: One*Dream!World B: One*World!W C: One One D: OO
执行下列语句后的显示结果是( )world="world"print("hello"+world) A: helloword B: "hello"world C: hello world D: "hello"+world
执行下列语句后的显示结果是( )world="world"print("hello"+world) A: helloword B: "hello"world C: hello world D: "hello"+world
如何使用 PHP 输出 "hello world"?( ) A: "Hello World"; B: echo "Hello World"; C: Document.Write("Hello World"); D: console.log("Hello World");
如何使用 PHP 输出 "hello world"?( ) A: "Hello World"; B: echo "Hello World"; C: Document.Write("Hello World"); D: console.log("Hello World");
执行下列语句后的显示结果是什么? >>> world=”world” >>> print( “hello”+ world) A: helloworld B: “hello”world C: hello world
执行下列语句后的显示结果是什么? >>> world=”world” >>> print( “hello”+ world) A: helloworld B: “hello”world C: hello world