对于下面程序段,不正确的说法是()。 function loadXMLDoc() { var xmlhttp; if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4 && xmlhttp.status==200) { document.getElementById("myDiv").innerHTML=xmlhttp.responseText; } } xmlhttp.open("GET","/ajax/test1.txt",true); xmlhttp.send(); }
对于下面程序段,不正确的说法是()。 function loadXMLDoc() { var xmlhttp; if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4 && xmlhttp.status==200) { document.getElementById("myDiv").innerHTML=xmlhttp.responseText; } } xmlhttp.open("GET","/ajax/test1.txt",true); xmlhttp.send(); }
给定如下Java代码,编译运行的结果是( )。public class Test {public static void main(String[] args) {Map<String, String> map = new HashMap<String, String>();String s = "code";map.put(s, "1");map.put(s, "2");System.out.println(map.size());}} A: 正确运行,输出:1 B: 编译时发生错误 C: 运行时引发异常 D: 正确运行,输出:2
给定如下Java代码,编译运行的结果是( )。public class Test {public static void main(String[] args) {Map<String, String> map = new HashMap<String, String>();String s = "code";map.put(s, "1");map.put(s, "2");System.out.println(map.size());}} A: 正确运行,输出:1 B: 编译时发生错误 C: 运行时引发异常 D: 正确运行,输出:2
Maplesim’s code generation can not generate ()。 A: C code B: Java code C: Html code D: MATLAB code
Maplesim’s code generation can not generate ()。 A: C code B: Java code C: Html code D: MATLAB code
<strong>语句<code>printf("%d",1/3);</code>输出为<code>0.33。</code></strong>
<strong>语句<code>printf("%d",1/3);</code>输出为<code>0.33。</code></strong>
目前较常用的QR Code, PDF417, Code One,Code 49, Code 16K等,是属于
目前较常用的QR Code, PDF417, Code One,Code 49, Code 16K等,是属于
In minicomputers and microcomputers, the most commonly used English alphabet and character coding is ( ). A: BCD code B: Hexadecimal C: ASCII code D: Complement code E: GB location code F: Font code G: Check code
In minicomputers and microcomputers, the most commonly used English alphabet and character coding is ( ). A: BCD code B: Hexadecimal C: ASCII code D: Complement code E: GB location code F: Font code G: Check code
Analyze the following code: Code 1: int number = 45; bool even; if (number % 2 == 0) even = true; else even = false; Code 2: int number = 45; bool even = (number % 2 == 0); A: Code 1 has compile errors. B: Code 2 has compile errors. C: Both Code 1 and Code 2 have compile errors. D: Both Code 1 and Code 2 are correct, but Code 2 is better.
Analyze the following code: Code 1: int number = 45; bool even; if (number % 2 == 0) even = true; else even = false; Code 2: int number = 45; bool even = (number % 2 == 0); A: Code 1 has compile errors. B: Code 2 has compile errors. C: Both Code 1 and Code 2 have compile errors. D: Both Code 1 and Code 2 are correct, but Code 2 is better.
危险货物集装箱装运时,应查阅()。 A: IMDG Code B: IMSBC Code C: IBC Code D: IGC Code
危险货物集装箱装运时,应查阅()。 A: IMDG Code B: IMSBC Code C: IBC Code D: IGC Code
Word中插入数学公式的方法是()。 A: "插入"→"形状"→"公式" B: "开发工具"→"公式" C: "插入"→"公式"→"插入新公式" D: "引用"→"插入"→"公式"
Word中插入数学公式的方法是()。 A: "插入"→"形状"→"公式" B: "开发工具"→"公式" C: "插入"→"公式"→"插入新公式" D: "引用"→"插入"→"公式"
载驳船装运包装危险货物时,应查阅 。 A: 《IMSBC Code》 B: 《IBC Code》 C: 《IGC Code》 D: 《IMDG Code》
载驳船装运包装危险货物时,应查阅 。 A: 《IMSBC Code》 B: 《IBC Code》 C: 《IGC Code》 D: 《IMDG Code》