在顶层窗口root中创建一个滑动条值为0到200的Scale控件,下列正确的是?
A: Scale(root,from =0,to=200)
B: Scale(root,from_=0,to=200)
C: scale(root,from_=0,to=200)
D: scale(root,from =0,to=200)
A: Scale(root,from =0,to=200)
B: Scale(root,from_=0,to=200)
C: scale(root,from_=0,to=200)
D: scale(root,from =0,to=200)
C
举一反三
- root组群的GID是0。
- 【单选题】判断当前账户是否为root账户,可以使用如下()命令。 A. if [ whoami = root ] B. if [[ whoami == root ]] C. if [ `who` = "root" ] D. if [ $UID -ne 0 ]
- 超级用户root的UID为0
- 以下程序代码的输出结果为( )$conn = mysqli_connect('localhost','root','root','test');$result = mysqli_query($conn,'select id,name,sex from user where id=1');$data = mysqli_fetch_array($result);echo $data[0]; A: 1 B: 2 C: 0 D: 空值
- A dynamic welfare gain resulting from the formation of the European Union would be: A: Trade diversion B: Trade craetion C: Diseconomies of scale D: Economies of scale
内容
- 0
有以下程序代码,能正确输出id值的是( )$conn = mysqli_connect('localhost','root','root','test');$result = mysqli_query($conn,'select id,name from user');$data = mysqli_fetch_array($result,MYSQLI_NUM); A: $data['id'] B: $data['name'] C: $data[0] D: $data[1]
- 1
root 未知类型:{'label': 'questionDesc', 'content': '选出单词的同义词', 'isMemberControl': 0, 'type': 181} 未知类型:{'label': 'source', 'content': '粉笔英语独家模拟卷 六级 信息匹配\xa0', 'isMemberControl': 0, 'type': 181} A: come from B: hear from C: prevent from
- 2
Linux系统中,root用户的UID为0
- 3
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- 4
All of the plants now farmed on a large scale were developed from plants ____wild.