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: $data[1]
有以下程序代码,能正确输出id值的是( )$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: $data[1]
有以下程序代码,其中能输出name的是( )$conn = mysqli_connect('localhost','root','root','test');$result = mysqli_query($conn,'select id,name,sex from user where id=1');$data = mysqli_fetch_row($result); A: $data[1] B: $data[0] C: $data->name D: $data['name']
有以下程序代码,其中能输出name的是( )$conn = mysqli_connect('localhost','root','root','test');$result = mysqli_query($conn,'select id,name,sex from user where id=1');$data = mysqli_fetch_row($result); A: $data[1] B: $data[0] C: $data->name D: $data['name']
7.如果有下面的定义和赋值,则使用【 】不可以输出n中data的值。struct SNode{ unsigned id; int data;}n,*p;p=&n; A: A) p.data B: B) n.data C: C) p->data D: D) (*p).data
7.如果有下面的定义和赋值,则使用【 】不可以输出n中data的值。struct SNode{ unsigned id; int data;}n,*p;p=&n; A: A) p.data B: B) n.data C: C) p->data D: D) (*p).data
输入哪条命令可以看到以下信息?() LS DataBase Type :Router Ls id :10.1.2.2 Ady rtr :1050 Len :72 Seq# :80000008 Cksum (DC) Area Border Router Link count 4 Link id :192.168.2.1 Data :255.255.255.255 Metric:1562 Link id :10.1.2.2 Data :10.1.3.1 Type :Router Metric :1562 Link id :10.1.3.2 Data :255.255.255.255 Type :StubNet Metric :1562 A: show ip route B: show ip ospf isa C: show ip ospf database D: show ip ospf interface
输入哪条命令可以看到以下信息?() LS DataBase Type :Router Ls id :10.1.2.2 Ady rtr :1050 Len :72 Seq# :80000008 Cksum (DC) Area Border Router Link count 4 Link id :192.168.2.1 Data :255.255.255.255 Metric:1562 Link id :10.1.2.2 Data :10.1.3.1 Type :Router Metric :1562 Link id :10.1.3.2 Data :255.255.255.255 Type :StubNet Metric :1562 A: show ip route B: show ip ospf isa C: show ip ospf database D: show ip ospf interface
以下程序代码实现的功能是( )$conn = mysqli_connect('localhost','root','root','test');$result = mysqli_query($conn,'select id,name from user');$data = mysqli_fetch_all($result,MYSQLI_ASSOC);foreach ($data as $v){ if($v['id'] == 5){ echo $v['name']; }} A: 输出所用用户的name B: 输出第一位用户的name C: 输出id=5的用户的name D: 输出id不为5的用户的name
以下程序代码实现的功能是( )$conn = mysqli_connect('localhost','root','root','test');$result = mysqli_query($conn,'select id,name from user');$data = mysqli_fetch_all($result,MYSQLI_ASSOC);foreach ($data as $v){ if($v['id'] == 5){ echo $v['name']; }} A: 输出所用用户的name B: 输出第一位用户的name C: 输出id=5的用户的name D: 输出id不为5的用户的name
中国大学MOOC: 7.如果有下面的定义和赋值,则使用【 】不可以输出n中data的值。struct SNode{ unsigned id; int data;}n,*p;p=&n;
中国大学MOOC: 7.如果有下面的定义和赋值,则使用【 】不可以输出n中data的值。struct SNode{ unsigned id; int data;}n,*p;p=&n;
输入哪条命令可以看到以下信息______ LS DataBase Type :Router Ls id :10.1.2.2 A: Ady rtr :1050 B: Len :72 C: Seq# :80000008 D: Cksum (DC) Area Border Router E: Link count 4 F: Link id :192.168.2.1 G: Data :255.255.255.255 H: Metric:1562 I: Link id :10.1.2.2 J: Data :10.1.3.1 K: Type :Router L: Metric :1562 M: Link id :10.1.3.2 N: Data :255.255.255.255 O: Type :StubNet P: Metric :1562 A.show ip route Q: show ip ospf isa R: show ip ospf database S: show ip ospf interface
输入哪条命令可以看到以下信息______ LS DataBase Type :Router Ls id :10.1.2.2 A: Ady rtr :1050 B: Len :72 C: Seq# :80000008 D: Cksum (DC) Area Border Router E: Link count 4 F: Link id :192.168.2.1 G: Data :255.255.255.255 H: Metric:1562 I: Link id :10.1.2.2 J: Data :10.1.3.1 K: Type :Router L: Metric :1562 M: Link id :10.1.3.2 N: Data :255.255.255.255 O: Type :StubNet P: Metric :1562 A.show ip route Q: show ip ospf isa R: show ip ospf database S: show ip ospf interface
智慧职教: 催眠药应在<button contenteditable='false' class='fillbox' style='padding:2px;' data-id='1'>[填空(1)]</button> 服用,助消化药物需要<button contenteditable='false' class='fillbox' style='padding:2px;' data-id='2'>[填空(2)]</button> 或<button contenteditable='false' class='fillbox' style='padding:2px;' data-id='3'>[填空(3)]</button> 服,驱肠虫药宜在<button contenteditable='false' class='fillbox' style='padding:2px;' data-id='4'>[填空(4)]</button> 或<button contenteditable='false' class='fillbox' style='padding:2px;' data-id='5'>[填空(5)]</button> 时服用,对胃肠道有刺激性的药物宜在<button contenteditable='false' class='fillbox' style='padding:2px;' data-id='6'>[填空(6)]</button> 服用。
智慧职教: 催眠药应在<button contenteditable='false' class='fillbox' style='padding:2px;' data-id='1'>[填空(1)]</button> 服用,助消化药物需要<button contenteditable='false' class='fillbox' style='padding:2px;' data-id='2'>[填空(2)]</button> 或<button contenteditable='false' class='fillbox' style='padding:2px;' data-id='3'>[填空(3)]</button> 服,驱肠虫药宜在<button contenteditable='false' class='fillbox' style='padding:2px;' data-id='4'>[填空(4)]</button> 或<button contenteditable='false' class='fillbox' style='padding:2px;' data-id='5'>[填空(5)]</button> 时服用,对胃肠道有刺激性的药物宜在<button contenteditable='false' class='fillbox' style='padding:2px;' data-id='6'>[填空(6)]</button> 服用。
下面哪个属性可以设置组件的唯一标识? A: android:name B: android:data C: android:id D: android:type
下面哪个属性可以设置组件的唯一标识? A: android:name B: android:data C: android:id D: android:type
Spring Data JPA映射实体类上,@Id注解用于标注在类属性或者【】上,用来表示某一个属性对应表中的主键。
Spring Data JPA映射实体类上,@Id注解用于标注在类属性或者【】上,用来表示某一个属性对应表中的主键。