我正面临一个问题,那就是当我滚动列表并且我不知道该怎么做时,它会消失在listview中检查的项目.
这是我的自定义适配器代码:
public class SPCKontrola extends Activity {
ArrayList<Integer> yourSelectedItems= new ArrayList<Integer>();
@Override
public void onResume() {
super.onResume();
yourSelectedItems.clear();
}
}
public class SPCMjereAdapter extends BaseAdapter
{
private Context context;
public SPCMjereAdapter(Context c)
{
context = c;
}
public int getCount() {
return MyArrList.size();
}
public Object getItem(int position) {
return position;
}
public long getItemId(int position) {
return position;
}
public View getView(final int position, View convertView, ViewGroup parent) {
LayoutInflater inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
if (convertView == …Run Code Online (Sandbox Code Playgroud) 我有这样的对象列表:
+-------------+------------+---------------------+
| ID | Value | Snapshot |
+-------------+------------+---------------------+
| 1 | 1 | 2019-03-07 20:00:04 |
| 2 | 2 | 2019-03-07 20:01:15 |
| 3 | 1 | 2019-03-07 20:01:23 |
| 4 | 3 | 2019-03-07 20:01:45 |
| 5 | 5 | 2019-03-07 20:02:10 |
| 6 | 7 | 2019-03-07 20:02:45 |
| 7 | 1 | 2019-03-07 20:03:10 |
| 8 | 0 | 2019-03-07 20:04:30 |
+-------------+------------+---------------------+
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如何只选择每分钟或每小时的记录...
结果应该是这样的:
+-------------+------------+---------------------+
| ID …Run Code Online (Sandbox Code Playgroud) 我有两个表:
T1
A
B
C
D
T2
A
B
E
F
G
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现在,我想要查询将合并这两个表但排除相同记录的查询。输出表应类似于:
T1T2
C
D
E
F
G
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怎么做?
我在表单上放了两个复选框.如果用户设置check1复选框而不是复选checkbox2,反之亦然.
chRISING0 = new JCheckBox("RISING");
chRISING0.addItemListener(new ItemListener() {
public void itemStateChanged(ItemEvent e) {
chFR0.setSelected(false);
}
});
chRISING0.setFont(new Font("Tahoma", Font.PLAIN, 9));
chRISING0.setBounds(42, 15, 84, 23);
pnlOUT1.add(chRISING0);
chFR0 = new JCheckBox(fpp.loadLanguage("chFR0"));
chFR0.setFont(new Font("Tahoma", Font.PLAIN, 9));
chFR0.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent e) {
chRISING0.setSelected(false);
}
});
chFR0.setBounds(42, 35, 67, 23);
pnlOUT1.add(chFR0);
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当我检查chRISING0并在chFR0上移动鼠标时,会发生奇怪的问题.比chRISING0取消选中,即使我没有按下chFR0.为什么?我做错了什么?
这是我的 PHP 脚本:
<?php
function myFunc($param1)
{
echo $param1;
}
if(isset($_GET['action'])){
if(function_exists($_GET['action'])) {
$_GET['action']();
}
}
?>
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现在我想从其他 php 调用这个函数并传递参数:
如何通过url向myFunc传递参数?