Drow Ranger
时间: 2023-11-01 20:08:42 浏览: 52
Drow Ranger is a ranged agility hero in the popular online game Dota 2. She is known for her ability to deal massive physical damage from a distance, making her a formidable opponent in team fights and one-on-one battles. Her abilities include Frost Arrows, which slows enemies and deals bonus damage, Gust, which silences and pushes back enemies, Precision Aura, which grants bonus damage to nearby allied ranged heroes, and her ultimate Marksmanship, which increases her agility and grants bonus damage while disabling her Precision Aura. Drow Ranger is often played as a carry, meaning she focuses on farming gold and experience to become stronger and deal more damage later in the game.
相关问题
drow.io跨域保存
您好!关于您的问题,drow.io跨域保存的实现方式有多种,其中一种常用的方式是利用后端代理来实现跨域保存。具体实现方法如下:
1. 在drow.io中设置保存操作的请求地址为后端代理地址,如: http://example.com/save。
2. 后端代理接收到请求之后,将请求转发到drow.io的保存接口,并在响应中添加允许跨域请求的HTTP头部信息,如: Access-Control-Allow-Origin: *。
3. 当浏览器发起保存请求时,由于后端代理添加了允许跨域请求的HTTP头部信息,因此浏览器允许跨域访问,并且可以正常保存文件。
希望以上内容可以帮助您解决问题,如还有其他问题,欢迎继续提问!
$drow = $query->fetch_assoc();Fatal error: Uncaught Error: Call to a member function fetch_assoc() on bool
这个错误通常表示查询失败,返回的是一个布尔值 false 而不是结果集对象。有几种可能的原因:
1. SQL 查询语句有误,无法正确执行;
2. 没有建立有效的数据库连接;
3. 查询语句执行时发生了错误,比如表不存在、字段名错误等;
4. 查询语句执行成功,但是没有符合条件的结果。
你可以尝试打印出 SQL 语句和错误信息,检查语句是否正确、连接是否有效,以及是否存在错误。例如:
```php
$query = $mysqli->query("SELECT * FROM my_table");
if ($query === false) {
echo "Error: " . $mysqli->error;
} else {
$drow = $query->fetch_assoc();
// do something with $drow
}
```