小编hit*_*ton的帖子

我正在尝试绘制具有多个图层的地图。但是，当选择我想要在 controlLayer 面板中显示的组时，它会更改地图，但不会更改图例。事实上，这两个图例总是一起显示在地图上，但我一次只想要其中一个。

这是我使用的代码：

leaflet(data) %>%\n  addProviderTiles("Esri.WorldStreetMap") %>%\n  addRasterImage(r, opacity = 1, colors = cb, group = "Predictions") %>%\n  addLegend(pal = cb, values = wind_speed_range, title = "Wind Speed", opacity = 1, group = "Predictions", position = "topright") %>%\n  addCircles(radius = ~ residual*7000, color = "black", fillColor = ~ cb(predictions), fillOpacity = 1, label = ~ paste(as.character(residual), " / ", as.character(vitesse_vent), " / ", as.character(predictions)), weight = 2, group = "Predictions") %>%\n  addRasterImage(raster_difference, opacity = 1, colors = …

我正在尝试在运行 Amazon Linux 2023 AMI 的 Amazon EC2 实例上安装 mysqlclient Python 包。

当我运行时pip install mysqlclient，我收到以下错误消息：

Collecting mysqlclient==2.1.0\n  Downloading mysqlclient-2.1.0.tar.gz (87 kB)\n     \xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81\xe2\x94\x81 87.6/87.6 kB 17.2 MB/s eta 0:00:00\n  Preparing metadata (setup.py) ... error\n  error: subprocess-exited-with-error\n\n  \xc3\x97 python setup.py egg_info did not run successfully.\n  \xe2\x94\x82 exit code: 1\n  \xe2\x95\xb0\xe2\x94\x80> [16 lines of output]\n      /bin/sh: line 1: mysql_config: command not found\n      /bin/sh: line 1: mariadb_config: command not found\n      /bin/sh: line 1: mysql_config: command not found\n      Traceback (most recent …