would you please advise how to get the substring 'IMSVC' from the sting '2023-02 CB-IMSVC.xlsx'?

可以使用字符串截取函数，例如在 C 语言中可以使用 strncpy 函数，具体代码如下：

char str[] = "2023-02 CB-IMSVC.xlsx";
char sub[] = "IMSVC";
char result[6];
int start = strstr(str, sub) - str;
strncpy(result, str + start, 5);
result[5] = '\';
printf("%s", result);

输出结果为：IMSVC

相关问题

The "podman" driver should not be used with root privileges. If you wish to continue as root, use --force.

The error message "The 'podman' driver should not be used with root privileges. If you wish to continue as root, use --force." indicates that you are trying to use the "podman" driver with root privileges, which is not recommended for security reasons.

To proceed with running Podman as root, you can use the `--force` flag to override the warning. However, it's important to note that running container operations as root can pose security risks as any potential vulnerabilities in the containers or Podman itself may have a greater impact on the system.

If you still want to continue running Podman as root, you can append the `--force` flag to the Podman command. For example:

sudo podman --force <command>

Replace `<command>` with the actual Podman command you want to run.

Alternatively, it's generally recommended to use Podman as a regular user without root privileges. By default, Podman uses user namespaces and does not require root access for most operations. This helps improve security by isolating container operations from the host system.

I would advise considering whether running Podman as root is necessary for your use case and evaluating the associated risks. If possible, using Podman as a regular user is recommended.

If you have any further questions, feel free to ask.

FutureWarning: `rcond` parameter will change to the default of machine precision times ``max(M, N)`` where M and N are the input matrix dimensions. To use the future default and silence this warning we advise to pass `rcond=None`, to keep using the old, explicitly pass `rcond=-1`.怎么解决这个问题

这个警告是由于使用了 `numpy.linalg.lstsq` 函数，该函数中的 `rcond` 参数默认为 `None`，但是在未来的版本中，该参数会被改为 `rcond=None`，以便使用机器精度乘以输入矩阵维度的最大值作为默认值。为了消除这个警告，可以将 `rcond` 参数显式地设置为 `-1`，或者将其设置为 `None`，以使用未来的默认值。例如：

import numpy as np

# 设置 rcond 参数为 -1，以消除警告
np.linalg.lstsq(a, b, rcond=-1)

# 或者使用 None，以使用未来的默认值
np.linalg.lstsq(a, b, rcond=None)