## Sort Numpy Array in Descending Order – A Simple Guide – NumPy Tutorial

We can not sort a numpy array in descending order directly. In this tutorial, we will introduce you how to do.

## numpy.flip(): Reverse the Order of Elements in Array – NumPy Tutorial

In this tutorial, we will use some examples to show you how to use numpy.flip() function correctly. There is an important thing you must concern.

## Fix Python pip WARNING: Ignoring invalid distribution -pencv-python – Python Tutorial

When we are using pip to install some python packages, we may find this warning: WARNING: Ignoring invalid distribution. In this tutorial, we will introduce you how to fix it.

## Implement Ranger Optimizer in PyTorch – PyTorch Tutorial

In this tutorial, we will introduce how to implement ranger optimizer in pytorch. There are two ways to implement, we will introduce one by one.

## Understand torch.optim.lr_scheduler.StepLR() with Examples – PyTorch Tutorial

torch.optim.lr_scheduler.StepLR() allows us to change the learning rate when training a model. In this tutorial, we will use some examples to show you how to use it.

## Understand torch.optim.lr_scheduler.CosineAnnealingLR() with Examples – PyTorch Tutorial

In this tutorial, we will use some examples to show you how to use torch.optim.lr_scheduler.CosineAnnealingLR() in pytorch.

## Draw ROC Curve Based on FPR and TPR in Python – Sklearn Tutorial

In order to evaluate the performance of a classification model, we have to draw a roc curve based on fpr and tpr. In this tutorial, we will introduce you how to do.

## Compute AUC Metric Based on FPR and TPR in Python

AUC is an important metric to evaluate the performance of a classification model. In this tutorial, we will introduce you how to compute its value.

## Understand sklearn.metrics.roc_curve() with Examples – Sklearn Tutorial

sklearn.metrics.roc_curve() can allow us to compute receiver operating characteristic (ROC) easily. In this tutorial, we will use some examples to show you how to use it.

## FFmpeg Command to Extract Audio From Video with Mono or Stereo in Python – Python Tutorial

In this tutorial, we will tell you how to use ffmpeg command to etract audio from a video file with mono or stereo in python.