Python dict data type does not provide default value, which means we can not read a nonexistent key. In this tutorial, we will discuss python defaultdict, it supplies a default value for dict data type.
In many php applications, we should use php curl model to access the remote url. However, if php disable curl, you will fail to access. In this tutorial, we will discuss how to detect php curl is enabled or not.
There are some dfferences between python 2.x and python 3.x. In this tutorial, we will discuss some differences on python string. You should notice these differences when your are using python string.
In python, we can use PyMuPDF to convert pdf page to images, however, the size of image is usually small, how to convert pdf page with given scale? In this tutorial, we will introduce you how to do with examples.
numpy.full() function can allow us to create an array with given shape and value, in this tutorial, we will introduce how to use this function correctly.
In web development, we often use hex color (#ff6600), however, we have to use rgb in may python application. In this tutorial, we will write a python function to convert a hex color to rgb.
Numpy data type is called dtype, in this tutorial, we will list some common used numpy data types, which is much richer than python standard data types.
In this tutorial, we will introduce on how to download files by python 3.x. Here are some problems you should notice, you can read our tutorial and learn how to download files correctly.
Ad Inserter is one of popular wordpress ads management plugins, it can allow us to insert ads in our wordpress posts easily. In this tutorial, we will introduce how to insert only ads before a html element with max insertion number limited.
Calculating the similarity of two sentences is very useful to nlp, however, to get better similarity result, many researchers use deep learning to improve the process. In this tutorial, we will use python difflib library to calculate, which is very simple to beginners.