Programmer Think

Because I don't know much about JAVA, I can't understand Golder's java api basically. At the beginning, I wanted to directly use Golder's web api to set up a Geographical fence , and then make a judgment, but the geofence list is always empty when the last request is made. Bad return value.png Geofence has been created, that ...

Recently, in-depth learning, I borrowed the TensorFlow practical Google in-depth learning framework from the library and looked at it curtly. Recently, Bi set needs to find a PDF version on the Internet and chew it carefully. I found that there are some errors in the code of this book, which need to be slightly modified. Otherwise, ...

Common methods of collection add() adds an element to the collection. If the element already exists in the collection, the method will fail 1 >>> help(set.add) 2 Help on method_descriptor: 3 4 add(...) 5 Add an element to a set. #Add an element to the collection 6 7 This has no effect if the element is already prese ...

note: short code implementation environment: win10,python3Code execution of this article python opens the browser method 1: By referencing the os package, calling the system method to call the system ie program to open the web address The code is as follows: import os os.system('"C:/Program Files/Internet Explorer/iexplore.exe" ...

outline In this article, we introduce several ways to use partial search. The browser search box that we often use, when typing, pops up a drop-down prompt, which is also based on the principle of local search. PrefixQuery In the previous search, terms are the smallest matching unit and the words that exist in the inverted index. Now let's talk ...

I've been exposed to selenium before. There are call interfaces in various languages and browser kernels But we need to build an automatic test library by ourselves for convenience. We can use it when we throw it under our program. We only support window s at present Each kernel browser has its own web debugging protocol Here I use Google's ...

There is a requirement in the project to generate invoice pdf or contract pdf for existing data. These PDFs have some features, that is, pdf has a fixed format, similar to a table, we just need to fill the table with data.Of course, signatures, QR codes and other requirements will also be involved. Over ...

Items were recently written using nodes.The new node asynchronously uses the two keywords async/await.As we all know, these two keywords usually appear in pairs.However, the author finds that await does not need to wait for a return value.So what's the difference between wait plus and no?Baidu and google have a large amount of ...

Summary of python list method List.append() method purpose The append() method is used to add a new object at the end of the list.grammar list.append(obj) parameter obj: the object added to the end of the list. Return value There is no return value for this method, but the original list will be ...

Getting started with tensorflow 2.0 1, What is TensorFlow 2, hello world 3, A simple TensorFlow program 4, Image classification 1. Get Fashion MNIST data set 2. Explore data 3. Processing data 4. Network construction 5. Training and verification 6. forecast 1, What is TensorFlow TensorFlow is ...