In the daily development process, we all encounter the scenario that the UI effect we write needs to be previewed in advance before docking data, and then adjust the UI details and typesetting problems. What is our general practice? If there are basic controls like TextView or ImageView, are you still testing and previewing UI effe ...
Posted on Sun, 18 Aug 2019 23:26:36 -0700 by huppsi
Posted on Fri, 16 Aug 2019 22:40:55 -0700 by udendra
In the work, we often have to deal with all kinds of data. It is easy to waste time writing functions when we meet the project schedule. Python has many built-in functions to help you improve your work efficiency!
First: In the list, the dictionary ...
Posted on Fri, 16 Aug 2019 06:08:55 -0700 by sabbagh
Recently, I found that I am not proficient enough in IO flow, so I spent half a day systematically practicing my hand with a set of lessons in Mou class. The notes and codes are arranged as follows, which is also mixed with my own understan ...
Posted on Tue, 13 Aug 2019 05:08:17 -0700 by richinsc
I. Small Data Pool
1. Small Data Pool Definition
Small data pool (constant pool), a data caching mechanism, is also known as resident mechanism. Small datapools are only for integers, strings, and Boolean values. There is no resident mechanism for other data types.
2. Definition of various types of datapools
In python, integers ...
Posted on Sun, 11 Aug 2019 06:41:55 -0700 by Jalz
caddy-grpc adds a reverse proxy plug-in for caddy
Project address: https://github.com/yhyddr/caddy-grpc
Last time we learned how to extend the plug-in we wanted in Caddy. Blogs provide only a general framework. This time, let's learn from the specific plug-in caddy-grpc.
The reason for choosing it is that it is a stand-alone applicati ...
Posted on Sat, 10 Aug 2019 03:36:53 -0700 by Edison
Returns the character at the specified position
var str = 'nihaome wozhendexiangxeuhaoqianduan'
var str2 = str.charAt(4); The subscript of a string starts at 1.,So go back o
var str3 = str.charAt(25); 25 Location is a;
var str4 = str.charAt(5,26); Two parameters are passed in without error, but the second parameter is invalid by d ...
Posted on Thu, 08 Aug 2019 20:29:34 -0700 by Papalex606
In life, sometimes we need to encrypt some important files. Python provides easy-to-use encryption libraries such as hashlib and base64. * *
But for everyday learning, we can use XOR operation to implement a simple file encryption program, thus strengthening our programming ability. Remember to add an a ...
Posted on Wed, 07 Aug 2019 06:15:05 -0700 by phpwannabe25
Compare addresses, String overrides methods, and compares values.
Print object attribute information (class name and hexadecimal hascode)
The hash code value of the acquired object can be used as the identity card (unique identifier) of the current object in ...
Posted on Wed, 07 Aug 2019 02:46:41 -0700 by HA7E
I. String Coding
In fact, the computer only knows 0 and 1. The code we write involves the process of converting characters into numbers 0 and 1. This process is actually how a character corresponds to a specific digital standard, which is called character encoding.
0/1 = 1bit
1 byte ...
Posted on Tue, 06 Aug 2019 03:07:38 -0700 by AlexP