How to read / convert InputStream to String in Java?

If you have a java.io.InputStream object, how do you handle it and generate a String? Suppose I have an InputStream that contains text data, and I want to convert it to a String, for example, I can write it to a log file. What is the easiest way to accept an InputStream and convert it to a String? public String convertStreamToString(I ...

Posted on Fri, 06 Dec 2019 06:17:43 -0800 by KevinCB

Learn Android's GridView together

With a simple example, this paper briefly describes the common application of GridView in Android development, which is only for learning and sharing. Summary GiridView is a table display resource control that can be displayed in two scrollable directions. The resources of the list item are automatically added to the GirdView in the layout cont ...

Posted on Thu, 05 Dec 2019 01:18:56 -0800 by DKY

Python Valentine's Day super skill export wechat chat record generation word cloud

Preface The text and pictures of this article are from the Internet, only for learning and communication, not for any commercial purpose. The copyright belongs to the original author. If you have any questions, please contact us in time for handling. Author: Python practical book PS: if you need Python learning materials, you can click the link ...

Posted on Wed, 04 Dec 2019 14:41:20 -0800 by lansing

Crawler training project: get the movie with the highest score of Douban and download it

Previous review In the last blog, we learned four major libraries of Python crawlers: urlib, requests, beautiful soup and selenium Introduction to reptile common library Learn the common usage of urlib and request I learned how to use beautiful soup to parse web pages and selenium to drive browsers # We imported the web driver module from se ...

Posted on Wed, 04 Dec 2019 13:01:43 -0800 by lou28

maven plug-ins load different environment configuration files according to configuration and package them (maven war plugin)

1. Configure a variety of different environments Such as (local local, dev development, test environment, etc.) 1 <profiles> 2 <profile> 3 <id>local</id> 4 <properties> 5 <package.environment>local</package.environment> 6 </properti ...

Posted on Tue, 03 Dec 2019 18:01:07 -0800 by ialsoagree

C and Java AES encryption and decryption

Reference documents: https://www.cnblogs.com/xbzhu/p/7064642.html A few days ago, when docking with java interface, C ා encryption parameter is required, Java decrypts. However, a lot of similar encryption and decryption methods are found on the Internet, which are inconsistent with the encrypted text of Jaca. Java interface can't decrypt unti ...

Posted on Tue, 03 Dec 2019 05:43:33 -0800 by mrgrammar

day 11 - 2 decorator exercise

1. Write a decorator to add the function of authentication to multiple functions (the user's account password comes from a file) and it is required to log in successfully once, and subsequent functions do not need to enter the user name and password again FLAG = False def login(func): def inner(*args,**kwargs): global FLAG ...

Posted on Tue, 03 Dec 2019 01:23:51 -0800 by Quicksilver_0

django - exception handling on JSON encoding format

This is an exception of the encoding format, because in the docking of the crawler meta service, when sending data through http, the packaged data package is not in the correct format string={'domain': 'android.myapp.com', 'url': 'https://android.myapp.com/myapp/searchAjax.htm?kw=MM%E5%BA%94%E7%94%A8%E5%95%86%E5%9C%BA&pns=&sid='} Becau ...

Posted on Mon, 02 Dec 2019 20:02:16 -0800 by Mythic Fr0st

[reprint] C ා tool class: Json operation help class

JSON serialization and deserialization are often encountered in program development. In C ා, there are many ways to realize JSON serialization and deserialization of data, encapsulating a JSON operation tool class to simplify corresponding operations. The tool class includes the following functions: object to JSON, data table to key value pair ...

Posted on Mon, 02 Dec 2019 13:31:41 -0800 by wanted420

C ා using HttpWebRequest class to send post request, there is a problem that "socket (Protocol / network address / port) can only be used once"

Statement: Although the problem has been solved, the specific principle has not been understood. Welcome to add.   Recently, a problem occurred in the website. In C ා, use the HttpWebRequest class to send post requests. Occasionally, there will be an exception that "socket (Protocol / network address / port) can only be used once". ...

Posted on Mon, 02 Dec 2019 09:47:13 -0800 by ryans18