IO Flow in JAVA System

1. Use of File Class java.io.File class: abstract representation of file and file directory paths, platform independent File can create, delete, and rename files and directories, but File cannot access the file content itself. If you ...

Posted by Sooz719 on Wed, 28 Aug 2019 04:04:01 +0200

Python Deep Learning Reading Notes (Optimize IMDB comment classification using pre-trained word embedding)

Chapter Six: Deep Learning for Text and Sequence   In-depth learning does not accept the original text as input but only processes numeric tensors. Text vectorization refers to the process of converting text to numeric tensors.(Text can be spli ...

Posted by pothole_89 on Tue, 27 Aug 2019 04:18:22 +0200

MySQL Single Query

Syntax of form queries and priority of keyword execution Form Query Syntax SELECT DISTINCT Field 1,Field 2... FROM Table Name WHERE condition GROUP BY field HAVING screen ORDER BY field LIMIT Limi ...

Posted by atitthaker on Tue, 27 Aug 2019 03:41:16 +0200

[Original] ASP.NET WebApi Receives xml file xml serialization

I don't need to introduce how to build a new WebApi project. Get straight to the point. First, whatever you want to receive on the. net platform, you must get it from Request. You must be familiar with common parameter acquisition. Here's how to get file streams from Request. System.IO.Stream sm =Request.Content.ReadAsStreamAsync().Result This ...

Posted by medusa1414 on Mon, 26 Aug 2019 08:37:03 +0200

The seventeenth day of Java learning

1. Byte stream: FileInputStream Specific methods: FileInputStream fis = new FileInputStream("temp.txt"); 1.int num = fis.available(); // total number of bytes returned to the file 2.fis.read()// Returns an int number, if no bytes are read, Returns - 1 1 //Use byte Array optimization 2 public static void m3()throws IOException 3 { ...

Posted by shaoen01 on Sun, 25 Aug 2019 17:49:11 +0200

sklearn+nltk-Emotional Analysis (Positive and Negative)

Reproduction: https://www.iteye.com/blog/dengkane-2406703 Steps: 1 Data with labels.Data: pos_text.txt Comment Text: neg_text.txt 2 Constructive features: Words, double-word collocations (Bigrams), such as "mobile phone is very", "very useful", "easy to use!" These three collocations are used as classification f ...

Posted by xeross on Sun, 25 Aug 2019 05:51:17 +0200

Concurrent programming, summary

1. course 1. Two ways of process creation The first way to start the process is: from multiprocessing import Process import random import time def task(name): print(f'{name} is running') time.sleep(random.randint(1, 3)) print(f'{name} is gone') if __name__ == '__main__': # In windows environment, the opening process must be u ...

Posted by The Jackel on Sat, 24 Aug 2019 14:48:44 +0200

python-lambda expression and built-in function

Catalog 1 lambda expression (anonymous function) 2 built-in functions 1 lambda expression (anonymous function) Used to represent simple functions lambda expression, in order to solve the case of simple functions: def func(a1,a2): =====> func = lambda a1,a2:a1+a2 # The function gets the return valu ...

Posted by dreglo on Sat, 24 Aug 2019 08:55:33 +0200

python-Fundamentals of Functions

Catalog 1 Return value 2 Scope 3 Functions 4 Functions of Intermediate and Advanced Level 1 Return value def func(arg): # .... return 9 # The return value is 9 by default: return None val = func('adsfadsf') # 1. Let the user input a string and calculate how many A characters are in ...

Posted by xiledweb on Sat, 24 Aug 2019 08:49:58 +0200

JSP and Servlet Integration Case

02 System Page Creation-System Requirements Analysis 2.2 Brief Answers 2.2.1 According to the video, please write out the realization of login function? User information is queried according to user name and password. If it is found, the login succ ...

Posted by phpprog on Fri, 23 Aug 2019 16:01:37 +0200