vp9 codec

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Java codec technology, Netty NiO

For Java-provided object input and output streams ObjectInputStream and ObjectOutputStream, you can write Java objects directly to the file as a stored byte array, or you can transfer them to the network. For Java developers, the default JDK serialization mechanism avoids manipulating the underlying byte array, which can improve development efficiency.1. Why serialization is requiredNetwork Transmission and serialization of ObjectsWhat the 2.java codec

Resolve Python2.7 unicodeencodeerror: ' ASCII ' codec can ' t encode exception error

Today you are ready to export the contents of a SQLite database to a text document (*.txt), and the Python program is designed as follows: 12345678910111213141516171819 #-*-Coding:utf-8-*-import sqlite3 def gsel (cur): cur.execute ("SELECT * FROM Collection") def Main (): conn = sq Lite3.connect ("build.db3") cur = conn.cursor () gsel (cur) # conn.commit () rs = Cur.fetchall () FP = Open ("Output.txt", "W") for row in RS: fp.write (row[1]) # re

Issue with PIP install installation: unicodeencodeerror: ' ASCII ' codec can ' t encode characters in position XX solution

issue with PIP install installation: unicodeencodeerror: ' ASCII ' codec can ' t encode characters in position xx solutionTransfer from CSDNI run in cmd: Pip install wheel When the following issue occurs:The solution is as follows:* * Build a file in the Python directory python27\lib\site-packages sitecustomize.pyInside the content is: * *import sys sys.setdefaultencoding(‘gb2312‘) 1 2 1 2 Then re-execute the

Python coding problem: ' ASCII ' codec can ' t encode characters in position solution

Error:' ASCII ' codec can ' t encode characters in position 8-50:ordinal not in range (128)When Python is installed, the default encoding is ASCII, and when non-ASCII encoding occurs in the program, Python processing often reports such an error unicodedecodeerror: ' ASCII ' codec can ' t decode byte 0x?? In position 1:ordinal No in range, Python does not handle non-ASCII encoding, it is necessary to set its

20170427 error Unicodeencodeerror: ' GBK ' codec can ' t encode character ' \xa0 ' in position

Today, write Python, the online data stream written into the file encountered, the Web search results and the correct processing, the original solution copied over, heyWhen writing a file using Python, or when writing a network stream to a local file, in most cases you will encounter: Unicodeencodeerror: ' GBK ' codec can ' t encode character ' \xa0 ' in position ... The problem. There are a lot of similar files on the network about how to solve this

Development of Netty program based on Protostuff codec technology: Transmitting Pojo Object

[TOC] Development of Netty program based on Protostuff codec technology: The preface of Transmitting Pojo objectThe development of the Netty program is mainly the transmission of Java objects in the network, the transmission of objects not only limited to strings, but also can be customized other types of objects.The previous use of Protostuff are relatively simple to use, to carry out a few simple tests, the following to complete the example of

"Python" Python3 a successful solution to the ' GBK ' codec can ' t encode characte?

Personal testing, the problem solved completely!2018/07/08 21:37Environment: windows,pycharm,python3.6.2When writing a file using Python, or when writing a network stream to a local file, in most cases you will encounter: Unicodeencodeerror: ' GBK ' codec can ' t encode character ' \xa0 ' in position ... The problem. There are a lot of similar files on the network about how to solve this problem, but nothing is encode,decode related, is this the real

Python connection Database exception ' latin-1 ' codec can ' t encode characte

Tags: PythonException: Unicodeencodeerror: ' latin-1 ' codec can ' t encode character U ' \u201c ' in position 0:ordinal not in range (256)Need to set database connection encoding: DB = pymysql.connect (host= ' localhost ', user= ' root ', password= ' 123456 ', db= ' Yanpro ', port=3309, charset= ' UTF8 ')If the setting is complete error: ' Nonetype ' object has no attribute ' encode ', it is possible to write charset= ' UTF8 ' as charset= ' utf-8 '!!

Speech Codec (g.711, g.723, g.726, g.729, ilbc)

Various codec codes have been widely used in various fields. Next we will compare the compression ratios of various codec codes. If they are incorrect, we hope you can correct them. Speech Codec: Current major speech codec include g.711, g.723, g.726, g.729, ilbc Qcelp, EVRC, Amr, SMV Major audio

Apache Commons CODEC and Message digest algorithm (hash algorithm)

First of all we need to understand what CODEC means. It is Coder + Decoder = Codec, which is the encoder decoder. That is, the encoder is also the decoder.Website address: http://commons.apache.org/proper/commons-codec/Apache Commons Codec (TM) software provides implementations of common encoders and decoders such as B

Apache Commons codec in-depth learning and URLCODEC

We in the entry code, wrote some examples, it seems like this class, only the content, open Javadoc and then look, found that the bag is really a lot of goods.Commons Codec 1.4 API Packages Org.apache.commons.codec A small set of interfaces used by the various implementations in the Sub-packages. Org.apache.commons.codec.binary Base64, Binary, and hexadecimal String encoding and decoding.

The ultimate solution for reading and writing files in Python unicodedecodeerror: ' GBK ' codec can ' t decode byte 0x9d in position 1270:illega

Unicodedecodeerror: ' GBK ' codec can ' t decode byte 0x9d in position 1270:illegal multibyte sequenceAbove is the error encountered, would like to complete the read file, and then write another file. But in the Fp.read (), has encountered the above error, after a variety of Baidu, Google, and the magic of StackOverflow only to know that the character stream problem.Know the problem, or do not solve, and hard search, finally found inspiration in Stack

' ASCII ' codec can ' t encode characters in position 0-8: solution for ordinal not in range (128)

Using the python2.7, the runtime appears with the ' ASCII ' codec can ' t encode characters in position 0-8: Ordinal not in range (128) error, by searching for some articles to learn because PYT The default encoding used by the Hon System is ASCII encoding, but the characters in the operation of the code are not in the ASCII range, so the error is incorrect.Workaround:Add 3 lines of code before the code1 Import SYS 2 Reload (SYS) 3 sys.setdefaultencod

Java Implementation BASE64 codec

Java Implementation BASE64 codecAuthor: Chszs, reproduced in the note. Blog home:Http://blog.csdn.net/chszsBASE64 and other similar coding algorithms are often used to convert binary data into textual data, which is intended to simplify storage or transmission. In more detail, the BASE64 algorithm is primarily used to convert binary data into ASCII string formats.The Java language provides a good implementation of the BASE64 algorithm, the Apache Commons cod

X264 encoder option analysis (x264 codec strong and weak points) 1

This article briefly translated the x264 option (encoding option, which is later called the English name) analysis report x264 codec strong and weak points by MSU lab. After reading it, I felt that the analysis was very thorough, and the method used was also very useful for reference. Therefore, I should record the key points in the analysis for memo. As we all know, there are a lot of options for x264. It is really a headache to combine these many pa

Python unicodeencodeerror: ' GBK ' codec can ' t encode character solution

When writing a file using Python, or when writing a network stream to a local file, in most cases you will encounter: Unicodeencodeerror: ' GBK ' codec can ' t encode character ' \xa0 ' in position ... The problem. There are a lot of similar files on the network about how to solve this problem, but nothing is encode,decode related, is this the real cause of the problem? No. Many times, we used decode and encode, tried all kinds of code, utf8,utf-8,gbk

An error occurred while importing import com.sun.image.codec.jpeg. Export codec.

Tags: Eclipse image processing, javascodecWhen processing images in eclipse, You need to introduce two packages:Import com.sun.image.codec.jpeg. Unzip codec;Import com.sun.image.codec.jpeg. encode imageencoder;An error is reported. The compilation fails. solution:By default, eclipse sets these access-restricted APIs as error. You only need to select forbidden references (access rules) in the deprecated and restricted API in Windows-preferences-Java-co

X264 encoder option analysis (x264 codec strong and weak points) 2

The previous article briefly translated the x264 option (encoding option, which is later called the English name) analysis report of x264 codec strong and weak points. The previous part is relatively basic, and the subsequent content is much more complicated. This article continues with the content of the previous article and briefly records the following content. In the previous article, the preset of x264 is analyzed using the method of "colored cl

COCOS2D-X-3.0BETA2 Create Project encountered "Unicodedecodeerror: ' ASCII ' codec can ' t decode byte 0xd7 in position 9:ordinal not in range (128) "The question

Under the Windows platformCreate a project with the create_project.py tool under the COCOS2D-X-3.0BETA2 versionHowever, the following problem is encountered: Unicodedecodeerror: ' ASCII ' codec can ' t decode byte 0xd7 in position 9:ordinal not in range (128)After looking at the data, the original folder is the Chinese name caused, all the files involved in the Cocos2d-x folder should be in English! Should be all English directory, cannot use Chinese

' Utf-8 ' codec can ' t decode byte 0xd5 in position xxx:invalid continuation byte problem

  Looking for an afternoon, a variety of data collection, Leng did not search out the answer.The result this morning, make a small change, the whole out ...The steps are as follows:1. Open Excel, select all data2. New Notepad, paste, select script, change font:3, new Excel table, paste back, OK.It's been a whole afternoon, huh? It was also intended to be read directly from the database ...Do not forget, is indeed referring to the people's posts, attached:Read CSV file with Python3, appear unicod

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