powerbook g3

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[Serialization] FPGA-based SSD series instance-3-8 Decoder

[Serialization] FPGA OpenGL series instances 3-8 Decoder Based on OpenGL I. Principle: Decoding is the inverse process of encoding. Its function is to identify binary codes with specific meanings and convert them into control signals. A logic circuit with decoding function becomes a decoder.The decoder can be divided into two types:CodeConvert to one of the valid signals. This decoder can be called a unique address decoder. It is often used for decoding the address of a memory unit in a co

The principle and derivation of machine learning note _prml_adaboost algorithm

: Still the original sample: At this point, the sample is classified as: 0 1 2 9, the 4 samples corresponding weights are 0.0455,So G3 (x) error rate on the training data set E3 = P (G3 (xi) ≠yi) = 0.0455*4 = 0.1820.Calculate the coefficients of the G3: Update weights distri

RGB888 Turn Rgb565__byte

Today, when I review the code, I found this macro definition:#define COLOR_TO_MTK_COLOR_SIMUL ((color >>) 0x1f) | (((color) >> Ten 0x3f) | ((color) >> 3) 0x1f)Do you know what this macro is for?After careful analysis, the original is to realize the conversion of RGB888 to RGB565, access to relevant information, found that there is a network of cattle writing Dongdong, here and you share.Talk about quantitative compression and quantification compensation.In color format conversion, often encou

Supermarket management system written in eclipse

choosenumber;}How to put a cargo into a collectionpublic static void Addgoods (ArraylistGoods G1 = new Goods ();G1.id = 9001;G1.name = "Shaolin Cake Walnut";g1.price=120.8;Goods g2 = new Goods ();G2.id = 9002;G2.name = "Changkang cereal peony cake";g2.price=108.6;Goods g3 = new Goods ();G3.id = 9003;G3.name = "Xinjiang Origin cantaloupe";

RGB24 Mutual Turn RGB565

RGB24 Mutual Turn RGB565 width and height are the height and width of the image Conversion of 24bit RGB888-> 16bit RGB565 24IBT RGB888 R7 R6 R5 R4 R3 R2 R1 R0 G7 G6 G5 G4 G3 G2 G1 g0b7 B6 B5 B4 B3 B2 B1 B0 16bit RGB565 R7 R6 R5 R4 R3 G7 G6 G5 G4 G3 g2b7 B6 B5 B4 B3 Rgb24 = (unsignedchar*) malloc (width*3);Rgb16 = (unsigned short*) malloc (width*height*2);static void rgb24_to_rgb565 (__u8 *rgb24, __u8 *rgb1

Human automation and intelligent learning testing and challenges

options could improve the performance of the model. A. Increase the penalty parameter "C" B. Reduction of penalty parameters C. Reducing the nuclear coefficient (gamma value) Answer: A If it is not fit, we need to increase the complexity of the model, if we increase c, it means that the decision boundary becomes complex, so a is the correct answer. Question 11: If we have already drawn the gamma value of different points in the SVM algorithm (Kernel coefficient). But for some reason, we didn't

Basic knowledge about modules in Python

as modules, sub-packages, and sub-packages. Consider that a file Pots. py is available in the Phone directory. The source code of this file is as follows: #!/usr/bin/pythondef Pots(): print "I'm Pots Phone" In a similar way, the other two files with different functions have the same name as above: The Phone/Isdn. py file has the function Isdn () The Phone/G3.py file has the function G3 () Now, a f

After compiling the android source code

code of the Android platform to create a Rom. We usually involve the following work: 1. Compile the kernel to generate the kernel image. However, in general, we do not have to compile it by ourselves. We can simply extract one from the refresh box. For example, you need to create an upgrade package for Version 2.2. You can go to the Internet to find a refresh box that matches your own model and retrieve the corresponding kernel. IMG from it. 2. Modify ramdisk. IMG. Ramdisk. IMG is the root file

A detailed description of the package concept and management in Python programming

packages in Python A package is a hierarchical file directory structure that defines a Python application environment consisting of a module and a sub-package, and a sub-package under a sub-package. Consider a pots.py file in the phone directory. This file has the following source code: #!/usr/bin/python#-*-coding:utf-8-*-def pots (): print "I ' m pots Phone" In the same way, we have two other files that hold different functions: phone/isdn.py contains function Isdn () phone/

Python module import implements the functionality you need

Hello module, as follows: >>>reload (Hello) Packages in Python A package is a hierarchical file directory structure that defines a Python application environment consisting of a module and a sub-package, and a sub-package under a sub-package. Consider a pots.py file in the phone directory. This file has the following source code: >>>#!/usr/bin/python >>>def Pots (): Print "I ' m Pots Phone" In the same way, we have two other files that hold different functions: phone/isdn.py contains func

The principle and derivation of Adaboost algorithm

false classification points (i.e. 3 4 5) on the training data set.Iterative Process 3For m=3, on training data with a weight distribution of D3 = (0.0455, 0.0455, 0.0455, 0.1667, 0.1667, 0.01667, 0.1060, 0.1060, 0.1060, 0.0455), the calculation is available: When the threshold V is 2.5, the error rate is 0.1060*3 (x The minimum error rate when the threshold V is 5.5 is 0.0455*4 (x > 5.5 when 1,x 0 1 2 9 is wrong , the error rate is 0.0455*3 + 0.0715), When the threshold V is 8

Unity's experience with combinemeshes

Class Meshmethod public void Combinemeshes (combineinstance[] combine)Example Mesh.combinemeshes (Combine)1. Parameter combine array length can not be greater than int16, if there are a large number of mesh needs to be merged, need to be done in batches2.mesh native mesh will be replaced by combine mesh, so if you want to keep the mesh data in the caller's mesh, you need to put it into the combine array and create a new instance of the original mesh reference before calling the Combinemeshes met

Use of GDB debugging and debugging scripts

tools, but sometimes command line debugging tools have functions that cannot be completed by graphical tools. Let's look at it one by one. 1.2.gdb example Use a simple judgment to test: the file name gdbtest. c #include "stdio.h"int main(){ int x=3; if(x The program is very simple. Set x = 3 and then judge whether X is smaller than 4. If it is smaller than 4, the output "X is less than 4". If it is larger than 4, the output "X is biger than 4" is boring, but we can use it for GDB testin

Python's gevent process

GeventPython yield provides basic support for the process, but it is not complete. Third-party gevent provides a more complete range of support for PythonGevent is a third-party library, through the Greenlet implementation of the process, the basic idea is:When an greenlet encounters an IO operation (such as accessing the network), it automatically switches to the other Greenlet, waits until the IO operation is complete, and then switches back to execution at the appropriate time. Because the IO

200 or so computer chassis to buy which good?

also a higher sales this year, a hundred-people-friendly chassis, with wide Grand/drawing panel/side through/u3/support ssd/380mm long graphics card/back line design, and support long graphics and water-cooled radiator, etc. First Mataric side-through version of Black game box First Mataric side through black using drawing process panel, simple and generous, the top USB 3.0 interface, support SSD installation. Large hardware structure, all black treatment, with 28mm North Line spa

Dev-c++ a solution that cannot be debugged (debug) in a Windows environment

As can be seen in the title, the latest version of dev-c++ downloaded on the official website actually cannot debug, this is how annoying, sometimes we in order to better understand the code in the recursive part of the change situation, the Debug function is very important.In my windows environment of a debug (F5), dev-c++ immediately jump out of a program encountered the error prompt, and then close the program, but I thought: is not my code skill too dish, is the code caused by software crash

A specific solution to the multiple definition of ' xxxxxx ' appears when the file is compiled _c language

/.. /.. /.. /i386-linux-gnu/crt1.o:in function ' _start ': (. text+0x18): Undefined reference to ' main ' Collect2:ld returned 1 exit status Make: * * * [client] Error 1 content of Makefile: Copy Code code as follows: CC = gcc Cross_compile = arm-linux- CROSS_CC = $ (cross_compile) gcc Ccflags =-g3-wall-o0 Ldflags = RM =-RM-RF Src_client = NETTRANS.C tcpclient.c Src_server = tcpserver.c Obj_client = $ (SRC_

SQL Server Multi-filegroup database backup and restore combat

= TenRESTORE DATABASE qhw_test FILEGROUP = ' g3 ' from DISK = ' D:\bak\bak\g3.bak ' with FILE = 1,Move ' G3 ' to ' d:\bak\g3.ndf ',norecovery,replace,stats = TenRESTORE DATABASE qhw_test FILEGROUP = ' G4 ' from DISK = ' D:\bak\bak\g4.bak ' with FILE = 1,Move ' G4 ' to ' d:\bak\g4.ndf ',norecovery,replace,stats = TenRE

Use of efax in linux

Use of efax in linux-Linux Enterprise Application-Linux server application information. For details, refer to the following section. Efax mainly contains two programs and one script: Efax Efix Fax Efix is used to convert text, plain G3, plain raw, pbm, pgm, ps, pcl, fax, and other format files. For example, you can generate the TIFFG3 format after processing WWW input, EMAIL, etc, Then it is sent out through EFAX (EFAX supports two formats: te

Python Learning (14) module

() function. The function will re-import the previously imported modules. The syntax is as follows:Reload(module_name) Here, module_name to directly put the module's name, not a string form. For example, to reload the Hello module, as follows:Reload(hello) Packages in PythonA package is a hierarchical file directory structure that defines a Python application environment consisting of a module and a sub-package, and a sub-package under a sub-package.Consider a pots.py file in the phone

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