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PHP Tutorials Download

a more comprehensive set of PHP tutorials , basic video and some small combat projects, below is the video directoryCD-ROM (i) \php employment Class (I.)CD-ROM (i) \php Technical exchange zone. URLCD-ROM (i) \ "Wisdom Special issue" belongs to it students magazineCD (i) \ "Programmer's Struggle". movCD (i) \ Preach Wisdom Podcast PHP interview Codex 2013 (roll u

UVA bandwidth (good title)--yhx

'), followed by a ': ' and At least one of its neighbours. The graph would contain no more than 8 nodes.OutputOutput would consist of one line for each graph, listing the ordering of the nodes followed by an arrow and the ban Dwidth for that ordering. All items must is separated from their neighbours by exactly one space. If more than one ordering produces the same bandwidth, then choose the smallest in lexicographic ordering, which is the one That's would appear first in an alphabetic listing.

"Turn" 11 kinds of filtering algorithms

* lheight);Freeing memoryLocalUnlock (hnewdibbits);LocalFree (hnewdibbits);LocalUnlock (Harray);LocalFree (Harray);Returnreturn TRUE;}Three. An implementation of RC filter. Rcdigital (Double X, double Y) { static int midflag; static double yn_1,xn_1; Double mygetx=0,mygety=0; Double Alfa; alfa=0.7; If (x==0| | y==0) { midflag=0; xn_1=0; yn_1=0; mygetx=0; mygety=0; } if (x>0y>0) { if (m

Affordable Wireless Network Security Solutions for Enterprises

because many drivers are available for a variety of chip sets supported by mainstream open-source wireless software tools. You can select your preferred Linux version, compile or add data packets, or use Backtrack or KaliLinux in a simpler way. These versions are customized for Unbuntu or Debian, including the most popular and practical Security tools for penetration testing and digital forensics, by the Offensive Security sales company.For Wi-Fi adapters, if you are using Linux, you can save y

Realization of C language in BP neural network

#include "stdio.h" #include "Stdlib.h" #include "time.h" #include "math.h" /********************************************* Inpoints is the number of input neurons that can be changed Outpoints is the number of output neurons Defaultpoints is the number of neurons in the hidden layer Datagrough is the number of sample data ********************************************** The following data definitions can be modified *****/ #define A 0 #define a 1 #define B 1 #define C 1 #define

Kali Linux does not have a wireless card? Play a Hammer paper ~

/n/AC protocol, which means that it can support both 2.4GHz and 5GHz, and has a very high network speed. Alfa Network Awus036ach has 2 5dBi antennas, with very good wireless performance, the price is around 300 ¥.Official recommendation2.Alfa AWUSO36NH3.Alfa Awus036nha4.Alfa AWUS051NH5.Panda PAU05The above 5 are Plug a

Genetic algorithm, real-coded cross-operation SBX (analog binary crossover)

This paper mainly introduces the sbx of the crossover operation of the genetic algorithm (real coding), and simulates the binary crossover.First of all, give the personal code implemented by python2.7, the specific module has been uploaded to:Https://github.com/guojun007/sbx_cross1 #!/usr/bin/env python2 #Encoding:utf-83 ImportNumPy as NP4 ImportRandom5 6 """7 SBX analog binary crossover8 9 Input:Ten Population population Matrix One Alfa Crossover Pro

Eleven General Filter Algorithms

J-ifiltermx + L PixelLpsrc = (unsigned char *) lpdibbits + llinebytes * (lheight-1-I + ifiltermy-k) + J-ifiltermx + L;// Save the pixel valueAvalue [K * ifilterw + L] = * lpsrc;}}// Obtain the median value* Lpdst = getmediannum (avalue, ifilterh * ifilterw );}}// Copy the transformed ImageMemcpy (lpdibbits, lpnewdibbits, llinebytes * lheight );// Release the memoryLocalunlock (hnewdibbits );Localfree (hnewdibbits );Localunlock (harray );Localfree (harray );// ReturnReturn true;} Iii. Implem

Fractal-C-line

As mentioned above, the levy curve is generated by dividing a line segment into two lines with the same length and vertical lines. in addition, the fragtal dragon is also to turn a line segment into two lines with an angle of 90 degrees. this section shows that a line segment is constantly divided into two equal-length and non-fixed-angle line segments to generate a graph. this is like turning a line segment into an isosceles triangle. The original line segment is the bottom side of an isosceles

Android flash and flash brush preparation tutorial

There are two types of Flash brush: wire brush and card brush. The so-called "wire brush" is to use the Odin flash brush program to flash the machine in the download mode (commonly known as "coal mining") of the mobile phone. And"Card swipe"Is to flash the machine in the recovery (recovery) mode of the mobile phone. In this lecture, I will introduce the second method: "card brush" or "CWM brush. There are few tutorials on "card swiping" in the Forum, most of which are provided in a specific

Static memorylayout_shadow memory

Conventional memory: The first 640 KB of system memory is the famous regular memory. Every PC user knows it more clearly over time (and hate it more), it is a standard DoSProgram, DOS drivers, resident memory programs, and other available areas, all of which are placed in H ~ Between 9ffffh. Upper memory area (upper memory area): The first 384 KB (1024 KB-640 KB) at the top of 1 Mbit/s memory is Uma, which follows the regular memory. That is to say, the first 1 MB memory is divided into 640kb

What is the difference between a phone's own memory and a phone card?

Terminology: The phone's own memory and mobile cardMobile RAM, ROM, and memory cards.First explain the relationship between the phone's RAM, ROM, and memory card. Both the RAM and ROM of the phone belong to the semiconductor memory. The ram of the cell phone is the memory that we often say, it is the abbreviation of random Access memory, that is Ram , can read an

PID control based on BP neural network

In the classical increment PID algorithm, the parameter that needs to be debugged is KP,KI,KD. The three parameters are adjusted by BP Neural Network, with X (i) as the input layer and the middle layer as the Simoid function: f (x) = Tanh (x) = (exp (x)-exp (-X))/(exp (x) +exp (-X)). and modify parameters by gradient descent method Key code:%output LayerFor J=1:1:outDK (j) =2/(exp (j)) +exp (K (j)) ^2;EndFor L=1:1:outDELTA3 (L) =error (k) *dyu (k) *epid (L) *DK (L);EndFor L=1:1:outFor I=1:1:

How to Use BackTrack to crack WEP keys in Wi-Fi networks

cheap WIFI adapters to crack this problem. Let's take a look! What do you need Unless you are a computer network security ninja, you are unlikely to have all the tools to complete the experiment. The following are what you need: A compatible wireless adapter. This is the main requirement. You need a wireless adapter for package injection. Your computer may not have this function. After discussing with my security expert neighbor, I spent $50 on Amazon to buy an

Set the color parameter in Android code

Today you want to draw a curve that changes dynamically based on the color of the parameter, and the parameters are not fixed, so you need to get the color values based on the parameters. Studied for a long time and engaged in a scheme that was implemented through paint.Paint contains a number of ways to set its properties, the main method is as follows:Setantialias: Sets the brush's jagged effect. setcolor: Setting Brush colorsSetargb: Sets the a,r,p,g value of the brush. Setalpha: Setting alph

Reprint high quality chroma key

backing to the pixel value, the next step wocould be to subtract this contribution from the pixel value and replace it with a scaled version of the background image. in other words, the overall operation completed MED by Chrome key is ck_result = (fg_pixel_value-blue_backing_contribution) + KBG * bg_pixel_value (EQ 1 ). the problem now is to provide a concrete Algorithm for determining KBG and blue_backing_contribution from the image data. One such an algorithm is presented below. First, we

Two methods for generating strong passwords in PHP

Here are 2 kind PHP code can generat strong passwords: $ Password_length = 9; Function make_seed (){List ($ USEC, $ Sec) = explode ('', microtime ());Return (float) $ sec + (float) $ USEC * 100000 );} Srand (make_seed ()); $ Alfa = "1234567890qwertyuiopasdfghjklzxcvbnmqwertyuiopasdfghjklzxcvbnm ";$ Token = "";For ($ I = 0; $ I $ Token. = $ Alfa [rand (0, strlen ($ A

Crown of fragment (Crown)

Crown Fractal Curve Core code: static void FractalCrown(const Vector3 vStart, const Vector3 vEnd, Vector3* pVertices){ Vector3 vSub = vEnd - vStart; Yreal len = D3DXVec3Length(vSub); pVertices[0] = vStart; pVertices[6] = vEnd; Yreal alfa = atan2f(vSub.y, vSub.x); Yreal a0 = alfa - YD_REAL_PI/6; Yreal a1 = alfa + YD_REAL_PI/6; Yreal l = len

JS Tree Menu

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PID control based on BP neural network

The parameters that need to be debugged in the classic incremental PID algorithm are KP,KI,KD. The three parameters are regulated by the BP neural Network, with X (i) as the input layer and the middle layer as the Simoid function: f (x) = Tanh (x) = (exp (x)-exp (-X))/(exp (x) +exp (-X)). and modify the parameters by gradient descent method Key code:%output LayerFor J=1:1:outDK (j) =2/(exp (j) +exp (K (j))) ^2;EndFor L=1:1:outDELTA3 (L) =error (k) *dyu (k) *epid (L) *DK (L);EndFor L=1:1:outF

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