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Fun Image function library-common graphic operations (PHP)

-cool Demo:Http://www.phzzy.org/temp/5do8/ex3.php $ Width = 400;$ Height = 400;$ Image = imagecreatetruecolor ($ width, $ height );$ White = imagecolorallocate ($ image, 0xFF, 0xFF, 0xFF );$ Gray = imagecolorallocate ($ image, 0xC0, 0xC0, 0xC0 );$ Darkgray = imagecolorallocate ($ image, 0x90, 0x90, 0x90 );$ Navy = imagecolorallocate ($ image, 0x00, 0x00, 0x80 );$ Darknavy = imagecolorallocate ($ image, 0x00, 0x00, 0x50 );$ Red = imagecoloralloc

Example of creating a circular pie chart using the GD Library in PHP

statistical chart based on the four steps described above. The code is as follows: The code is as follows: // Create a canvas, return a resource type variable $ image, and open a temporary area in the memory$ Image = imagecreatetruecolor (100,100); // The size of the canvas to be created is 100x100. // Set the color required in the image, which is equivalent to the dye box prepared during painting.$ White = imagecolorallocate ($ image, 0xFF, 0xFF, 0xFF); // assign a white color to the image$ Gr

Turn: Hexadecimal color vs. RGB color comparison Table

  Lavender Lavender Flower Lavender #E6E6FA 230,230,250   Ghostwhite Ghost of the White #F8F8FF 248,248,255   Blue Blue #0000FF 0,0,255   MediumBlue A moderate Blue #0000CD 0,0,205   Midnightblue Midnight blue. #191970 25,25,112   Darkblue Dark blue #00008B 0,0,139  

How to add a background picture to the top of the page

Navy topic How to add a picture at the top of a page you can add a background picture http://www.ikk.me/such a child His code is "click to view" Reply content: Navy topic How to add a picture at the top of a page you can add a background picture http://www.ikk.me/such a child His code is "click to view" Look at the code, is to section add a background , in order to make a fixed-width picture fill the

Firefox, Google, ie9, IE8, IE7, IE6, and CSS define the sequence

Body {Background-color: black;/* Firefox + Google */Background-color: Red \ 9 \ 0;/* ie9 */Background-color: Blue \ 0;/* IE8 */* Background-color: red;/* IE7, IE6 */+ Background-color: Navy;/* IE7 */_ Background-color: green;/* IE6 */} Note:Ie9Support \ 9 \ 0, do not have spaces in the middle, written as background-color: Red \ 9 \ 0; not recognized. Must be background-color: Red \ 9 \ 0; IE8\ 0 is supported, and no spaces are in the middle. IE6,

Php dynamic generation of pie chart code

*/// Create an image$ Image = imagecreatetruecolor (300,300 );// Define the color required to draw a pie chart$ White = imagecolorallocate ($ image, 0xff, 0xff, 0xff );$ Gray = imagecolorallocate ($ image, 0xc0, 0xc0, 0xc0 );$ Darkgray = imagecolorallocate ($ image, 0x90, 0x90, 0x90 );$ Navy = imagecolorallocate ($ image, 0x00, 0x00, 0x80 );$ Darknavy = imagecolorallocate ($ image, 0x00, 0x00, 0x50 );$ Red = imagecolorallocate ($ image, 0xff, 0x00, 0x

JpGraph application and basic installation configuration

("textlin"); $ graph-> img-> SetMargin (,); // Set the icon margin $ graph-> title-> SetFont (FF_SIMSUN, FS_BOLD, 24); // Set the font, type, size $ graph-> title-> Set ('www .phpddt.com '); // the title of the image header $ graph-> title-> SetColor ('red'); // The title font color $ graph-> xaxis-> SetFont (FF_FONT1 ); // set the English font $ graph-> yaxis-> SetFont (FF_FONT1); $ bplot = new BarPlot ($ datay); $ bplot-> SetWidth (0.4 ); // the width of the column $ bplot-> SetFillGradient (

Common HTML Tags Daquan

new song body and the young Circle script founder Shu BodyChinese new Wei Chinese xingkai Chinese fine black Chinese colorful cloudCommon Font Color:Light green----AQUA----black blue----Blue fuchsia----fuchsia,Gray----gray green----green----lime tea----maroon,Deep Blue----navy olive----olive purple----pourple Red---Silver----Silvery green----teal----white YELLOW----yellowPurple--purpleText Example: (centered)Welcome, your friend.fonts (font) tags (ta

App Brush list is there any legendary bull?

follow up the collaboration, more trouble. In fact, there are some small tricks, such as a domestic mobile phone installed tools called fast with the Apple Assistant, their list is also can brush, the effect is good. I can use the technical way, the application to brush to 24 hours the hottest first screen, three days to guide nearly 100,000 installed and registered, or is very useful. But for the guide, the overall or old channel volume is large, but the project is diluted, like a new channel,

CSS values and units for new Web front-end notes

DigitalColor--Name ColorIn Css2.1, the specification defines 17 color names. Includes 16 colors as defined in html4.0 and an additional orange;"Color=aqua"GT;AQUA"Color=fuchsia"GT;FUCHSIA"Color=lime"GT;LIME"color=olive"GT;OLIVE"color=red"GT;RED"Color=white"GT;WHITE"Color=black"GT;BLACK"Color=gray"GT;GRAY"Color=maroon"GT;MAROON"Color=orange"GT;ORANGE"Color=silver"GT;SILVER"Color=yellow"GT;YELLOW"Color=blue"GT;BLUE"Color=green"GT;GREEN"Color=navy"GT;

Python: Large (34k) user crawler

program can continuously expand the continuous search users(5) data storage to No-sql database: MongoDB (efficient and lightweight and supports concurrency)(6) Increase crawl speed using Python's process pool module(7) Using Csv,pandas,matplotlib module for data processing (need to perfect)Next, we conduct a careful analysis:(i) Access to dataThe main use of Python's request for HTML access, in addition, the cookie in the header carries our login information, so press your F12 to add your own c

CSS3 Special Pseudo-Class:: Selection change the style of the selected text on the page

Generally on the Web page, when the text is selected, the style of the text will change, of course, the style is the same as the default style of the browser, blue-white, occasionally see some pages above when the text is selected when there will be a different style, then very curious, then slowly discovered is a pseudo-class CSS:: Selection :: Selection is a CSS3 selector (this also tells us that we CSS3 have to be familiar with, this thing can really make a lot of unexpected good results

Example of using the GD library in PHP to create a circular pie chart: gd circle

:// Create a canvas, return a resource type variable $ image, and open a temporary area in the memory$ Image = imagecreatetruecolor (100,100); // the size of the canvas to be created is 100x100.// Set the color required in the image, which is equivalent to the dye box prepared during painting.$ White = imagecolorallocate ($ image, 0xFF, 0xFF, 0xFF); // assign a white color to the image$ Gray = imagecolorallocate ($ image, 0xC0, 0xC0, 0xC0); // assign a gray color to the image$ Darkgray = imageco

How to output an html table from a php Array

; arr [$ I];$ M = count ($ linea );For ($ j = 0; $ j $ Celdas. = sprintf ("$ Celdas. = "}Return sprintf ("}Public function example (){$ Tit = array ("Apellidos", "Nombre", "Telefono ");$ R1 = array ("Garcia", "Ivan", "888 ");$ R2 = array ("Marco", "Alfonso", "555 ");$ X = new xtable ();$ X-> titles ($ tit); // take titles array$ X-> addrows (array ($ r1, $ r2); // take all rows at same timeReturn $ x-> html (); // return html code to get/show/save it}} // Example$ T1 = new xtable ();Echo $ t1->

HTML Tags Daquan

new song body and the young Circle script founder Shu BodyChinese new Wei Chinese xingkai Chinese fine black Chinese colorful cloudCommon Font Color:Light green----AQUA----black blue----Blue fuchsia----fuchsia,Gray----gray green----green----lime tea----maroon,Deep Blue----navy olive----olive purple----pourple Red---Silver----Silvery green----teal----white YELLOW----yellowPurple--purpleText Example: (centered)Welcome, your friend.fonts (font) tags (ta

Javascript linear gradient 3

Another powerful tool for IE is VML. Although it is not comparable to SVG, it is still very powerful. In terms of gradient implementation, its fill is much more powerful than IE's Gragient filter. However, VML appeared earlier and only a few color names are supported, such as red, blue, and yellow. Other names such as orange can be used to destroy it. Therefore, to use VML for linear gradient, we need to convert these color names.HTML4 color value Black=# 000000 Green=# 008000 Sil

Javascript precisely retrieves style attributes (below)

Copy codeThe Code is as follows:Var rgb2hex = function (rgb ){Rgb = rgb. match (/^ rgb \ (\ d +), \ s * (\ d +), \ s * (\ d +) \) $ /);Return "#" + tohex (rgb [1]) + tohex (rgb [2]) + tohex (rgb [3])}Var tohex = function (x ){Var hexDigits = ['0', '1', '2', '3', '4', '5', '6', '7', '8 ', '9', 'A', 'B', 'C', 'D', 'E', 'F'];Return isNaN (x )? '00': hexDigits [(x-x % 16)/16] + hexDigits [x % 16];} We use a regular expression to check whether the regular expression is in rgb format. Instead, we use

PHP upload file $_files Unable to receive information

Hello, everyone! I have written a small program for uploading video files. When testing under Windows: php5.5+apache2.4.9,php two configurations with maximum upload size already set to 1024M Uploading any video at this time is no problem. But when you get to Linux: Php5.3+nginx, similarly, the PHP configuration file is configured, and nginx.conf also sets the Clinent_max_body_size to 1024M. But a video file called "I am a little Navy 0.mp4" was

How to add two question headers to the DataGrid to display cuike519 [original]

can use a global variable to determine.Define a global variable private int m_createpagetimes = 0;Then we add the following code for the event handler:Private int m_createpagetimes = 0;Private void maid (Object sender, system. Web. UI. webcontrols. datagriditemeventargs e ){Listitemtype elemtype = E. Item. itemtype;If (elemtype = listitemtype. pager ){If (m_createpagetimes = 0 ){Tablecell cellperson = (tablecell) E. Item. controls [0];Cellperson. Controls. Clear ();Cellperson. backcolor = color

(Hungarian algorithm) Hdu 5093

Battle shipsTime limit:2000/1000 MS (java/others) Memory limit:65536/65536 K (java/others)Total submission (s): 553 Accepted Submission (s): 223Problem Descriptiondear contestant, now a excellent Navy commander, who is responsible of a tough mission Ly.Your Fleet Unfortunately encountered an enemy fleet near the South Pole where the geographical conditions is negative for Both sides. The floating ice and iceberg blocks battleships move which leads to

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