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the new image. Then, the ratio is exceeded by the actual width and height of the source image. I set $ end_w = 200 and $ end_h = 150 to a value smaller than the source image. For example, set $ end_w = 100, $ end_h = 150 The function truncates the source image width by 100 and then pulls it until 200. : 2. set $ start_w = 0, $ start_h = 12.5. you want to compress the image to 100*75 and take the middle part of the 50 section. Set $newimg=imagecreatetruecolor(100,50);ImageCopyResampled($new

Use the GD2 function to draw a geometric image (PHP image typical tutorial 4) This article mainly explains how to use the GD2 function to draw a geometric image. First, we need to create an image, as we mentioned in the previous article, creating an image is the first step in all image operations. then, draw the outline of the image based on coordinate points on the background, and finally output the image! In the previous article "using image processing technology to generate a verification cod

How can I switch to the root user mode in ubuntu? after installing ubuntu, I wonder if I have such doubts. how can I switch to the root user. In fact, this is the problem. after we install the system, the default root user is not activated. if we want to switch to the root user, we must... how can I switch to the root user mode in ubuntu? after installing ubuntu, I wonder if I have such doubts. how can I sw

4 tag styles in php. Today, I saw the error code from a new user while reading the forum. I haven't found any errors for a long time. What do I wonder about? (Why ?) Haha. Later, I found the mark problem. he showed me the error code of a new player when I was reading the forum today. I haven't found any error for a long time. What do I wonder about? (Why ?) Haha. It was later discovered that the mark was in

Introduction JSP Standard Template Library (JSTL) is a new component developed for JSP by SUN. JSTL allows you to use tags for JSP page development, rather than using scriptlet code that most JSP programmers are used. JSTL can do almost anything that traditional JSPscriptlet code can do. You may wonder why we need an introduction. The JSP Standard Template Library (JSTL) is a new component developed for JSP by SUN. JSTL allows you to use tags for JSP

At first, I had this requirement because I had always compiled an error when I used YaH3C to replace iNode for campus network authentication. I was prompted that I could not find a Python module. Baidu had a try, this module is available only in Python2.7 and later versions, but the Python version 2.6 is included in the system. it is no wonder that this module has never been connected to the Internet. So I continued to install Baidu and google, and th

Wireshark installed through apt-get in Ubuntu12.04 does not seem to be able to be started, and a warning will be reported. it may be related to changing the software source. after wireshark is installed in the ubuntu Software Center, it can be opened normally. however, Therearenointerfacesonwhichacapturecanbedone may occur. I wonder whether it is caused by apt-get installation. how to solve this problem: http: // w Wireshark installed with apt-get In

increasing function, the more complex the model, the greater the rule value. For example, a rule item can be a norm of a model parameter vector. However, different choices have different constraints on the parameter w, and the results are different, but the common ones in our paper are: 0 norm, one norm, two norm, trace norm, Frobenius norm, nuclear norm and so on. So many norms, what exactly do they mean? What is the ability? When is it going to work? When do I need to use it? No hurry, let's

http://blog.sina.com.cn/s/blog_dbc528b10101hppg.htmldo Android Open classmate often tangled how can use some beautiful font to get user's heart, if you want to achieve this goal, then TTF font is essential. What is a TTF font? There may be many unfamiliar with the TTF fontClassmate a look so unfamiliar name is frightened, do not worry, in fact he is not terrible. The so-calledTTF is actually a format, just like this, like "123.ttfand123.txt"Is the same, the". txt "document is a saved text, and T

Treatment of tumors with TCMTian Ze Tang Lonronc abdominal mass realize the dream of rehabilitation of tumor patientsWe are a professional Chinese medicine for Cancer Cancer hospital, with the forefront of scientific and technological research and development team, developed a magic effect of non-toxic side effects of Chinese medicine anti-cancer drugs, wideSpectral efficiency, can be widely used in liver, lungs, stomach, esophagus, mammary gland, ovary, cervix, spray door, lymphatic, intestinal

front-end parsing string has a hole AH)?3. What are the solutions or ideas for wood? The problem of XSS defense has been studied recently. After all, such as user-registered API, may be exploited by hacker, forcibly submitted "" Such user name. And then the Web front end all have to display the user name place ...So... Boom ... Straight into focus:I see a lot of defense against XSS is PHP's htmlentities function or Htmlspecialchars.At random Baidu, seemingly thinkphp3.

Recently saw some of the framework PHP portal files are placed in subdirectories, such as the TP5 framework portal file in the public directory of the package, as well as the new Fingers CMS Portal file is not in the root directory of the program, but in a subdirectory of the file, so that the domain name is bound to the program subdirectory, I wonder why the entry file is placed in the program subdirectory, what is the benefit of doing so, and this s

Update table_xxx set a=a+1 where documentid=123 If the database is 10, then 11 is executed.But the final result is always 12, I have been depressed for a day, how to do. The program does not have any problems, I use the MySQL class, and the original SQL have tried, all this problem, before the development of the time also did not encounter, the development of a year encountered such problems can not solve, feel is a git, ask the great God advice Database structure: CREATE TABLE comment_top_foot

class base{ public $dog = array('color'=>'red','age'=>3);}class one extends base{ public function set($key,$value) { $this->dog[$key] = $value; }}class two extends base{ public function set($key,$value) { $this->dog[$key] = $value; }}$one = new one();$two = new two();$one->set('color','yellow');print_r($one->dog);//Array ( [color] => yellow [age] => 3 )print_r($two->dog);//Array ( [color] => red [age] => 3 ) After you want the $one object to change the dog attr

The following examples are found online and are not actually available. Please help to point out the problem? I wonder if this class does not need to manipulate the database and query which table? Class Page {private $total; Total Records private $pagesize; How many private $limit are displayed per page; Limit private $page; Current page number private $pagenum; Total page number private $url; Address private $bothnum;

When using PHP fgetcsv batch import CSV file to the database, because of some Chinese problems caused by this problem. I wonder if there is any better solution? Thank you! Iconv (): detected an incomplete multibyte character in input string Reply content: When using PHP fgetcsv batch import CSV file to the database, because of some Chinese problems caused by this problem. I wonder if there is an

Today found the site has a problem, httpd CPU occupied high. Viewing the apache\logs\access.log Discovery Request Response time has reached a few hours and the HTTP status code is 500. To view the configuration apache\conf\extra\httpd-default.conf : Timeout 60 apache\conf\httpd.confIn Include "conf/extra/httpd-default.conf" I wonder why the timeout setting is not effective when the response time is more than 60 seconds. Reply content: Today

I have a topic table, including content title author and other information, accompanied by a Topic_extra contains the number of replies, likes, satisfaction reply, update and other information. A total of 14 fields, each table after the split is only six or seven, I think the table can be small, small bar. The contradiction is that when the query needs to be federated, plus the user table, and other permissions control may be 4 tables join together, but write most of the Topic_extra. I

Like publishing articles, the content obtained through the editor generally have P, IMG and other HTML tags, such content is not straip_tags to filter. The general editor automatically escapes HTML tags, but an attacker could bypass the editor and wonder if such content needs filtering, and if so, how to filter it? Reply content: Like publishing articles, the content obtained through the editor generally have P, IMG and other HTML tags, such cont

I have a set of audio needs to loop upload pre-transcode to seven kn. The information I need to return is returned in the order in which they were uploaded. I wonder if the seven-ox upload return result is asynchronous? Who successfully returned the message first? Reply content: I have a set of audio needs to loop upload pre-transcode to seven kn. The information I need to return is returned in the order in which they were uploaded.I