PHP generates images-can PHP reduce the memory size of a picture without changing the image scale

Upload a picture with a mobile phone, has generated a thumbnail, 120 words will not be clear, the generationof 360 customers and 80k large, there is no way to reduce the proportion of pictures in the picture quality, just like PS Reply content:

Developer in window Environment asked about the development of Linux environment?

What is the experience of using Linux development? There are a lot of problems with window development (such as plug-in installation), but the network can basically find the corresponding solution. Do you encounter inconvenient problems with Linux

memcached-php installing Memcache Extension API inconsistency issues

Mamp using PHP 5.4.42 This version of the Mac to generate memcache.so, found that the generated library file references are unsuccessful, the error message is as follows: [05-Mar-2016 10:12:53 Asia/Shanghai] PHP Warning: PHP Startup: memcache:

How do I know the URL of the WeChat terminal program?

I am concerned about this program in, how to open on the computer side, for style debugging and testing? End program and PC side what is different, want to share the tutorial and articles in this area. Reply content: I am concerned about this

Javascript-ajax Mobile request failed??

This is the case, I use Chorme's mobile debugging can be used successfully Ajax, but the mobile phone (my phone is Huawei Mate7) Open execution is invalid, this is why? Reply content: This is the case, I use Chorme's mobile debugging can be

YII2 How to verify the form data submitted by the app client

yii

Title.... Because just started to learn YII2 framework, know the model of the Rules method can fill in the validation rules, but he seems to only verify the PC-side page with ActiveForm generated form data, then the mobile client submitted by the

Laravel5.2 after the installation of Linux system, open the Web site appears blank page, console error 500

Environment: Laravel5.2+nginx+php+mysql. is to first configure the local laravel file, and then the entire project package, migrated to the server site, everything is configured, with the domain name to open the Site page blank, the browser console

PHP Novice Learning

is learning PHP, where to find some suitable for novice practiced hand small projects, for recommendation. This issue has been closed because of a discussion-based question of non-technical questions Reply content: is learning PHP, where to

PHP ftp_connect () returns BOOL (true)

The code is as follows $ftpServer = "192.168.1.118";$ftpUser = "hqzn-ftp";$ftpPwd = "123456";$conn = ftp_connect($ftpServer) || die(printf("Couldn't connect to $s", $ftpServer));var_dump($conn);$login_result = ftp_login($conn, $ftpUser,

The great God who will dedecms, please come in!! Kneeling

Just got the offer first day, the leader let me imitate stand down to dedecms in. I've never had this before, I haven't had a clue for a day, I've only got a homepage, the navigation bar on the homepage is out, but the point link always appears the

WeChat public Number JS API payment, Android has no effect (will blink and disappear)

The code below, iOS can pay, but on the Android phone will appear pay reading bar (that three points), and then disappeared, did not jump out of the input password to pay the interface .... Call the JS API to pay function Jsapicall ()

Code uploaded to the server displays a blank page

After installing phpwind9 locally, and then copy the code and the database to the server, the results open to display a blank page, request status 200 no problem, is to display blank, with static pages to do the test is also possible, there is no

Why does this code sometimes not show what you just inserted?

Sometimes after the submission can show that the data you just inserted is sometimes submitted after the data has been inserted, and so on, and then insert a piece of the show is not shown just now, I have tried many times there is no rule. What is

PHP Database Output issues

$result = mysql_query('"SELECT * FROM jo_postWHERE id='.$id.'"'); So why can't I output the database content? Reply content: $result = mysql_query('"SELECT * FROM jo_postWHERE id='.$id.'"'); So why can't I output the database content? PHP

Database data in the browser display garbled (with the browser, the same data source, the same utf8, different servers)

The same MySQL data source, the same browser, access line test without garbled, localhost access is garbled, I think this is not a server environment problem? Added: Chinese display in MySQL is normal.Add: Both local and test server php.ini are

PHP constant issues

Wrote for some time PHP There's a problem in particular that I don't understand. Why use define()Defining constants And its value can be a variable, feel completely illogical!! Reply content: Wrote for some time PHPThere's a problem in

Unix-Want to use PHP to control other applications under Linux configuration files, file permissions How to do?

You want to use PHP to manage the configuration files for other applications under Linux, such as generating DNSMASQ profiles. The problem is that PHP is running under the Apache or Nginx, the Operation permission is Www-data or Nginx. The

How does curl traverse the JS jump link?

Want to use Curl traversal crawl site, but a site link is to use JS jump, ask there is no way to crawl? What if Ajax loads part of the page? Its site links are similar to this: title Reply content: Want to use Curl

Yii2 Yii:: $container The setter of the set class is invalid?

if(isset($_COOKIE['gridShowRows'])){ Yii::$container->set('yii\data\BaseDataProvider',[ 'pagination'=>[ 'pageSize'=>$_COOKIE['gridShowRows'] ] ]);} Yii\data\basedataprovider has a setpagination method. public function

Questions about how XML is parsed in PHP

I'm going to deal with such an XML now Extra Long Standby "Battery life:" "charge estimate:" "Battery life" "charge

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