Programmer Think

Get a framework, in addition to understanding the framework, but also to achieve the basic CURD operation. Add to 1. Configure route, specify add page; // Add the following in routes/web.php: // Add page and storage path Laravel7/resources/views/Users/add.blade.php // The view file ends with. blade.php by default Route::get('/add', function(){ ...

principle Raw data - > Load template - > temporary file - > PDF file Scheme preparation html template to pdf Difficulties: 1. Find a designer for every change; 2. html style is difficult to control (I'm not good at it); 3.html to pdf style is difficult to control word template to pdf Difficulties: 1. Selection of appropriate plug-in ...

Swoole It is an excellent PHP extension, which can realize the resident service and asynchrony that native PHP is difficult to achieve. Just in time, I had a project on Laravel that I could toss about, so I studied it. Laravel project is based on composer, so I post the require declaration in my composer.json:   { "require": { "ph ...

First on the renderings: Installation environment Centos,php7,MongoDB3,nginx php extension mongodb: http://pecl.php.net/package/mongodbtideways_xhprof: https://github.com/tideways/php-xhprof-extension Install MongoDB3 By default, MongoDB2 is installed in my environment yum. xhgui requires version 3 or above. Create a yum source for MongoDB3 vi ...

1, String substitution str_replace("iwind", "kiki", "i love iwind, iwind said"); //Will output "i love kiki, kiki said" str_replace(find,replace,string,count) parameter description Find required. Specifies the value to find.   Replace required. Specifies the value to replace the value in find.   String required. Specifies t ...

The TronTool development package is suitable for rapidly increasing the support ability of Tron/USDT-TRC20 digital assets for PHP applications, that is, it supports the application scenarios using its own Tron blockchain nodes, and also supports the lightweight deployment scenarios based on the official public API services of Tron. Official dow ...

1. Download Android SDK http://tools.android-studio.org/index.php/sdk/ I downloaded: Android sdk_r24.4.1-linux.tgz 2. Unzip Android SDK Copy the Android sdk_r24.4.1-linux.tgz file to a directory in the Linux file system. My directory is / usr/local/ Execute command decompression: tar -zvxf android-sdk_r24.4.1-linux.tg ...

Specify the number, sum, and minimum of arrays to get a set of random numbers The original requirements are as follows: Given sum SUM(A), given minimum number M, given length S of sequence, and precision P of each number in sequence, It is required that each number in the sequence must meet the requirements of a > = m, accur ...

In web applications, generally, some small-scale data and business changes, and other relevant business data also need to change. In this case, observer pattern is very suitable. Observer mode is usually implemented by using an interface called observer. If other classes want to introduce observers, they need to implement this interface For e ...

Jenkins is easy to get cramped sometimes. I configured the code in tomcat, which is not easy to use. I started because of the problem of nginx's reverse proxy, but later found out that Tomcat became a demon. The solution is to copy my Tomcat configuration, and then add parameters and modify on my basis. Error screenshots ...