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Centos6.5 builds php environment (nginx mariadb php7)

PHP is a piece of cake. It is my first time to write bolg. If there is anything wrong, please point it out 1.mariaDb vim /etc/ yum .repos.d/MariaDB.repo [mariadb ] name = MariaDB baseurl = http:// yum.mariadb.org/5.5/centos5-x86 gpgkey =https://yum.mariadb.org/RPM-GPG-KEY-MariaDB gpgc

Jul 06, 2016 pm 01:31 PM

php build environment

In-depth learning of Yii2--yiibaseEvent class

According to a previous article, we know that Yii2 events are divided into two categories, one is class-level events, and the other is instance-level events. Class-level events are implemented based on yiibaseEvent, and instance-level events are implemented based on yiibaseComponent. Today, let’s first look at the implementation of class-level events. The code is the yiibaseEvent class. ?phpnamespa

Jul 06, 2016 pm 01:31 PM

base event yii2 study go deep

Convert RMB value to Chinese capital letters

class Num2RmbClass{ /* * * Convert RMB value to Chinese uppercase * @author SunsCheung * @time 2015.11.11 * @param string $number The default value is 0 * @param string $int_unit Currency unit, the default is "yuan", some requirements May be "round" * @param bool $is_round whether to round decimals *

Jul 06, 2016 pm 01:31 PM

class Chinese RMB capital numerical value

PHP object-oriented programming has an in-depth understanding of method overloading and method coverage (polymorphism)

What is polymorphism? Polymorphism literally means multiple states. In object-oriented languages, multiple different implementations of an interface are called polymorphism. Quoting Charlie Calverts' description of polymorphism Polymorphism is a technique that allows you to set a parent object to be equal to one or more of its child objects. After the assignment, the parent object can be based on the current

Jul 06, 2016 pm 01:30 PM

php Polymorphism object method go deep understand programming cover Overload For

phpjson format control

Regarding the issue of json, novice friends have come to me one after another to ask, for example, why I output {1:item1,2:item2,3:item3} instead of [item1,item2,item3]. PHP arrays and JS arrays are represented here using the above syntax of PHP 5.4. There are associative arrays and index arrays in php, for example: ?php // Index array $arr = [ item1

Jul 06, 2016 pm 01:30 PM

json about control Format this question

The last day of 2015

Today is the next day in 2015, and I will get off work at 3:30. It was also my fifth month after graduation and joining this company. After graduation, I will learn PHP. I like this and hope to give myself a future through my own efforts. There’s nothing to say, come on, 2016! !

Jul 06, 2016 pm 01:30 PM

one day at last

Website Development Series 1 Server Environment Construction

First of all, the audience of this series of articles is those who have just graduated and want to do website development, or are in other development positions and want to learn about introductory tutorials on website development. By default, readers have computer-related professional foundations and will skip a lot of basics. The details of the principles can be found on Baidu or later. In addition, the characteristics of the programming language itself will not be covered a lot. Well, let me briefly introduce myself. I am South China Agriculture.

Jul 06, 2016 pm 01:30 PM

build article server environment series website development first

Some usages of echo

echo content file name (will overwrite all the content in the file) echo content file name (append content to the file, will start a new line and write it)

Jul 06, 2016 pm 01:30 PM

echo content document file name usage cover part

After the token verification of WeChat subscription account development, the automatic reply message function is ready and the message is sent.

I believe many people will be like me. After the token is verified, a message is sent to the subscription account, but no message is returned. Below, let me talk about the solution I got through hard debugging: First, token verification: The token I wrote has always failed to verify. I searched for it for a long time, but no bug was found. There was really no other way, so I used the official sample code. And through debugging the sample code, I found

Jul 06, 2016 pm 01:30 PM

token reply WeChat information automatic subscription verify

[Android] Chapter 5 (4) Radio selection and check selection

Category: C#, Android, VS2015; Creation date: 2016-02-07 1. Introduction 1. CheckBox [Checked] attribute: whether to check or not. 2. RadioButton radio button [Checked] attribute: whether to check. [RadioGroup] attribute: RadioButton’s group container. Note that the RadioButton must be included in the RadioGroup. two

Jul 06, 2016 pm 01:30 PM

android vs Classification Single choice

【Android】Chapter 5 (8) Picture Gallery (Galery)

Category: C#, Android, VS2015; Creation date: 2016-02-07 1. Introduction The gallery (also called gallery) is a layout widget used to display each picture in a horizontally scrollable list. The currently selected The image will be centered in the view. Note: Android has deprecated this widget. The reason for deprecation is that the efficiency of using Galery is relatively low.

Jul 06, 2016 pm 01:30 PM

android Classification Picture gallery

How to solve the problem that the CPU surges to 100% when imagick is running in multiple threads

If you install imagic to the /usr/local/imagemagick directory, first use the /usr/local/imagemagick/bin/convert -version command to check whether the output content has enabled multi-threading. If the value of Features: is empty or DPC, it means it is single-threaded. , if the value of Features: is openMP, it means multi-threading. The multi-threading mode of imagick has a bu

Jul 06, 2016 pm 01:30 PM

cpu imagick lead to thread Runtime

In-depth learning of Yii2--Event

Let’s first look at the use of events in Yii2. The following content is taken from the Yii2 Chinese documentation. Events can inject custom code into specific execution points in existing code. Attach custom code to an event and the code will automatically execute when the event is triggered. For example, the messageSent event can be fired when a mailer object successfully sends a message. If you want

Jul 06, 2016 pm 01:30 PM

event yii2 event study us go deep

PHP json_encode function problem

Problem with php's json_encode function: $ary = []; $ary[0] = 'a'; $ary[1] = 'b'; echo json_encode($ary) . 'br'; echo json_encode($ary, JSON_FORCE_OBJECT ); Result: ["a","b"] {"0":"a","1":"b"}

Jul 06, 2016 pm 01:30 PM

encode json php function question