PHP Full Stack Learning Notes 13
php and ajax technology
With the arrival of web2.0, Ajax has gradually become the mainstream, what is ajax, the development mode of ajax, the advantages, and the use of technology.(ajax overview, technology used by ajax, issues to be noted, application of Ajax technology in PHP)
What is ajax ...
Posted by Chelsove on Fri, 10 May 2019 16:46:59 +0200
We all use utf8 code in development. Yesterday we encountered a strange pit. It was a small problem and wasted an hour to solve.Don't talk too much. Implant the topic:
File download method: download from header binary stream fileRequirement: File upload keeps file name unchangedData field file_url value: /public/upload/files/2019/04-29/Chinese ...
Posted by Irksome on Fri, 10 May 2019 11:18:03 +0200
Rich text editor is powerful and easy to use. I use Baidu Rich Text Editor. First of all, I need to download it well. demo of Baidu Editor，
Then create the ueditor.html file, introduce Baidu Editor, then introduce it into the html file, and then use js to instantiate the editor. The code is as follows:
Posted by elle_girl on Thu, 09 May 2019 20:10:04 +0200
Why do we build this? It is very expensive to store a large amount of data on the block chain of Taifang. According to the Yellow Paper of ETF, it is about 20,000 gas, 256 bit/8 bytes (1 word). Based on 02/28/2018 gas price is 4 gwei/gas. Please refer to: https://ethgasstation.info Know the current price.
Each transaction has 8 bytes of 20,000 ...
Posted by thepreacher on Wed, 08 May 2019 18:00:02 +0200
Erlang dependency libraries:
GCC Compile and use
Ncurses Can be in Linux A Library for Writing Character User Interface in Terminals
OpenSSL It is a powerful secure socket layer cryptographic library, including the main cryptographic algorithms, commonly used key and certificate encapsulatio ...
Posted by rocketsprocket on Wed, 08 May 2019 12:20:03 +0200
I. Creating the mirror image of lnmp
1.1. dockerfile creates php7.2.16 image
1. 2. dockerfile creates nginx-1.15.7 image
1.3. The php image is pull ed directly on the docker warehouse
2. Running lnmp environment through dockerpose-compose
2.1. Install docker-compose
2.2. Run the lnmp environment with docker-compo ...
Posted by anthonyw17 on Wed, 08 May 2019 11:35:02 +0200
Function Compute is an event-driven service. Through function computing, users do not need to manage the operation of servers, but only write code and upload it. Function computing prepares computing resources and runs user code in a flexible and scalable manner, while users only need to pay for the resources consumed by running the act ...
Posted by blui on Wed, 08 May 2019 01:50:03 +0200
Array method collation
all(), any(), none() and one() Testing whether all or part of the elements in an array satisfy a given condition. Conditions can be determined in a block of statements or parameters.
append() Equivalent to push()
bsearch() Dichotomy Finding Elements
bsearch_index() Dichotomy Finds Elements and Returns ...
Posted by ricoche on Tue, 07 May 2019 13:35:03 +0200
Infinite polar classification simply means that a class can be divided into several subclasses, and then one subclass can be divided into other subclasses indefinitely, as if windows could create a new folder, then create some folders in this folder, and some folders under the folder.
So how does PHP achieve its infinite classif ...
Posted by igul222 on Tue, 07 May 2019 03:05:03 +0200
Given a digraph of n points, tell you the relationship of m (a,b,c)(a,b,c)(a,b,c). A, C denotes node number, B belongs to'>','<','=', in one of the three types,'>'denotes a rank higher than c, less than C rank higher than a', ='indicates that the rank ...
Posted by m!tCh on Mon, 06 May 2019 09:55:04 +0200