PHP implementation of the method to get the domain name summary, PHP get the domain name summary
This paper summarizes the method of getting the domain name by PHP implementation. Share to everyone for your reference. The implementation method is as follows:
Method one (with system variables)The copy Code code is as follows://disadvantage does not use the passed-over address and host that does not support
PHP Several predefined variables $_server usage Summary, _server Summary
This paper summarizes the usage of several predefined variables $_server in PHP. Share to everyone for your reference. Specific as follows:
Copy the Code code as follows: Echo ' DocumentRoot: '. $_server[' Document_root ']. ''; The root directory, defined in the Apache configuration file: httpd.conf For example: DocumentRoot "D:/work/
Summary of common mathematical functions in PHP, summary of mathematical functions
This paper summarizes and analyzes the common mathematical functions of PHP. Share to everyone for your reference. The specific analysis is as follows:
ABS () function definition and usage: Returns the absolute value of a number.
Syntax: ABS (x), the code is as follows:Copy the Code code as follows: $abs =abs (-3.2); $abs =3
Chrome Web App Development Summary, Chromewebapp Summary
Objective
This article focuses on the problems and processes that you encounter in developing web apps, and some of the pits that have been (how) filled. If you want to "how to develop Web App" or "30 minutes to learn to develop Web app," Please visit the Official Development Manual (documentation). (with links below).
Background
It feels like everyo
Summary of problems in installation, configuration and use of Mantis, Mantis summary
Development needs, installation Mantis (Mantis Bug Tracker, defect tracking system defect management platform), under the latest version, the official address is http://www.mantisbt.org/download.php. installation.
It is not smooth sailing, but rather bumpy. Now summarize, convenient for later use. (PS: Latest version manti
Suggestion Development Summary and summary of Keyboard Events (for Chinese Input Method Status). For more information, see. Important Keyboard Events:
Event Sequence: keydown-> keypress-> keyup
When the input method is Enabled:
Keypress:
The most special events in these three events can be used with half the effort:
1. First, there is no keypress event for most function keys.
Caps lock, shift, alt, ctrl,
CSS selector usage summary, css selector Summary
1. Element Selector
Definition: You can switch a style from one element to another.
Example: If you set an HTML style, the selector is usually an HTML element, such as p, h1, em, a, or even html.
html {color:black;}h1 {color:blue;}h2 {color:silver;}
2. Type Selector
Definition: The type selector matches the name of the element type in the Document Language, a
Summary of select option exceptions, selectoption Summary
Source: http://www.ido321.com/1189.html
Yesterday, I encountered the option display exception cause in the project, as shown below:
Effect after using css in Firefox
Css in chrome and IE does not work.
Code:
I tried it for a long time. I also found a method on the Internet, but it was fruitless. I just had to ask Daniel. Daniel suggested that I c
Summary of Mysql slow query operations and summary of mysql
Mysql slow query explanation
The slow query log of MySQL is a log record provided by MySQL. It is used to record the statements whose response time exceeds the threshold value in MySQL, specifically the SQL statement whose running time exceeds the long_query_time value, the log is recorded in the slow query log. The default value of long_query_time
2015211233090 Java programming 1st weekly learning summary and javaio stream learning Summary
1. Learning Summary
A preliminary understanding of Object-Oriented Programming
Use eclipse to associate git to manage code
Java
2. Written Assignments
P: Why can java programs run across platforms? What are the steps for executing a java program? (Please write in your ow
JAVA class summary, java class SummaryJAVA class Summary
I recently read some content related to java internal classes and made some summary. Released in sync with my blog zhiheng. me. Title: JAVA class summary.Top-level and Nested classes
A class defined within a class (or interface, the same below) is called a nested class. The corresponding class is called the
Python _ problem record summary and python record summary
Python IndentationError: unindent does not match any outer indentation level problemCompile a job in python. I first used notepad ++ to edit the job. Then I went back to bed and used pycharm to edit it. This problem occurred when I wrote a function test, in fact, it is a matter of indentation, because the newline of notepad ++ uses spaces, while the
Closure summary in Python and closure summary in Python
A few days ago, someone posted a message in my article python project Exercise 1: Mark it instantly, but I am not sure about the use of a closure and re. sub. I searched my blog and found that I didn't write anything about closures. So I decided to sum up and improve the Python content on my blog.
1. Concepts of closures
First, we have to start with th
Summary of the collectionThe above article describes how to handle different types of collections,The size of the array is fixed,but you can use the list as a dynamically growing collection.queues access elements in FIFO.the stack accesses elements in a last-in-first-out manner.linked lists can quickly insert and delete elements,But the search operation is slow.dictionaries can be used with keys and values,its search and insert operations are faster.s
Summary of simple factory mode and factory method mode, and summary of factory mode methodsI. Concepts and Class Diagrams
1. Simple factory mode (static factory Mode)In the simple factory mode, the factory class can return instances of different classes according to different parameters.2. Factory method mode (polymorphism Mode)The core of the Factory method mode is the abstract Factory class Factory. Vario
Summary of win10 system recovery methods and win10 System Recovery Summary
As the saying goes: When we often walk by the river, we can't avoid system crashes when we often use computers. Can we just take out the re-installed CD and USB flash disks at this time, if the system is win10, it is unnecessary (the method inherited from win8, so win8 can also be used in imitation), because the remedy measures of t
Ajax usage summary and Ajax usage Summary
I. What is Ajax?
Ajax is called "Asynchr JavsScript and XML" (Asynchronous JavaScript and XML) in English. It is a development technology for creating interactive web pages.
Ii. Core of Ajax technology
Ajax is the integration of a series of related technologies. Its core technologies include XMLHttpRequest, JavsScript, and DOM. Json or XML technologies may be used f
Use regular expression summary and regular expression summary in the database
This article provides two examples to illustrate the use of regular expressions in the database.
Example 1:
Create function dbo. regExpTest (@ source varchar (), -- source string to be matched @ regexp varchar (), -- Regular Expression @ ignorecase bit = -- Case Sensitive, false by default) RETURNS bit -- RETURNS the result-false,
Summary of problems encountered during connection between C ++ and mysql, and summary of mysql
Recently, I have been familiar with a lot of database things. I have been familiar with SQL server, but I started to connect to mysql because of project requirements. Let me talk about this cainiao experience.
For C ++ to connect to mysql, I do not like to download a software mysqlodbc, so I use mysql's own API fu
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