PHP

In actual projects, we may need to use Chinese characters to generate pinyin into a database. For example, to generate a pinyin url for news titles, or to splice the category items for easy query, there are many application scenarios. My current

First, we use the TF-IDF algorithm to extract the keywords of the two articles and combine them into a set. If there are many keywords, we can use the heap to obtain the TOPK keywords. Then, calculate the word frequency of each article for the word

Phpmyadmin is a mysql graphic management interface. Here we will introduce you to adding mysql users in phpmyadmin. I hope this article will help you. Phpmyadmin is a mysql graphic management interface. Here we will introduce you to adding mysql

OPcache saves pre-compiled PHP scripts to the shared memory to improve PHP performance. The advantage of storing pre-compiled bytecode is that it saves the overhead of loading and parsing PHP scripts each time. PHP5.5.0 and later versions have bound

PHPExcel is a very powerful plug-in for excel operations. We can use the PHPExcel plug-in to read and write excel. Let's take a look at it. PHPExcel is a very powerful plug-in for excel operations. We can use the PHPExcel plug-in to read and write

MySQL supports many different data types, and selecting the correct data type is crucial for high performance. No matter what type you choose, the following simple principles will help you make better choices. 1. Select the Optimized Data

When you restore the BAK file in the user area, if you see: No 1. bak file. Check whether the file exists. It may also be that the controlled version does not support this operation: Operation error. The related information is: the disk structure

Asynchronous file upload is usually implemented through ajax, some friends also said that using iframe to achieve this can achieve the goal, but it is not really a asynchronous upload. If the browser does not support irame, iframe imitation upload

Clustered index, data is actually stored in order, and the data page is on the index page. It is as if all topics are arranged in order in the reference manual. Once the data to be searched is found, the search is completed. For non-clustered

The following describes how to use Typecho to solve the problem of Gravatar being wall-mounted. Because google and some foreign websites cannot be opened, the Gravatar Avatar cannot be displayed, the following describes the solution to this problem.

Repeated form submission is definitely not what we need. The most common solution is to directly query the database using php for processing, today, I have sorted out three methods to prevent repeated submission of forms without querying the

Php itself is not ideal for multi-threaded processing, but if we use pthreads, the performance will be improved. Let's look at a PHP multi-threaded pthreads example. php itself is not ideal for multi-threaded processing, however, if we use pthreads,

Sometimes, when publishing content, We need to extract external images and store them on our servers. This can avoid affecting our website if the external images cannot be opened, now let's share the functions that Drupal implements this function.

Real-time check of account registration code is a feature that is currently used in WEB applications. This is mainly for user experience, don't wait for the user to submit the data and tell the other party that the data has been registered. This is

PHP-FPM if there is a storage leakage problem may cause insufficient server memory and thus cause the server resources to use up, this will cause the website to be unable to access, next let's take a look at a configuration to avoid Memory depletion

Let's take a look at an example of how to handle Wecenter errors installed on SAE. I hope this article will help you. Let's take a look at an example of how to handle Wecenter errors installed on SAE. I hope this article will help you. Script ec (2)

Php multi-dimensional array to one-dimensional array we use the most direct foreach, but how to use the php function to implement it, let's take a look. php multi-dimensional array to one-dimensional array we use the most direct foreach, but how to

Echarts is a jquery plug-in that can be used to upload map data. I will take a look at the following section about how PHP and echarts read map data and show examples. I hope the examples will be useful to you. Echarts is a jquery plug-in that can

Before using the namespace in asp.net, the new version of php already has a namespace. How about the new version of php namespace? Let's take a look at the next article. Before using the namespace in asp.net, the new version of php already has a

Required knowledge: mysql encoding: installation directory in mysql, for example, E: ProgramFilesMySQLMySQLServer5.0my. ini can find the mysql library encoding, in most cases, can be set to uft-8: default-character-setutf8 or gbk: