Course Intermediate  11357

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Course Advanced  17659

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Course Advanced  11371

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

Course Introduction：The problem that the laydate time component can only assign a value to the first input box when there are multiple time input boxes in Firefox browser

2016-08-20 comment 0  1750

Course Introduction：In a multi-table association query statement, placing a huge user ID array in in causes the query time to be too long. How to optimize it? 1. The query statement is as shown below, and the execution time is 147.4ms.

2016-12-05 comment 0  1523

Course Introduction：I wrote a relatively bad directory file listing program that supports multiple systems, can be sorted by time, and can enter multi-level directories. Please add other functions yourself. Please criticize and correct me more! ! ! 0){ while(list($key,$val)=each($p)){ echo ; echo $val; echo creation time: .@date(Y-m-j:H:i:s,$key).; } } unset($p); unset($cd); if($cf>0){ while(

2016-07-13 comment 0  927

Course Introduction：Below is a MySQL function that calculates the duration in years, months, days, hours, minutes and seconds between two dates. mysql>DROPFUNCTIONIFEXISTSDuration;QueryOK,0rowsaffected,1warning(0.00sec)mysql>DROPFUNCTIONIFEXISTSLabel123;QueryOK,0rowsaffected,1warning(0.00sec)mysql>DELIMITER//mysql>CREATEFUNCTIONDuration(dt

2023-09-10 comment 0  1054

Course Introduction：According to news on March 8, Apple recently released a blog post stating that in order to combat the leakage of European iPhones, Apple users will not be able to use third-party app stores if they are outside the EU for a "long period of time." Apple updated its blog today to quantify this "long time" and confirmed it to be 30 days. The translated official statement from Apple is as follows: Users can still open and use applications previously installed through third-party app stores when they leave the region of an EU member state. Within 30 days after users leave the EU region, they can continue to update these applications through the third-party application market, or they can continue to use the third-party application market to manage previously installed applications. However, users must be in the EU to install third-party app markets, as well as new apps from third-party app markets. apple

2024-03-08 comment 0  710