Collection of commonly used tools

01May2024

The Java function library provides a variety of date formatting tools: SimpleDateFormat: You can use pattern strings to format and parse dates. (Example: yyyy-MM-dd) DateTimeFormatter: A more comprehensive formatting tool provided in java.timeAPI, created through pattern strings. (Example: yyyy-MM-dd) Joda-Time: Apache community’s date and time library, providing more advanced functionality. (For example: time zone processing, date range operations)

03May2024

Java provides a variety of date and time tools, including: java.util.Date: represents a millisecond timestamp of a specific date and time. java.util.Calendar: Higher-level date and time operations, using a Calendar field to represent the calendar type. java.time package: More modern date and time processing functions, including LocalDate, LocalTime, LocalDateTime and ZonedDateTime classes. In practice, we can use these tools to calculate the meeting duration, calculate the duration between the start and end time through Duration.between(), and convert it into hours and minutes

21Jul2016

Summary of commonly used MySQL date and time functions. Get the current date + time (date + time) 1.1 Function: now() Related functions: current_timestamp(), localtime(), localtimestamp() Example: 2. Get the current date (date) Function:

29Jul2016

: This article mainly introduces the most complete collection of commonly used PHP tools. Students who are interested in PHP tutorials can refer to it.

16Oct2023

Commonly used functions in informix include mathematical functions, string functions, date and time functions, data type conversion functions, sorting and grouping functions, connection functions, conditional functions, statistical functions, subquery functions and date and time functions. Detailed introduction: 1. Mathematical functions, AVG(), COUNT(), MAX(), MIN(), SUM(), ABS(), ROUND(), TRUNC(); 2. String functions, LENGTH(), SUBSTRING() and so on.

13Jul2016

Summary of commonly used dates and times in PHP. This article summarizes some common uses of date and time in PHP. Friends in need can refer to 1. Year-month-day echo date('Y-m-j'); 2007-02-6 echo date('y-n- j'); 07-2-6 uppercase

16May2016

This article mainly introduces a collection of commonly used tools for WEB front-end designers. It is very comprehensive. Do you want to become an excellent WEB front-end designer? Then you should study this article carefully.

12Jul2016

The most complete collection of commonly used PHP tools. The most complete collection of commonly used PHP tools, ?php/** * Helper class * @author www.shouce.ren */class Helper{/** * Determine the current server system * @return string */public static function getOS()