'*************************************** ***********'Function ID: 0034 [this parameter is used to right-fill a specified number of characters to reach the standard length]'Function name: rpad'Usage: Fill in a specified number of characters on the
Log4j log Configuration
1. Configure the root logger:
Log4j. rootlogger = [level], appendername, appendername2
Level: the log level, which specifies the importance of the log information. It can be divided into four types: All
Debug (Object
Java code
In Java applications, the SimpleDateFormat class is usually used to format the date and time.
Public ClassSimpleDateFormatExtendsDateFormat
SimpleDateFormat is a country-sensitive method to format and analyze data. It allows formatting
"Turn" http://blog.csdn.net/samsone/article/details/75567811. Formatted currency (related to system environment, Chinese system default format RMB, English system format USD)String. Format ("{0:c}", 0.2) results are: ¥0.20 (English operating system
The following is a specific page content invocation code: Wordpess the code that invokes the content of a page is as follows: post_content;? > Post_author: (integer) The number of the author of the article Post_data: (character) date and time the
1. Formatted currency (related to system environment, Chinese system default format RMB, English system format USD)String. Format ("{0:c}", 0.2) results are: ¥0.20 (English operating system results: $0.20)The default formatting retains two decimal
Mysql light speed tutorial bitsCN.com
// By redice 2010.07.26// Redice@163.com
The MYSQL learning outline for the company intern summarizes the most useful knowledge points in project development and can be used as a MYSQL Quick Start tutorial.
1
MyBatis is used in the project, a more annoying problem is unable to see the specific circumstances of the executed SQL, So, find the Log4jdbc-log4j2. This is a jdb-based
MyBatis is used in the project, a more annoying problem is unable to see the
MySQL light speed tutorial
Date: 2010-07-29| Source: redice's blog|Author: redice|167 onlookers|0 people applaud! // By redice 2010.07.26
// Redice@163.com
The MySQL Learning Outline for the company intern summarizes the most useful knowledge
Detailed description of ASP. NET data format dataformatstring when we present data, do not present unmodified data to users. For example, if the amount is 10 thousand RMB, If we directly display "10000", the user may be treated as one thousand or 100
First, set the autogeneratecolumns attribute of the gridview to false (the default value is false), and select the corresponding field in datafield, note that you must set the htmlencode attribute of the field to false. Otherwise, the format cannot
The solaris system uses the-o option of the ps command to view the CPU and memory occupied by the process. These options include: user ruser group rgroup uid ruid gid rgid pid ppid pgid sid taskid ctid pri opri pcpu pmem vsz rss osz nice class time
Log4net, c # log4net
In the project process, you must use the log function. I have made a set of logs for my projects, but I still use other mature dll, such as log4.
Log4-related documents are really many and comprehensive, but I still want to
Mysql Date and Time Type
Current_time display current time now () display current date and time type YEAR 1 byte 1901 ~ 2155 zero value 0000 DATE 4 byte 1000-01-01 ~ 9999-12-31 0 value 0000: 00: 00 TIME 3 bytes-838: 59: 59 ~ 838: 59: 59 zero value 0
Access to DateTime data in Android Sqlite
There are a lot of online accesses to date-type data in sqlite, but they are rarely mentioned in this detail. Date is used instead of Statistical Analysis of Date data, which is directly converted to long,
Conversion between java time and string
1. convert long string to yyyy-MM-dd HH: mm: ss format output
Import java. text. simpleDateFormat; import java. util. date; // convert the long String to the format time output public class LongToString
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