Linuxcompression and decompression methods of common compression formats?Date:2005-01-20??Source:linuxbyte??LinuxEnthusiasts?. Tar?Unpacking: tar xvf filename.tar?Packaging: tar cvf filename.tar DirName?(Note:TarIt's packing, not compression! )?---------------------------------------------?. gz?Unzip1: gunzip filename.gz?Unzip2: gzip-d filename.gz?Compression: gzip FileName?. tar.gz?Unzip: tar zxvf FileName.tar.gz?Compression: tar zcvf FileName.tar.gz
1.Date Object IntroductionA Date object has multiple constructors.NewDate ()NewDate (milliseconds)newdate (datestring) newdate (year,month) newdate (year,month,day) new new date (year,month,day,hours,minutes) newdate (year,month,day,hours,minutes, seconds) newdate (year,month, day,hours,minutes,seconds,microseconds) If there are no arguments, the current date is returnedIf the argument is a number, the number is treated as a millisecond value and converted to a dateIf the argument is
Java gets the current time of the system and formats createtime--2018 May 9 11:41:00author:marydonThere are two ways of implementingImportJava.text.SimpleDateFormat;ImportJava.util.Calendar;Importjava.util.Date;/*** Get System Current time * @descrition using calendar implementation *@paramformat *@return */ Publicstring Getsysdatestr (string format) {Date sysdate=calendar.getinstance (). GetTime (); Format= "". Equals (format)? " Yyyy-mm-dd HH:mm:ss
Examples of usages of Excel custom formats
This style with up and down arrows uses the custom formatting of Excel to automatically change the direction of the arrows and the font color as the data changes.
In fact, it is not difficult to achieve this effect.
Select the C2:c10 cell range and press ctrl+1 to eject the Format Cells dialog box.
Under the Number tab, click Custom, and in the Format box, enter the following format code:
[Blue]↑0.0%;
WPS table, setting cell formatting is one of the most common operations that users work with. A new version of the WPS table allows users to format cell text in a variety of formats, and this article gives a brief introduction to the techniques for formatting multiple formats. Includes the following areas:
1. The setting of multiple colors of the cell. 2. The setting of the cell slash header. 3. How to ins
Numbers can flag currencies, percentages, points, and phone numbers, and in the case of currencies, are defined in different formats in different countries, this example will receive the number entered by the user and then output the currency format in the console using different currency formats.
The idea is as follows: Use the Getcurrencyinstance () method of the NumberFormat class to create different ob
=================================================My summary: A summary of the date-time formats in Java=================================================1, date and time related to the class:First: java.util.Date;Second: Java.util.Calender;Third: Java.text.DateFormatIV: Java.text.SimpleDateFormate2. Step method:1 steps to obtain the system datetime (using date Get):Step one: Determine the event format to output simpledateformate SDF = new Simpledatefor
What video formats does the Focusky support to import? Focusky Slideshow Maker Software is a powerful multi-functional multimedia presentation maker. You can add multimedia elements, such as pictures, text, video, and Flash players, on the Focusky slide page, and then show them through the Focusky 3D zoom effect. This slide with a 3D zoom effect with video is more dramatic than the PowerPoint presentation.
While Focusky supports importing the added v
In the appreciation of a variety of video files, I believe that we generally choose the storm audio and video to play, and the main reason is the Storm audio and video support for most of the format. In fact, in Win 7, the use of their own media center can play a variety of video files. Below, I will tell you how to let the Media Center to support more video formats.
First from the download specifically for Win 7 decoder package tailored win7codecs (
A Mysql Binlog Format IntroductionMysql Binlog logs are available in three formats, statement,mixed, respectively, and row!1.Statement: Every SQL that modifies data is recorded in Binlog.Advantages: No need to record the change of each line, reduce the Binlog log volume, save IO, improve performance. (compared to how much performance and log volume The row can save, depending on the SQL case of the application, the log volume generated by the normal r
Label:Oracle Trunc function handles date formats Select TRUNC (Last_day (sysdate)) +29+20/24 from dual--what time of day next month 2015/11/29 20:00:00 Select Add_months (TRUNC (sysdate, ' mm '), 1) +5/24 from dual--next month number 1th2015/11/1 5:00:00Select To_char (sysdate, ' Yyyy-mm-dd hh24:mi:ss ') from dual; --Show Current time2011-12-29 16:24:34 Select Trunc (Sysdate, ' year ') from dual; -Interception to year (first day of this year)2011-1-1
Label:Get the current time with now () on the line.Format the time in the database with Date_forma T (date, format).Formats a date or date and time value according to format string, and returns the result string.You can use Date_format () to format a date or datetime value to get the format you want. Format the date value according to the format string:%s,%s two digits in seconds (00, 01, ..., 59)%i two digits in the form of points (00, 01, ..., 59)%H
This article briefly introduces several storage formats of Oracle10g databases for oracle beginners. If you need to learn more, please take a look.
1. Operating System File.
This is the most common method and the most common form of non-commercial operation mode (such as the testing environment in the development or development phase. When you install Oracle, if you choose the operating system file storage format, the Oracle data will be stored in the
I recently used Fedora9, but if there is no music, it will be no pleasure to study, surf the Internet, or develop it! However, Fedora9 does not contain the most popular music media formats, such as mp3 and rm. Due to copyright issues, the corresponding decoder is not included by default. After reading the MPlayer Codecs, it has not been updated for a long time. I wanted to use Kaffeine, but after installing win32codecs for half a day
I recently used F
places is not the same, sometimes with C thinking to consider the Python programming problem, but ignore the Python programming should pay attention to the place.Through Python, the output rectangle full format, the upper left triangle, the upper right triangle, the left lower triangle and the lower right triangle in five formats 99 multiplication table. The Python version I used is Python 3.2.2.1. Rectangular full formatCode:1 # full format output 9
Previous work involves the UCS2 encoding of SIM card. We need to encode the characters in 81 format. I have found a lot of information on the Internet and shared it with you based on my own research.
This document describes how to obtain the 80, 81, and 82 encoding formats. The code is tested on the andoid platform and the contact information is successfully stored and decoded. Some things are self-developed, and errors are inevitable. If there are an
This article mainly introduces the conversion of XML and data formats in PHP. The example analyzes the methods of XML format data in php, which has some reference value, for more information about how to convert XML and data formats in PHP, see the example in this article. Share it with you for your reference. The details are as follows:
' $parent[$level-1] = $current; if (!is_array($current)
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