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-*-array=[[1,4,7],[2,5,8],[3,6,9]];x,y,z=zip (*array);p rint x, y, Z;The value of XYZ, as shown below, is exactly the inverse of the zip function.Third, the transpose of two-dimensional array in PythonHow does this relate to array transpose?Note that if zip (*array) does not go through X,y,z=zip (*array), split into X,

Recently, the Institute of the two-dimensional code platform for 2.0 upgrade and transformation. Stepped on a huge pit yesterday. I hereby record ...Demand from the Institute editor in the bulk download QR code, the system backend needs to download the QR code for renaming and zip packaging compression.System testing w

1, install ZIP, unzip applicationYum Install zip unzip2, compression and decompression filesThe following commands are all operated under the/home directoryCd/home #进入/home DirectoryA. Compress the MyData directory below the/home directory to Mydata.zipZip-r Mydata.zip MyData #压缩mydata目录B. Unzip the mydata.zip under the/home directory into the Mydatabak directoryUnzip mydata.zip-d MydatabakC, to the home/ho

Code: Package Com.wicresoft.jpo; Import Java.io.BufferedInputStream; Import Java.io.BufferedReader; Import Java.io.FileInputStream; Import Java.io.InputStream; Import Java.io.InputStreamReader; Import Java.util.zip.ZipEntry; Import Java.util.zip.ZipFile; Import Java.util.zip.ZipInputStream; public class Readziputil {/** * @param args */public static void main (string[] args) {//TODO auto-generated Me Thod stub try {readzipfile ("D://test//test.zip"

Simple introduction: CSS picture flattening (CSS sprites) can effectively reduce the number of HTTP connection requests for picture files. Multiple pictures will be merged into one large picture file with a certain spacing. The elements that use these pictures on the page will use the CSS property of Background-position to display the specified position in the flattened picture. This technology can effectively improve website performance, especially when there are many small pictures on the page

Java code decompress the zip file and java decompress the zip file Import java. io. File; Import java. io. FileOutputStream; Import java. io. IOException; Import java. io. InputStream; Import java. util. Enumeration; Import org.apache.tools.zip. ZipEntry; Import org.apache.tools.zip. ZipFile; Import org. springframework. stereotype. Service; Import org. springfra

Recently developed projects require the use of provincial, municipal, and district data, because the projects to be developed are also e-commerce websites. when referring to the user experience of Vanke, it was found that it even had the latest released Guangming New Area in Shenzhen, and no data was updated on the Pat network. It seems that fanke is still responsible for data updates, so he learned about its data format, then I spent some time writing a small program to extract the latest provi

This article is mainly for you to introduce in detail the use of PHP zlib function, easy to implement PHP file package download zip, with a certain reference value, interested in small partners can refer to The example of this article for everyone to share the php file package download zip code for everyone to refer to, the specific content as follows PHP zi

Copy CodeThe code is as follows: Class zip{var $datasec, $ctrl _dir = Array ();var $eof _ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";var $old _offset = 0; var $dirs = Array (".");function get_list ($zip _name){$zip = @fopen ($zip _name, ' RB ');if (! $

Copy CodeThe code is as follows: Class zip { var $datasec, $ctrl _dir = Array (); var $eof _ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00"; var $old _offset = 0; var $dirs = Array ("."); function get_list ($zip _name) { $zip = @fopen ($zip _name, ' RB '); if (! $

If you are using php versions earlier than php5.2 and cannot use the ZipArchive class, you only need php5.2 and later versions to conveniently use the ZipArchive class to decompress and compress zip files, the following is a small series for you to introduce. If you are using php versions earlier than php5.2 and cannot use the ZipArchive class, you only need php5

Because some situations need to use the National Administrative Division database, itself does not have the library on the Internet to find, but found is basically not what I want, because it contains only the basic information,Finally himself under a primitive library to prepare their own assembly data, online XX data network Ah, Web services are limited, or to find their own way to get the hands of the most assured.The original data is April 2015, t

PrefaceJust now on the internet to inquire about the national provinces and Cities database, compared to the pit is a relatively comprehensive data, a comprehensive fee, the heart is very uncomfortable.But in the end, I got it. A slightly better national provincial and municipal database, and with left, simple spell, abbreviation, pinyin, Administrative Code, ZIP code