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PHP picture upload, compress, save to server problem? Very simple upload server, from temporary files, ' tmp_name ' get pictures, Then compress. $dstimage = Imagecreatetruecolor ($dst _w, $dst _h); Imagecopyresampled ($dstimage, $srcimage, $dst _x, $dst _y, $src _x, $src _y, $dst _w, $dst _h, $src _w, $src _h); Imagedestroy ($srcimage); Looking for a long time have not found how to save the memory in th

C # invoke ICSharpCode.SharpZipLib.Zip to implement the common class of decompression functionalityRecently want to use a decompression function from the Internet to find and add their own changes, personal feeling or more useful, directly on the code as followsUsing system;using system.linq;using system.io;using icsharpcode.sharpziplib.zip;using Icsharpcode.sharpziplib.checksums;using system.diagnostics;using microsoft.win32;namespace ZipCommon{public class Ziphelper {#region

# shutil_demo.py Advanced file Operations (copy/move/compress/unzip) import Shutil def shutil_demo (): # Copy file Shutil.copy2 (' file.t XT ', ' Temp.txt ') # Copy directory Shutil.copytree ("root", "temp", Symlinks=false, Ignore=shutil.ignore_patterns ("*.pyc") , Copy_function=shutil.copy2, ignore_dangling_symlinks=true) # Delete directory Shutil.rmtree ("temp", ignore_errors=true) # Move File/directory Shutil.move ("root", "temp", copy_funct

Set Coredump size to ' infinity 'Ulimit-c UnlimitedOpen Coredump Record process numberecho "1" >/proc/sys/kernel/core_uses_pidSpecify the Coredump pathecho "/home/panchen/core-%e-%p-%t" >/proc/sys/kernel/core_patternCompression CoredumpCat/usr/local/sbin/core_helper#! Bin/shEXEC gzip->/home/panchen/$1-$2-$3-$4.core.gzecho "|/usr/local/sbin/core_helper" >/proc/sys/kernel/core_patternThis article from "Produce coredump and compress" blog, declined repri

Tar-zcvf/home/xahot.tar.gz/xahotTAR-ZCVF the directory to be packaged when the file name full path is generated after packagingExample: Package the/xahot folder into a/home/xahot.tar.gz file.Zip compression method:Compresses the current folder Zip-r./xahot.zip./*-R means recursionZip [parameters] [file name after packaging] [packaged directory path]Decompression Unzip Xahot.zip not explainedThe basic usage of the Linux zip command is:Linux zip command parameter list:-a convert the file to ASCII

Original URL: http://blog.csdn.net/zqlovlg/article/details/8033456Installation method:sudo apt-get install p7zip-fullUnzip the file:7z x manager.7z-r-o/home/xxThe explanations are as follows:x represents the extracted files, and is extracted according to the original directory (there is also a parameter e is the decompression file, but it will all the files are extracted to the root, not their original folder) manager.7z is a compressed file, here you have to change their own. If you are not in

1. Back up your Linux systemWindow System in the running state, we can not copy the file, then under Linux it? Her file structure is a tree-type structure. And we can package all the system files when the system is running. In particular, the root account of Linux has any operation on the system, which is why it is necessary to create a low-level user right to prevent system errors caused by the system crashes the halo. Look at the backup command below. # switch to rootsudo su# Enter the system

Many years ago to the client database, using Access, has been two years, grow very large, 1G so big. As you continue to add, update, and change database design, database files become larger and bigger. The factors that cause the increase include not only new data, but also the performance of the database files as they are continuously populated by the legacy temporary objects and deleted objects. Symptoms include: The object may be turned on more slowly, the query may run longer than normal, and

1.[js compression]uglifyjs Source.js-mc-o target.min.js To compress Angular.js as an example, can compress local variable name, remove useless local variable, blank character, etc., compression ratio is close to 80%, the efficiency is good [User_00@localhost ~]$ uglifyjs angular.js-mc-o angular.min.js warn:dropping unused function Isboolean [angular.js:416,9] warn:dropping unused function Makemap [angular.j

Now mobile phone photos are several trillion, directly to the original image uploaded to the server, for users, directly collapsed, in the case of WiFi is OK. But when other users look at the list, it is estimated that the phone will owe you a fee. So when uploading pictures, you want to compress the pictures.Note: Compression here refers to mass compression, not size compression. For example, when we take a picture, upload it to the server. We need t

First, your computer to install WinRAR, if not installed, please go to the Internet to download a installation; Second, right-click the file or folder you want to compress, and then select "Add to Compressed file" or "Add to ' Xxx.rar" (XXX is the name of the current folder) in the pop-up right-click menu. If you choose "Add to Compressed file", it will pop up a dialog box, there are many settings, you can see for yourself; If you choose "Add to '

by dragging and dropping the image document from the folder to the edit window in Image optimizer (Figure 1). Click the "Optimize Image" button on the left to see the image Optimizer opens a new window (Figure 2) with optimized images. The Compress Image dialog box opens. At the top of the newly opened optimized image window you can see the size of the optimized image file: After the optimized picture size has been reduced a lot, optimized (BMP forma

withname:@ "salesimagemid.jpg"]; [Self saveimage:bigimage withname:@ "salesimagebig.jpg"]; [Self dismissmodalviewcontrolleranimated:yes]; [Self refreshdata]; [Picker release]; } In the end of the callback method, we have the image of the size of the processing, for the upload of pictures to prepare. Zoom picture Zoom picture is relatively simple, put the code directly, let everyone refer to. View Code The code is as follows Compress pictur

The database server used by the company is backed up every day, before manually compressing and then copying one copy to another.No matter what, you decide to use a script to automatically back up and copyThere is a lot of information on the Internet, Baidu a bit Environment Introduction Database backup files are stored under D:\beife\A server with a network segment as a backup of compressed files2. compressing documentsInstall the WinRAR software first and determine the path, whic

Tags: Linux tar compression22.2 "Linux learning is not difficult" archive and compress (2): Use and management of tar packagesUsing the tar command, you can save many files together to a separate tape or disk archive, and you can restore the required files separately from the archive.Command syntax:tar [options] [file | directory]The meanings of the options in the command are as shown in the table.Option option meaning-C Create a new archive file-A ad

Fast pressure is the first in China with the automatic compression format of the software, is a domestic compression software in a more useful section. Compression format for fast compression The KZ has a large compression ratio and an ultra fast compression decompression speed. At the same time, fast pressure is also compatible with Rar,zip and 7z, such as more than 40 kinds of compressed files. Today's small knitting to teach you how to compress fil

Tags: compress self com linu Delete details path alt clipOne, compression command [COMPRESS/GZIP/BZIP2]:Compression can only be done on files, not directories, directories to be packaged first, and then compressed.(1) Compress(2) Gzip1. Compress files[CPP]View PlainCopy Gzip hosts #将hosts压缩成hosts. GZ, do not r

This article describes the packaged compression programs under Linux tar, gzip, gunzip, bzip2, bunzip2, compress, uncompress, zip, unzip, RAR, Unrar programs, and how to use them for. Tar,. GZ,. Tar.gz,. Tgz,. bz2,. tar.bz2,. Z,. Tar. Z,. zip,. rar, 10 kinds of compressed files to operate.There are only two of the most common compressed files under Windows, one is. zip, and the other is. rar. And under Linux it has. GZ,. tar.gz, Tgz, bz2,. Z Compresse

This article describes how to use zlib to compress and decompress strings in python. It also describes the usage of zlib and how to use zlib. compressobj and zlib. decompressobj is used to compress and decompress files. For more information about how to compress and decompress strings using zlib, see the following example. Share it with you for your reference. Th

Common Linux Compressed file extensions*. Z Compress compressed files (has been replaced by gzip)*.gz gzip Program Compressed files*.BZ2 BZIP2 Program Compressed files (better than gzip, but only for one file to compress)*.tar Tar program packaged data, no compression (using tar to package a file, you can solve the problem that bzip2 cannot compress multiple file