gamma folder

1. Determine if a folder exists Parameter description: QString fullpath;//folder full path /* Method 1*/ BOOL Isdirexist (QString FullPath) { Qdir dir (FullPath); if (Dir.exists ()) { return true; } return false; } /* Method 2*/ BOOL Isdirexist (QString FullPath) { Qfileinfo FileInfo (FullPath); if (Fileinfo.isdir ()) { return true; } return false; } 2. Determine if the file is not present Parameter descr

Put the module in a folder with associatedCalling the folder name in Python2 will fail directlyThe call succeeds in Python3, but the call does not succeedThe solution is:Add an empty file under this folder __init__.py Python2 will treat the folder as a package as a wholeThen edit __init__.pyAdd __all__ = ["Function nam

Win7 cannot delete a folder resolution (you need permission from administrators to make changes to this folder) Problems encountered: Today want to delete some folders, the result is not deleted. Have tried other folders, some can be deleted, some also deleted. A lot of it can't be erased. The following conditions always occur: Change the permissions, also deleted, before there have been similar si

When you're a rookie, you're connected to your company's local area network, and you'll often find that someone doesn't have to take your files away from a network neighbor, and, of course, it's through the Internet, we don't know. However, in the WINDOWS7 system, you can not easily find a network of neighbors, it is renamed the "Internet", you will be in the "Search" field type "Network" to search to find it. Besides Windows7 system also defaults to open some of the shared folders, if we are i

The shared folder icon displays a lock in the lower-left corner, and it still exists after it is unshared, as shown in figure: The Windows 7 system small lock is actually to open a simple share, the file itself access limited identity. You can disappear after you add all user rights. Operation Steps: One, the need to adjust the folder icon right click, move to "sharing", click "Specific user

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 explained The basic

Tar-zcvf/home/xahot.tar.gz/xahot TAR-ZCVF the directory to be packaged when the file name full path is generated after packaging Example: Package the/xahot folder into a/home/xahot.tar.gz file. Zip compression method: Compresses the current folder Zip-r./xahot.zip./*-R means recursion Zip [parameters] [file name after packaging] [packaged directory path] Decompression Unzip Xahot.zip not explained The basi

The Windows right-click menu allows you to modify the registry to make it easier to copy and move files, but Windows does not have the "Copy to Folder" and "Move to Folder" option by default. The following is a brief introduction to modifying the registry to add the "Copy to Folder" and "Move to Folder" options by righ

I always thought CP was a very simple instruction. It turned out to be a pit. Record it.Folder 1:test1/Folder 2:test2/Target: Copy all files and directories in the test1/to test2/Correct instruction:CP -RF test1/. test2/Note that the back of the test1/is a pointThe following command is problematic:CP -RF test1/* test2/I have been using this sentence, the results found today, if Test1 is an empty folder, th

As shown below: Delete folder private static void DeleteDirectory (file file) { if (File.isfile ()) {//indicates that the file is not a folder File.delete (); c6/>} else { //Get the current path First string[] childfilepaths = File.list (); for (String childfilepath:childfilepaths) { file Childfile = new file (File.getabsolutepath () + "/" + Childfilepath) ; DeleteDirectory (Chil

1, put multiple folders into the same new folder, such as renaming to: multiple folders, open the view, contains multiple folders, here Example 8 folders. 2, open the folder 1.2, respectively, to see the file suffix name, here are all picture format, the format is: Look, jpg/jpeg. 3, click on multiple folders in the "Search" function, in the appearance of the search box input: jpg. Click Search. T

Sometimes we need to overwrite a folder to our working directory, but need to automatically back up the existing files, one to go back to the backup is too troublesome, all the backup is not necessary. Shell scripts can do a good job of doing this. Original link http://back.zhizhi123.com/?p=85#!/bin/SHUpload_dir=/alidata/www/SH/useful-shell-script/upload/Www_dir=/alidata/www/SH/useful-shell-script/www/backexist () {filelist=`ls$1` for file inch$fileli

package file; Import Java.io.File; Deletes all files in the specified path, and all folders in the folder, excluding the folder public class Filedel {public static void Delallfiles (file file,string Singal) { if (!file.exists ()) { System.out.println ("The path is not present:" +file); return; } if (singal==null| | "". Equals (Singal)) { singal= "-"; } SYSTEM.OUT.PRINTLN (singal+)