The Filestatus class in Hadoop can be used to view the meta information of files or directories in HDFs, any file or directory can get the corresponding filestatus, and here is a simple demo of the relevant API for this class:
* */package COM.CHARLES.HADOOP.FS;
Import Java.net.URI;
Import Java.sql.Timestamp;
Import org.apache.hadoop.conf.Configuration;
Import Org.apache.hadoop.fs.FileStatus;
link)5, Rpm-q--filesbypkg glibc-devel| grep \.a$ | awk ' {print $} ' |xargs grep htons find all static library files with htons6. Only one:/USR/LIB/LIBC.A7, if there are several words, use objdump-x to look at the symbol tableTo say a few words-on the Debian type of machine with dpkg or apt-files is a similar process, sometimes need some common sense or speculation, such as *-devel package is to provide he
General programs are deployed in a Linux environment, and when viewing logs, typically less is used to meet most of the requirements.Enumerating and documenting the most common scenarios, the code takes the Tomcat log file Catalna.out as an example.View files directly Less Catalina.outAfter viewing the file, if the file is too large, hit the following command to scroll the file:J Next line K prev line f Scroll down one screen b scroll up o
We usually develop when the file cache, commonly used in the mobile phone internal storage and external storage of mobile phones, mobile phone internal storage mainly includes the app after the installation of some files, external storage is commonly used by the space, used to save some pictures of movies and so on.
When fast-read cache files are generally stored in the internal storage, because the interna
Micro-trust files we must have a collection of files to be able to, we guarantee that the micro-letter to the latest version can be the following tutorial interface exactly the same.
1. Enter the micro-letter on the phone and click "I" to open the entry, as shown in the following figure.
2. Under the mobile phone, we click on "Collection" to open the entry.
3. When you open it, you can see w
) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/5D/FD/wKiom1UojAGT8V27AAH5Mv8PSaE738.jpg "title=" _ 20150411105022.png "alt=" Wkiom1uojagt8v27aah5mv8psae738.jpg "/>650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M00/5D/F8/wKioL1Uoi4-yNJH8AAOKYJPXdGA805.jpg "title=" _ 20150411103802.png "alt=" Wkiol1uoi4-ynjh8aaokyjpxdga805.jpg "/>See, that's it, the circle is the PO owner built the database, and then this folder under a new file, whatever you name, such as BB. Copy the
When Microsoft developed Vista, it introduced the Aero flip and used Windows flip to quickly preview all open windows (for example, open files, folders, and documents) without having to click the taskbar.
Flip 3D displays an open window in a stack. At the top of the stack, you will see an open window. To see other windows, you can browse the stack. This feature is still used by Windows 7 systems (not supported by the Home normal edition).
To
Oracle Database Diagnostic File (log) view Diagnostic File (Diagnostic File) 1: Role of the Diagnostic File Diagnostic files: contains information about Major Events encountered in the background. It is used for parsing issues and is used for daily log file management. 2: diagnostic file logs are classified into two categories: 1: alterSID. log ----- background trace fi
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4: used to diagnose database errors
Each entry has a time stamp (timestamp) associated with it.
This file must be managed by Oracle DBA
The file is located at: BACKGROUND_DUMP_DEST.
Run show parameter dump to view the location of the file:
This file also contains the database startup information equivalent to pfile or spfile.
Log on as an administrator:
2: The following are actual operations:
Log On With sysdba and run the following command:
SQL> sho
Ls-L | grep \ "^-\" | WC-l
Or
Find./company-type F | WC-l
View the number of files in a folder, including files in subfolders.
Ls-LR | grep \ "^-\" | WC-l
View the number of folders in a folder, including those in subfolders.
Ls-LR | grep \ "^ d \" | WC-l
Note:
Ls-l
Long list output file information under this director
Now that you won't have to download PowerPoint and TIFF files from your Gmail account, you'll see them directly in Gmail, so for now, Gmail has supported PDFs, Word, Excel, View of PowerPoint and TIFF files.
The next time you receive a PowerPoint or TIFF file, just click it to view the PowerPoint and TIFF
The trick here is not to use the left and RIGHT arrow keys to switch views of individual files, but to view multiple files or pictures at the same time in a quick-viewing interface.
How to view multiple files or pictures in a quick vie
manual: Git diff, git Add, git diff--cached command details
For a detailed explanation of git commit commands, please refer to the article: Git manual: Git commit-m/-am/-a-m submit files to local warehouse area
For a git fetch command, refer to the article: Git manual: Git fetch pulls the latest version of the branch and branch of the remote warehouse to the local
For more information about git pull command use, please refer to article: Git manual: G
In iOS development, it is often necessary to save some information locally, such as some of the user's search history. So, how do you see the saved files?Here are two ways to view the app's sandbox files.Method One: Use Xcode to view the following steps:(1): Xcode, click Window---Devices (or use the shortcut command + SHIFT + 2)(2): Select your device, which is t
System accidentally crashes, files are deleted, modify the file saved and want to go back, the file just saved to the U disk ... A variety of subjective, objective reasons that we have to look at WPS automatically for users to back up the files.
One, can enter the WPS how to view the backup file.
Open the WPS text, table, or demo, followed by "tools" → "Backup
How to view the number of files opened in linux-general Linux technology-Linux technology and application information. For details, refer to the following section. Check the number of files opened in linux on the Internet in two ways, but the results are different. in linux, check that the number of files opened is bas
View XML Files
In all major browsers, the original XML file can be viewed.
Do not expect the XML file to be displayed directly as an HTML page. View XML Files
View this XML file: Note.xml
The XML document is displayed as the root of the code color and
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