Umount cannot be a disk or network deviceUmount cannot be a disk or network device
For example, umount cannot run/g01/app/shared
[root@rac01 shared]# umount /g01/app/sharedumount.nfs: /g01/app/shared: device is busyumount: /g01/app/shared: device is busy. (In some cases useful info about processes that use the device is found by lsof(8) or fuser(1))umount.nfs: /g01/app/shared: device is busy
You can use-l to force umount,
umount -l /g01/app/shared
But there is a way to check who i
site have been pseudo static processing.
These work has been done since May 20, but it has been included in the 1500 or so, compared to the previous increase of 700, but I still have confidence to break through 3000. Number 20th When I analyzed the log a few days ago, found the spider returned to the status code exists in this large number of 404 and 302 status code, and then the author quickly to all the dynamic URl301 redirect to the pseudo static page.
The next few days 302 and 404 began t
each ownervarOwnerarr = [{"owner":"Colin","Pets": [{"Name":"Dog1"}, {"Name":"Dog2"}]}, {"owner":"John","Pets": [{"Name":"Dog3"}, {"Name":"Dog4"}]}];//Array ' s map method.Ownerarr.map ( function(owner){ returnowner.pets[0].name;});//Lodash_.map (Ownerarr,' Pets[0].name ');
Gets a random value within the specified range
// Get a random number between 15 and 20.// Naive utility methodfunction getRandomNumber(minmax){ return Math.floor(Math.random() * (maxminmin;}getRandomNumbe
1. Design a class (called a) that implements the addition of elements within a specified range of one-dimensional arrays. 1 ImportJava.util.Scanner;2 Public classA {3 Public Static voidMain (string[] args) {4 int[] AA = {-2574,-4010, 8243, 771, 2447,-5197, 2556, 8044, 3314,53617, 6065,-2817, 3131, 6318, 2186,-113, 629,-2582, 37,6-1520, 164, 2055,-5936, 5912, 1717, 5988, 4781, 5757, 892,7-4394, 8034, 2213,-1080,-2080, 5364, 106, 2657, 5
Tao.Input and Output sample
Input example #1:
8 1520 130120 3150 2110 7180 150 8200 0140 3120 2
Output sample #1:
4Description
All data: n
xiDescription
In the fall of the year, there were n fruit trees in the taotao family. Tao ran to pick the apple again. This time she had a chair with a public score. When he cannot reach his hand, he will stand in the chair and try again.
This is different from the NOIp2005 popularity group's first questi
of apples the Tata can pick.Input/Output sampleInput Sample # #:8 1520 130120 3150 2110 7180 150 8200 0140 3120 2Sample # # of output:4DescriptionAll data: n xiTitle DescriptionAnother autumn, the Tautau apple tree has a fruit of n. Tata again ran to pick apples, this time she has a a-centimeter chair. When his hand is out of reach, he will stand on the chair and try again.This time with the NOIp2005 popularization group first problem is differe
links
New Ket OJ: Sub-structure of the tree
Nine degrees oj:http://ac.jobdu.com/problem.php?pid=1520
GitHub code: 018-Tree substructure
CSDN: The substructure of the offer–018-tree of the sword finger
New Ket OJ
Nine degrees OJ
csdn
GitHub Code
Child structure of a tree
1520-The substructure of the tree
The substructure of the offer–018-tree of the sword fi
First step: Prepare the picture. The only thing you need to be aware of is that if you want to get the best results, you need to prepare a picture of your screen resolution (click here) 80*95 ratio, and 160*190 proportional to replace the picture to achieve full screen replacement effect. For example, your MAC screen resolution is 1280*800, then you need to prepare a 1280*1520 resolution of the background picture (1280/80=16,16*95=
Recently, because I sometimes need to put files in my cell phone on my computer, my cell phone (Lumia630) needs to be connected to the computer and can be connected normally in Windows, however, it is not possible in Ubuntu, so I checked the information. The method is as follows: 1. add MTP File System: sudoadd-apt-repositoryppa: langdalepl/gvfs-mtpsudoapt-getupdate2. create udev rules (you can also use gedit
Recently, because I sometimes need to put files in my cell phone on my computer, I n
Windows Phone 8.1 Privilege Escalation Vulnerability
After Microsoft announced its 19-year-old Super vulnerability, developers found a vulnerability on Windows Phone 8.1, Microsoft's latest operating system, attackers can exploit this vulnerability to crack Nokia Lumia mobile phones.
Vulnerability details
A xda hacker named DJAmol (the official website of the XDA developer forum is the world-renowned mobile device developer community such as Andrio
Before the WP7 era can use the API to get WP phone models such as lumia510, but to the WP8 after the API can only get hardware version number such as RM-822, this model allows us to more detailed understanding of the specific hardware version, such as Ching and Hong Kong, the device version number is different (but I do not remember the ╮ (╯-╰) ╭), a support 4G, one does not support, but the model is Lumia920, this may be the consideration of Microsoft.But when we only want to use the mobile pho
that there are too few applications in Windows App Store, right? Microsoft seems to have noticed this. In the Win10 App Store, Microsoft will "add users in the app store by no means" to ensure that UWP has a thriving ecosystem. Let's take a look at something:Comprehensive and common equipment developed by Microsoft
Windows 10 does not have WP10. From PC to RT, from Lumia to Surface, from IoT development board carrying the system to Xbox with powerful
about the author on the Internet, or this is a kind of promotion for the author's APP ).
Another good opportunity is Apple's new language Swif. It seems that this language is suitable for general people to write programs.
But the main reason is that she is a little competitive.
Then I took my girlfriend's iPhone (I used Lumia 920) and tried the APP. I felt like I had to store the plain words in the database and read them for comparison. So she too
Microsoft has released a new version of Windows Redstone PC and Windows Mobile Preview in sync today.The PC version is build 14271. The Mobile version is build 14267.1004.Windows Redstone PC Build 14271 mainly fixes the following issues:form border color problemGroove Music playback Controls Visual qualityIssues that the taskbar shows itself proactivelyAction Center supports right-click and batch dismiss notificationsHigh-speed User Switching support picture passwordProblems with some desktop ap
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