ruby super system

background : One day when I opened my device, I suddenly found that the NTFS partition could not write to any file, prompting for read-only file system, the phenomenon is as follows:Repair Process : Troubleshoot permissions issues, use fsck to repair without fruit, use e2fsck to repairShow super fast damage, so it's good to do, re-repair can:Solution :The list is the Ubuntu installation process, I use the a

The three components of devise, cancan, and rolify combine to create a complete and powerful user rights model. Devise introduction, responsible for user registration, login, exit, retrieve password and other operations. Detail reference devise on GitHub Cancan, which is responsible for role creation, authorization of roles, displaying elements in the page based on authorization, and throwing exceptions when the model is out of authorization. Detail reference rolify on GitHub Ro

Ruby on Rails (ROR) is equivalent to structs + spring + hibernate, but it is much more convenient, and there is almost no need to write configuration files, the development speed is also much faster (ROR is a 10 times faster than Java, and I don't think this number will be exaggerated ), ror's combination of Ajax technology makes developers feel very easy to develop (more convenient than DWR (Direct Web remoting ).During this period, teaching tasks ar

AndroidTV (letv super 3X55) root, set its own software as boot self-start, system software, uninstall system applications and other issues Summary, androidtvx55 Users who have recently developed android software must install it on letv TV and require it to start on their own. I naively thought it would be okay to write a broadcast receiving class to receive the b

Not long ago, my friend told me that sass to write CSS is very good, I tried to use, then in the use of SASS when the installation is also a point of time, then I tidied up the installation and use of some of the things, share, so that you want to use sass to write CSS classmate less go some installation detours, here only for WI Ndows under Install Mode (Linux or OS X please move), okay crap don't say go directly to the topic1. Download the ruby pack

Linux virtual file system four main objects:1) Super Block2) Index node (inode)3) Catalog entry (dentry)4) Document object (file)A process that refers to various objects as it operates on a file is as follows:by Task_struct get files_struct, then through the file descriptor (int fd) to obtain the corresponding file object (**FD), then get the Directory item object (Dentry), and finally get the Index node ob

In the Linux operating system, root is the highest, and is also known as the owner of the Super privilege. The actions that ordinary users cannot perform, which root users can accomplish, are also called Super Admin users. In a system, each file, directory, and process is owned by one user, and no user is permitted to

Fix for Linux file system error Ddrescue replace DD Recovery software backup Super blockA recently processed Linux server power outage causes the file system to not read and write, the data is not availableExample, now summarizes the Linux file system error repair method.EXT3-FS error (device Hda3) in Start_transaction

When partitioning, each partition is a file system, and the block at the beginning of each file system is called a super block. Super blocks are used to store file system size, empty and filled blocks, their respective totals, and other such information. That is to say, when

Repair of super block damage of ext3 File System-Linux general technology-Linux technology and application information. The following is a detailed description. # Mount/dev/sde1/foo Mount: wrong fs type, bad option, bad superblock on/dev/sde1, Or too mounted file systems . How can this problem be solved? Answer: This error message indicates that the super block

Super-diamond Configuration management system to provide system parameters configuration management, such as database configuration information, configuration parameters can be pushed to the client in real time (based on Netty4), to facilitate the system to dynamically modify the operating parameters. Mult

1. How to create hidden superusers on the graphic interface The graphic interface is applicable to bots running local or 3389 Terminal Services. The author I mentioned has a good idea, but it is better to use psu.exe (ProgramIf you want to upload psu.exe to a program running with the System user ID. In my opinion, this deployment will be applied to the psu.exe program. Because Windows2000 has two registry Editors: regedit.exeand regedt32.exe. In X

To say clear Systemd, you have to start with the Linux operating system started speaking. The startup of the Linux operating system starts with the BIOS, then the boot Loader loads into the kernel and initializes the kernel. The final step in kernel initialization is to start the init process. This process is the first process of the system, PID 1, also known as

How to enable super Administrator Account in Win8.1 System Win8.1 has a built-in Administrator Super Administrator account, but the Administrator account is not enabled by default. The Administrator Super Administrator account can perform any settings on the computer, such as deleting and modifying important files. Ho

The 5 features of the Super button slide out of the WIN8 system, the other 4 may be better known, but "device" is not necessarily a super button that many people understand. What is it for? and how to use it? The following will be revealed to you. The device Super button allows you to quickly send files and informatio

Super Patrol Horse Detection system is the thousand Cloud's Data Security Laboratory (www.sucop.com) produced a free horse detection software. The software is designed to check for Web servers being hacked to grow script trojans and Web pages being embedded in malicious links. Click here to download Super Patrol Horse Detection

new things, the sky will not collapse. The reality is that the geometric line can accommodate a variety of mathematical structures, far from only the standard real number R a numerical system. At present, American middle school students generally accept the concept of Super real *r . Description: In the super-line, "infinite approach" is an equivalence relations

Today, I looked at the information related to Tron and accidentally found out that there was another OS named [super Chinese character] In the Tron architecture. Later I inquired about it, we have a notebook with a [super Chinese character] operating system in our group, so I used it for a while, but to be honest, it took less than half an hour, I am not very int

Some old users of Microsoft systems know that the previous XP system and Win7 System has a start menu in the lower left corner, there are some of the more common software installed in our computer, can also be searched, but since the update to WIN8, 8.1 start, the lower left corner of the Start menu is gone, A lot of accustomed people are not used to it, but the little part tells you, the left Start menu is

The device Super button allows you to quickly send files and information to other devices connected to your computer, such as printers, Xbox, mobile phones, speakers, televisions, or projectors. The list of available devices in the device Super button depends on the devices you have and whether they are connected to your computer. How to use the device Super but