Data Lock

A few days ago and colleagues heated discussion, a little harvest, recorded. Let's start with the definition of MSDN: The Lock keyword can be used to ensure that the code block runs without being interrupted by other threads. 　　This is accomplished by acquiring a mutex for a given object while the code block is running. Let's take a look at the execution, and the code example is as follows: Assuming thread a executes first, thread B is slightly slower. Thread A executes to the lock statement to determine if obj has applied for a mutex and is based on the object of an existing lock. R ...

Many computer users have seen or heard that, when the so-called "logic lock" on the hard disk, whether it is a floppy disk, hard disk, or CD-ROM can not start some computers. So what exactly is a "logical lock"?   &http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; The so-called "hard drive logic lock" is made using some DOS error. It uses the "cyclic partitioning table" technique to make certain ...

Pepper Map Technology Today (August 30) held in Beijing 2014 product launches, officially released based on the operating system kernel reinforcement technology free server, Web site security products-Yun Yu. Mr. Ni, a researcher of Chinese Academy of Sciences, academician of China Engineering Academy, Technical advisor of the National Security Bureau, director of the Information Security Technology Engineering Center of Chinese Academy of Sciences, Kinshan teacher, director of Network Security Laboratory of the Academy of Sciences, director of Zhongguancun Network Security laboratory Liu Baoxu, and well-known internet since media people Lou, Dingdao, Lou, Zhu Yi, Wang Jiwei and so on were invited and attended the hair ...

January 29 News, mobile content search platform Pea pods today officially launched a standalone tool app called snap efficiency Lock, which has now been upgraded to version 3.1.       Based on the application of search technology, SNAP efficiency lock screen will weather, chat, food, film tickets, such as the application of information integrated into the lock screen interface, user-friendly intuitive access, processing. Unlike most of the market's emphasis on themes and beautification of the lock screen, snap focuses on the efficient integration of information in the lock screen ...

January 23 News, for many people, travel accommodation is a relatively troublesome thing. Sometimes because of the identity card forgot, may not be able to live in the bed, sometimes the accommodation always need very cumbersome formalities, even need to queue ...   So, is it possible to stay in a hotel without lodging, go in and live, and leave without checking out? In response to this user needs, where the network launched an intelligent door lock, and applied to where the network of non-standard accommodation. Consumers in the online booking, by virtue of the allocation of "password", do not handle any phase ...

China IDC Circle July 16 reported: Manufacturers lock is a common problem of many cloud deployment. We all know a historic it challenge: The more a company uses a specific vendor's product or service, the higher its reliance on the vendor and its product services, and the more difficult it is for companies to change vendors. Even when you renew a contract with an existing vendor, this can lead to a lack of initiative in the negotiation process. Manufacturers know that the cost of enterprise change manufacturers is very high, the difficulty is very good, so both take its light, enterprises will inevitably accept the requirements of manufacturers price increases. Lower utilization rate ...

Abstract: Do you remember the smart door lock Lockitron? It used to be YC's star product, which had raised 2.2 million of billions of dollars in 2012 and had won 70,000 pre-order orders through the website. Looks downwind, everything is available, only for March 2013 shipments. Do you remember the smart door lock Lockitron with many items? It used to be YC's star product, which had raised 2.2 million of billions of dollars in 2012 and had won 70,000 pre-order orders through the website. It looks like the wind, everything, just stay ...

In an earlier survey of cloud computing for domestic companies, one respondent said he would never use cloud computing because the cloud was unsafe, and he would rather save the data into a removable hard drive and lock the vault every day. Indeed, data security is one of the most worrying issues for the vast majority of business IT professionals in choosing cloud computing providers, and in which countries. But is it safer to lock the data in a safe or on a local server than cloud computing? Information security company Alert Logic is investigating 1600 companies.

Domain Name City (domain.cn) October 23 News, it is reported that a few days ago, Microsoft launched a new WP8.1 Dynamic lock screen application of tetra, related domain name tetralockscreen attention. 　　It is understood that the Tetra Lockscreen is http://www.aliyun.com/zixun/aggregation/11208.html ">microsoft Garage project, mainly custom lock screen interface Plug-ins, such as the schedule ...

The process of terminating a contractual relationship with a service provider, is always more difficult than any other interaction with them, which is a natural consequence of business dynamics. Typically, a service provider does not provide a seamless transfer process that transfers the business to a competitor. Vendor lock-in is a common problem in many cloud deployment projects. The process of terminating a contractual relationship with a service provider, is always more difficult than any other interaction with them, which is a natural consequence of business dynamics. Typically, a service provider does not provide a seamless transfer process that transfers the business to a competitor. Vendor lock-in is a common problem in many cloud deployment projects ...