A business with a low concurrency and a long task execution time should be differentiated:If the business time is concentrated on I/O operations, that is I/O intensive tasks, because I/O operations do not occupy the CPU, so do not let all the CPU idle, you can increase the number of threads in the thread pool, so that the CPU processing more business.If the business time is concentrated on the computation operations, that is, computationally intensive tasks, this is no way, and ①, the thread poo
was to hope that its entire line of products would be equipped with a Retina screen, This is the launch of the subsequent Retina Macbook Pro. As Apple has always been a competition to imitate and surpass the object, since its proposed ultra-high-definition standards, Google, Samsung, Sharp, Toshiba and other well-known manufacturers have also followed, racing to launch a super-high-definition notebook prod
Reference Design for High-resolution camera cell phone LED flashlight super capacitor
[Date:]
Source: Today's electronics/21IC Author: Advanced Analogic Technologies Company Thomas Delurio
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Mobile phones are becoming the ultimate consumer electronics platform. Its performance includes capturing high-quality images,
I used the computer, always used to 1024*768 this resolution, with a comfortable, but also did not have any problems.
Sister's children to learn computer, these days I have been at home in the evening to teach him some basic operations. There was a little bit of a problem last night, because I told him: you use the right key to the desktop "My Computer", in the "Settings" page of the dialog box, drag the top of the scroll bar, you can adjust the
router ID, such as 100, and bind it to an interface, so that the VIP request will come from that address. The virtual router ID is only used as an identifier in VMAC. After doing so, the HA node will replicate this virtual address for use, and the Mac used between HA nodes is shared with the same one. We can go to the Network | Interfaces Look at the VMAC panel, the virtual Mac used by Ha is displayed in it. This article is from "I take fleeting chaos" blog, please be sure to keep this source h
procedures can increase the speed of the database execution.2. When complex operations are performed on a database, such as when multiple tables are update,insert,query,delete, this complex operation can be encapsulated with stored procedures and used in conjunction with the transactional processing provided by the database. These operations, if done with a program, become a single SQL statement that may be connected to the database multiple times. Instead of storage, you only need to connect t
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