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, off-screen rendering will create an out-of-screen buffer in memory and render, while the off-screen buffer and the current screen buffer context switch is very performance. Instruments monitoring off-screen renderingInstruments's core animation tool has several check options related to off-screen rendering: Color offscreen-rendered YellowWhen turned on, the layers that need to be rendered off-screen are highlighted in yellow, which means there may be a performance problem with t

"); }).catch(function(err) { console.error(‘生成excel表失败‘); });}First read our template, then write our data to the template, generate a new Excel tableExcel templates7. Because the time of the crawl is not fixed, so we make the whole process of the crawl by the front-end Ajax request form, passing startTime and endtime the two data, the front-end interface is relatively simpleFront-End InterfaceGenerated Excel table diagram:Front-End InterfaceThe crawl process is as follows:At this point, our b

| Key | Key_len |Ref | Rows | Extra | +----+-------------+-------+-------+---------------------- +----------------------+---------+-------+------+---- ---------+ |1 | Simple | B | Const | PRIMARY | PRIMARY | 4 | Const | 1 | Using Index | | 1 | Simple | A | Ref | idx_guang_dlout_dlid | idx_guang_dlout_dlid | 4 | Const | 1 | | +----+-------------+-------+-------+----------------------+----------------------+---------+-------+---- --+-------------+ 2 rows in set (0.05 sec) In fact, guang_d

Sr. Java software engineer If you are passionate about the future of interactive digital media and television, if you're excited by using cutting-edge technology, if you wants to implement your creative idea on brand new products, if you want to be

This is a creation in Article, where the information may have evolved or changed. Refer to the Liao Xuefeng asynchronous I/O Chapter First, why use asynchronous IO CPU speed is much faster than disk, network and other IO (we have to

Title: Pinterestclones Multiple Vulnerabilities Author: DaOne Price: $199.99 : Http://www.pinterestclones.com/ [#] [Persistent XSS] How to test1-go to: http://www.bkjia.com/createusernamen/ 2-Put anything in the other field [Password & E-mail] etc...

From: HTTP://WWW.JIANSHU.COM/P/AC18AA3F28C2Recently, the company's app has a new feature is to delete photos of the album in the app, originally a relatively simple function, in the process found that the Assetslibary framework does not provide the

If it is a field character lattice, people's vision needs to be viewed from top to bottom, from left to right, and then filtered by the brain--which is better suited for purposeful integrity, such as a list or a larger view of a product when Taobao

Let the mad cow cool down. 30 IPOs in Wholesaleediting time: 2015/04/03 Source: Daily News Network Trust HomeOn April 2, 30 IPOs were approved by the SFC for IPO applications. In the 4th month of 2015, the SFC issued an IPO approval of 4 batches of 98 companies, and the issuance of new shares increased significantly.On April 2, 30 IPOs were approved by the SFC for IPO