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How to use hex color values

... If you are still supporting iPhone 5 or any 32 bit devices prior to iOS 11 it will crash. You need to change the UInt32 to UInt64 – Kegham K. Feb 23 '19 at 23:32 ...
https://www.tsingfun.com/it/tech/1318.html 

不同品牌的防火墙组成高可靠性集群 - 更多技术 - 清泛网 - 专注C/C++及内核技术

.../iproute2/rt_tables这个文件里,一般0编号 的table对应的别名upspec,255编号对应的别名local,254和253对应的别名分别main和default,我们通常用route命令配置和查看的路由表信息别名 main的路由表信息。 2、路由规则负责定义...
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Algorithm to detect corners of paper sheet in photo

... A student group at my university recently demonstrated an iPhone app (and python OpenCV app) that they'd written to do exactly this. As I remember, the steps were something like this: Median filter to completely remove the text on the paper (this was handwritten text on white pape...
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Best way to define private methods for a class in Objective-C

...jective-C. However, starting in Objective-C 2.0 (meaning Mac OS X Leopard, iPhone OS 2.0, and later) you can create a category with an empty name (i.e. @interface MyClass ()) called Class Extension. What's unique about a class extension is that the method implementations must go in the same @impleme...
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思维导图软件 XMind 与 FreeMind 的对比 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...件是 FreeMind 和 XMind。FreeMind历史悠久,当属经典;XMind作后起之秀,大有赶超之势。同...思维导图类软件中,最有影响力的开源免费软件是 FreeMind 和 XMind。FreeMind历史悠久,当属经典;XMind作后起之秀,大有赶超之势。同作...
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如果携程决心战略性亏损到底,去哪儿怕是只剩一条路可走 - 资讯 - 清泛网 -...

...利润,但同比增长仅27%。同时这是携程继2014年Q4后净亏损2.24亿元后的的再度亏损。尽管在财报电话会议上,携程CFO王肖璠表示:预计第二季度将恢复盈利,而对比去年Q2利润9100万,上半年占了全年净利润的86%,所以携程是铁了...
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淘宝网采用什么技术架构来实现网站高负载的 - 更多技术 - 清泛网 - 专注C/C...

...一个系 统的伸缩性的好坏取决于应用的状态如何管理。什么这么说呢?咱们试想一下,假如我们在session中保存了大量与客户端的状态信 息的话,那么当保存状态信息的server宕机的时候,我们怎么办?通常来说,我们都是通过集...
https://www.tsingfun.com/ilife/tech/1097.html 

小心!创业者不可不知的互联网家装惊天伪命题 - 资讯 - 清泛网 - 专注C/C++...

...行业。互联网家装之所以会受到如此多的关注,主要是因家装行业本身的市场规模巨大,产业链延伸很长,涉及到的环节很多,人们与家装的关系也最密切,改造的难度也最大。尽管如此,却丝毫都改变不了互联网对家装行...
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扒皮美女创业者:15分钟拿下薛蛮子 7家风投追捧 - 资讯 - 清泛网 - 专注C/C...

...这一两年来,创业热潮席卷了中华大地,“互联网+”成最hot的标签。创业中的各种乱象,在泡沫的狂欢中掩盖了真相。素人很难想象,在大江南北,有各行各业的、多到难以想象的、正在狂热创业中的人们,那些见诸报端、...
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Converting NSString to NSDate (and back again)

...US_POSIX will not), and between platforms (en_US_POSIX works the same on iPhone OS as it does on OS X, and as it does on other platforms). Swift 3 or later extension Formatter { static let customDate: DateFormatter = { let formatter = DateFormatter() formatter.locale = Loc...