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一年手机淘汰上亿部 回收涌进一批“互联网+” - 资讯 - 清泛网 - 专注C/C++...
...18个月的16GB的白色iPhone5S为例,分别在爱回收、多科网、360同城帮回收、回收宝四家网络平台进行在线估值,通过填写手机容量、型号、性能、保质期、有无进水拆装等信息后,几家平台分别给出的回收估价为:1610、1780、1980、8...
Setting the zoom level for a MKMapView
...Level:zoomLevel animated:NO];
}
- (NSUInteger)zoomLevel {
return log2(360 * ((self.frame.size.width/256) / self.region.span.longitudeDelta)) + 1;
}
- (void)setCenterCoordinate:(CLLocationCoordinate2D)centerCoordinate
zoomLevel:(NSUInteger)zoomLevel animated:(BOOL)animated {
MKCoordinateSpa...
The smallest difference between 2 Angles
...ives a signed angle for any angles:
a = targetA - sourceA
a = (a + 180) % 360 - 180
Beware in many languages the modulo operation returns a value with the same sign as the dividend (like C, C++, C#, JavaScript, full list here). This requires a custom mod function like so:
mod = (a, n) -> a - ...
App Inventor 2 天气预报App开发 - 第三方API接入的通用方法 · App Inventor 2 中文网
...: "多云",
"iconNight": "150",
"textNight": "晴",
"wind360Day": "45",
"windDirDay": "东北风",
"windScaleDay": "1-2",
"windSpeedDay": "3",
"wind360Night": "0",
"windDirNight": "北风",
"windScaleNight": "1-2",
"windSpeedNight": "3",
...
UIView Infinite 360 degree rotation animation?
I'm trying to rotate a UIImageView 360 degrees, and have looked at several tutorials online. I could get none of them working, without the UIView either stopping, or jumping to a new position.
...
Google Maps V3 - How to calculate the zoom level for a given bounds
...e same fraction of the width of the map (the angle difference in degrees / 360). At zoom zero, the whole world map is 256x256 pixels, and zooming each level doubles both width and height. So after a little algebra we can calculate the zoom as follows, provided we know the map's width in pixels. Note...
我们这里5元30M - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
我们这里5元30M在一次国际洽谈会上,一个韩国高管对一位中国运营商的年轻老总说:在我们大寒冥国,网络带宽都是20M起,不知贵国情况如何?场面一度陷入僵局。这 在一次国际洽谈会上,一个韩国高管对一位中国运营商的年轻老总...
Ubuntu下CodeBlock开发环境配置 - C/C++ - 清泛网 - 专注C/C++及内核技术
...,工具小巧灵活、跨平台、支持SVN、代码高亮、格式化、国际化(软件界面语言可定制为中文)、强大... Code::Blocks是一款功能强悍的C、C++ IDE,工具小巧灵活、跨平台、支持SVN、代码高亮、格式化、国际化(软件界面语言可定制...
谷歌重组成的Alphabet 域名是abc.xyz 寓意字母表 - 资讯 - 清泛网 - 专注C/C++及内核技术
...公司不太可能将该域名转让给谷歌。
宝马旗下的Alphabet国际公司最近还获得了国际汽车金融网络大奖。
除此之外,@alphabet Twitter帐号也不归谷歌所有,而是属于美国俄亥俄州的克里斯-安德里卡尼奇(Chris Andrikanich)。而@abc则归属...
新浪微博 阿里巴巴囊中物? - 资讯 - 清泛网 - 专注C/C++及内核技术
...是需要获得变现能力。”IT行业资深分析师唐欣在接受《国际金融报》记者采访时表示,实际上,阿里一直有收购新浪微博的意愿,只是新浪方面之前一直比较看好微博前景,希望独立发展。但是几年下来,新浪微博并没有取得...