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千亿时代 网游走到十字路口 - 资讯 - 清泛网 - 专注C/C++及内核技术
...品占据了行业的绝大部分收入。这意味着手机游戏不再是创业的蓝海，新进入者往往很难活得潇洒。
与市场垄断息息相关的是资本市场对移动游戏投资热度的减轻。过去两年，与A股相关的游戏并购案屡次上演，但随着这些游戏...
iOS Image Orientation has Strange Behavior
...);
transform = CGAffineTransformRotate(transform, 3.0 * M_PI / 2.0);
break;
case UIImageOrientationLeft: //EXIF = 6
boundHeight = bounds.size.height;
bounds.size.height = bounds.size.width;
bounds.size.width = boundHeight;
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What are best practices for validating email addresses on iOS 2.0
...is the cleanest way to validate an email address that a user enters on iOS 2.0?
13 Answers
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乐视全员合伙人制的背后 - 资讯 - 清泛网 - 专注C/C++及内核技术
...不希望有打工者，希望每一位员工都是股东，都是共同的创业者，而乐视仅仅只是为员工提供平台。
事实上，早在今年2月4日，当时尚未在公开场合正式露面的乐视CEO贾跃亭出现在乐视网的投资者交流会上，当被问及在病床上...
How to sort git tags by version string order of form rc-X.Y.Z.W?
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Use version sort
git tag -l | sort -V
or for git version >= 2.0
git tag -l --sort=v:refname
git tag -l --sort=-v:refname # reverse
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How to convert float to int with Java
...f)
round (the closest integer to given float)
i = Math.round(f);
f = 2.0 -> i = 2 ; f = 2.22 -> i = 2 ; f = 2.68 -> i = 3
f = -2.0 -> i = -2 ; f = -2.22 -> i = -2 ; f = -2.68 -> i = -3
note: this is, by contract, equal to (int) Math.floor(f + 0.5f)
truncate (i.e. dro...
“Missing compiler required member” error being thrown multiple times with almost no changes to code
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This error usually means either your project is compiling against .NET 2.0 or you aren't referencing the correct version of System.Core.dll
For a near duplicate question, see Error when using extension methods in C#
sha...
Function to calculate distance between two coordinates
... lat2 = Double.Parse(lat2)
'conversion to radian
lat1 = (lat1 * 2.0 * Math.PI) / 60.0 / 360.0
long1 = (long1 * 2.0 * Math.PI) / 60.0 / 360.0
lat2 = (lat2 * 2.0 * Math.PI) / 60.0 / 360.0
long2 = (long2 * 2.0 * Math.PI) / 60.0 / 360.0
' use to different earth axis length
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What is the difference between '/' and '//' when used for division?
...t the 3.x behavior.
Regardless of the future import, 5.0 // 2 will return 2.0 since that's the floor division result of the operation.
You can find a detailed description at https://docs.python.org/whatsnew/2.2.html#pep-238-changing-the-division-operator
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A potentially dangerous Request.Form value was detected from the client
...ometimes it's necessary to also add <httpRuntime requestValidationMode="2.0" /> to web.config (reference).
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