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80后夫妻创业，如今身价68亿，怎么做到？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...事。
汉鼎股份是一家建筑、公共安全管理智能化综合解决方案供应商。与年轻的创始人一样，这家公司给人一种朝气蓬勃的感觉。从2009年到2011年，公司营业收入和净利润连续3年保持90%以上的增长，2011年营业收入为3.3亿元，...
presentViewController and displaying navigation bar
...
Swift 5.*
Navigation:
guard let myVC = self.storyboard?.instantiateViewController(withIdentifier: "MyViewController") else { return }
let navController = UINavigationController(rootViewController: myVC)
self.navigationController?.present(navController, anima...
Storyboard doesn't contain a view controller with identifier
... This issue occurred in XCode 7.2 when pulling from a repo in which a VC in the storyboard had been assigned an identifier. Cleaning the project seemed to resolve the issue.
– Ed George
Jan 22 '16 at 19:16
...
How do I create a new Swift project without using Storyboards?
...vigation controller. Here is a piece of code.
var window: UIWindow?
var navController:UINavigationController?
var viewController:ViewController?
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
window = UIWindow(fram...
Removing the title text of an iOS UIBarButtonItem
...
Set the title of the pushing VC on 'viewWillAppear' with the same property. This way it is not removed.
– Guto Araujo
Dec 3 '13 at 0:41
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Why does MSBuild look in C:\ for Microsoft.Cpp.Default.props instead of c:\Program Files (x86)\MSBui
When I run msbuild to build a vc2010 project I get the following error:
20 Answers
20
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关于php的socket初探 - PHP - 清泛IT论坛，有思想、有深度
...程来处理的 IO 模型，但是效率相对比较差，也很容易出问题，所以暂时不做介绍了）。在这些多路复用的模式中，异步阻塞/非阻塞模式的扩展性和性能最好。
引入阻塞/非阻塞,、同步/异步比喻很形象的一段话：
有A，B，C，D...
Given a view, how do I get its viewController?
...ldn't know which exactly is its view controller, because that would break MVC principles.
The controller, on the other hand, knows which view it's responsible for (self.view = myView), and usually, this view delegates methods/events for handling to the controller.
Typically, instead of a pointer t...
c# datatable to csv
... answered Feb 10 '11 at 16:31
vc 74vc 74
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C#对象序列化与反序列化 - 更多技术 - 清泛网 - 专注IT技能提升
...的)。
2. 在JavaScritp中使用XML比较麻烦(还有浏览器的兼容问题),反而各种浏览器对JSON有非常好的支持。
(14)反序列化的使用总结
如果XML是由类型序列化得到那的，那么反序列化的调用代码是很简单的，反之，如果要面对一个没...