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How to check if a view controller is presented modally or pushed on a navigation stack?
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presentingViewController returns YES for pushed VC, when there is a UITabBarController being set as a root. So, does not suitable in my case.
– Yevhen Dubinin
Jun 11 '14 at 12:23
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When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?
...ay not be 100% correct (or coherent).
Many of these values are defined in vc/crt/src/dbgheap.c:
/*
* The following values are non-zero, constant, odd, large, and atypical
* Non-zero values help find bugs assuming zero filled data.
* Constant values are good, so that memory filling is ...
viewWillDisappear: Determine whether view controller is being popped or is showing a sub-view contro
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Suppose you have two controllers (root vc and another pushed) on your navigation stack. When the third one is being pushed viewWillDisappear is called on the second whose view is going to disappear, right? So when you pop to root view controller (pop the third and...
Adding VirtualHost fails: Access Forbidden Error 403 (XAMPP) (Windows 7)
... portable 7.1.18 / 7.3.7 (control panel v3.2.4)
Installers: win32-7.1.18-0-VC14-installer / xampp-windows-x64-7.3.7-0-VC15-installer
Do not edit other files like httpd-xampp
Stop Apache
Open httpd-vhosts.conf located in **your_xampp_directory**\apache\conf\extra\ (your XAMPP directory might be b...
What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
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Note that while both gcc and VC provide __FUNCTION__, they do slightly different things. gcc gives the equivalent of __func__. VC gives the undecorated, but still adorned, version of the name. For a method named "foo", gcc will give you "foo", VC will...
How to check for DLL dependency?
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dumpbin from Visual Studio tools (VC\bin folder) can help here:
dumpbin /dependents your_dll_file.dll
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How do I set up a simple delegate to communicate between two view controllers?
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Following solution is very basic and simple approach to send data from VC2 to VC1 using delegate .
PS: This solution is made in Xcode 9.X and Swift 4
Declared a protocol and created a delegate var into ViewControllerB
import UIKit
//Declare the Protocol into your SecondVC
proto...
'uint32_t' identifier not found error
...cations in the code. My solution was to install vS2013 and in VS2010 point VC++ Directories->IncludeDirectories to Program Files(x86)\Microsoft Visual Studio 12.0\VC\include. Then my project compiled without any issues.
s...
Safely override C++ virtual functions
... relatively easy to diagnose and fix. One think I won't agree with is that VC++ users should use it. I'd prefer that C++ look like C++ on all platforms even if one particular project doesn't need to be portable. It's worth noting that C++0x will have [[base_check]], [[override]] and [[hiding]] attri...
passing xxx as \'this\' argument of xxx discards qualifiers - C/C++ - 清泛网 - 专注C/C++及内核技术
...onst版本,因为没有定义这个版本,因此编译器提示错误.
解决方法就是将getId和getName方法声明为const成员,即在函数末尾加上const关键字。
const 常量成员