Dim dFeat As Collection
Set dFeat = New Collection
Dim cObj As Collection
Set cObj = New Collection
cObj.Add 3, "PASSED"
cObj.Add 4, "TOTAL"
dFeat.Add cObj, "M1"
Set cObj = New Collection
cObj.Add 5, "PASSED"
cObj.Add 6, "TOTAL"
dFeat.Add cObj, "M2"
dFeat("M1")("TOTAL") = 88 ' Error here
Debug.Print dFeat("M1")("TOTAL")
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如何使用密钥修改内部集合的值?
我CCEase*在这里描述的Cocos2D中使用了很多功能.iOS 7 Sprite Kit也有.但只有简单的模式.如何使用Sprite Kit获得或喜欢效果?SKActionTimingModeCCEaseElasticInCCEaseBounceIn
当应用程序刚运行而没有任何用户交互时,这就是iOS7模拟器的样子(我也没有运行我的任何代码,只有样板Cocos2D):

5.0-> 6.1没有这样的问题.产生此问题的代码是Cocos2D样板代码,我试图通过注释将其最小化,这是来自App委托的最小代码:
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
// Create the main window
window_ = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
// CCGLView creation
CCGLView *glView = [CCGLView viewWithFrame:[window_ bounds]
pixelFormat:kEAGLColorFormatRGB565
depthFormat:0
preserveBackbuffer:NO
sharegroup:nil
multiSampling:NO
numberOfSamples:0];
director_ = (CCDirectorIOS*) [CCDirector sharedDirector];
director_.wantsFullScreenLayout = YES;
// Display FSP and SPF
[director_ setDisplayStats:YES];
// set FPS at 60
[director_ setAnimationInterval:1.0/60];
// attach the openglView to the director
[director_ setView:glView];
[glView setMultipleTouchEnabled:YES];
// 2D projection
[director_ setProjection:kCCDirectorProjection2D];
// [director setProjection:kCCDirectorProjection3D];
// Enables High …Run Code Online (Sandbox Code Playgroud) 我在这里遵循第二个答案,以避免我的新安装包的"已安装"消息.所以这是我改变的项目.一切都很好,我正在安装正确的新版本.
<Product Id="*" Name="Product Name" Language="1033" Version="1.9.0.0" Manufacturer="ABCD" UpgradeCode="e820aa3a-0288-45d8-a357-41bc065bbed0">
<Package InstallerVersion="200" Compressed="yes" InstallScope="perMachine" />
<MajorUpgrade AllowSameVersionUpgrades="yes" DowngradeErrorMessage="A newer version of [ProductName] is already installed." />
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但是,编译器给出了以下警告消息:
ICE61:此产品应仅删除其自身的旧版本.最高版本不低于当前产品.(1.9.0.0 1.9.0.0)
我不能忽视这个消息.那么问题是如何修复此警告?
我正在尝试建立libtorrent共享主机.所以建立了CPPUnit(1.12.1)--prefix=$HOME.之后我的$HOME/lib并$HOME/include包含CPPUnit库和标头.
我导出的LD_路径
export LD_LIBRARY_PATH=$HOME/lib:$LD_LIBRARY_PATH
export LD_INCLUDE_PATH=$HOME/include:$LD_INCLUDE_PATH
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然后我运行libtorrent/autogen.sh --prefix=$HOME并获得以下警告,这阻止我运行configure:
aclocal...
aclocal:configure.ac:20: warning: macro `AM_PATH_CPPUNIT' not found in library
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cppunit.m4文件位于$ HOME/share/aclocal中.我想libtorrent由于某种原因找不到那个目录.
为了不发明自行车,我想知道是否有任何库能够将大小字符串(MB,KB,TB,MiB,KiB等)的各种表示解析为基于数字字节的值.
在C我将这样做以将数字的浮点表示转换为DWORD.从地址中获取值并将内容转换为DWORD.
dwordVal = *(DWORD*)&floatVal;
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所以例如44.54321将成为0x42322C3F.
我怎么能这样做C#呢?
阅读Swift Programming Language一书我看到了许多对 type 的引用Element,它用于定义集合项的类型。但是,我找不到任何关于它的文档,它是类还是协议?它有什么样的功能/方法/属性?
struct Stack<Element>: Container {
// original Stack<Element> implementation
var items = [Element]()
mutating func push(_ item: Element) {
items.append(item)
}
...
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