I completely understand what a stack is supposed to do (last in, first out). It's just one part of the stack that gets me confused. typedef struct dynArrStruct { char *location; //element int length; //max size int currSize; //top }dynArr; dynArr a; //declared in main //sorry this is an assignment and I try to refrain from posting my full code //on here b/c of potential cheat
我完全理解一个堆栈应该做什么（继续，先出）。 这只是堆栈的一部分，让我感到困惑。 typedef struct dynArrStruct { char *location; //element int length; //max size int currSize; //top }dynArr; dynArr a; //declared in main //sorry this is an assignment and I try to refrain from posting my full code //on here b/c of potential cheaters 我使用这个代码作为我的堆栈。 基本上我的程序应该
I've been looking at F# recently, and while I'm not likely to leap the fence any time soon, it definitely highlights some areas where C# (or library support) could make life easier. In particular, I'm thinking about the pattern matching capability of F#, which allows a very rich syntax - much more expressive than the current switch/conditional C# equivalents. I won't try to giv
我最近一直在研究F＃，尽管我不太可能马上跳过栅栏，但它肯定会突出显示C＃（或库支持）可以使生活更轻松的一些领域。 特别是，我正在考虑F＃的模式匹配功能，它允许使用非常丰富的语法 - 比当前的开关/条件C＃等价物更具表达力。 我不会试图给出一个直接的例子（我的F＃不符合它），但总之它允许： 按类型匹配（对歧视联盟进行全覆盖检查）[注意这也推断了绑定变量的类型，赋予成员访问等] 按谓词匹配 上述的组合（可
Recently, I was trying to answer another SO question about loading the frames (Bitmap and duration) of animated GIFs . The code can be found on pastenbin. While doing additional tests on this code before moving it into my dev library, I noticed that there is a problem with this line of code: //Get the times stored in the gif //PropertyTagFrameDelay ((PROPID) 0x5100) comes from gdiplusimaging.
最近，我试图回答关于加载动画GIFs的帧（位图和持续时间）的另一个SO问题。 代码可以在pastenbin上找到。 在将代码移动到我的开发库之前对此代码进行其他测试时，我注意到这行代码存在问题： //Get the times stored in the gif //PropertyTagFrameDelay ((PROPID) 0x5100) comes from gdiplusimaging.h //More info on http://msdn.microsoft.com/en-us/library/windows/desktop/ms534416(v=vs.85).aspx var times = img.Get
Firstly, I can't use any stored procedures or views. I know this may seem counter-productive, but those aren't my rules. I have a DataTable , filled with data. It has a replicated structure to my SQL table. ID - NAME The SQL table currently has a bit of data, but I need to now update it with all the data of my DataTable . It needs to UPDATE the SQl Table if the ID's match, o
首先，我不能使用任何存储过程或视图。 我知道这看起来可能适得其反，但这些不是我的规定。 我有一个DataTable ，里面充满了数据。 它有一个复制结构到我的SQL表。 ID - NAME SQL表格当前有一些数据，但我现在需要使用DataTable所有数据进行更新。 如果ID匹配，它需要更新SQl表，或者将ADD添加到唯一的列表中。 有没有什么办法可以只在我的WinForm应用程序中做到这一点？ 到目前为止，我有： SqlConnection sqlCon
I have read the writing on the wall, Avoid Globals. Which leads to the obvious question, how best to do it? I obviously want to do it with a current project. The goal is to let a distant PC send "keystrokes" to applications that already have an stdin reader. The idea is to let the existing code detect there is no pending keystroke, then check if there is a "udp keystroke"
我已经阅读了墙上的文字，避免Globals。 这导致了一个明显的问题，如何做到最好？ 我显然希望通过当前的项目来完成。 目标是让遥远的PC向已经有stdin阅读器的应用程序发送“击键”。 这个想法是让现有的代码检测到没有挂起的击键，然后检查是否有“udp keystroke”，如果是，填入它，因此它似乎是键盘输入。 微创，并不需要在其他人的代码中进行改装。 所以我修补了一个小型的UDP套接字阅读器，它使用setup()函数打开和绑定
I have a model where I am using a discriminator. As I cannot share the original code, here is a mockup public class Dog {} public class SomeDog : Dog {} Now I want my entities to be sorted by the Discriminator , having SomeDog first and only after these, having my Dog entities. Is there any way to actually sort on my Discriminator ? Or do I have to find a workaround? Have you tried sort
我有一个使用鉴别器的模型。 由于我无法分享原始代码，因此这里是一个模型 public class Dog {} public class SomeDog : Dog {} 现在我想让我的实体按Discriminator进行排序，首先拥有SomeDog并且只有在这之后，才拥有我的Dog实体。 有什么方法可以对我的Discriminator进行实际排序吗？ 或者我必须找到解决方法？ 当你阅读上下文列表时，你是否尝试过排序？ 例： YourContext.Dogs.OrderBy(d => (d is SomeDog) ?
I am getting confused with memory allocation basics between Stack vs Heap . As per the standard definition (things which everybody says), all Value Types will get allocated onto a Stack and Reference Types will go into the Heap . Now consider the following example: class MyClass { int myInt = 0; string myString = "Something"; } class Program { static void Main(string[] args)
我对堆栈与堆之间的内存分配基础感到困惑。 按照标准定义（每个人都说的事情），所有的值类型将被分配到堆栈，并且引用类型将被放入堆中 。 现在考虑下面的例子： class MyClass { int myInt = 0; string myString = "Something"; } class Program { static void Main(string[] args) { MyClass m = new MyClass(); } } 现在，如何在c＃中发生内存分配？ MyClass的对象（即m ）是否会被完
When you create an instance of a class with the new operator, memory gets allocated on the heap. When you create an instance of a struct with the new operator where does the memory get allocated, on the heap or on the stack ? Okay, let's see if I can make this any clearer. Firstly, Ash is right: the question is not about where value type variables are allocated. That's a different q
当你用new操作符创建一个类的实例时，内存将被分配到堆上。 当你使用new运算符创建一个结构实例时，内存分配的位置，堆或堆栈上？ 好吧，让我们看看我能否做得更清楚。 首先，Ash是正确的：问题不在于分配值类型变量的位置。 这是一个不同的问题 - 答案不仅仅是“在堆叠上”。 它比这更复杂（并且由C＃2变得更加复杂）。 我有一篇关于这个话题的文章，如果需要的话，将会扩展它，但是我们只处理new运营商。 其次，这一切
I have read in the book: A dynamic memory allocator maintains an area of a process's virtual memory known as the heap. Details vary from system to system, but without loss of generality, we will assume that the heap is an area of demand-zero memory that begins immediately after the uninitialized bss area and grows upward (toward higher addresses). So, I am confused why memory from heap i
我在书中读到： 动态内存分配器维护着称为堆的进程的虚拟内存区域。 细节因系统而异，但不失一般性，我们将假定堆是一个需求为零的区域，在未初始化的bss区域之后立即开始并向上（向更高的地址）增长。 所以，我很困惑为什么堆的内存不是用零初始化的。 更准确地说，我的意思是由malloc返回的一块内存。 本书描述的是内存分配如何工作的例子。 这是一个非常常见的例子，但有些平台的工作方式不同。 它描述了一个具有虚
In C language, I know that when a variable is dynamically initialized using malloc, it is stored in heap area. But where is the memory allocated when declaration of below kind is done and variables are initialized later. int a[26]; or int a[n]; //n is a variable and each element in array a is later initialized through a for loop. My initial understanding is that like in java, here also all
在C语言中，我知道当使用malloc动态初始化一个变量时，它将存储在堆区中。 但是，在完成下面类型的声明并且稍后初始化变量时分配的内存在哪里。 int a[26]; 要么 int a[n]; //n is a variable and each element in array a is later initialized through a for loop. 我最初的理解是，就像在java中一样，这里main函数中声明的所有变量都存储在堆栈区中。 我的疑问是 - 说，有一个函数需要数组“a”的地址并更改其内容。