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When we submit code, sometimes unchanged files will be checked in occasionally. In some cases, it is a mistake while in some cases it's correct behavior! Mistake check in unchanged files In most cases, we don't need to check in unchanged things.

1. API He has three types of APIS (which are not discussed here): c ++ API, com api and. net wrapper API. the com api exists because some ACAD items such as classic menu can only be accessed using COM. 2. Version A. Each version of AutoCAD

1. More UML drawing tools. PreferUmletFor now. Martin fowlerlikesUmlgraph(I don't have feeling about it now). And two very suggested UML tools by a guy who have practiced with UML tools (Let's trust him): one isVisual paradigamAnd the other

As we know, MFC, WPF, or any mature application development framework, they provide xx_click, xx_doubleclick for either whole view/form or any controls to let us easily add our event handler. but a fact shocould be known is that: all such events don'

1. Persistence In computer science refers to the characteristic of state that outlives the process that created it. 2. serializatioin . in Computer Science, in the context of data storage and transmission, serialization is the process

1. concept: Program The memory in the employee's eye is stored by byte, while the memory in the CPU eye is measured by chunk, And the chunk can be 2, 4, and 8 bytes. If the data stored in the memory is not aligned, that is, the memory address is

As we know,. net projects, It's obvious and clear to use "add reference .. "To control project reference/dependency relationship. do you know about it for C ++? (Below is extracted from VC ++ team blog article) "Project to project references have

ArticleDirectory RegEx actions supported: The regulatorIs an advanced,Free Regular Expressions testing and learning tool. It allows you to build and verify a regular expression against any text input, file or web, and displays

Interface key notes (msdn Interface) 1. Explicit interface implementation There are 2: implicit and explicit interface implementation. implicit type is normal to be used. Here, to understand more about why needs explicit interface implementation,

3 years in former project, I felt nothing with CG and 3D modeling, maybe because the project scope is so centralized to be CAD-InterOP while no direct tasks regards with 3D modeling application itself; but now with my moving into new project for a

From coolshell The first question behind the title may be: "do we need to do this ?" If we develop a LAN web application, it may not be necessary to do so. However, if our web applications target thousands of users on the Internet, this is

Quick toggle between. h and. cpp files When programming C ++ It is a very common need to switch between. H and. CPP file. there are no built in way to do this in Visual Studio, however it is possible to accomplish! You can either use an expensive

From: coolshell   Being abstract is something profoundly different from being vague... The purpose of specified action is not to be vague, but to create a new semantic level in which one can be absolutely precise.-edsger Dijkstra Abstract and

Gains: 1. What will you do if you were not afraid? (What would you do if you were fearless ?) -------- "Who moved my cheese" 2. Do the next thing right away. 3. The more you think before the action, the more you fear. Think twice, not too much. 4

1. dirextx is a set of graphical programming APIs, which internally implements wddm (Windows display driver model ). The main functions of wddm include: Core Implementation of graphic functions, video memory management, GPU scheduling, and various

BAT can do all the things that can be done in cmd.exe and batch. Frequently used:1. batch file Parameters The batch file can also use parameters (equivalent to the command line parameters of the doscommand) like C functions, which requires a

. Net supports three file types of resource:. txt. resx. Resources The system. Resources namespace supports three resource files:. Txt file, which can only contain string resources. Because it cannot be embedded into assembly, it is very easy to

First glance at LISP:-The kernel design of the language is very small. The LISP Language has only seven kinds of theorems (Basic operators ). -The code written is very short. With over 30 lines of code, you can write an interpreter for the lisp

DOTNET Assembly basic(A overall topic assemblies and the Global Assembly Cache can be found in msdn) Assemblies have the following properties: Assemblies are implemented as. EXE or. DLL files. You can share an assembly between applications by

The idea of this question is clear: First of all, since each number is 50 bits, we need to calculate the sum of 100 such numbers. Unsigned long cannot represent such a large number, and it cannot be written in a hard way; Therefore, considering that