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Author: Zhu Jincan Source: http://blog.csdn.net/clever101   A rule is found when parsing XML files using the pugixml library. For XML files that parse English Unicode characters (including utf8 and UTF16), you can directly useXml_document

//////////////////////////////////////// //////////////////////////////////////// / // two classes are usually used, that is, the linked list node class and linked list class, collaboratively representing a single-chain table. // a linked list

Author: Zhu Jincan Source: http://blog.csdn.net/clever101   The company's internal communication mailbox uses the 263 paid mailbox. I told my colleagues, "from the perspective of non-professional product designers, 263 mailboxes are the worst

Author: Zhu Jincan Source: http://blog.csdn.net/clever101   Compile one todayProgram, Release version compilation links are successful, an error occurs during running, use getlasterror to get the error, the error message is that the memory

Author: Zhu Jincan Source: http://blog.csdn.net/clever101   I learned that I had a full moon food at night, and I made a few photos outdoors with my colleagues for your appreciation. The above one is a direct shot, and the effect is

At present, there is a demand in the project, which needs to go from two points to the line. This is mainly used in map and GIS. Searching for tokens on the Internet is not correct.     Result 2   The Code is as follows: public double

1. Accuracy of spatial databases 　 Methods and Techniques for error handling and uncertainty error handling in geographic information data, including: 　 ● Uncertainty Error Model ● Error Tracking and coding ● Calculation and Expression of errors in

Author: Zhu Jincan Source: http://blog.csdn.net/clever101   First, compile or install the boost library. For details about how to use codeblocks to compile the boost library, see compile the boost library in the codeblocks environment.Boostwindows

Author: Zhu Jincan Source: http://blog.csdn.net/clever101/ The two-dimensional image described here refers to the rotation of a triangle or polygon around a center point at a specified angle. A two-dimensional graph is actually composed of a series

Author: Zhu Jincan Source: http://blog.csdn.net/clever101/ Recently I was reading 3D mathematical basics: graphics and game development. The sixth chapter of this book implements a simple three-dimensional Vector class. I looked at the code and

Author: Zhu Jincan Source: http://blog.csdn.net/clever101   Download the latest mapwindowgis source code and write a test program. The following redefinition error occurs:   1> E: \ 2012 \ mapwindow \ intdir \ debug \ testocx \ mapwindow. tlh (4444):

Author: Zhu Jincan Source: http://blog.csdn.net/clever101 Drawarc Status drawarc (in const pen * pen, In const rect & rect, In real startangle, In real sweepangle) The tutorial explains this interface as follows: Pen: paint brush Rect: defines the

Author: Zhu Jincan Source: http://blog.csdn.net/clever101 Recently, using GDI, we found that its polygon (HDC, APT, icount) function will plot the polygon boundary. The Code is as follows: Case wm_paint: { HDC = beginpaint (hwnd, & PS); logbrush

Author: Zhu Jincan Source: http://blog.csdn.net/clever101/ There are many two-buffer drawing frameworks based on the document view structure program. How can we plot on the dialog box? In the past, a static text control or other controls were

Author: Zhu Jincan Source: http://blog.csdn.net/clever101   This problem is common. I recently searched for some information on the Internet and talked about some of my ideas based on my experience.   I. Can Double Cache improve drawing efficiency?  

Author: Zhu Jincan Source: http://blog.csdn.net/clever101   Continue to learn how to use the pugixml library. There are two methods for XML file nodes: and welcometo MyApp   Today we will learn how to use the pugixml library to add these two

Zhu Jincan's macro code viewing is a quick way to learn VBA development. Now I will introduce how to view macro code. For example, I want to use VC to display an image in the center in word. How do I know the macro code of the center display image?

Author: Zhu Jincan Source: http://blog.csdn.net/clever101   When a friend used EXCEL to create a table, he asked me to write a calculation formula in one column and automatically calculate the calculation result in the other column, for example: I

Source: http://mindhacks.cn/2009/02/15/why-you-should-start-blogging-now/   (1) Why should you (from now on) write a blog? In one sentence,Writing a blog has many advantages, but it does not have any obvious disadvantages.. (The following is an

How to Use the offline blog publishing tool to publish a csdn blog post-yickoff column-csdn blog Windows Live writerWindows Live writerIt is a free blog software released by Microsoft. It is very easy to get started with the operating interface of