Winsock Study notes (2)

Introduction to some functions related to sockets 1, read the current error value: Every time an error occurs, if you want to deal with specific problems, then you should call this function to get the error code. int WSAGetLastError(void );

KVIP Attendance System

Recently, with VC rewrite a few years ago with Powerbuiler write software. The software function is not many, mainly I imitate PB to do several common base class, but also has these several years to collect some dongdong, the following is the

An example of the V1.02 program development of electronic ruler

Program features Sometimes in the production of Web pages or some multimedia, you need to insert some homemade pictures and flash animation, before making must first determine the image of the high and wide, with this software can easily measure

WinForm form of imitation QQ panel

Description: A few days ago in a friend there to see done a very beautiful enterprise timely communication software, using C # to write, completely without the use of Third-party controls to achieve a similar effect of the QQ panel, very beautiful.

Special form effects in WinForm: Gradient window and informational Prompt window

Some special effects are occasionally encountered in WinForm: for example, when a window is initially fully transparent, the form becomes opaque over time, until it is completely opaque. This is one of the form effects you want to explore in this

Algorithm: POJ 3628 Bookshelf 2 (DFS, 01 backpack)

The main effect of the topic: There are n numbers (1~100w), and now there is a number b,1 Ideas: Just beginning to see this problem, found that the number is so large that the memory is not enough to use a backpack. and n Max only 20, so directly

Algorithm: POJ 2392 space Elevator (DP sort + multiple Backpack)

The main effect of the topic: There are n kinds of bricks, the height of each brick is H, the quantity is C, and the highest position of it can not exceed a. How high can these bricks be stacked? Ideas: First of all kinds of bricks according to a

Algorithm: POJ 2063 investment (DP full backpack)

The main effect of the topic: There are n kinds of bonds to buy, each price is a (A is a multiple of 1000), the annual interest is B. A person with a total of money tot (tot is a multiple of 1000), ask him in y years, the maximum can have how much

Algorithm title: UVA 10862

Asif is a student of East West University and he are currently working for the Ewuisp to meet him relatively high tuition F Ees. One day, as a part's his job, he is instructed to connect cable wires to N houses. All of the houses lie in a straight

Algorithm title: UVA 571 (number theory)

Jugs In the movie ' Die Hard 3, Bruce Willis and Samuel L. Jackson were confronted with the following puzzle. They were given a 3-gallon jug and a 5-gallon jug and were asked to fill the 5-gallon jug with exactly 4. This is problem generalizes that

Algorithm title: UVA 11125

Problem H Arrange Some Marbles Input:standard Input Output:standard Output You are given some marbles of n different color. You are have to arrange this marbles in a line. The marbles adjacent with same color form a group. In each group there

Algorithm title: 542

France ' 98 Today's the round of the soccer world championship in France are coming to a end. Countries are remaining now, among which the winner was determined by the following tournament: 1 Brazil-----+ +-- ? --+ 2 Chile------+ | +-- ? --+ 3

Algorithm title: UVA 10943

Problem a:how do you add? The Larry is very bad at Math-he usually uses a calculator, which worked the very throughout. Unforunately, he's now struck in a deserted island with his good buddy Ryan after a snowboarding accident. They ' re now trying

Algorithm title: UVA 10617

Another palindrome. input: standard input output: standard output time limit: 2 seconds It is àpalindorme to read the same from the left, as it is from the right side of the sequence of one or more characters. For example, the TOT and the lady's

Algorithm title: UVA 10604 (Memory search + hash)

In a chemist's lab, there are several types of chemicals in tubes. The chemist wants to mix all this chemicals together, two chemicals at a time. Whenever two chemicals are mixed, some heat is generated and released to the air and the mixed chemical

Summary of Web application development based on struts (i)

Often write the code, after a period of time to write a number of problems, explained that their understanding of the code is not enough. Summarized as follows: One: Edit a record, click on the "Edit" button, when the open is a new page (such as

JDK1.5 Enumeration Type Learning

As a new keyword introduced by Sun, an enum looks like a special class, it can have its own variables, you can define its own method, and you can implement one or more interfaces. When we declare an enum type, we should notice some of the

Robocode the basic principle of coordinate locking

Introduction We know the absolute direction, the relative direction and the whole direction system of Robocode in the front. I believe you have a deep understanding of this. But the problem came again, knowing that the direction did not seem to

JDT-based Jar source code search

Introduction Eclipse provides programmers with powerful text-search capabilities that allow programmers to easily search the workspace for JAVA code or text that is needed. But sometimes, programmers want to search for a string in a. class file

JBuilder Editor General settings and optimizations

This article covers two core content, and first we focus on how to use some of the general settings of the JBuilder editor, which will optimize your integrated development environment. Then we'll customize our own JBuilder editor to make it more

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