
Large integer multiplication
20091231
Typically, the analysis algorithm of the calculation is responsible when the addition and multiplication operations will be as basic operations to deal with the upcoming implementation of an addition or multiplication required for the calculation of

Several Javascrits large integer arithmetic library version
20101129
Large integer arithmetic calculations are generally used for the key. Here are four of the operations come from the google database. http://www.onicos.com/staff/iz/amuse/javascript/expert/BigInt.txt This is a relatively early version of the large num

The use of large integer
20100330
Available recursive formula: f (2m + 1) = f (2m) f (2m) = f (2m  2) + f (m) Initial conditions: f (0) = f (1) = 1 Easy to know: f (2m) = f (0) + f (1) + ... + f (m) Requirements: write a C # or C + + program, for any input n (0 ≤ n <100 million), ca

Taobao side questions: how to make multicore CPU, large computing List of all integers and
20100712
Quote A few days ago an Taobao online to see the face of questions: There is a large integer list, shall be required of all integers in this list and write a multicore CPU can take advantage of the code, to calculate the results. 1: Analysis of <br

mysql numeric types bit bool integer int bigint mediumint SERIAL
20110329
If a numeric column specified ZEROFILL, MySQL automatically adds the UNSIGNED attribute for the column. SERIAL is BIGINT UNSIGNED NOT NULL AUTO_INCREMENT UNIQUE an alias. In the definition of an integer column, SERIAL DEFAULT VALUE is NOT NULL AUTO_I

java face test set
20091015
Basic knowledge: 1.c + + or java exception handling mechanism in a simple principle and applications. When the java program java in violation of the semantic rules, java virtual machine errors will be expressed as an exception. Violation of semantic

Strassen algorithm for rectangular
20090705
Matrix multiplication is linear algebra, one of the most common operation, it has wide range of numerical applications. If A and B are two nn matrices, then their product C = AB is also an nn matrix. A and B, the product matrix C, the elements C [i,

Java BigDecimal for the use of highprecision floatingpoint calculations
20100330
(Note: The preceding was a large sum of numbers of classes, see: large integer add, over the long range, how would you do!, Was a friend of mine commented that the BigDecimal can be fully realized that this feature I just started , I do not convinced

Joseph Cycle Problem (Josephus) of the two methods (source code)
20100318
Algorithm Description: There are numbers from 1 to N, N individuals sit in a circle and reported the number of people who report M out, the next and from one start, and so continued, until the rest of a date, report the person's number X. Input N, M,

Introduction to Win32 API
20100319
1.1 Why use the Win32 API In the Windows program design in the early days, Windows programmers can use the programming tools only API function. These functions are in the hands of programmers like "building block" the same can build a rich varie

Understanding of MySQL database design, data types to avoid confusion
20100323
This article highlights the support of many important MySQL data types, and describes how to use. Database stored in the data type and size vary. Some places only store digital type, some only store text types, both the chief of some. Many databases

C + + Library description
20100402
Foundation Classes 1, Dinkumware C + + Library Reference Site: http://www.dinkumware.com PJ Plauger prepared highquality standard library. Dr. PJ Plauger is Dr. Dobb's Programming Award of Excellence winner. The preparation of the library has long b

Lucene 2.0.0 download and install and test
20100401
Download link: http://apache.mirror.phpchina.com/lucene/java/archive/ To select the lucene2.0.0.zip download an example. [Installation] 1, the local disk decompression lucene2.0.0.zip file; 2, lucenedemos2.0.0.jar lucenecore2.0.0.jar and copied

MySQL Data Type Analysis
20100423
We want the real world in a variety of information into something the computer can understand, these converted information data is formed. For example, a person's birth date is "May 23, 1987", his height is 170 cm, and so on. Data include not on

mysql field types range description: int.bigint.smallint.tinyint, char.varchar.nvarchar
20100522
MySQL There are three main types of columns: the number, string and date. <select name="field_type[0]" ><option value="INT">INT</option><option value="VARCHAR">VARCHAR</option><option value=&q

Mysql data types supported
20100528
MySQL Supports a number of column types, it can be divided into 3 Class : Digital type. Date and time types, and strings ( Character ) Type. This section first gives an overview of available types , And the sum of each column type storage requirement

Is not abstract and logic of the long time it? DODO it right (very basic)
20100607
1. Thread. Design 4 threads, two threads which increased by 1 each time j, the other two threads on j each decrease of 1. Written procedures. 2. Digital Transformation. A keyboard input into the Chinese digital output (for example: Input: 1234567 Out

Is not abstract and logic of the long time it? DODO it right (very basic) 1
20100607
1. Thread. Design 4 threads, two threads which increased by 1 each time j, the other two threads on j each decrease of 1. Written procedures. 2. Digital Transformation. A keyboard input into the Chinese digital output (for example: Input: 1234567 Out

Is not abstract and logic of the long time it? DODO it right (very basic) 2
20100607
8. Digital fan problem. ABCAB XA  DDDDDD 9. Simple partition problem. Recursive divide and conquer with n elements obtained in the maximum and minimum values set. 10. Large integer multiplication. Design an efficient algorithm for a twon

MYSQL database to learn Daquan
20100622
MYSQL database is currently widely used in various personal, business systems, various technologies are relatively mature. Some of their own learning process to sum up, the contents of the article are not designed to do very specific set, only a simp