blizzard weapons

" algorithm launched by the game company Blizzard. usually in the database looking for data like in KTV song, database is music library, want to find their own points of song, can only turn music library from beginning to end. But there is also a simpler way, that is to establish a representative relationship, the song name "Little Star" abbreviated to XXX, and the corresponding relationship stored in the database. When looking for a song, if not even

defining the data structure and writing the code. However, the method used by blizzard programmers is a more sophisticated approach. The rationale is that they do not use a hash in the hash table but instead use a three hash value to validate the string. China has an old saying "again and again two can not weighed", it seems that Blizzard also won the essence of the words, if said two different strings thr

questions raised We often use it in the project to detect if an array B has the data in array A.Scenario 1: Put the data in B into a bitmap and then use the data in a to probe.Cons: If the data in B is sparse, such as [1,2,900,800], the bitmap is expensive because a bit is needed to identify the number that does not appear.Scenario 2: The data in B is stored in a hash table and then detected using the data in a.Blizzard hash principle see I reproduced before the article

In ancient China, China's cold weapons are a variety, dazzling, although there are 18 of weapons in China said, but the number of Chinese weapons far more than 18 kinds, whether from conventional weapons, special weapons, concealed weapon, Greenwood

In ancient China, China's cold weapons are a variety, dazzling, although there are 18 of weapons in China said, but the number of Chinese weapons far more than 18 kinds, whether from conventional weapons, special weapons, concealed weapon, Greenwood

not talk about it in the future. 　　 The Japanese learned everything from China, and they could not learn anything. They had to learn it, but did not have to learn it. The Chinese have never slept on the floor for a long time, and the Japanese have never changed over the past one thousand years. It makes sense to know that the Chinese have improved to the present. This military device is a matter of life and death. It is certainly advantageous for the predecessors to sum up their practical exper

I learned. net has been around for nearly a year. I accidentally found that many of the development tools I have never seen, so I am collecting them in the dark (OH, I'm exaggerating). Now I have collected seven special articles to summarize them! I call them "Seven Weapons"/(^ o ^ )/ The first weapon is the sword of death and NUnit (used to write unit tests) NUnit is an open source code unit test framework generated for the. NET Framework. NUnit allo

In the vicinity of Xianyang, Shaanxi Province, the Xianyang palace was the heart of the Qin Empire. However, over the past two thousand years, the Xianyang palace has become a yellow earth. the Qin army, once the most powerful army, has hidden too many puzzling mysteries. What kind of army is this? Where is the root cause of the powerful Qin army? What did he rely on to create a miracle of history? In 1974, a large number of weapons were found in the

OriginI have experienced a lot of interviews, the Internet, foreign companies, there are. Summing up the experience of these interviews, found that the interviewer asked the question is actually just a few big categories, do not play too much fresh stuff. Come to think of it, the interviewer has the following seven kinds of weapons. There are seven kinds of weapons in the martial arts world as Mr. Cologne.

(t.calculate) thread thread=Newthread (threadstart); thread. Start ();Thread. Join ();Console.WriteLine (t.Result); }Second, design an input and output auxiliary classSince the thread function of the Parameterizedthreadstart delegate type can enter a parameter of type object, we start with this type of argument: encapsulate the "input parameter" and "return value" of the thread function inside a class, The instance of this class is the only object parameter, and the code is all clear!usingSyste

function ($,jquery) //binding Document loading complete listening is just as spicy as Window.onload's effect. $ (function () {}) $(function(){ $("#btn2"). Click (function(){ varusername= $("#username"). Val ();//binding monitoring to BTN2alert (username)}) }) /** JQuery Core Object * Executes $ () object returned * The jquery object will be preceded by a $*/ Script> Head> Body> need: Click "OK

After 3 years of work, I gradually found that the future of the day I was the following tools as a weapon. So be sure to understand them. 1 asp.net (1m): The asp.net2.0 development of temple sacrifice 2 asp.net mvc (1m): asp.net MVC architecture and combat --- 3 JavaScript (1m): JavaScript Rhino Book 4 jquery (20d): jquery in action --- 5 SQL Server: --- 6 WCF (1m): WCF Technical Analysis --- 7 C #: You must know. NET, --- 8 中文版 (0.5h/day) It is hoped that the knowledge system of

Seven types of weapons cached in Web applications: 1 Caching of databases Typically, the database supports caching of query results, and there are complex mechanisms to ensure the effectiveness of caching. For databases such as mysql,oracle, the improvement of system performance through reasonable configuration caching is quite significant. 2 data connection-driven cache. such as PHP adodb,j2ee connection drive, even if the hibernate and other ORM als

The previous article introduced the "increase", this article to introduce the next magic Weapon-"delete"The physical layer is the same as the previous one, and there is not much to say here. U-Layer:Public Class Form1 ' delete Private Sub btndelete_click (sender as Object, e as EventArgs) Handles Btndelete.click Try ' Gets the data for the presentation layer Dim Muser as new Loginmodel.user ' instantiates a new entity that is used to pass a B-layer

I learned. net has been around for nearly a year. I accidentally discovered that many of my development tools have never been seen by me, so I am collecting them in the dark (OH, I'm exaggerating). Now I am collecting all seven of them to make this conclusion! I call them "Seven Weapons" \ (^ o ^ )/ -------------------------------------------------------- The first type of weapon is the eternal sword, nunIt (for unit testing) Nunit is open for. N

Android dynamic debugging of seven weapons-Hooking (lower), Android hooking0x00 As mobile security becomes increasingly popular, various debugging tools are emerging one after another. However, no tool is omnipotent due to different environments and requirements. In addition, the tool is dead, and people are active. If you can understand the principle of the tool and combine your own experience, you can also create your own debugging weapon. Therefore

Preface: The so-called 18-like weapons, different eras have different sayings, the earliest Hanwu years: spears, boring, knives, GE, Lance, whip, mace, sword, Hammer, grasping, Ji, bow, Tomahawk, axe, card, stick, gun, fork. To the three countries: nine long: knives, Spears, Ji, lance, boring, tomahawk, sticks, guns, forks; nine short: Axe, GE, brand, arrow, whip, sword, Mace, hammer, grasping. Then to the Ming and Qing dynasties: bows, crossbows, gun

organization Different end of the product: such as PC, SDK, APP (Andorid,ios), H5, etc. Project period: Long (greater than 3 months), Medium (1-3 months), short (within one months) Project Product types: such as user products, commercial products, platform products, etc.; Product development model: waterfall, iteration, flow Based on the characteristics of these projects, you can help us sort out the project, so that the common risks and countermeasures of such projects are

I. Purchase corresponding weaponsEach treasure has different weapons. Players can view the corresponding weapon information in the lower left corner of the treasure card. Therefore, to equip weapons, the most important step is to purchase the appropriate weapons.II. Weapons replacement1. Enter the layoutTo change weapons