referee stopwatch

In "two ways to implement the observer pattern", the observer pattern has been implemented through the interface, delegate, and event methods. This article uses action to implement this mode. Let's take a football field as an example. When the referee blew the final whistle, the victory team celebrated and the Failure team fell. Think of the referee as the observer, and the two teams in the game as the o

The information security competition began in 2013.2013 Shandong Province did not hold the selection, we directly signed up to participate in the national race, rushed to the challenge, only 24, the third prize.2014 years did not host the national race, the second half participated in the provincial race selection, 4th place, prize. The top 5 can participate in a new round of training and selection, we abstained for some reason.2015 visit to School for one year, did not participate in the compet

DescriptionN (3N20000) Ping pong players live along a West-east street (consider the street as a line segment). Each player has a unique skill rank. To improve their skill rank, they often compete with each other. If-Players want to compete, they must choose a referee among other ping pong players and hold the game in the referee ' S house. For some reason, the contestants can ' t choose a

Problem Description:Problem DescriptionN (3 Each player has a unique skill rank. To improve their skill rank, they often compete with each other. If-Players want to compete, they must choose a referee among other ping pong players and hold the game in the referee ' S house. For some reason, the contestants can ' t choose a referee whose skill rank is higher or lo

number of children And the number of rounds. Following are M lines, each line contains two integers in [0, N] separated by one symbol. The two integers are the IDs of the two children selected to play Rochambeau for this round. The symbol May is "=", ">" or " Output There is only one line for each test case. If The judge can is found, print the ID of the judge, and the least number of rounds after which the judge can be uniquely Determined. If The judge can is found, or the outcomes of the mr

In this case, the time for issuing the ticket will be 10 minutes-> 20 seconds. This is amazing. Now, let's go to the demo, test, and change it to a method test that we generally use. nnd is really fast. Paste my demo: sqlbulkcopy.rar here CopyCode The Code is as follows: using system; Using system. diagnostics; Using system. Data; Using system. Data. sqlclient; Using Microsoft. applicationblocks. Data; Namespace consoleappinserttest { Class Program { Static int COUNT = 1000000; // Number of ins

In this way, our Fashui ticket time will be 10 minutes-->20 seconds, which is amazing. As a then, the next demo, testing, change to their own general methods of testing, NND, can really say is the speed. Put my Demo:SqlBulkCopy.rar in here. Copy CodeThe code is as follows: Using System; Using System.Diagnostics; Using System.Data; Using System.Data.SqlClient; Using Microsoft.ApplicationBlocks.Data; Namespace Consoleappinserttest { Class Program { static int count = 1000000; Number of bars inser

delegate and puts it into the dictionary:Private StaticDictionaryNewDictionary(); Public Static ObjectGetpropertyvalueuseexpression(TObject obj, PropertyInfo property) {if(Delegatecache.containskey (property)) {varFunc = (FuncObject>) Delegatecache[property]; returnfunc (obj); } varGetvaluedelegate =Builddynamicgetpropertyvaluedelegate (property); Delegatecache[property]=getvaluedelegate; return(FuncObject>) (getvaluedelegate) (obj);}As simple as that, I wanted to test the performance gap be