csu utilities

. .ClassThreadPoolExecutorAndScheduledThreadPoolExecutorProvides an adjustable and flexible thread pool.ExecutorsClass provides common types and configuration factory methods for most executors, and several utility methods for using them. Other executor-based utilities includeFutureTask, Which provides common extensible implementations of the future, andExecutorCompletionServiceIt helps coordinate the processing of asynchronous task groups.Queue Java.

10 recommended Linux utilities In this article, we have collected 10 tools that are very useful to Linux users, including network monitoring, system auditing, and other useful commands. These 10 Linux tools can help you improve your work and use efficiency, very practical. 1. w Yes, you are not mistaken. It is the w command. With this command, we can view who is currently logged on to the system and what commands are executed. Use the w command and u

Java utilities Util functions (Date Processing and http), javautil/*** Returns the day of the year based on the date.* @ Param date* @ Return*/Public static int orderDate (String dateStr ){If (dateStr = null | dateStr. trim (). length () = 0) return 0;Int dateSum = 0;Int year = Integer. valueOf (dateStr. substring (0, 4 ));Int month = Integer. valueOf (dateStr. substring (5, 7 ));Int day = Integer. valueOf (dateStr. substring (8, 10 ));For (int I = 1;

The Utils methods. selenium.webdriver.common.utils. Free_port ( ) Determines a free port using sockets. selenium.webd River.common.utils. is_connectable ( Port ) Tries to connect to the server at port to see if it is running. args: port:the port to connect.

(:));ifOpt_graycolor, ColorMap (gray);End% compute rows, cols[L, M]=size(A); sz=sqrt(L); buf=1;if~exist (' cols ',' var ')if Floor(sqrt(M)) ^2~= M n=Ceil(sqrt(M)); while MoD(M, N) ~=0 n1.2*sqrt(M), n=n+1;Endm=Ceil(m/n);Elsen=sqrt(M); M=n;EndElsen = cols; m =Ceil(m/n);Endarray=-ones(buf+m* (SZ+BUF), buf+n* (SZ+BUF));if~opt_graycolor array =0.1. * Array;Endif~opt_colmajor k=1; for I=1: M for J=1: NifK>m,Continue;EndClim=max (ABS(A (:, k)));ifOpt_normalize Array (buf+ (I-1) * (SZ+BUF) + (1: SZ),

Transferred from:http://www.pengyaou.com/LegendsZ/File/2014/08/25/20140825100811471.htmlIntroduced in the website QQ and Sina Weibo landing, the threshold of the site to reduce the decline has been done, because this 2 is basically all the network name, especially QQ. Download the following 2 ways to sign in.1.QQ requires certification and creates application applications. Such as:Click on the website, fill in the website information, such as:Click Create app, wait for approval, after approval w

software, ability to shop and add work items, bugs, issue tracking items, etc. Postman: Rest client, capable of sending HTTP requests to parse the response from rest applications. Web Developer Checklist: Checklist can be used to manage development plans PowerGUI: The ability to quickly receive and use PowerShell to effectively manage the Windows development environment. Beyond Compare: Provides file comparison functionality. PostMan: REST Chrome Extensions d

, modular front-end frame; Bootstrap-The well-known front end frame; Foundation-The well-known front end frame. Useful Products/Links the label; (Translator note: Chinese translation address) Ghost-A simple blogging platform based on node. js; What runs-Chrome plugin for website Technical analysis; Learn anything-a powerful mind map for decomposing projects. The above is my personal commonly used in some of the front-end tools, frameworks, libraries

You do not need to query the system tables, you can also create an ordered list of columns through the Object Browser in the Query Analyzer. SQL Server version client utilities provides such a method (SQL Server 7.0 is also available). If the Object Browser is not open, you can click on the toolbar | Object Browser | display/Hide options, or press F8 to open. In Query Analyzer, the Object Browser is displayed in a window to the left. In this window to

Swing offers a number of utilities that are used internally within swing components, and the Swingutilities class is one of them. It provides a number of methods involving computing, transformation, access control, layout, etc., which have been widely used in various swing components. Of course, we can also apply it to our own program. Here's a look at one of these practical features. (1) Conversion method MouseEvent convertmouseevent (Component so

I am dying. I have been doing this question for two days ...... Various amazing mistakes ...... This is also the question of hnu 12831. Question: We will give you two equal-difference series, and calculate the number of common elements in these two series. Each series is given in the following format: n f d (representing the length, first item, and tolerances of each series respectively ). Ideas: First, an intersection of two series is obtained by extending Euclidean, and then the first intersec

(scanf ("%d", cass); cass;cass--)111 //for (scanf ("%d", cas), cass=1;cass the //while (~scanf ("%s", s))113 while(~SCANF ("%d",N)) the { theaans=0; thex=l=n+1, y=r=0;117 for(i=1; i"%d", A +i);118 for(i=1; i)119 { - if(!a[i])Continue;121 if(ABS (A[I]-I) >1) {Work1 (i); Break;}122 if(a[i]-i==1) X=min (x,i), y=Max (y,i);123 if(a[i]-i==-1) L=min (l,i), r=Max (y,i);124 } the if(iContinue;126 i

[V] =true; - } -Ans = (ans + a[u] * d[v]% MoD)%MoD; theD[u] = (D[v] + d[u])%MoD; - }Wuyi } the - intMain () Wu { - intN, M, U, v; About while(SCANF ("%d%d", n, m)! =EOF) { $ for(inti =1; I i) { -scanf"%lld%lld", A + I, B +i); - } - init (n); A for(inti =1; I i) { +scanf"%d%d", u, v); the Add_edge (U, v); -++inch[v]; $ } the for(inti =1; I i) { the if(!inch[i]) {//0 in the degree the DFS (i); the } -

. After finding the coordinates of the center, the next question is how to judge whether the link between the point and the center of the center is within the arc of the slice. I also used the situation to discuss it, however, there are still many cases. At the beginning, eight cases were divided, and then compressed to four cases: Determine whether the order of the given points is clockwise or counterclockwise, then determine the direction of the range, and then determine whether the point is i

CSU 1354 Distinct Subsequences: Calculate the sum (dp) and csusubsequences of different Subsequences. Question link: Click the open link Description Give a positive number, count the sum of the distinct subsequence of it, moreover, any subsequence shoshould not contain leading zeroes should t it is zero.For example, if the number is 1022, the answer is 1 + 0 + 2 + 10 + 12 + 22 + 102 + 122 + 1022 = 1293. Input The first line has an integerT, Means th

Csu 1577: Dice Game, csu1577dicegame # Include

Question link: http://acm.csu.edu.cn/OnlineJudge/problem.php? Id = 1337 Solution Report: although the range of X and Y is 10 ^ 8, if A is greater than 1000, A ^ 3 will be greater than 10 ^ 9, in this way, there is only one 10 * C + 3 on the right of the equal sign, which can only reach 10 ^ 9 orders of magnitude. Therefore, no matter how many X and Y are input, we only need to take the range from 1 to 1000, enumerate a and B, then C can get, and then judge whether the range of C is between x and

Label: style blog color Io for SP Div on Log 1 For (Int J = 0; j Note that if the height is the same, no matter who is standing in the queue, the two are considered only one situation: As shown in the code above, if the statistics are the same, an error will be reported, but the sample can pass through Len [I] indicates the longest sub-sequence length that can be constructed by the first I object. CNT [I] indicates the number of the maximum length of the largest sequence constructed by the fir

1.000000000.000000000.707106782.236067981.414213560.00000000Hint Source The Eighth Program Design Competition for Central South University Students /Obtain the coordinates of A and B at the T moment, and then use the distance formula to find the distance between D = A and B. It is a binary equation about T and A is obtained based on known conditions, b, c, Judgment, the simplest way to direct1. Obtain the vertex coordinates, that is,-B/2/. If the number is greater than or equal to 0, calculate

CSU 1612: Destroy Tunnels strongly connected component Kosaraju algorithm, tunnelskosarajuLink: zookeeper Http://acm.csu.edu.cn/OnlineJudge/problem.php? Id = 1612 Give A matrix A the size of N * N, B = A ^ 1 + A ^ 2 + A ^ 3 + .... whether non-zero items exist in A ^ n and B. The question can be converted to N vertices numbered 1-N. For any vertices, the question goes through any step to reach u (u is any of all vertices ). In Discrete Mathematics, ma