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specify the width of the string ourselves, then the program is as follows: Copy Code code as follows: #!/bin/perl Print "Please input column width.\n"; Chomp ($width =Print "Please input some lines,then press ctrl+z. \ n"; Chomp (@s=Print "1234567890" x7. \ n "; foreach $s (@s) { printf "%${width}s\n", $s; this variable is referenced here because the variable name defaults to the maximum character length, all of which we

The mathematical library function declaration in the MATH.H, mainly includes: 1. ABS (x) to calculate the absolute value of integer number x2, cos (x) x (radian) cosine3, Fabs (x) to find the absolute value of the floating-point number X4, Ceil (x) to find the smallest integer less than x5, floor (x) to find the smallest integer greater than X6, log (x) to find the natural logarithm of X7, LOG10 (x) to find the logarithm of x (bottom 10)8, pow (x, y)

the gradient. At the same time you can click on the top of the color bar opaque control points, adjust the opacity and opacity gradient position. The color and location of the specific settings are as follows: #ede1b1-5% #ecd98f-75% #e1ca71-88% #be8936-100% The last set left opacity position is 5%. Figure 17 When you finish adding layer styles, the text effects are as follows. Figure 18 5. Set the fir

Instancevar $=function () {} $.isie= navigator.appname = = ' Microsoft Internet Explorer '; if ($.isie) {$.bind=function (Obj,eve,fun) {if (Obj.arr) {}else{Obj.arr=[];}if (obj.arr.length>0) {for (Var i=0;iif (Obj.arr[i].e==eve) {Obj.arr[i].f.push (fun);Break}}}else{Obj.arr.push ({E:eve,f:[fun]});}var addeventtoobj=function (inx) {obj["on" +obj.arr[inx].e]=function () {for (Var i=0;iObj.arr[inx].f[i] ();}}for (Var i=0;iAddeventtoobj (i);} }}else{$.bind = function (obj,eve,fun) {Obj.addeventl

2:tail-to-tail The second structural form of the Bayesian network is shown in the following figure Consider c unknown, with C known in both cases: when C is unknown, there are: P (a,b,c) =p (c) *p (a|c) *p (B|c), at which point P (a,b) = P (a) p (b) is not available, that is, when C is unknown, A, B is not independent. When C is known, there are: P (a,b|c) =p (a,b,c)/P (c), the P (a,b,c) =p (c) *p (a|c) *p (b|c) is then brought into the equation by: P (a,b|c) =p (a,b,c) (c) = P (c) *p (a|c) *p

The economic contraction caused by the financial crisis has prompted the enterprise economy to enter a new era, prompting the whole IT industry to enter a period of demand for efficiency and cost control. The budget has not increased or even slightly reduced for IT companies, but there has never been a change in support for a 24-hour x7 day operation, data growth, data protection and recovery. So a new kind of flexible, can be pooled, rapid horizonta

Tags: OS sql sp functions oo c BS parameters1.ABS (X)Take the absolute value function2.MOD (x, y)Take the remainderMoD (4,3) =1MoD (3,4) =33.CEIL (X)Returns the smallest integer greater than or equal to X4.FLOOR (X)Returns the largest integer less than or equal to X5.POWER (x, y)Returns the Y power of X6.SQRT (X)Returns the square root of X7.ROUND (X,[y])Returns the rounding result for x, with the optional parameter y representing the number of roundi

Http://www.cnblogs.com/codex/p/4668396.htmlNeed to make some minutes of the meeting. How many are there in total? Five locations X7 month x 4 articles per month = 140 articles. It's not very important, but the 140 records are completely identical and not good. In general, this type of record is broadly divided into four segments. Then decided to provide four options per paragraph, each paragraph from the four options randomly selected, pieced together

/passwd | head-n 5 | cut-d:-f-2 root: xbin: xdaemon: xadm: xlp: x7 If spaces and tabs are encountered, how can this problem be identified? I think it's a bit messy. What should I do? Sometimes tabs are hard to identify. There is a way to see whether a space is composed of several spaces or a tab. [Rocrocket @ rocrocket programming] $ cat tab_space.txtthis is tab finish. this is several space finish. [rocrocket @ rocrocket programming] $ sed-n l tab_sp

Use Python to print multiplication formulas, and of course we can print multiplication formulas with the shell to print multiplication formulas.The Python code is as follows:#!/uxr/bin/pythonfor i in Xrange (1,10): for J in Xrange (1,i+1): print "%s X%s=%s"% (j, I, J*i), printThe printing results are as follows:[[Emailprotected]day02]#python2.py1x1=11x2=22 x2=41x3=32x3=63x3=91x4=42x 4=83x4=124x4=161x5=52x5=103 x5=154x5=205x5=251x6=62x6=12 3X6=184X6=245X6=306X6=361X 7=72x7=143x7=214x7=285x7=356

After Nokia's Symbian Belle system was updated, it finally ushered in the first batch of Microsoft applications. The products released by Microsoft this time are all productivity kits for enterprises, including Microsoft Lync Mobile and Onenote, powerpoint Broadcast and Microsoft Document Connection. Next year, Microsoft will release Microsoft Word, Excel, PowerPoint, and other mobile applications. This release supports N8, C7, C6-01, E7, E6, X7, and

Transmission DoorB-June's gameWWWWODDDD (propositional person)Base time limit: 1 seconds space limit: 131072 KB Score: 40b June and L are going to play a game. At first there are n positive integer ai.The two sides operate in turn. For each operation, select a positive integer x, remove it, and add 7 digit x1,x2...x7. Requirements for Xi, meet 0Note 0 cannot be selected, so this game is bound to end, and whoever fails to do so will fail.b June accordi

special characters $ Str = "ffff \ 0 ffff "; $ Str = str_replace ("\ x0", "", $ str ); // Or use $ str = str_replace ("\ 0", "", $ str ); // Or use $ str = str_replace (chr (0), "", $ str ); Echo (strlen ($ str )); Echo ("\ n "); For ($ I = 0; $ I Echo ("\ n "); Output result: ---------------------- 8 102 102 102 102 102 102 102 Octal ascii code example: // Note that the string that matches the regular \ [0-7] {} represents an octal ascii code. $ Str = "\ 0

;!> 6 | 7 ** 111087-k) ebfsX % x5c % x7827u % x5c % x7825) 7 fmji % x5c % x7860ufldpt} X; % x5c % x78 # % x5c % x785cq % x5c % x78257 ** ^ # zsfvr # % x5c % x785cq % x5c % x7825) uftc % x7825tpz!>! #] D6M7] K3 # 2bd % x5c % x7825! 2qj % x5c % x78257-K) udfoopdXA % x54 ! #] Y76] 277] y72] 265] y39] 274] y85] 273] y66 1 J % x5c % x7825! * 72! % X5c % x7827! Hmg % x-t.98] K4] 65] D8] 86] y31] 278] y3f] 5c % x7860sfqmbdf) % x5c % x7825 % x5c % x7824-% x5c %

: ---------------------- 9 102 102 102 102 0 102 102 102 Example of replacing special characters $ Str = "ffff \ 0 ffff "; $ Str = str_replace ("\ x0", "", $ str ); // Or use $ str = str_replace ("\ 0", "", $ str ); // Or use $ str = str_replace (chr (0), "", $ str ); Echo (strlen ($ str )); Echo ("\ n "); For ($ I = 0; $ I Echo ("\ n "); Output result: ---------------------- 8 102 102 102 102 102 102 102 Octal ascii code example: // Note that th

You can do pattern matching like Haskell, Prolog, Establish logic to push to the rules, describe the problem, and come up with answers. From Pydatalog import pydatalogpydatalog.create_atoms (' N, N1, X, Y, X0, X1, X2, X3, X4, X5, X6, X7 ') Pydatalog.create_ato MS (' OK, Queens, Next_queen, pred, pred2 ') size = 8ok (X1, N, X2) 

(); 4 } Specific Builder 1 class ConcreteBuilder extends Builder { 2 private Product product = new Product(); 3 4 public Product getProduct() { 5 return product; 6 } 7 8 public void createPart(String arg1, String arg2) { 9 product.setName(arg1); 10 product.setType(arg2); 11 } 12 } Director 1 public class Director {2 private Builder builder = new ConcreteBuilder (); 3 public Product getAProduct () {4 builder. createPart ("BMW

NT 20006) Linux kernel 2.3.x7) ibm aix 4.3.28) HP HP-UX 11.4 Solution: If no static page or image is used, you can configure a default servlet and map "/" to this default servlet. In this way, when a URL not mapped to a servlet is received, the default servlet will be called. In this case, the default servlet can only return "files not found ". If a static page or image is used, you can still configure it like this, but you need to have this default

Python example sharing --- logic reasoning programming solves eight queens, python logic reasoning It can match the pattern like Haskell and Prolog, Create logic to push to rules, describe the question, and get the answer. from pyDatalog import pyDatalogpyDatalog.create_atoms( 'N, N1, X, Y, X0, X1, X2, X3, X4, X5, X6, X7' )pyDatalog.create_atoms( 'ok, queens, next_queen, pred, pred2' )size = 8ok( X1, N, X2 ) Python solves the eight Queens algorithm

("\ n ");Output result:----------------------8102 102 102 102 102 102 102Octal ascii code example: // Note that the string that matches the regular \ [0-7] {} represents an octal ascii code.$ Str = "\ 0 \ 01 \ 02 \ 3 \ 7 \ 10 \ 011 \ 08 \ 8"; // The \ 8 here does not meet the requirements, corrected to "\ 8" (ascii: 92 and 56)Echo (strlen ($ str ));Echo ("\ n ");For ($ I = 0; $ I Echo ("\ n ");Output result:----------------------110 1 2 3 7 8 9 0 56 92 56Hexadecimal ascii code example:$ Str = "