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; PublicClassTest { Public Static Void Main (string [] ARGs ){Gradeenum [] Ge = Gradeenum. Values (); // The values () method returns the array of all values in Enum. For ( Int I = 0 ; I GE. length; I ++ ){System. Out. println (GE [I]);} } } Enum in switch: Package Com. Kay. java5.test1; PublicClassTest { Private Static E

]) { Printf ("% d", I ); } } Printf ("\ n "); } Int main (){ Int n, t, I, j = 0; While (scanf ("% d", n )! = EOF) { Head = tail = 0; Node * root = new node (); Getchar (); For (I = 1; I { Gets (keyword ); Insert (keyword, root, I ); } Build_ac_automation (root ); Scanf ("% d", t ); For (I = 1; I { Memset (biaoshi, 0, sizeof (biaoshi )); Scanf ("% s", str ); Int

is useful in specific scenarios, but it is added after Python 2.7. It serves to add other comparison methods to the classes that implement at least _ lt _, _ le _, _ gt _, and _ ge _., this is a class decorator. If you do not understand the source code, take a closer look at the source code of the decorator: Copy codeThe Code is as follows:Def total_ordering (cls ):"Class decorator that fills in missing ordering methods """Convert = {'_ Lt _': [('_ g

Last week, a webmaster asked me a question and asked if there was any conflict between fastcgi_cache and pagespeed acceleration. I thought for a moment that both are native masters and there should be no compatibility issues.As for how this friend asked the two mechanisms to deal with the issue, I thought about it. Since fastcgi_cache is already cached to a local file, pagespeed must be post-processed. In general, when a user accesses the WEB, Nginx should first call the fastcgi cache, then perf

1: A company uses a public telephone to pass data, and the data is a four-bit integer that is encrypted during delivery.The encryption rules are as follows: Each digit is prefixed with 5, and the remainder is replaced with and divided by 10, then the first and fourth bits are exchanged, and the second and third bits are exchanged.Package Cn.zzsxt.lianxi;Import Java.util.Scanner;public class Practice {public static void Main (string[] args) {System.out.println ("Please enter a four-digit number:"

condition test: Whether the condition of judgment is established1. type of condition test: file test; integer comparison; string comparison; logic test2 . Conditional test Syntax:[ operator conditional expression ] equals test operator conditional expression3. file test:1) Type of file:-(normal file),D(inside), c(character device),s(socket), b(block device),p(pipe file, Can be used for screen demonstrations)2) file judge:-F file,-D Directory,e- file exists,-rwx to determine whether there is perm

"\". Relational operatorsRelational operators only support numbers, and strings are not supported unless the value of the string is a number. The following table lists the commonly used relational operators, assuming that variable A is 10 and variable B is 20: -eq Detects whether two numbers are equal and returns true for equality. [$a-eq $b] returns false -gt Detects if the number on the left is greater than the right and, if so, ret

Testing and judging of shell scripts1. TestingGrammar:[operator condition] = = Test operator condition1) test file-level directoryType of File:F, FileLs-l # #只查看字段的第一个字符, file "-"D, CatalogueLs-ldL, Link fileLs-lC, character deviceLs-l/dev/ttyB, block deviceLs-l/dev/sda1s, socket file, General Service using MySQLLs-l/tmp/mysql.socketP, PipeMkfifo hehe # #创建管道文件Ls-l heheTest operator:-f file,-D directory, whether E exists,-R is readable,-w is writable,-X is executableCase LIST:[-d/tmp]echo $? # #

.lastindex) is set, and//0 begins searching for the starting position of the next match Console.log (pattern5.source);//[bc]at String representation of regular expressions Inheritance Properties Console.log (Pattern5.tostring ()); /[bc]at/i the literal representation of a regular expression Console.log (pattern5.tolocalestring ());///[bc]at/i The literal representation of a regular expression represents console.log ( Pattern5.valueof ()); /[bc]at/i the literal representation of a re

$ sh testsh.shNo found $ sh testsh.sh1No found$ VI 111-tmp.txtThis is 222fileTHISTING1 is 111file $ sh testsh.shThisting1 is 111fileFound$ VI 111-tmp.txtThis is 222fileTHISTING1 is 111file $ sh testsh.shThisting1 is 111file0Found Traditional if from sentence--conditional expression as if condition Copy Code code as follows: If [conditional expression] Then Command Command Command Else Command Command Fi Conditional expression If [f-file] If the file ex

true-D: Exists and is true for the directory-F: Exists and is true for files-R: Exists and Read permission to object is True-W: exists and has write permission for the object to be true-X: Exists and has execute permission on the object to be true[Email protected]/]# [-E/ETC][[email protected]/]# echo $?0[Email protected]/]# [-e/etc/haha][[email protected]/]# echo $?1[Email protected]/]# [-D/ETC/PASSWD][[email protected]/]# echo $?1[Email protected]/]# [-D/ETC][[email protected]/]# echo $?0[Ema

Qt reads and sets the system time in a Linux environmentThis blog link: http://blog.csdn.NET/jdh99, author: jdh, reprint please specify.Environment :Host: Fedora12Development software: QTRead system time[CPP]View PlainCopy void Moreiddialog::refresh_time () { Qdatetime time; Txt_time->settext (Time.currentdatetime (). toString ("yyyy") + "." + \ Time.currentdatetime (). ToString ("M") + "." + \ Time.currentdatetime (). toString ("D") + "." + \ Time.currentdatetime (). ToString

sister's bullying, our Super development engineer Zeng GE up the sleeves and knocked a few lines of code quickly out of a prototype for everyone to experience, we experienced the next really good use a lot of big hands boys can easily operate. Then there is the user feedback the closing tag is still not perfect. So we sat together brainstorming to see if there was a better way. Alex, our senior product manager, said: "Can we not introduc

foundElseecho $?echo "No found"Fi$ sh testsh.shNo found $ sh testsh.sh1No found$ VI 111-tmp.txtThat is 222fileTHISTING1 is 111file $ sh testsh.shThisting1 is 111fileFound$ VI 111-tmp.txtThat is 222fileTHISTING1 is 111file $ sh testsh.shThisting1 is 111file0FoundTraditional if from sentence--with conditional expression as the IF conditionCopy CodeThe code is as follows:If [conditional expression]ThenCommandCommandCommandElseCommandCommandFiConditional expressionsIf [-f file] existsIf [-D ...] If

Briefly record the meaning of the three formats of the IP prefix list (prefix-list): veryhuo.com Ip prefix-list [name] [permit | deny] [prefix]/[len] ge [ge-value] le [le-value] liehuo.net Len 1. ip prefix-list 110 permit 172.16.1.0/23 liehuo.net Meaning 1: the first 23 digits of the network number must be the same # fire # Network Meaning 2: The subnet mask must be a 23-bit veryhuo.com 2. ip prefix-

-options Analyzer Port_monitor][Email protected]# Set Inputegress interface ge-0/0/10.0 # " define the port output traffic to mirror[Email protected]# Set Inputingress interface ge-0/0/10.0 # " define the port input traffic to mirror[Email protected]# set Outputinterface ge-0/0/1.0 # " define the output port (the port to which the sniffer is connected) "[Email pr

(is_narcissistic ($i)) echo $i. " \ n "; } ?> Copy CodeExample 3,php to achieve the number of daffodils: Armstrong number: A K-digit, and the sum of the number of its digits on each bit is equal to its own. (Example: 1^3 + 5^3 + 3^3 = 153) Class Armstrong { static function index () { for ($i = n, $i echo Self::is_armstrong ($i)? $i. '' : ''; } } static function Is

PHP Narcissus number function--bbs.it-home.org function Winter ($num) { if ($num Define Bits $ge = $num% 10; Define 10-bit $ten = (($num%100)-$ge)/10; Define the Hundred /*floor rounding, ignoring all numbers after the decimal point */ $hundred =floor ($num/100); $sum 1= $

Many people have used the Google Earth Remote Sensing map for two of the experience, most of them direct access to GE above the remote sensing map, but the disadvantage is that Google's logo and some ancillary information is also truncated, these watermark-like information will hinder our interpretation of remote sensing images. Here is a direct download of the GE Remote Sensing map method, that is, through

STD;Const DoublePI =ACOs(-1.0);Const intINF =0x3f3f3f3f;Const DoubleEPS =1e-15;typedef Long LongLL;typedefPair int,int> PLL;Const intN = the;BOOLGe[n][n];intFa[n];intFindintx) {if(Fa[x] = =-1) {returnX }returnFA[X] = find (Fa[x]);}intMain () {intN, M; while(~scanf("%d%d", n, m)) {memset(GE,0,sizeof(GE));memset(FA,-1,sizeof(FA));BOOLFlag =0; for(inti =1; I intNum, k;scanf("%d", num); for(intj =0; J scanf