alternate 8s

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One case requirement: abnormal traffic

The problem that arisesAlternative streams, also known as alternative event streams, are alternativeflow in English. in RUP and UML . An explanation of the alternate stream is as follows: The alternate event stream contains the behavior of optional or unusual characteristics related to normal behavior, and also contains various variants of normal behavior at the same time. You can consider an alternative ev

Change the icon for iOS app (iOS10.3)

OriginalChange icon for iOS appOfficialiOS10.3 has added an icon that allows developers to change the app, and then see how to change it.The official API gives very little, but introduces an example method: 1 openfuncsetAlternateIconName(_alternateIconName:String?,completionHandler:((Error?)->Swift.Void)?=nil) According to the parameters passed in, we only need to pass in the alternate icon name, and then we can get the

Oracle 11g Dataguard Parameter detailed _oracle

the unique name of the other database to the configuration, and the unique name of the current database will be added automatically based on the scene, but the unique name of the current database will be added explicitly to clear the period and maintain consistency of the parameter in all databases. There is no requirement for the configuration order of names, which must be configured in an environment with RAC and should always be used. Copy Code code as follows: Log_archive_co

Use of HTML styles

alternate--define alternate links appendix --to define additional information for a document bookmark --bookmarks canonical--Spec page is a set of content Preferred version of a highly similar web page Chapter --Chapter of the current document contents Copyrigh T --Copyright of the current document glossary

Algorithm exercises---Array main elements of linear table search

One: TopicThe main element is that a number appears in the array more than half the length of the array, so this number is the main element of the array element.For example: {0,5,5,3,4,5,5,5,5,9} This element 5 has 6 more than half, so that is the main elementUse an efficient method to find the main element of array a, and if so, output the element, otherwise return1Second: IdeasHere we use the method of the counter to mark the data element, the first element is set to the

Java Multithreading--JDK and contract (2)

functionality as above, but the thread pool size is 1.Scheduledexecutorservice has three ways to perform tasks in a planned manner. Such as: schedule(Runnable command, long delay, TimeUnit unit);The method can perform a task after a given delay. scheduleAtFixedRate(Runnable command,long initialDelay,long period,TimeUnit unit);The method takes the task to start execution time is initialdelay, plus the period period, is the next task to start the execution time, and so on, therefore

Linux awk command detailed 2

redirection for Output Route-n|awk ' Nr!=1{print} ' >./fsformatted outputNetstat-anp|awk ' {printf '%-8s%-8s%-10s\n ", $1,$2,$3} ' printf represents a format output% formatted output delimiter-8 length of 8 characters s means the string type prints the first three fields per line, Specifies the first field output string type (length 8), the second field output string type (length 8), the third field output

[Go]linux awk command

to a file① output Route-n|awk ' Nr!=1{print > './fs '} ' ② use redirection for Output Route-n|awk ' Nr!=1{print} ' >./fsformatted outputNetstat-anp|awk ' {printf '%-8s%-8s%-10s\n ", $1,$2,$3} ' printf represents a format output% formatted output delimiter-8 length of 8 characters s means the string type prints the first three fields per line, Specifies the first field output string type (length 8), the sec

[Go]linux awk command

to a file① output Route-n|awk ' Nr!=1{print > './fs '} ' ② use redirection for Output Route-n|awk ' Nr!=1{print} ' >./fsformatted outputNetstat-anp|awk ' {printf '%-8s%-8s%-10s\n ", $1,$2,$3} ' printf represents a format output% formatted output delimiter-8 length of 8 characters s means the string type prints the first three fields per line, Specifies the first field output string type (length 8), the sec

The impact of Linux file pre-reading on the system

];}printf"\\n%25s,%5s%6D,%5s%6D,%5s%8D,%5s%8D,%5s%8d\\n\\n ", CTime (gettimeofday_s ()), Total, "Skip:", Skip, "REQ:",S0, "To_rd:", S1, "Nr_rd:", s2 )/*Print Header*/ printf"%25s%8s%8s%8s\\n ", "FILENAME","REQ","To_rd","Nr_rd") foreach (Ino in Req-limit20) printf"%25s%8d%8d%8d\\n ", Find_filename (INO), reQ[ino], To_read[ino], Actual[ino]);}Delete total;De

The rotate of CSS3 animation-animation

/* timer*/. timer{width:240px; height:240px; background-color:transparent; box-shadow:inset 0px 0px 0px 2px #fff; border:2px #f XX solid; border-radius:50%; position:relative; MARGIN:38PX Auto; }. Timer:after,. timer:before{position:absolute; Content: ""; Background-color: #fff; }. timer:after{width:10px; height:2px; top:11px; left:11px;-webkit-transform-origin:1px 1px;-moz-transform-origin:1 PX 1px; transform-origin:1px 1px; -webkit-animation:minhand 2s linear infinite; -moz-animation:minhand 2

Two-time encapsulation of jquery Ajax and AJAX caching Agent components: Ajaxcache detailed _jquery

: ' + json.stringify (res.data); } }); Count--; },4000); }; In this code, I created a proxy object, can cache Ajax request 10s, with a timer called the proxy object five times get method to send the same request, the final printing effect is as follows:As a result, the entire code executes 24s, and the time that the agent sends the request is 4s, 8s, 12s, 16s and 20s. Because the agent's cache is valid for 10s, and 4s is the

PHP sprintf () format the output of the detailed ____php

("%%g =%g", $num 1). " Echo sprintf ("%%g =%G", $num 1). " Echo sprintf ("%%o =%o", $num 1). " Echo sprintf ("%%s =%s", $num 1). " Echo sprintf ("%%x =%x", $num 1). " Echo sprintf ("%%x =%x", $num 1). " Echo sprintf ("%%+d =%+d", $num 1). " Echo sprintf ("%%+d =%+d", $num 2). " ?>4. Demo of the string descriptor $str 1 = "Hello"; $str 2 = "Hello World"; Echo sprintf ("[%s]", $str 1. " Echo sprintf ("[%8s]", $str 1. " Echo sprintf ("[%-

Muduo Network Programming Example (eight) kick off the idle connection with Timing wheel

This article describes how to use the timing wheel to kick off an idle connection, and a connection is considered an idle connection if it does not receive data for several seconds. The code for this article is shown in Http://code.google.com/p/muduo/source/browse/trunk/examples/idleconnection In a serious network program, the application layer's heartbeat protocol is essential. The heartbeat message should be used to determine if the other process is working correctly, and "kicking off the Id

Reuse of Threads: thread pool (reading notes)

represents immediate execution and then executes every 2 seconds. The interval is 2 seconds. If we set the thread's sleep time to 8s, we find that the time interval becomes 8s. Public classScheduledexecutorservicedemo { Public Static voidMain (string[] args) {scheduledexecutorservice ses= Executors.newscheduledthreadpool (10); /*Ses.scheduleatfixedrate ((), {try {thread.sleep (1000); System.out.

Use Chinese in Python

. Why do the parameters of these two functions use "GBK?The first response is that GBK (# Coding = GBK) is used in our encoding statement, but is it true?Modify the source file:# Coding = UTF-8S = "Chinese"Print Unicode (S, "UTF-8 ")Run, error:Traceback (most recent call last ):File "chinesetest. py", line 3, in S = Unicode (S, "UTF-8 ")Unicodedecodeerror: 'utf8' codec can't decode bytes in position 0-1: Invalid DataObviously, if we use GBK on both si

Phpprintf () outputs formatted strings. phpprintf_PHP tutorial

", $ Num2); // symbol specifier (negative)?> Online operation Example 4 Demonstration of string specifiers: ",$str1);printf("[%8s]",$str1);printf("[%-8s]",$str1);printf("[%08s]",$str1);printf("[%'*8s]",$str1);printf("[%8.8s]",$str2);?> Online operation Address: http://www.manongjc.com/article/867.html Http://www.bkjia.com/PHPjc/1128122.htmlwww.bkjia.comtr

The cost of the 8-hour recommendation by colleagues is low.

. In addition, the 8s series also provides application programming and online programming functions. Its Single-Line Debugging function uses the most advanced online debugging module in the industry. In applications such as household appliances, personal care equipment, battery power supply equipment, power tools, heating and cooling general air conditioning (HVAC) equipment, motor controllers, and circuit breakers, the four built-in energy-saving mod

How to use Chinese in Python

came with Windows to edit and coexist in UTF-8 format,Running error:Traceback (most recent call last ):File "ChineseTest. py", line 3, in Print open ("Test.txt"). read (). decode ("UTF-8 ")UnicodeEncodeError: 'gbk' codec can't encode character U' \ ufeff 'in position 0: illegal multibyte sequence Originally, some software, such as notepad, will insert three invisible characters (0xEF 0xBB 0xBF, BOM) at the beginning of the file when saving a file encoded in UTF-8 ).Therefore, we need to remove

Using Python's common formatting output reason

This article summarizes some simple basic output format form, the following words do not say more, to see the detailed introduction bar. First, print the string >>> print "I ' m%s"% ("jihite") I ' m jihite Second, print integer >>> print "I ' m%d years old"% (+) I ' M years old Third, print floating-point number >>> print "π=%f"% (3.1415926) π=3.141593 Iv. Print floating-point numbers (Specify the number of decimal places reserved) >>> print "π=%.3f"% (3.1415926) π=3.142 V. Specify the placeho

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