feiyue 03

10.6 Monitoring IO Performanceiostat -x 磁盘使用iotop 磁盘使用free 查看内存使用情况free -m / -g / -hbuffer/cache公式：total=used+free+buff/cacheavaliable 包含free和buffer/cacheiostat -x [[emailprotected] ~]# iostat -x Linux 3.10.0-693.17.1.el7.x86_64 (aming-01) 2018年03月05日 _x86_64_ (1 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 0.06 0.00 0.13 0.00 0.00 99.80 Device: rrqm/s wrqm/s r/s

old ones Create # Use date as a suffix of the rotated file Dateext # Uncomment this if you want your log files Compres Sed #compress # RPM Packages drop log rotation information into the This directory INCLUDE/ETC/LOGROTATE.D # no P Ackages own wtmp and btmp--we ' ll rotate them here/var/log/wtmp {monthly Create 0664 root utmp MinSize 1M rotate 1}/var/log/btmp {Missingok monthly create 0600 root utmp rot Ate 1} # System-specific logs may also bE configured here. [[emailprotected] ~]# Cat

* * Common commands for basic Linux operations (III)* * Linux PackagesLinux software is divided into "source package" and "binary package"SOURCE Bundle: Free, open sourceBinary Package: System default package, ie RPM package (last section we unloaded over OpenJDK by RPM), more commonly usedCharacteristics:* After compiling* Install, uninstall, upgrade, query directly using the command to operate* Installation speed is faster than the source package, omitting the compilation process.* Installatio

Time: 2016-03-28-17:27:03 Title Number: [2016-03-28][poj][3616][milking time] #include #include using namespace std; const int maxm = 1000 + 10; struct Roo{ int l,r,v; bool operator (const Roo a)const{ return l a.l; } }a[maxm]; int dp[maxm]; int main(){ int n,

3.2. Windows roles and features required for SCVMMWindows Server 2012 comes with Microsoft. NET Framework 4,windows Server R2 with Microsoft. NET Framework 4.5, but SQL Server requires Microso Ft. NET Framework 3.5, so we also need to add this feature in Windows. To facilitate the installation of the app controller, the IIS,. NET and other related components once installed.3.2.1, APP Controller requirementsComponents required by APP Controller650) this.width=650; "Width=" 720 "height=" 414 "titl

Seq Command IntroductionUse:Seq-print a sequence of numbersGrammar:seq [OPTION] ... Lastseq [OPTION] ... First Lastseq [OPTION] ... First INCREMENT LastCommon options-S,--separator=stringUse STRING to separate numbers (default: \ n)-W,--equal-widthEqualize width by padding with leading zeroes1 Default Printing 1-10[[email protected] ~]# seq 1 5123452 Printing 5-1[[email protected] ~]# seq 5-1 1543213 Printing 1 2 3 4 5[[email protected] ~]# seq-s ' 1 51 2 3 4 5Or[[email protected] ~]# SEQ 1 5 |

other arrays are also used in this assembly mode.Mapbean id="Bandmap" class="Blog3". Band "> property name="Mapins"> map> entry key="GUITAR" value-ref="GUITAR"/> entry key="Pinao" value-ref="Piano"/> entry key="saxophone" value-ref="saxophone"/> map> Property > Bean> Public classBand {PrivateCollectionPrivateMap PublicMapGetmapins() {returnMapins; } Public void Setmapins(map This. mapins = Mapins; } PublicColle

03. JDBC database programming-processing DML statements Void AddBatch(String SQL) Adds the given SQL command to the current list of commands for this Statement object. Void ClearBatch() Empties this Statement object's current list of SQL commands. Void Close() Releases this Statement object's database and JDBC resources immedi

JQuery source code analysis-03 construct a jQuery object-tool function. For more information, see. Author: nuysoft/high cloud QQ: 47214707 EMail: nuysoft@gmail.com Disclaimer: This article is an original article. If you need to reprint it, please indicate the source and retain the original article link. Read, write, or something wrong. Please tell me more about the progress. The PDF in this chapter has been written and published. For the directory of

1 /*B3-Branch-03. Fishing for two days2 * Main. c 3 * test passed 4 */5 6 # include

; [_previewview.layer Addsublayer:cornerspathlayer]; }]; });} Create a nsmutableset to traverse the detected QR code. Handles an object of type Avmetadatamachinereadablecodeobject. Converts the bounds and corner coordinates of an image. Converts the relative coordinates to the coordinates of the container view. Process the QR code data and add it to the dictionary. Removes all the sub-layers in the preview view. Traverse all detected QR codes and add bounda

Use Axure RP prototype design practice 03 to create a login interface prototype, axurerp This article provides a prototype of the logon interface. First, set the background color for the Page in Page Style. To add images to the page, drag the Image component into the page and set the x and Y axes. Double-click the Image part on the page to import the Image. The cropping function is also provided in the Widget Properties and Style panel correspon

Function call in C Language 03-maximum common divisor and minimum common multiple // Function call/* ========================================== =============================== question: calculate the maximum common divisor and the least common multiple of two numbers. For example, the maximum common divisor of 16 and 12 is: 4 16 and 12 have the following least common multiples: 48 ============================================== ===================== *

() method, in this method, the setting interface pops up a message box, which has two buttons: "OK" "Cancel", the user clicks the different buttons corresponding to different actions. Exception Handling android.os.networkonmainthreadexception--Multithreading problemsEverything settled, thought peace of mind, the result is still a problem!Log start error, get update information exception!!! Debug, Find Exception:android.os.NetworkOnMainThreadException.This exception probably means an except

/*//To complete the progress bar by a fixed time, namely: Pseudo progress bar ext.onready (function () {var ProgressBar = Ext.Msg.show ({title: "Progress Bar", Msg: "Complete progress through fixed time", width:300, Wait:true, Waitconfig: {interval:500, D uration:5000, Fn:function () {Ext.Msg.hide ();}}, Closable:false}); }); *//* *//progress bar//updateprogress (number value, String progresstext, String msg) parameter description: Anything between Value:number 0 and 1 (default 0) PR Ogre

CSS Basic:Font-famliyFont-sizeFont-styleText-decorationColorBackground-color... Skills:Define the parent element in the body selector and inherit the subclass for easy administrationThe option after Font-famliy is actually a preferred list to selectFont-size in body is best to define Small,medium,large first ... Subclasses change through 200%,1.2EMFont-style control italic, and italicText-decoration Text style underlineColor,background-color Color control via RGB (0~255) @font-face{f

Common logical operators Operator Chinese name An expression Description Example And, and Condition 1 Condition 2 Two conditions are true at the same time, the result is true; two conditions have one false, then the result is false With the right to vote: At least 18 years of age Chinese citizens. Two of the conditions are true and have the right to vote. One condition is false, then there is no right to vote.

the handler to connect together, Also the URL and specific processing methods linked together, this shows that the use of annotations in the development of a more convenient way. The way in which annotations are commonly used in development.2.2 Continue to refine annotationsNote One problem with annotations is that the annotations adapter and mapper must be paired, that is, not one with annotations and one with non-annotations. Use it together, or you don't have to. In fact, there are more simp

dog */router.post ('/dogs/', function (req, res, next) {Dogs.push (req.body) Res.json ({"STATUS": "200 OK "}); * Delete Delete the entire dog collection */router.delete ('/dogs/', function (req, res, next) {dogs = []; Res.json ({"STATUS": "$ OK"}); * GET a specific dog */router.get ('/dogs/:id ', function (req, res, next) {var i = 0; var dog = null; for (i = 0; I! = Dogs.length; i++) {if (dogs[i].dog_id = = req.params.id) {dog = Dogs[i]; Break }} dog!== null? Res.json (dog): Res.json

systemConfigurableapplicationcontext expanded to ApplicationContext, adding two main methods:Refresh () and close (), allowing ApplicationContext to have the ability to start, refresh, and close the contextApplicationContext All simple interest beans are instantiated when the context is initializedWebapplicationcontext is specially prepared for Web applications, allowing initialization to be done from a path relative to the Web root directoryDependency Injection (attribute injection, constructo