Open Source Monitoring Solution Nagios+cacti+pnp4nagios+nconf+ndoutils+nagvis (i) Introduction

with Nagios as the core, with a variety of open source software for the integration of deployment, so as to achieve the monitoring information graphical, Web page definition monitoring configuration, A solution that monitors a range of functions

Comparison of service and Intentservice usage in Android

I do not know if you have the same as me, before the project or practice has been used to deal with the background time-consuming operation, but very little notice there is a intentservice, the previous period of time to prepare for the interview

Easy language using window messages for borderless resizing and moving windows

First you can add 4 picture boxes as the window's title bar and Border Window's surrounding border and title bar can be fabricated with a picture frame If you don't want others to see the picture frame, you can make the background color of the

Android Custom drop-down box implementation Spinner

Drop-down box layout a_spinner_checked_text.xmlAndroid:id= "@android: Id/text1"Android:layout_width= "Match_parent"android:layout_height= "Wrap_content"Android:gravity= "Center_vertical"Android:padding= "8DP"Android:singleline=

Camera capture on the Objccn-ios

In the first iphone, the only way to integrate the camera in the app is to use Uiimagepickercontroller. To IOS4, a more flexible avfoundation framework was released.Uiimagepickercontroller provides a simple method of capturing and supporting all the

Jump for settings above IOS 8

IOS8 above system application can interact with the settings deeply, the user can set the corresponding permission according to the needs of the app.Most apps now still just pop up a warning window with instructions, such as "Go to Settings >

Android image Compression

In the previous article (Android image transformation) mainly describes the use of bitmap, of course, which also includes a little picture compression content, but no detailed description, this article to explain the normal use of Android image

IOS Event Responder Chain learning (also known as UI chain chaining)

When an event response occurs, you must know who responds to the event. In iOS, the response chain responds to events, all of the event response classes are subclasses that inherit from Uiresponder, and the response chain is a hierarchy of different

Several common ways to hide your keyboard from IOS

1. Set return key, then add a response method for the did End on Exit event and add code inside the method: [Self.textfieldname Resignfirstresponder].2. Set the background view to the Uicontrol class, add a response method for the touch down event,

This is how an efficient app development team works.

Toyear, CTO of an app Development company , has several app development projects on hand. Today there is a project to the delivery, he would like to check The function of the APP. Toyear took out his cell phone and opened the appthat was installed

Nagios+cacti+pnp4nagios+nconf+ndoutils+nagvis (i) Nagios installation

1.nagios InstallationGroupadd NagiosUseradd-g Nagios NagiosMkdir-p/usr/local/nagios/passwd NagiosTAR-XVF nagios-4.0.8.tar.gzCD nagios-4.0.8./configure--prefix=/usr/local/nagios/--with-command-group=nagios--with-nagios-user=nagios--with-nagios-group=

Lan Yi iOS Weibo project home

----------------------Functional Partitioning-----------------------------To this step, you want to implement a custom TableCell to add a toolbar view with three lable (likes, comments, forwarded), so customize a view classCustom Lyweibotoolbarview

Android Custom Controls

In the Android system, all controls and layouts are sub-classes or indirect subclasses of view, such as button inheritance Textview,textview inherits view.If we want to define a control, we must inherit the subclass of view or view.If you want to

An apple a day

Apple, a lot of people love to eat, but do you know what is the advantage of eating apples? Studies have shown that Apple's taste can help eliminate anxiety and relieve headaches. The researchers speculate that this may be because the taste of

Android Five layout modes

Android layout is an important part of application interface development, in Android, there are five kinds of layout methods, namely: LinearLayout (Linear layout), Framelayout (frame layout), Absolutelayout (absolute layout), Relativelayout

The Uipagecontrol of ios-oc-basic control

Uipagecontrol (Page controller, which is the small dots on the desktop, each point represents an interface)The parent class is Uicontrol.iOS development commonly used in the basic controls, mainly with the Uiscrollview, the more commonly used is

Differences between iOS notifications and proxies

Difference one: Delegate for one-to-one relationship, and reciever can return a value to Sender;notification can not return a value to sender for One-to-one/many/none,reciever; , delegate is used for sender to receive a function feedback value to

IOS Learning Note 27-calayer

First add a picture to the projectUiimageview *imageview = [[uiimageview alloc]initwithimage:[uiimage imagenamed:@ "1"]];Imageview.center = self.view.center;[self.view addsubview:imageview];Set ShadowImageView.layer.shadowColor = [[uicolor

Android Phone Exchange Mode connection mailbox

Android Phone Exchange Mode connection mailboxIn the enterprise, the system administrator often encounters colleague to ask the mobile phone mailbox how to Match. This note takes the Xiaomi phone as an example to tell how the Android phone

30 lessons for creating an Android app

There are two kinds of people in the World-the people who learn from the lessons and the people who listen to others ' suggestions. Here are some of the things i've been learning to share with you:1: before you add any third party parties, think

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