1 Arouse doubtsAnalyze the view invalidate process to find the left of view, right, top, bottom and you understand the different, now want to analyze the meaning of these several values specific.2 Understanding coordinates, position conceptThis
After understanding some basic local storage usage and ideas, let's introduce the local storage system.Local storage is divided into three main categories: localstorage/sessionstorage/local DatabaseThe use of Localstorage and Sessionstorage, the
UseViewStubLazy Loading
1.ViewStubLazy Loading
Viewstub is an invisible, size 0 view, the best use is to implement the view delay loading, when needed to load the view, can be common in Java Performance optimization method lazy
Several steps to create and invoke local notifications1, create a local notification2, set processing time3, set the notification body4, you can set the passed parameters UserInfo5, call notification-(BOOL) Application: (UIApplication *) application
Use of the handle class in AndroidWhen we are dealing with downloads or other tasks that need to be performed for a long time, if you put the handler function directly in the activity's OnCreate or onstart, it will cause the entire activity to be
First create a new broadcast listener class Startactiviryreceiver extends Broadcastreceiver {public final static, which inherits from Broadcastreceiver String Intentkey = "starttestactivity"; @Override public void OnReceive
And QQ daily steps is very hot recently, I would like to write a project to add a display of the daily steps of the function, Internet search as if and have relevant details, self-clothed.Statistics step information does not need to be implemented
1, the use of post to submit the need not to pass the number of references written in the URL, be sure to use Basicnamevaluepair this class to completeCreate a URL that I want to send a similar get method----------http://localhost/app/camera.php?Opt=
-(void) initblock{Method of delay1:GCD delay this way in the ability to select the thread to run in the number of parameters.is a non-clogging operation that does not find a way to cancel the operation.Double delay1=2.0;//setting delay
Application ObjectBasic Concepts:it realizes the sharing of data among users and can store global variables. It starts at the start of the server until the server shuts down, and it is an instance of the ServletContext class. for an entire Web
One view sandbox structureAnd some Baidu blog to show the way to hide stable files, This article also provides two ways, simple rough.Mode one use tool simpholders (recommended)Download linkhttp://simpholders.com/Effect
Mode two using code
Frame layout, rarely used in development, simplest layoutAdd multiple controls that overlap in order in the Upper-left corner of the screen and transparently display the text of the previous controlSyntax format: android:orientation= "vertical"
UseincludeLabel Reuse Layouts
-1.includeThe role of labels
What should I do if my layout is used in many interfaces? Each page is written once, the code is too redundant, and maintenance is more Difficult.
linearlayout
For the installation of Nagios and cacti, refer to the previous article installation, which describes how the two are integrated together.Ndoutils to write Nagios monitoring data to the databaseCacti the data written to the database Ndoutil plugin
The first is usually defined directly in the OnCreate event of the activity component and is directly acting.This way, each control is defined Once. Usually Inconvenient.Button btn = (button) Findviewbyid (r.id.mybutton);Btn. Setonclicklistener (new
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