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widget is set to qwidget: wheelfocus and mouse tracking will be manipulated while the picker is active, or if trackermode () is Alwayon. Code Analysis: 1. constructor: /*! Constructor Creates an picker that is enabled, but without a state machine. rubberband and tracker are disabled. \param parent Parent widget, that will be observed */QwtPicker::QwtPicker( QWidget *parent ): QObject( parent )

This article mainly analyzes the assembly code CPU/PXA/start. s related to the U-boot startup process. The target platform uses PXA270 as an example. The first command that the system starts to execute /* Armboot-startup code for XScale */. Globl _ start_ Start: B reset/* jump to reset label execution */ Set CPU to superviser Mode Reset:Mrs r0, CPSR/* read CPSR register status */Bic r0, R0, # 0x1

Rss. jsCopy codeThe Code is as follows:// Control IDFunction getId (objId ){Return document. getElementById (objId)}// Link corresponding array, please indicate Reprinted from http://www.cnrui.cn/blogFunction urlArrary (urlName ){Switch (urlName ){Case "clear ":Return "http://www.cnrui.cn/blog/feed.asp"Case "a-fei ":Return "http://www.a-fei.net/blog/rss.xml"Case "ryanxia ":Return "http://www.ryanxia.com/blog/feedrss2.asp"Case "awflasher ":Return "http

Tags: use different problem object Methods Solution Search note Encoding I. Naming rules1. We can see why it exists, what it does, and how to use it by name.2. avoid misleading, avoid using words that are contrary to the intention, and avoid using small names with differences3. Remove unnecessary nonsense such as A and. Ambiguity is prone to lack of clear conventions4. Use the read-out and searchable names,Ii. Avoid Coding1. Add the variable type to the variable name2. Member prefixIii. Others1