es protected class mean

# # 1. Search algorithm overall architecture in the previous article (engineering article), we introduced the basic framework of the likes search engine. Search engine mainly consists of 3 components. First, the Hadoop cluster, used to generate

In the operating system learning notes, basically completed the "self-write operating system," the third chapter of several experiments (in addition to the paging mechanism experiment). The next step is to write your own operating system this long

Brief introductionAn enum, called enumeration, is a new feature introduced in JDK 1.5 and is housed in a Java.lang package.Creating an enumeration type to use the enum keyword implies that the type created is a subclass of the Java.lang.Enum class

Have time to re-typesetting later.The back is getting messy. Do not have time to sort out the trouble to open the link to try it.This is what I have prepared for my classmates, but also the resources I have collected since the introduction to Python

Since Android 2.1 has been added to the dynamic wallpaper, a lot of cow fork ah, beautiful wallpaper endless, looks like the old-fashioned Android phone can finally dazzle a bit. Dynamic Wallpaper Basics Production methods, online too much,

Now Intel has become synonymous with CPUs, but Intel did not now. From the 8,086-2013-year-old i7, released in 1978, for 35 years, she witnessed a number of changes from PC to internet and mobile Internet, many of which have changed over the years.

Reference: http://www.cnblogs.com/duchengdong/archive/2012/03/30/2425300.html 1, main() { int a[5]={1,2,3,4,5}; int *ptr=(int *)(&a+1); printf("%d,%d",*(a+1),*(ptr-1)); } Answer: 2, 5 Analysis: * (a + 1) is a [1], which is 2; & a + 1

1. Life cycleScenario Demo: Switch to the fragment11-29 14:26:35.095:d/applistfragment (7649): Onattach11-29 14:26:35.095:d/applistfragment (7649): onCreate11-29 14:26:35.095:d/applistfragment (7649): Oncreateview11-29 14:26:35.100:d/applistfragment

The basis of learning a language, that is, the grammar itself, does not mean that you have mastered the language. Learning a language should be learning the complete ecological environment it represents and the most appropriate combination for each

2. lifecycle of the activity during horizontal and vertical screen Switching1. When the Android: configchanges of the activity is not set, the split screen will call the lifecycle of each activity again. The split screen will be executed once, and