return int

Delegate Keyword: delegateA delegate is a method that passes as a parameter.Declare a delegate first: two parameters, return bool typeDelegate BOOL MyDelegate (object obj1,object obj2);The method that the delegate corresponds to: Static BOOL

public static int PX2SP (context context, float Pxvalue) {Final float Fontscale = context.getresources (). Getdisplaymetrics (). scaleddensity;return (int) (Pxvalue/fontscale + 0.5f);}public static int sp2px (context context, float Spvalue) {Final

DP (DIP): device independent pixels (unit independent pixels). Different devices have different display effects, this is related to the device hardware, generally we support WVGA, HVGA and QVGA recommend this, do not rely on pixels.Px:pixels (pixels)

Summary:This paper mainly records my hashcode and equals two knowledge points of the learning Process.From the time of students to learn java, know hashcode and equals the two methods, the use of the Equals method is particularly frequent, to say

/*** DP, SP conversion to PX tool class** @author Fxsky 2012.11.12**/public class Displayutil {/*** Convert PX value to dip or DP value to ensure size unchanged** @param pxvalue* @param scale* (attribute density in Displaymetrics Class)*

Implement int sqrt(int x) .Compute and return the square root of X.Has you met this question in a real interview?YesExamplesqrt (3) = 1sqrt (4) = 2sqrt (5) = 2sqrt (10) = 31 classSolution {2 /**3 * @param x:an integer4 * @return: The sqrt of x5

Qsort () should be a fast sort. It seems that data is moved in blocks, which is faster. Prototype:_ Cribd void _ cdecl qsort (void *, size_t, size_t, INT (*) (const void *, const void *)); Explanation: qsort (array name, number of elements,

Dp (dip): device independent pixels (device independent pixel ). different devices have different display effects, which are related to the hardware of the device. We recommend that you use this function to support WVGA, HVGA, and QVGA without

Question: Give a series with an initial value of 1. perform an operation: Give a range, replace all the values in the range with 2 or 3, and obtain the sum of the final values of the series. # Include # Include Struct point{Int X, Y;Int sum;} A [6000

1. Commonly Used units: the relative units are PX, SP, and DP. Absolute unit: PT, In, mm Ii. Unit Application Summary: Generally, relative units are used instead of absolute units. 1. the font size is generally sp. The font in this unit can be

Some time ago, the intern was instructed to develop a prototype of the student management system and found that they did not have a good understanding of the custom controls. So today, I have to explain how to create the paging controls step by step,

1. Implement an algorithm to determine if a string has all unique characters What if you can not use additional data structures? The length of ACSII code of a character is 8, so we can build a array, the length is 260, to represent the hash table of

Original article links: http://blog.csdn.net/u011421608/article/details/30750355 1. Introduction   First, let's talk about the reference. You can remember that the reference is an alias. For example, Mr. Wang has a nickname called puppy. His mother

Preface: A line segment tree is a binary search tree similar to an interval tree. It divides an interval into several unit intervals. Each unit interval corresponds to a leaf node in a line segment tree. For each non-leaf node [a, B] In a line

The content involved in this article is no longer a new thing. For some triangle and all star users, this is just a little trick. I have picked a few tricks and explained them. There is no profound concept. As for the purpose of writing this, there

1. terms and concepts Terms Description Remarks Screen Size) It refers to the actual physical size of the mobile phone, such as the commonly used 2.8 inch, 3.2 inch, 3.5 inch, 3.7 inch. The diagonal line length of the

Public classDimenutil {/**sp converted to PX*/ Public Static intSP2PX (floatspvalue) { floatFontscale =Myapplication.getcontext (). Getresources (). Getdisplaymetrics (). scaleddensity; return(int) (Spvalue * Fontscale + 0.5f); } /**px

DP (DIP): device independent pixels (unit independent pixels). Different devices have different display effects, this is related to the device hardware, generally we support WVGA, HVGA and QVGA recommend this, do not rely on pixels.Px:pixels (pixels)

Introduction to common methods of Android MediaPlayerMethod: Create (context context, URI Uri)Explanation: A static method that creates a multimedia player from a URI.Method: Create (context context, int resid)Explanation: Static method, creating a

DP (DIP): device independent pixels (unit independent pixels). Different devices have different display effects, this is related to the device hardware, generally we support WVGA, HVGA and QVGA recommend this, do not rely on pixels.DP is also a dip,