Brief tutorials
This is a single-page toggle navigation Menu Interface Design effect made with pure CSS3. In this page effect, a set of navigation buttons is released vertically on the left side of the page, and when you click the navigation button, the corresponding page slides from the right side of the screen, which is very cool.
How to use
HTML structure
The HTML structure of the single-page toggle navigation menu interface is as follows:
CSS Styles
The single-page toggle navigation menu i
This analysis is the NetEase music APISong Search api:http://music.163.com/api/search/get/web?csrf_token=Need to use post to getParameters:referer=http://music.163.com/search/Hlposttag=Hlpretag=Limit= returns the number of resultsoffset= (Current page-1) * Number of results returneds= need to search for songs or singerstotal= If the first page is true otherwise flaseType=1return results{"Result": {"Songcount": $, "songs": [{"id": 186001, "name ":" Qi Li Xiang "," artists ": [{" id ": 6452," name
assignment is equal to copying all the values to the P2 stack space P2. Name = "Guan Yu"; Then modify the value of the P2 to see if it affects P1 Console.WriteLine (P1. Name); The output of Zhang Fei did not affect personclass p3 = new Personclass (); P3. Name = "Zhang Fei"; P3. Mobilephone = "13553663108"; P3. Birthday = DateTime.Now.AddYears (-10); Personclass P4 = new Personclass (
the function, so here "Abc\0" is not a constant, so it should be placed on the stack. is a constant condition:when assigning "abc" to a character pointer variable, such aschar* ptr = "abc";because the definition is a normal character pointer, and there is no space defined to hold "ABC", so the compiler has to help usfind a place to put "ABC", Obviously, the "ABC" here as a constant and put it in the program's constant area is the compiler The most suitable choice. Related articles Link:http://b
only be recycled if the memory is very small. As can be seen from the above example: ? ? Strong citation "SoftReference >weakreference.The following is the use of the Phatomrefernece class, which is the most different from the other two references is to add the reference to the reference queue, and then reclaim the object in the head, so we can in the reference queue to monitor the GC is about to be recycled objects.Publicclassphatomrefclient{publicstaticvoidmain ( String[]args) {Personp=new Pe
is equal to copying all the values to the P2 stack space P2. Name = "Guan Yu"; Then modify the value of the P2 to see if it affects P1 Console.WriteLine (P1. Name); The output of Zhang Fei did not affect personclass p3 = new Personclass (); P3. Name = "Zhang Fei"; P3. Mobilephone = "13553663108"; P3. Birthday = DateTime.Now.AddYears (-10); Personclass P4 = new Personclass ();
language to modify a variable to indicate that the variable is a constant. (A const keyword can only modify one variable)(2) There are 4 types of const modifier pointers:the const int *p1;//p itself is not cosnt, and the variable p points to is const (*P1 immutable)The int const *p2;//p itself is not cosnt, and the variable p points to is const (*P2 immutable)The int * Const P3;//p itself is cosnt, and the variable p refers to is not const (P3 cannot be changed)the const int * Const
A1, point A2) the { * returnDCMP (Det (A1-p, a2-p)) = =0 dcmp (Dot (A1-p, a2-p)) 0; $ }Panax Notoginseng struct Line - { the Point s,e; + Line () {} A Line (point S1, Point E1): S (S1), E (E1) {} the }; + BOOLSegcross (Point A1, Point A2, point B1, point B2) - { $ DoubleC1 = Det (A2-A1, B1-A1); $ DoubleC2 = Det (a2-a1, B2-A1); - DoubleC3 = Det (B2-B1, A1-B1); - DoubleC4 = Det (b2-b1, A2-B1); the if(DCMP (C1) * DCMP (C2) 0 dcmp (C3) * DCMP (C4) 0)return 1; - Else retu
, the composition of the code is: the data bits inserted between the K check digit, by expanding the distance to the time to check and error correction. For example: for 8-bit data, 4 check bits are required for verification. For example, make data bits: D7, D6, D5, D4, D3, D2, D1, D0, and check bit: P4, P3, P2, P1. Then encode the location:H12 H11 H10 H9 H8 H7 H6 H5 H4 H3 H2 H1D7 D6 D5 D4 P4 D3 D2 D1 P3 D0
partitions.
PS. the table to be partitioned cannot have columns of the long and long raw data types.
4.1. Range partitioningDetermines the partition in which the data is stored based on the value range of a column or a group of columns in the table.For example, the sales_cost column value of the sales table is partitioned.
Create Table sales(...)Parttion by range (sales_cost)(Parttion P1 values less than (1000 ),Parttion P2 values less than (2000 ),Parttion P3 values less than (3000
CMP (point a, point B ){ Return (A. x Inline Double Cross (point a, point B, point C ){ Return (B. x-a.x) * (C. y-a.y)-(B. y-a.y) * (C. x-a.x );} Bool Chonghe (point a, point B, point C, point D ){ Return ! SGN (Cross (a, B, c ))! SGN (Cross (A, B, D ));} // Determines whether a line is collocated, that is, a line is collocated with a line. Bool Inter (point a, point B, point C, point D ){ Return SGN (Cross (a, B, c) * SGN (Cross (a, B, d) 0 ;} // Determine whether the line A and B inters
{ returnX_multi (Seg.s, SEG.E, p) EPS;}BOOLInside (segment seg, point P)//determine if the point is inside the line, strictly inside, not including the boundary{ returnX_multi (Seg.s, SEG.E, p) >EPS;} Point Get_intersection (Point P1, point P2, point P3, point P4)//get the intersection of P1P2 and p3p4 of two straight lines{ DoubleA1, B1, C1, A2, B2, C2; Point TMP; A1= (P2.Y-p1.y); B1= (p1.x-p2.x); C1= (p2.x * p1.y-p1.x *p2.y); A2= (
@ Param p1Is the startpoint for the first line P1 = (p1-p2)@ Param p2Is the endpoint for the first line P1 = (p1-p2)@ Param p3Is the startpoint for the second line P2 = (p3-p4)@ Param p4Is the endpoint for the second line P2 = (p3-p4)@ Param sIs the range for a hitpoint in P1 (pa = p1 + s * (p2-p1 ))@ Param tIs the range for a hitpoint in P3 (pa = p2 + t * (p4-p3
frequency of the front-end bus is higher than that of the outer frequency, so the QDR (quad
Date rate) technology (4 times of concurrency), or other similar technical implementation. The principles of these technologies are similar to the 2x or 4x of AGP. They make the front-end bus frequency twice, 4x, or even higher than the outer frequency, since then, the difference between the front-end bus and the external frequency has been paid attention. When the external frequency is still 133 MHz, th
are called, you will receive the bye message:Bye SIP: callee@u2.domain.com Sip/2.0
Routing Example 2:If the preceding example focuses on the routing process, this example focuses on the difference between strict routing and loose routing.
Scenario:U1-> P1-> P2-> P3-> P4-> u2Among them, P3 is strictly routed, and other proxies are loose routed, and the four proxies are happy to add record-route header fields.
Message stream:We directly provided the in
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