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JSON (JavaScript Object notation) is a simple data format that is lighter than XML. JSON is the native format of JavaScript, which means that processing JSON data in JavaScript does not require any special APIs or toolkits.The rule of JSON is simple: an object is an unordered set of ' name/value pairs '. An object begins with "{" (opening parenthesis), and "}" (closing parenthesis) ends. Each "name" is followed by a ":" (a colon), and the ' name/value ' pair is separated by a ', ' (comma). Speci

]( [UniKey] int not NULL IDENTITY(1,1), [FirstName] [nvarchar]( -) not NULL, [LastName] [nvarchar]( -) not NULL, [CreditCard] [nvarchar]( -) not NULL, [Mail] [nvarchar]( -) not NULL, [CellPhone] [nvarchar]( -) not NULL, CONSTRAINT [Pk_userinfo] PRIMARY KEY CLUSTERED ( [UniKey] ASC ) with(Pad_index= OFF, Statistics_norecompute= OFF, Ignore_dup_key= OFF, Allow_row_locks= on, Allow_page_locks= on) ) GO INSERT intodbo.

-end effects, as an advanced application technique. Master the Foundation, can soldiers come to block punches AH.OK, here's how to use the CSS3 transform matrix matrix to achieve the mirroring effect.This is a bit difficult, so we look at the demo first, you can click here: Matrix and mirror symmetry effect demoThe angular value of the rotation is entered in the box (used to determine the symmetric axis of the mirror), and then loses focus, rendering the corresponding mirror symmetry effect:You

sake of understanding the effect I add, in fact, the axis is invisible when mirroring symmetry.The point around the axis is the center of the transformation in the CSS3 transform , naturally, mirror symmetry is no exception. Because the axis always passes through the origin, it can be represented by arbitrary axes of symmetry y = k * x . The matrix expression is:Matrix ((1-k*k)/(1+k*k), 2k/(1 + k*k), 2k/(1

{2k+\frac{1}{4}},\quad b_k=f^{-1}\sex{2k+\frac{3}{4}, \eex$$ have $$ \bex A_k\leq X\leq B_k\ra 2k+\frac{1}{4}\leq f (x) =x+\frac{1}{x}\leq 2k+\frac{3}{4} \ra \sin^2\sez{\pi\sex{x+\frac{1}{x }}}\geq \frac{1}{2}, \eex$$ $$\beex \bea \int_{a_k}^{b_k}\sin^2\sez{\pi\sex{x+\frac{1}{x}}}\rd x \geq \frac{1}{2} (B_k-a_k) \ =\fr

, so we look at the demo first, you can click here: Matrix and mirror symmetry effect demoThe angular value of the rotation is entered in the box (used to determine the symmetric axis of the mirror), and then loses focus, rendering the corresponding mirror symmetry effect:You can experience matrix the effect of a mirrored gradient on a browser such as Firefox or Chrome.One of the axes in the demo page is for the sake of understanding the effect I add, in fact, the axis is invisible when mirrorin

simplicity's sake, we'll refer to the two-fork heap as a heap below. In a heap, the parent node of the node of position K is └k/2┘, while its two sub-nodes are positioned at 2k and 2k+1 respectively. This allows us to move up and down the tree by calculating the index of the array without the use of pointers: from a[k] up one layer to K equals K/2, and the next layer makes K equal to

Glory Note8 Reference Price: 2299 RMB Screen Size: 6.6 inches Recommended reasons: 6.6-inch 2K resolution giant screen, flagship performance, fast charging long endurance Glory Note8 is the new model that Huawei launched in early August, positioning giant screen flagship. Appearance, Glory Note8 adopted a more common three-piece metal fuselage design, with gold, silver, gray three kinds of body color, The f

Assuming that the system can use 2 m characters in memory space (from 0 to 2 m addresses), the entire memory zone is an idle block with a size of 2 m at the start of operation, after running for a period of time, it is divided into several occupied blocks and idle blocks. To facilitate searching during allocation, we create all idle blocks of the same size in a subtable. Each sub-table is a double linked list. Such a linked list may contain m + 1, which organizes the m + 1 header pointer into a

= math. (deg * math. PI /180); x 'Y' = X*tan (θy) +y+0 = X*tan (θy) +yCorresponds to skew(θx + "deg"，θy+ "deg") this notationrotation : a b C D 4 values CSS3 units radians angleMatrix (cosθ,sinθ,-sinθ,cosθ,0,0)cosval = math. cos (deg * math. PI /180) sinval = math. Sin (deg * math. pi /180 x ' = x*cosθ-y*sinθ+0 = x*cosθ-y*sinθY' = x*sinθ+y*cosθ+0 = x*sinθ+y*cosθAngleCos=math.cos (* math.pi/180);Inverse trigonometric functionrotate(θdeg)This form of writing is matrix much simpler,

First explain the various operating systems to boot to the DOS path: Win9x system: After the boot press F8, select the 5th entry, you can enter the system with the basic dos7.x environment. 2K/XP/2003: The system does not come with DOS, it needs a DOS boot disk or a virtual floppy drive to get the DOS environment. This article introduces 4 kinds of DOS boot disk production methods, 4 kinds of Startup disk common Basic program file description as fol

is (2k+64) byte (this we introduced in the NAND flash transplant article, there are other forms of NAND flash, such as each page size (256+8) (512+16)) where 2k bytes is the area where the data is stored. 16 bytes is the main store of bad block mark in the Oob area, the front 2k byte ECC check code. Cramfs, JFFS2 file system mapping a file does not have OOB cont

divide and conquer method--board cover problem Board coverage issues. There is a 2k∗2k 2^k*2^k checkered chessboard, just one square is black, the other is white. Your task is to cover all white squares with an L-shaped card containing 3 squares. Black squares cannot be overwritten, and any white squares cannot be overwritten by two or more cards at the same time. As shown in the figure is the L-type card

to start and display the blue screen information, or the blue screen appears again in the same operation).Second, the blue screen treatment methodWindows 2K/XP blue screen information is very much, can not be fully explained in an article, but they tend to focus on incompatible hardware and drivers, problematic software, viruses, etc., so first provide you with some general solutions, in the case of blue screen errors, should be excluded from these s

Turn from:http://blog.csdn.net/mindfloating/article/details/8622930performance evaluation and analysis of Netty and Mina in the popular NIO FrameworkTest method Using Mina and Netty to implement a echoserver based on NIO to test the performance of network packets of different sizesTest environment Client-server: model Name:intel (R) Core (TM) i5-2320 CPU @ 3.00ghz cache size:6144 kb cpu cores:4jdk: 1.6.0_30-b12network:1000mb memory:-xms256m-xmx256m Linux:centos 5.7, Kernel 2.6.18-274

Given a permutation B of 26 uppercase letters, is there A2 = bEach permutation can be considered a product of several loops. We can think of these loops as a necklace of UVA 10294, and the number in the loop is equivalent to the beads in the necklace.A2 is the equivalent of rotating the necklace between two beads of distance, beads 0, 2, 4 ... form a loop with a total of GCD (n, 2) loops with a length of N/GCD (n, 2) for Each loopSo when the length of a loop is odd, the square is still the origi

2.3-1:3 9 26 38 41 49 52 593 26 41 52 9 38 49 573 41 52 26 38 57 9 493 41 52 26 38 57 9 492.3-2: (merge Sort)voidMergeSort (intA[],intLintR) { intm; if(L r) {m= (L + r)/2; MergeSort (A, L, M); MergeSort (A, M+1, R); Merge (A, L, R, M); }}voidMergeintA[],intLintRintp) { intI, j, K; intN1 = P-l +1; intN2 = R-p; intlarray[n1], rarray[n2]; for(i=0; ii]; //for (i=0; i for(j=0; j1]; //for (j=0; ji =0; J=0; for(k=l; k) { if(I Rarray[j])) {A[k]=Larray[i]; ++i; } El

, interface support DVI-D,HDMI (MHL) x2 (www.pc841.com Pepsi Network), Displayport, support HDCP, extended interface is very rich, the specification is still very high. 　　Editorial Reviews: This AOC lv273hip display with a 27-inch FRC 8bit ah-ips display panel enables users to view 16.7 million real-world natural colors from any angle, DC backlight technology protects the eye from the splash screen, and protects the eyes of the user. In addition, Rich high-definition video interfac

point 1-6. Dijkstra algorithm, Time complexity O (N2)-O (N * Log N), can pass test point 1-10. SPFA algorithm, Time complexity O (N * M)-O (M), can pass test point 1-10. "Test point 1-14" K = 1 o'clock, we can in the shortest path algorithm based on a more than 0/1, indicating whether the key is collected, obviously, if two times to go to the same room, and no more keys, it is meaningless, so the use of shortest-circuit algorithm can be. "Test point 1-18" The above approach inspires us to repre

salary range, so the salary is classified into these kinds: 2k, 2k-5k, 5k-10k, 10k-15k, 15k-25k, 25k-50k, 50k or more.If the salary is 10k-20k, it is considered to be included in both categories of 10k-15k and 15k-25k. Use regular expressions for the collation summary:def salary_categorize (Salarys):Dict = {' 2k or less ': 0, '