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The Yarn Back of the sacred animal and Animal Surface decoration carved in the Tomb No. 16 of the anti-Mountain Gu Yu tasting 34 Jiang Weidong He graduated from the department of Archaeology from Peking University in 1989. He is now the president of Liangzhu Museum of Zhejiang Province, a researcher, and an expert member of the Chinese yu cultural center. He has been engaged in archaeological exploration and research on prehistoric cultural sites in northern Zhejiang for a long time, strong af

1, Transform: for 2D or 3D conversion elementsTransform-origin: The location point of the elementCSS3 conversion (2D conversion and 3D conversion): Elements can be moved, scaled, rotated, stretched, or stretched.Translate (), rotate (), scale (), skew (), Matirx ()Position change, rotation, magnification, twist, matrixExample:Transform-origin:center 40px; The origin of the change;Transition:transform. 7s ease;Img:first-child{transform:roate (5DEG)};Img:last-child{transform:roate ( -5deg);}: Hove

Reference article: https://segmentfault.com/a/1190000012925872 The article is comparatively long, the evil supplements the normal work will neglect the principle knowledge. Now will feel more important points to comb down, strengthen the memory: What process does the browser have? Once you know that the browser is a multiple process, look at what processes it contains: (To simplify the understanding, just enumerate the main processes) Browser process:

float and clear floating in CSS, comb it!The first one is to sort out some of the most common floats in CSS and how to clear floats.What is floating in the end?Floating core is a word: floating elements move out of the document stream and float left/right until a parent element or another floating element is encountered . Please meditate 3 times!The purpose of the initial design of the float is not so much, just to achieve the text wrapping effect, as

Comb sort (cpp_comb_sort.cc)========================================================== ==========================================================Best time complexity O (?)Average time complexity O (?)Worst time complexity O (?)Space complexity O (1)Stability or not Comb sort and shell sort have the same idea, but they use Bubble sorting with variable step sizes.Most of the features of

[DOM Event Learning] section 2 concept comb what is event DOM eventsEventsevent is used to inform the code that something interesting has happened.each event is represented by an event object, which may have some custom fields or methods to get more information about what's going on.the event object implements the event interface (https://developer.mozilla.org/en-US/docs/Web/API/Event).events can be anything from the most basic user interaction to som

One company has three sales interviews, and the interview has managed the subject, It is required that the three candidates should be hired if they are selling combs to the monk and who sells more combs. First, say to the monk, many of the benefits of Combs ......, before he finished speaking, the monk ran away for more than half. Later, an old monk bought a comb out of his face. Second, he said to the monk that every day many people come to the te

"). Unwrap (); Person.id=1; Person. Name="Test"; Person. Age= in; Console.WriteLine (string. Format ("{0} ' age is {1}", person. Name,person. Age)); Console.read (); }Results:Model.dllnamespacemodel{ Public classPerson { Public intID {Get;Set; } Public stringName {Get;Set; } Public intAge {Get;Set; } }}At this point you should know what the application domain is, then is it over? Of course not! You should also know a finer-grained one . NET context . Here we have a

()boolean--(True for 1,false is 0);null--0;Undefined--nan;string--(Contains only numbers: decimal, if 0 is ignored beforeContains valid floating-point format: Floating-point value, leading 0 is ignoredContains a valid 16 binary: decimal number of the same sizeEmpty string: 0Other formats: NaN）object--(ValueOf (), toString ())6.ObjectDefinition: A set of data or functionsDisclaimer: Var o=new Object ()Properties and methods:1.Constructor Save the function used to create the current object2.hasOwn

1, timing logic. Modify the last practice to how the timing logic will be designed.2,block and unblockingA, nonblocking is usually used in always with clock.B, blocking is usually used in a clock-free always.The blocking used in C,assignD, in the same block, blocking and nonblocking do not coexist.3, Behavioral modelingA,if-else and Case latches.B, cyclic forever,repeat,while,for,generate4, commonly used IP. Fifo,ram,rom. (Schematic design and code design)5, precompiled, System tasks and functio

address is a; but really should be int *p;int p=a; But here, a represents the first address of a[5]for (;p printf ("%d", *p);}Want to input plus outputI don't know what's wrong, woo-hoo.I came back and changed the wrong way.Note that the current value of the pointer variable precedes the previous one that has been added to the a+5Change the following, this is correctLooks like I just saw this kind of.Typical errorA is a constant cannot be ++;p a variableImprovedP++;*p = = *p++ ==* (p++) ==a[i++

Classic sorting algorithm-comb sort The sorting method is based on the Bubble sorting. Different from the Bubble sorting method, the sorting method compares and exchanges the number at a fixed distance, similar to that of Hill. The fixed distance is the approximate value obtained by dividing the length of the array by 1.3. The next time the approximate value obtained is divided by 1.3, It is decreased by 1 until the distance is as small as 3. Not v

performs the following steps: The object lock is obtained (the lock of the normal method is the this object, and the static method is the class object of the classes) and locks it (lock). Copies the required data from the main memory to its own working memory (read and load). Read or modify the corresponding variable value (use and assign) according to the program flow. Copy the variable that modifies the value in your working memory back to main memory (store and write).

Python Learning1. Python Learning---python installation and basic 12052. Python Learning---The use of pycharm3. Python Learning---python data type 12064. Python Learning---range/for/break/continue simple to use5. Python Learning---list/tuple/dictionary/string/set Collection/Depth copy 1207 "all"6. python Learning to learn---file operations 12087. Python Learning---function learning 1209[all]8. Learn "All" in Python learning---key modules9. Python Learning---Object-oriented learning [basics]Pytho

Type JavaScript has seven built-in types: null, Undefined, Boolean, number, String, object, and symbol, and you can use the TypeOf operator to view typeof returns all strings. Many developers confuse undefined and undeclared, but they are different in JavaScript. Undefined is one of the values. Undeclared indicates that the variable has not been declared. Value The string reverses the var a = "foo" var C = a Convert the value of a to a c

C language is a popular language, incorporating the control characteristics of computer science theory and practice. The advantages are high efficiency, portability, strong and flexible, for programmers.1) program structure is three kinds:Sequential structureSelect structure (branch structure)Loop structure.2) Read the program from the main () entrance, and then read from the top of the sequence (the loop to do the loop, hit the choice to do the choice), there is only one main function.3) The co

to reduce the monotony of the fixed background, so that the site to maintain vitality. Wall ' s Ice Cream airpure car fresheners In stark contrast to the previous case, the Web page named Wall's Ice Cream airpure car fresheners was designed with a gorgeous design, with brightly colored, colorful ice cream designed to navigate and you'll see interesting animations as the page scrolls down. Note the color change of the bottom progress bar and the fixed navigation design. Beatrate