scratch 1 4

(point mappoint) So far, the game has achieved the expected results at the beginning of the article. In fact, there are still many ways to optimize on this basis, and there are many things I can think: 1) maintain the order in which the list is enabled during a * search algorithm so that it does not need to be sorted every time it is found. 2) When a small map is added later, when a player clicks a position on a small map, a large grid can be used

Learning jQuery from scratch (4) using jQuery to operate on attributes and styles of elements, from scratch jqueryNavigation of this series of articles Learning jQuery from scratch (4) using jQuery to operate on attributes and styles of Elements I. Summary This article expl

Learning html from scratch (1) and learning html from scratch I. Create my first webpage for the initial code experience 1 Initial code experience In the code, enterHello WorldString. Note:Hello WorldThe text must be writtenBetween two labels. For example: Ii. Relationship between Html and CSS

Use vue-cli to build a simple music website from scratch (1). Use vue-cli from scratch After learning about the vue framework and practicing some examples, I want to build a vue project. I learned that a vue-cli tool is provided officially to build the project scaffold. I tried it, write down the blog to record it. I. tool environment

[Show you how to develop a novel reader station from scratch] Chapter 1: function introduction, function introduction from scratch First, the purpose of this reading site is to learn. I have been writing business code in java for more than two years. So there is always an impulse to build a complete framework, but I have never been (lazy) There are (cancer) (symp

is logically equivalent to a + = 1 ;. Same as above, in computer programming, adding one and subtracting one are often used. Therefore, the CPU provides two commands specifically for adding one and subtracting one (converted to an assembly language INC and DEC ), however, the speed is much faster than simply using addition or subtraction commands. Therefore, C ++ provides the "++" and "-" operators to correspond to INC and Dec. Therefore, the logic o

$arr= [1, 2,-4, 4, 10,-23, 4,-5, 1]; $max _sum= 0; $sum=0; $new= []; $i= 1; Echo' ; foreach($arr as $key=$value ){ if($sum){ unset($new[$i]); $i++; $sum=$value; }Else{ $sum+=$value; } $new[$i][] =$valu

naturally reduce the encoding time by more than 50% (in fact, this is true when the T4 template or related code generation tools are used ). Not only can function development be completed very quickly, but secondary development is also very convenient (apart from the first framework I wrote a few years ago, haha ......), of course, the performance is also good. Directory: Write your own ORM framework from scratch (

are listed below. The title of a red post indicates the key point I think.C ++ starts from scratch (1) -- What is programming (indicating the true meaning of programming and two basic concepts that are easy to ignore)C ++ starts from scratch (2) -- what is an expression (indicating the usefulness of each operator, but not all. The rest will be mentioned in other

are listed below. The title of a red post indicates the key point I think.C ++ starts from scratch (1) -- What is programming (indicating the true meaning of programming and two basic concepts that are easy to ignore)C ++ starts from scratch (2) -- what is an expression (indicating the usefulness of each operator, but not all. The rest will be mentioned in other

()return value:① Array, the member of the array is the id attribute of the selected row (not rowindex);② For example, create an ordinary GridX table with a checkbox (see 38 for a specific creation method);③html Code (click a button to get the button in the selected line number)④dojo code (dependent on jquery):$ ("#test2"). Click (function () {alert (grid.select.row.getSelected () [1]);});⑤ effect: After checking some boxes, click "Test 2" button, pop

, b); Returns a smaller number.Math.Abs (num); Returns the absolute value.Math.ceil (3.6); Rounding up. 4Math.floor (3.6); Rounding down. 3Math.pow (x, y); The Y-side of X.MATH.SQRT (num); Open Square. 4: Trigonometric Functions ReviewMath.sin (x); The sine of x, the return value is between 1 and 1.Math.Cos (x); The cosine of X, and the return value is between

conditional expression has three operands, all of which are expressions that can say various types of expressions. Typically, expression 1 is a relational expression or a logical expression used to describe the condition in an expression, depending on whether the condition is true or false to determine whether to perform an operation of expression 2 or an expression 3. Expression 2 and expression 3 can be said to be constant. variables or expressi

Learn YII2 framework (IV) extension plug-in yii2-kartikgii, yii2yii2-kartikgii from scratch. From scratch to learn YII2 framework (4) extension plug-in yii2-kartikgii today found a useful plug-in yii2yii2-kartikgii. It is an extension based on the series of plug-ins kartik-v. Plug-in learning YII2 framework from scratch