英文check.是啥意思
检查通常是检查或检查的含义。但是,这通常出现在歌词中,尤其是在RAP中。这里的检查可能是聆听它的含义,这类似于提醒我要开始唱歌的所有人。您必须注意听力。
常用的c语言编程软件有哪些
Microsoft
Visual
C++
、Microsoft
Visual
Studio、
DEV
C++、Code::Blocks、Borland
C++、WaTCom
C++、Borland
C++
Builder、GNU
DJGPP
C++、Lccwin32
C
Compiler3.1、High
C、Turb
C、gcc、C-Free和Win-TC、My
Tc等等,太多了,由于C语言比较成熟,所以编程环境很多。初学者推荐用DEV
C++、C-Free或者Code::Blocks,因为它们功能都比较强大,又免费,同时安装包也不大。
HTML+CSS静态页面实例,新手做练习用,请问哪位有呢
《!DOCTYPE html》
《html》
《head lang=“en“》
《meta content=“width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0“
name=“viewport“/》
《meta charset=“UTF-8“》
《title》《/title》
《style type=“text/css“》
html, body {
margin: 0;
padding: 0;
width: 100%;
height: 100%;
}
《/style》
《script type=“text/javascript“》
var R = 26, CW = 400, CH = 320, OffsetX = 30, OffsetY = 30;
function CaculateNinePointLotion(diffX, diffY) {
var Re = ;
for (var row = 0; row 《 3; row++) {
for (var col = 0; col 《 3; col++) {
var Point = {
X: (OffsetX + col * diffX + ( col * 2 + 1) * R),
Y: (OffsetY + row * diffY + (row * 2 + 1) * R)
};
Re.push(Point);
}
}
return Re;
}
var PointLocationArr = ;
window.onload = function () {
var c = document.getElementById(“myCanvas“);
CW = document.body.offsetWidth;
c.width = CW;
c.height = CH;
var cxt = c.getContext(“2d“);
//两个圆之间的外距离 就是说两个圆心的距离去除两个半径
var X = (CW - 2 * OffsetX - R * 2 * 3) / 2;
var Y = (CH - 2 * OffsetY - R * 2 * 3) / 2;
PointLocationArr = CaculateNinePointLotion(X, Y);
InitEvent(c, cxt);
//CW=2*offsetX+R*2*3+2*X
Draw(cxt, PointLocationArr, ,null);
}
function Draw(cxt, _PointLocationArr, _LinePointArr,touchPoint) {
if (_LinePointArr.length 》 0) {
cxt.beginPath();
for (var i = 0; i 《 _LinePointArr.length; i++) {
var pointIndex = _LinePointArr;
cxt.lineTo(_PointLocationArr.Y);
}
cxt.lineWidth = 10;
cxt.strokeStyle = “#627eed“;
cxt.stroke();
cxt.closePath();
if(touchPoint!=null)
{
var lastPointIndex=_LinePointArr;
var lastPoint=_PointLocationArr;
cxt.beginPath();
cxt.moveTo(lastPoint.X,lastPoint.Y);
cxt.lineTo(touchPoint.X,touchPoint.Y);
cxt.stroke();
cxt.closePath();
}
}
for (var i = 0; i 《 _PointLocationArr.length; i++) {
var Point = _PointLocationArr;
cxt.fillStyle = “#627eed“;
cxt.beginPath();
cxt.arc(Point.X, Point.Y, R, 0, Math.PI * 2, true);
cxt.closePath();
cxt.fill();
cxt.fillStyle = “#ffffff“;
cxt.beginPath();
cxt.arc(Point.X, Point.Y, R - 3, 0, Math.PI * 2, true);
cxt.closePath();
cxt.fill();
if(_LinePointArr.indexOf(i)》=0)
{
cxt.fillStyle = “#627eed“;
cxt.beginPath();
cxt.arc(Point.X, Point.Y, R -16, 0, Math.PI * 2, true);
cxt.closePath();
cxt.fill();
}
}
}
function IsPointSelect(touches,LinePoint)
{
for (var i = 0; i 《 PointLocationArr.length; i++) {
var currentPoint = PointLocationArr;
var xdiff = Math.abs(currentPoint.X - touches.pageX);
var ydiff = Math.abs(currentPoint.Y - touches.pageY);
var dir = Math.pow((xdiff * xdiff + ydiff * ydiff), 0.5);
if (dir 《 R ) {
if(LinePoint.indexOf(i) 《 0){ LinePoint.push(i);}
break;
}
}
}
function InitEvent(canvasContainer, cxt) {
var LinePoint = ;
canvasContainer.addEventListener(“touchstart“, function (e) {
IsPointSelect(e.touches,LinePoint);
}, false);
canvasContainer.addEventListener(“touchmove“, function (e) {
e.preventDefault();
var touches = e.touches;
IsPointSelect(touches,LinePoint);
cxt.clearRect(0,0,CW,CH);
Draw(cxt,PointLocationArr,LinePoint,{X:touches.pageX,Y:touches.pageY});
}, false);
canvasContainer.addEventListener(“touchend“, function (e) {
cxt.clearRect(0,0,CW,CH);
Draw(cxt,PointLocationArr,LinePoint,null);
alert(“密码结果是:“+LinePoint.join(“-》“));
LinePoint=;
}, false);
}
《/script》
《/head》
《body》
《canvas id=“myCanvas“》《/canvas》
《/body》
《/html》-he