startx命令用来启动X-Window,它负责调用X-Window系统的初始化程序xinit。以完成 X-Window运行所必要的初始化工作,并启动X-Window系统。 语法格式:startx [参数] 常用参数: -d 指定在启动过程中传递给客户机的X服务器的显示名称 -m 当未找到启动脚本时,启动窗口管理器 -r 当未找到启动脚本时,装入资源文件 -w 强制启动 - x 使用startup脚本启动X-windows会话 参考实例 已默认方式启动X-windows系统: [root@linuxcool ~]# startx 以16位颜色深度启动X-windows系统 : [root@linuxcool ~]# startx -- -depth 16 强制启动 X-windows系统: [root@linuxcool ~]# startx -w
cxt.lineTo(startX + Point1.x, startY - Point1.y); cxt.moveTo(startX + Point_1.x, startY - Point _1.y); cxt.lineTo(startX + Point_2.x, startY - Point_2.y); cxt.lineTo(startX + Point_ .y); cxt.lineTo(startX + Point_1.x, startY - Point_1.y); cxt.moveTo(startX + Point3.x cxt.lineTo(startX + Point[2].x, startY - Point[2].y); cxt.lineTo(startX + Point[3].x, startY cxt.lineTo(startX + Point[6].x, startY - Point[6].y); cxt.lineTo(startX + Point[7].x, startY
, startY - 1)-(startX + 20, startY + 1), vbBlack, BF Line (startX - 3, startY + 1)-(startX + 23, startY - 3, startY + 15)-(startX + 10, startY + 19), vbBlack, BF '嘴巴 Line (startX - 3, startY + 19)-(startX , BF Line (startX - 9, startY + 23)-(startX + 10, startY + 24), vbBlack, BF Line (startX - 11, startY (startX - 14, startY + 26)-(startX + 10, startY + 28), vbBlack, BF Line (startX - 20, startY + 29)-(startX (startX - 14, startY + 26)-(startX + 10, startY + 28), vbBlack, BF Line (startX - 20, startY + 29)-(startX
cxt.lineTo(startX + Point1.x, startY - Point1.y); cxt.moveTo(startX + Point_1.x, startY - Point _1.y); cxt.lineTo(startX + Point_2.x, startY - Point_2.y); cxt.lineTo(startX + Point_ .y); cxt.lineTo(startX + Point_1.x, startY - Point_1.y); cxt.moveTo(startX + Point3.x cxt.lineTo(startX + Point[2].x, startY - Point[2].y); cxt.lineTo(startX + Point[3].x, startY cxt.lineTo(startX + Point[6].x, startY - Point[6].y); cxt.lineTo(startX + Point[7].x, startY
,y=starty; for(i=0;i<16;i++) /* draw picture of shape */ { if(x-startx==80) { x=startx; y=y+20; } if( ,int starty,unsigned int shapebox,int direction){ int i=0,x=startx,y=starty,tempx=startx,tempy=starty -20,starty,xofshape,LEFT)) { cleanshape(startx,starty,xofshape); startx=startx-20; drawshape +20,starty,xofshape,RIGHT)) { cleanshape(startx,starty,xofshape); startx=startx+20; drawshape (startx,starty+20,xofshape,DOWN) ) { drawshape(startx,starty,xofshape,0); cleanshape(startx,starty
在矩阵中用左上角的坐标(startX, startY)和右下角的坐标(endX, endY)就可以表示一个子矩阵,比如例子中的矩阵,当(startX, startY)=(0, 0)时、(endX, endY , startY加1, 即(startX, startY) = (1, 1), 再把endX, endY减1,即(endX, endY) = (2, 2),此时表示子矩阵如下 6 7 10 11 将这个子矩阵转圈打印出来,接着把startX, startY加1, 即(startX, startY) = (2, 2), 再把endX, endY减1,即(endX, endY) = = endY) { list.add(matrix[startX][curY++]); } while (curX ! = startX) { list.add(matrix[curX--][startY]); } } } }
//移动端 $(".demo").on("touchstart", function(e) { e.preventDefault(); startX = e.originalEvent.changedTouches e.originalEvent.changedTouches[0].pageX, moveEndY = e.originalEvent.changedTouches[0].pageY, X = moveEndX - startX right -> left"); } }); //pc端 $(".demo").mousedown(function(e){ e.preventDefault(); startX e.preventDefault(); moveEndX=e.pageX; moveEndY=e.pageY; X=moveEndX-startX
= (m_startX -1)<0 ? m_startX : m_startX-1; } if(event->key() == Qt::Key_Right) { m_startX m_startX :m_startX+1 ; } if(event->key() == Qt::Key_Up) { m_startY () == Qt::Key_Left) { m_startX = (m_startX -m_step)<0 ? m_startX : m_startX-m_step; } if(event->key() == Qt::Key_Right) { m_startX
\n"); return 1; } initgraph(640, 480); //默认大小正体显示 showString(startX, startY, //默认大小正体显示 const unsigned char* hint = (const unsigned char*)"这是从文件中加载的一段话"; showString(startX , startY+20, hint, strlen((const char*)hint) / 2, DARKGRAY); //从文件中加载显示文本 showFileText(startX , startY + 40, "test.txt", GREEN); //放大2倍显示,黄色,斜体 showString(startX, startY + 100, testString , strlen((const char*)testString) / 2, YELLOW, 1, 2); //放大3倍显示,蓝色,倒立 showString(startX, startY
res = new int[n][n]; // 循环次数 int loop = n / 2; // 定义每次循环起始位置 int startX count = 1; // 定义中间位置 int mid = n / 2; while (loop > 0) { int i = startX startY; // 模拟上侧从左到右 for (; j<startY + n -offset; ++j) { res[startX ][j] = count++; } // 模拟右侧从上到下 for (; i<startX + n -offset; ++i) res[i][j] = count++; } // 模拟左侧从下到上 for (; i > startX
}; int startx,starty,endx,endy;//记录起点跟终点 char mapp[maxn][maxn];//记录地图 bool vis[maxn][maxn];//纪录是否访问过了 int f[4][2] = {{0,1},{0,-1},{1,0},{-1,0}};//定义方向数组 int n,m; int ans; int BFS(int startx,int starty qu.empty()) qu.pop(); node st = {startx,starty,0}; qu.push(st);//把第一个起始点加入 vis[startx][starty] i<=n;i++){ for(int j=1;j<=m;j++){ cin>>mapp[i][j]; if(mapp[i][j]=='S'){ startx starty = j; } if(mapp[i][j]=='E'){ endx = i; endy = j; } } } ans = BFS(startx
(getWidth()*4/5); i=startX) { int x[] = {startX,startX+(startX<centerX? +8:-8),startX+(startX<centerX? = getWidth()*4/5; int rightX[] = {startX-2,startX-20,startX-24}; int rightY[] = {startY+3,startY+10,153 ,startX+(startX<centerX? ,startX+(startX<centerX?
monthDays / 7 : monthDays / 7 + 1); int rowHeigh = height / (rowCount); int startX = /** * 画出的按路线上的图片,勾选,礼物 * @param bitmapList * @param startX * @param endX * @ param y * @param canvas */ private void drawImgs(List<Bitmap> bitmapList, float startX, float endX, float y, Canvas canvas) { startX = startX - bitmapList.get(0).getWidth() / 2 bitmapList.isEmpty()) { startX = startX - bitmapList.get(0).getWidth() / 2;
求矩形周长的方法perimeter() (2)通过继承Rect类编写一个具有确定位置的矩形类PlainRect,其确定位置用 矩形的左上角坐标来标识,包含: 添加两个属性:矩形左上角坐标startX 两个构造方法: 带4个参数的构造方法,用于对startX、startY、width和height属性初始化; 不带参数的构造方法,将矩形初始化为左上角坐标、长和宽都为0的矩形; 添加一个方法 提示:点在矩形类是指满足条件: x>=startX&&x<=(startX+width)&&y<startY&&y>=(startY-height) (3)编写PlainRect = width; this.height = height; this.startX = startX; this.startY = startY; } public PlainRect y) { if(x>=startX&&x<=(startX+width)&&y<=startY&&y>=(startY-height)) { return true; }else {
return new int[0][0]; } int[][] matrix = new int[n][n]; int num = 1; int startx = 0, endx = n - 1; int starty = 0, endy = n - 1; while (startx <= endx && starty <= // 上边的行,从左向右 for (int y = starty; y <= endy; y++) { matrix[startx ][y] = num++; } // 右边的列,从上到下 for (int x = startx + 1; x <= endx; + 1; x--) { matrix[x][starty] = num++; } startx++;
(更详细的用法,请参阅AS3.0 Matrix ) tx,ty的平移示例: import fl.events.SliderEvent; var box:Box = new Box(); var startX :Number = stage.stageWidth/2 ; var startY:Number = stage.stageHeight/2 ; box.x = startX; box.y = startY :Number = stage.stageWidth/2; var startY:Number = stage.stageHeight/2; box.x = startX; box.y = startY :Number = stage.stageWidth/2 ; var startY:Number = stage.stageHeight/2 ; box.x = startX; box.y = startY ; addChild(box); var box2:Box = new Box(100,75,0xff6600); box2.x = startX; box2.y = startY; addChild
, endX, endY; let margin = 100; // 边缘留白 switch (direction) { case "up": startX margin); startY = randomBetween(screen.height * 0.7, screen.height * 0.9); endX = startX randomBetween(screen.height * 0.1, screen.height * 0.3); break; case "down": startX margin); startY = randomBetween(screen.height * 0.1, screen.height * 0.3); endX = startX 0.1, screen.width * 0.3); endY = startY; break; case "right": startX
,m_starty,m_width,m_height); //标题栏 painter->drawLine(m_startx,m_starty+m_titleHeight,m_startx ,m_starty+m_height,m_startx+m_width,m_starty+m_height); int x1,y1,x2,y2; painter->setFont( QFont("宋体", 10)); //绘制表格列单元线 for (int i = 1; i < m_colNum; i++) { x1 = m_startx + m_colWidth*i; y1 = m_startx + m_titleHeight; x2 = m_startx + m_colWidth*i; y2 ; y1 = m_starty+m_titleHeight + m_rowHeight*rowNo; x2 = m_startx + m_width; y2
(getWidth()*4/5); i=startX) { int x[] = {startX,startX+(startX<centerX? +8:-8),startX+(startX<centerX? = getWidth()*4/5; int rightX[] = {startX-2,startX-20,startX-24}; int rightY[] = {startY+3,startY+10,153 ,startX+(startX<centerX? ,startX+(startX<centerX?
test1.onmousedown=function(ev){ var this_=this; ev.preventDefault(); var startX ev.pageY-this_.offsetTop; document.onmousemove=function(ev){ this_.style.left=(ev.pageX-startX ,false); function m_mousedown(ev){ var this_=this; ev.preventDefault(); var startX touchstart1(event){ var this_=this; event.preventDefault(); var ev=event.touches[0]; startX touchstart1(event){ var this_=this; event.preventDefault(); var ev=event.touches[0]; startX