我有以下代码和LinearGradient,它与其他所有示例看起来非常相似.
public class CustomColourBar extends View
{
public CustomColourBar( Context context, AttributeSet attribs )
{
super( context, attribs );
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec)
{
setMeasuredDimension(170, 40);
}
@Override
protected synchronized void onDraw( Canvas canvas )
{
int height = this.getMeasuredHeight();
int width = this.getMeasuredWidth();
LinearGradient shader = new LinearGradient(
0, 0, 0, height,
Color.RED, Color.YELLOW,
Shader.TileMode.CLAMP );
Paint paint = new Paint();
paint.setShader(shader);
RectF fgRect = new RectF( 0, 0, width, height);
canvas.drawRoundRect(fgRect, 7f, 7f, paint); …Run Code Online (Sandbox Code Playgroud) 我认为这是简单的代码,但这不能按预期工作:
$id = $_GET['id'];
if (!isset($id)){
header("HTTP/1.1 404 not found");
include("404.php");
}
else {
include('includes/functions.php');
}
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所以我从URL获取了get参数但我没有收到404错误?
有任何想法吗?
Eco是一种嵌入式Coffeescript模板语言.它类似于ERB.有没有办法在Rails应用程序中将其用作服务器端模板语言?
最终目标是在客户端和服务器上使用Eco编写的部分部分.
每当我尝试使用Intellij中的gradle做任何事情时,我都会收到如下错误:
Executing command: "tasks"
Failed to connect to gradle process for command 'tasks'
ERROR: JAVA_HOME is set to an invalid directory: C:\Program Files (x86)\JetBrains\IntelliJ IDEA 10.0\jre
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation.
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但是在我的环境中,我已经JAVA_HOME在不同的目录中设置了正确的JDK.此外,当我查看IntelliJ项目时,它还会在正确的JDK位置显示JDK.我找不到任何试图将JDK指向Intellij JRE位置的东西.
有什么想法吗?
为什么Web浏览器不会在其包中放置像jquery或extjs这样的重要javascript库?有了这个工作网站加载时间很短.
我有一个2D numpy数组.这个数组中的一些值是NaN.我想使用这个数组执行某些操作.例如,考虑数组:
[[ 0. 43. 67. 0. 38.]
[ 100. 86. 96. 100. 94.]
[ 76. 79. 83. 89. 56.]
[ 88. NaN 67. 89. 81.]
[ 94. 79. 67. 89. 69.]
[ 88. 79. 58. 72. 63.]
[ 76. 79. 71. 67. 56.]
[ 71. 71. NaN 56. 100.]]
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我试图逐行取一行,按相反顺序对其进行排序,以从行中获取最多3个值并取其平均值.我试过的代码是:
# nparr is a 2D numpy array
for entry in nparr:
sortedentry = sorted(entry, reverse=True)
highest_3_values = sortedentry[:3]
avg_highest_3 = float(sum(highest_3_values)) / 3
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这不适用于包含的行NaN.我的问题是,是否有一种快速方法可以NaN …
嘿,我正在学习CoffeeScript而且我一直在犯错误.这是我的代码:
Db = require('./lib/mongodb').Db
ObjectID = require('./lib/mongodb').ObjectID
Server = require('./lib/mongodb').Server
class UserDataProvider
constructor = (host,port)->
this.db = new Db( 'test' , new Server(host ,port,{}))
getCollection = (callback) ->
this.db.collection 'data',(error,data)->
if error then callback(error)
else callback(data)
findAll = (callback) ->
this.getCollection (error,data)->
if error then callback error
else
data.find (error, cursor) ->
if error then callback error
else
cursor.toArray (error, results)->
if error then callback error
else callback(null,results)
findById = (id,callback)->
this.getCollection (error, data)->
if error then callback error
else …Run Code Online (Sandbox Code Playgroud) 只是想知道是否有人知道我如何重新创建我刚才看到的导航栏样式,我刚刚找到了我看到它的网站,但我不确定它们是如何到达那里的.基本上希望它与页面滚动然后锁定到顶部...
我正在讨论Sanderson的Pro ASP.NET MVC框架,在第4章他讨论了创建一个自定义控制器工厂,似乎现在不推荐使用原始方法,AddComponentLifeStyle或AddComponentWithLifeStyle用于注册控制器:
public class WindsorControllerFactory : DefaultControllerFactory
{
IWindsorContainer container;
public WindsorControllerFactory()
{
container = new WindsorContainer(new XmlInterpreter(new ConfigResource("castle")));
// register all the controller types as transient
var controllerTypes = from t in Assembly.GetExecutingAssembly().GetTypes()
where typeof(IController).IsAssignableFrom(t)
select t;
//[Obsolete("Use Register(Component.For<I>().ImplementedBy<T>().Named(key).Lifestyle.Is(lifestyle)) instead.")]
//IWindsorContainer AddComponentLifeStyle<I, T>(string key, LifestyleType lifestyle) where T : class;
foreach (Type t in controllerTypes)
{
container.Register(Component.For<IController>().ImplementedBy<???>().Named(t.FullName).LifeStyle.Is(LifestyleType.Transient));
}
}
// Constructs the controller instance needed to service each request
protected override IController …Run Code Online (Sandbox Code Playgroud) $('a.tooltip').each(function(){
$(this).qtip({
content: { url: 'includes/qtip.php?'+$(this).attr('rel')+' #'+$(this).attr('div'), text:'loading...' },
show: { delay: 400},
hide: { fixed: true, delay: 200 },
position: {
corner: {
target: 'bottomLeft',
tooltip: 'right'
}
},
style: {
name: 'light',
width: 700
}
});
});
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我喜欢wto .tooltip项目在我网站的右侧面板上,但如果没有看不到它完整,
我怎么能tooltip:'right'在别的地方做到这一点?我的意思是,我怎么知道?
javascript ×3
coffeescript ×2
jquery ×2
android ×1
asp.net-mvc ×1
browser ×1
css ×1
gradient ×1
gradle ×1
layout ×1
nan ×1
numpy ×1
php ×1
position ×1
positioning ×1
python ×1
qtip ×1
reflection ×1
templates ×1