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问题 I have just a couple tweeks to make my website work on an iPad iPhone, just need to change some margins and some fonts sizes. I found this tutorial online that said to add this code: <!--[if !IE]>--> <link type="text/css" rel="stylesheet" media="only screen and (max-device-width: 480px)" href="css/style_ipad.css" /> <link type="text/css" rel="stylesheet" media="only screen and (min-device-width: 768px) and (max-device-width: 1024px)" href="css/style_ipad.css" /> <!--<![endif]--> so I added

问题 I am designing a GUI in Qt . I have a MainWindow and a QToolBox in it. The class of my MainWindow is QTabWidget . According to the following pictures, I have a QToolBox with two tab named Encoder and Decoder . I could change the background color of each tab and its border . But I don't know how to change the color of background of each pane/tab . For example I want to change the color of Decoder pane to blue as follow. It is possible to put a frame-widget to page and change its background.

问题 How to add margin: 1 perfectly in my Camera Roll? Because when I add margin: 1 in my <Image .../> the order will not be in correct order. The result I want is like in the Instagram. There's no margin in the Left and Right Side, right? Just like this Image: Here are my Codes: render() { return( <View style={styles.container}> {/* <SelectedImage source={{uri: this.state.pickedImage}}/> */} <Image source={{uri: this.state.pickedImage}} style={styles.image}/> <ScrollView contentContainerStyle=

问题 I'm altering a class definition in a stylesheet by using the following code: /* * At this point it is: * "position: absolute; height: 20px; background-image: none; background-position: initial initial; background-repeat: initial initial;" * But I actually set "background: none;" in my css file */ var cssText = document.styleSheets[ 0 ][ "cssRules" ][ 3 ].style.cssText; //Just replace the height document.styleSheets[ 0 ][ "cssRules" ][ 3 ].style.cssText = cssText.replace( "height: 20px",

问题 I have created a html stuff which has a parent div named as row-one . row-one class is having height set to 40%. The html is rendering correctly and the parent height is applied to the child div ( child-fluid ). The problem is that I have two boxes, The first box is coming correctly as expected but the second box is not rendering like that of first Can anyone please tell me some solution for this My code is as given below Plunker Html <div class="row-one"> <div class="child-fluid"> <div class

问题 Here's my code: const QString STYLE_SHEET = "background-color: rgba(x,x,x,y);" "border: 1px solid gray;" "border-radius: 0px;" "border-top: 1px solid red;" "border-bottom: 1px solid blue;" "border-radius: 0px;"; The SS is applied later in the code like this: QWidget * myWidget; myWidget = new QWidget(parent); myWidget.setObjectName("myWidgetName"); myWidget.setStyleSheet(STYLE_SHEET); It works like a champ except that the borders bleed into a child QFrame. If I add specificity to STYLE_SHEET

问题 I have a custom QWidget subclass that lays out a number of children. In my stylesheet I define a background, which works fine. I also define padding, which doesn't work. I clearly need to provide support for this myself. To do that, I need to be able to find out what padding is set in the stylesheet for my widget. I do not wish to parse the stylesheet myself, that would not make much sense. How can I access the top, left, bottom and right padding set in the stylesheet? Thanks in advance, 回答1:

问题 I have a class that inherits QWidget . Under certain circumstances, I wish to set it disabled. The widget has some color buttons, that are set from a list of colors: void MyWidget::colorUpdate(QString color) { if(!color.isEmpty()) { QString foreground = (QColor(color).lightness() < 125 ? "white" : "black"); m_colorButton->setStyleSheet("color: " + foreground + "; background-color: " + color); } } Calling myWidget.setEnabled(enabledOption); disables the widget, grays out all text and every

问题 i attach some stylesheets in zend controller but blank page shown,how i include stylesheets and javascript files in zend controller?here is my code: public function showAction() { //css $this->viewHelperManager->get('headLink')->appendStylesheet('/css/style.css'); $this->viewHelperManager->get('headLink')->appendStylesheet('/css/bootstrap-theme.min.css'); $this->viewHelperManager->get('headLink')->appendStylesheet('/css/tweaks.css'); $this->viewHelperManager->get('headLink')->appendStylesheet

问题 programmer When I set the background-color of the list view belonging to the QComboBox (per QSS), then this QComboBox will no more use the built-in-opticel-look-and feel. Instaed I have to specify all optical settings also per QSS-Stylesheet: QComboBox QListView { background-color:white; border:1px solid black; } The list view, which shows the chosable item, displays a checkbox on the left now. This box is checked for those item, chosen on last usage. How can i hide the column with the