button

问题 Code example is from this answer. When click a Button with a command function (and this command function itself will call another menu command function), like the code example, what would happen? When clicking Refresh menu why has lambda command show() not been activated? For clarity, I made some changes about the original code as below: comment out Button().invoke add some print() information and change/add some counting variables # Using lambda keyword and refresh function to create a

问题 Code example is from this answer. When click a Button with a command function (and this command function itself will call another menu command function), like the code example, what would happen? When clicking Refresh menu why has lambda command show() not been activated? For clarity, I made some changes about the original code as below: comment out Button().invoke add some print() information and change/add some counting variables # Using lambda keyword and refresh function to create a

问题 I am attempting to align the border of the pseudo-element to evenly match the border of the button. I am using ::before and ::after pseudo-elements overlaid to get this effect, but they do not properly match the rest of the border. I have messed around with the left and right positioning as well as the border-width of each element, but can't seem to get them to line up perfectly * { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; } .btn-txt{ color: black;

问题 what i need is to access the buttons of the clicked item(layout); this code works but just display all buttons,TextView,...of all layouts not the clicked one. if you want to run this code you can add other layouts with buttons for the test thank you for your help here is my layout: This is activity_main.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"

问题 I have a code for a button in my HTML, and the button is working fine in Chrome and Firefox, however in Internet Explorer (10), only half the button is clickable! <input type="button" value="Submit" data-ng-if="Ctrl.diaplay" data-ng-click="Ctrl.reload('custom')" class="submit__button"> I don't know how to explain what is happening better, but in IE, if you hover near the left edge of the button, it is clickable, however when you hover near the right edge, the button is not clickable. 来源：

问题 I'm running an animation using matplotlib's FuncAnimation to display data (live) from a microprocessor. I'm using buttons to send commands to the processor and would like the color of the button to change after being clicked, but I can't find anything in the matplotlib.widgets.button documentation (yet) that achieves this. class Command: def motor(self, event): SERIAL['Serial'].write(' ') plt.draw() write = Command() bmotor = Button(axmotor, 'Motor', color = '0.85', hovercolor = 'g') bmotor

问题 I am new in Android development.I created a simple project with a simple button.I thought that the button will look the same on different screen sizes but when i previewed all screens eclipse displayed this http://imgur.com/kjEMhHx This is the xml code <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical

问题 I am a beginner in programming with Java Android. I am currently confused with how to start an activity in Android 2.1. My current project requires a lot of different activities to work together in one program. Let's say I have a button inside the main.xml and assume the function inside ButtonAdroid.class is the one below: public class ButtonAndroid extends Activity { public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); final

问题 I'm trying to create a template for a button that I can use over and over again on a form. The Button , I want it to contain a Grid with two rows and a custom piece of text within the bottom row. This is what I've got so far, but I don't think it's right because I want to set the text from within the button element. <ControlTemplate TargetType="Control"> <Grid Width="444"> <Grid.RowDefinitions> <RowDefinition Height="51" /> <RowDefinition Height="36" /> </Grid.RowDefinitions> <Grid Grid.Row=

问题 I am playing around with Tkinter and building a calculator from the base up. To try and understand as learn as much as possible about the event and the library as I can while I go along. Right now I am at a point where I simply want the buttons to pass the value on the button to the label at the top. I've used a for loop to create most of the buttons to avoid redundant code but now the only value being passed onto the textvariable in the label is the last item, '.', in my buttons list and I