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JavaScript code to stop form submission
...
Just use a simple button instead of a submit button. And call a JavaScript function to handle form submit:
<input type="button" name="submit" value="submit" onclick="submit_form();"/>
Function within a script tag:
function submit_for...
using facebook sdk in Android studio
...ure by Ctrl + Shift + Alt + S and then select dependencies tab. Click on + button and select Module Dependency. In the new window pop up select :facebook.
You should be good to go.
Instructions for older Android Studio and older Facebook SDK
This applies to Android Studio 0.5.4 and earlier, and...
What is polymorphism, what is it for, and how is it used?
...y’re all used the same way.
A real world analogy for polymorphism is a button. Everyone knows how to use a button: you simply apply pressure to it. What a button “does,” however, depends on what it is connected to and the context in which it is used — but the result does not affect how it ...
The application may be doing too much work on its main thread
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I just have an app where if I click a button, the background image of button changes and button is unclickable. How am I doing too much work :(
– Remian8985
Aug 6 '15 at 10:45
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How to center the content inside a linear layout?
...ity="center" >
<ImageView
android:id="@+id/imageButton_speak"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/image_bg"
android:src="@drawable/ic_speak" />
</Li...
How can I update window.location.hash without jumping the document?
...o the browser history stack. In other words, when the user clicks the back button, nothing will happen unless you also add a popstate event listener.
– David Cook
Sep 2 '14 at 2:42
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maxlength ignored for input type=“number” in Chrome
... to keep number field. Just be sure to add a min/max attribute as the spin buttons can still go above the 4 digits if they are used
– NiallMitch14
Sep 25 '19 at 14:10
3
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Centering a view in its superview using Visual Format Language
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Add below code and have your button at the center of the screen. Absolutely possible.
[self.view addConstraints:[NSLayoutConstraint
constraintsWithVisualFormat:@"H:|-[button]-|"
options:NSLayoutForma...
In Android, how do I set margins in dp programmatically?
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You should use LayoutParams to set your button margins:
LayoutParams params = new LayoutParams(
LayoutParams.WRAP_CONTENT,
LayoutParams.WRAP_CONTENT
);
params.setMargins(left, top, right, bottom);
yourbutton.setLayoutParams(params);
Dependi...
Best way to add Activity to an Android project in Eclipse?
...ns for Activity, Activity Alias, Meta Data and so on. Below that there are buttons for "Cancel" and "OK". Upon the first character entered in the text field, all selections disappear and the "OK" button becomes gray. Bug or am I doing it wrong? Thx, hank
– HankB
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