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Best way to center a on a page vertically and horizontally? [duplicate]
Best way to center a <div> element on a page both vertically and horizontally?
30 Answers
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Foreign Key naming scheme
I'm just getting started working with foreign keys for the first time and I'm wondering if there's a standard naming scheme to use for them?
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How can I update a single row in a ListView?
...ave a ListView which displays news items. They contain an image, a title and some text. The image is loaded in a separate thread (with a queue and all) and when the image is downloaded, I now call notifyDataSetChanged() on the list adapter to update the image. This works, but getView() is gett...
How do I unbind “hover” in jQuery?
...'mouseenter mouseleave');
As of jQuery 1.7, you are also able use $.on() and $.off() for event binding, so to unbind the hover event, you would use the simpler and tidier:
$('#myElement').off('hover');
The pseudo-event-name "hover" is used as a shorthand for "mouseenter mouseleave" but was hand...
Flask-SQLAlchemy how to delete all rows in a single table
...ery.delete() as query object as 'BaseQuery' object is not callable. Tested and verified.
– Shirish Kadam
Jul 13 '19 at 23:29
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package R does not exist
...I refactored by renaming the namespace folders. I just forgot to also edit AndroidManifest and that's why I got this error.
Make sure you check this as well.
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How to draw circle in html page?
How do you draw a circle using HTML5 and CSS3?
16 Answers
16
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Update data in ListFragment as part of ViewPager
I'm using the v4 compatibility ViewPager in Android. My FragmentActivity has a bunch of data which is to be displayed in different ways on different pages in my ViewPager. So far I just have 3 instances of the same ListFragment, but in the future I will have 3 instances of different ListFragments....
Nested attributes unpermitted parameters
...bject also belongs to a Person . I want a form that can create the Bill and its children Dues all in one page. I am trying to create a form using nested attributes, similar to ones in this Railscast .
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How to use Checkbox inside Select Option
...e select element but you can get the same functionality by using HTML, CSS and JavaScript. Here is a possible working solution. The explanation follows.
Code:
var expanded = false;
function showCheckboxes() {
var checkboxes = document.getElementById("checkboxes");
if (!expanded) {...