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How to vertically center a inside a div? [duplicate]
...-row parent). :) But no, you can be sure that I would never advocate using HTML table elements for layout.
– Phrogz
Dec 5 '10 at 4:19
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What is “android:allowBackup”?
...up a fuller explanation. If you are not using Eclipse, you can generate an HTML report from lint (lint --html <filename>) which includes full explanations next to the warnings, or you can ask lint to explain a particular issue. For example, the issue related to allowBackup has the id AllowBack...
What is the standard naming convention for html/css ids and classes?
...ty unpleasant to litter classes everywhere, but not having to jump between HTML and CSS all the time feels quite productive.
I'm still settled on BEM, though. It's verbose, but the namespacing makes working with it in React components very natural. It's also great for selecting specific elements wh...
How to style input and submit button with CSS?
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Simply style your Submit button like you would style any other html element. you can target different type of input elements using CSS attribute selector
As an example you could write
input[type=text] {
/*your styles here.....*/
}
input[type=submit] {
/*your styles here.....*/
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What is Persistence Context?
...links are useful:
http://docs.jboss.org/hibernate/core/4.0/devguide/en-US/html/ch03.html
http://docs.jboss.org/hibernate/entitymanager/3.5/reference/en/html/architecture.html
In Java EE, a persistence context is normally accessed via an EntityManager.
http://docs.oracle.com/javaee/6/api/javax/pe...
Why are dashes preferred for CSS selectors / HTML attributes?
...t I've always used underscores for defining class and id attributes in HTML. Over the last few years I changed over to dashes, mostly to align myself with the trend in the community , not necessarily because it made sense to me.
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Can you autoplay HTML5 videos on the iPad?
...- Apple documentation.
Here is a separate warning featured on the Safari HTML5 Reference page about why embedded media cannot be played in Safari on iOS:
Warning: To prevent unsolicited downloads over cellular networks at
the user’s expense, embedded media cannot be played automatically in...
Is there a float input type in HTML5?
According to html5.org , the "number" input type's "value attribute, if specified and not empty, must have a value that is a valid floating point number."
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Generating an MD5 checksum of a file
...ide of a larger expression; more info here: docs.python.org/3/whatsnew/3.8.html#assignment-expressions
– Benjamin
Jun 5 at 22:02
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what exactly is device pixel ratio?
... bitmap resources. In CSS, media queries is currently the only way, and in HTML5, the picture element lets you use different sources for different media queries, but the support is still not 100 % since most web developers still have to support IE11 for a while more (source: caniuse).
If you need c...