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HTML5 textarea placeholder not appearing

...lt;/textarea> Update (2020) This is not true anymore, according to the HTML5 parsing spec: If the next token is a U+000A LINE FEED (LF) character token, then ignore that token and move on to the next one. (Newlines at the start of textarea elements are ignored as an authoring convenience.) Y...
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How to call a PHP function on the click of a button

...clear my doubt. Should those pages be prevented from developing where both HTML and PHP codes are merged in a single page with HTML serving the purpose of client interaction like forms and PHP serving as the reply to such HTML forms like printing some results based on whether a button in a form is c...
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How can I make an entire HTML form “readonly”?

I have two pages with HTML forms. The first page has a submission form, and the second page has an acknowledgement form. The first form offers a choice of many controls, while the second page displays the data from the submission form again with a confirmation message. On this second form all fields...
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How to convert PascalCase to pascal_case?

...sts = array( 'simpleTest' => 'simple_test', 'easy' => 'easy', 'HTML' => 'html', 'simpleXML' => 'simple_xml', 'PDFLoad' => 'pdf_load', 'startMIDDLELast' => 'start_middle_last', 'AString' => 'a_string', 'Some4Numbers234' => 'some4_numbers234', 'TEST123String' ...
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No route matches “/users/sign_out” devise rails 3

...ve installed devise on my app and applied the following in my application.html.erb file: 29 Answers ...
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What is the purpose of double curly braces in React's JSX syntax?

...n object literal inlined in the prop value. It's the same as var obj = {__html: rawMarkup}; <span dangerouslySetInnerHTML={obj} /> share | improve this answer | foll...
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CSS to make HTML page footer stay at bottom of the page with a minimum height, but not overlap the p

...Editable>Footer</footer> </body> 4) Table-layout html{ height:100%; } body { min-height:100%; margin:0; } header { height: 50px; background: lightcyan; } article { height: 1%; } footer { height: 50px; background: PapayaWhip; } /**** Trick: ****/ body { di...
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How can I position my div at the bottom of its container?

Given the following HTML: 24 Answers 24 ...
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Are there other whitespace codes like &nbsp for half-spaces, em-spaces, en-spaces etc useful in HTML

Wondering if there are other codes available to use in an HTML newsletter. 5 Answers ...
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How to vertically align a html radio button to it's label?

... To explain why this is the only correct answer: Some elements in HTML have default margin or padding values, like the <p> or <li> elements or radio buttons. You can see this if you go into developer mode (F12) and hover your mouse over the tag. Actually, this is a good behaviou...