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Difference between PCDATA and CDATA in DTD
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PCDATA - Parsed Character Data
XML parsers normally parse all the text in an XML document.
CDATA - (Unparsed) Character Data
The term CDATA is used about text data that should not be parsed by the XML parser.
Characters like "<" and "&" are illegal in XML elemen...
SET NAMES utf8 in MySQL?
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@ Vinko Vrsalovic: Not necessarily... I had all my files in utf8 but my previous hoster has had the mysql charset set to latin1 and because i havent told mysql that I am sending chars in utf8 (hence set names utf8) it stored them in latin charset and all my special cha...
Expand a div to fill the remaining width
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The solution to this is actually very easy, but not at all obvious. You have to trigger something called a "block formatting context" (BFC), which interacts with floats in a specific way.
Just take that second div, remove the float, and give it overfl...
Laravel Eloquent groupBy() AND also return count of each group
...: Total Records: 10; Internet Explorer 8: 2; Chrome 25: 4; Firefox 20: 4. (All adding up to 10)
10 Answers
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Undoing a git rebase
...uble check this, though as I haven't verified this recently.
Per default, all reflogs are activated for non-bare repositories:
[core]
logAllRefUpdates = true
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What's to stop malicious code from spoofing the “Origin” header to exploit CORS?
...header Origin: http://foo.com , and bar must respond with Access-Control-Allow-Origin: http://foo.com .
3 Answers
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On Duplicate Key Update same as insert
...real life query there are differences. My question is quiet simple: Do I really need to specify all the fields (and values in my first example) if they are the same as in the insert? I just want to insert all or if there is a unique value match: update all.
– Roy
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iPhone Safari Web App opens links in new window
...after adding icon to Home Screen. If the web is launched from Home Screen, all links will open in new window in Safari (and lose full screen functionality). How can I prevent it? I couldn't find any help, only the same unanswered question.
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What is the difference between max-device-width and max-width for mobile web?
... actual device screen
Same goes for max-height and max-device-height naturally.
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How do you copy a record in a SQL table but swap out the unique id of the new row?
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Any fields not specified should receive their default value (which is usually NULL when not defined).
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