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What's the difference between Cache-Control: max-age=0 and no-cache?
...hahkalpesh's answer applies to the user agent side. You can also look at 13.2.6 Disambiguating Multiple Responses.
If a user agent sends a request with Cache-Control: max-age=0 (aka. "end-to-end revalidation"), then each cache along the way will revalidate its cache entry (eg. with the If-Not-Modi...
Counting DISTINCT over multiple columns
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answered Sep 26 '09 at 3:42
Jason HornerJason Horner
3,21622 gold badges2020 silver badges2828 bronze badges
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Redirect all output to file [duplicate]
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1213
That part is written to stderr, use 2> to redirect it. For example:
foo > stdout.txt 2>...
How to destroy an object?
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edited Jun 20 '16 at 0:36
Jeff Puckett
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answ...
Aliases in Windows command prompt
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463
To add to josh's answer,
you may make the alias(es) persistent with the following steps,
Crea...
Composer Warning: openssl extension is missing. How to enable in WAMP
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13 Answers
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Why C# implements methods as non-virtual by default?
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edited Jul 4 '09 at 22:03
answered May 2 '09 at 14:31
Meh...
Prevent browser caching of AJAX call result
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243
I use new Date().getTime(), which will avoid collisions unless you have multiple requests happen...
using href links inside tag
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I know this is very trivial but should be "onchange" and not "ONCHANGE"
– Oliver Dixon
Jun 12 '13 at ...
Pros and cons of Java rules engines [closed]
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edited May 13 '14 at 16:02
Community♦
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answered Jan 30 '10 at 12:43
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