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How long do browsers cache HTTP 301s?

I am debugging a problem with a HTTP 301 Permanent Redirect. After a quick test, it seems that Safari clears its cache of 301s when it is restarted, but Firefox does not. ...
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Pointers in C: when to use the ampersand and the asterisk?

... of integers int i = *a; // the value of the first element of a int i2 = a[0]; // another way to get the first element To get the second element: int a[2]; // array int i = *(a + 1); // the value of the second element int i2 = a[1]; // the value of the second element So the [] indexing operator...
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How can I propagate exceptions between threads?

...exception: " << ex.what() << "\n"; } } return 0; } Because in your case you have multiple worker threads, you will need to keep one exception_ptr for each of them. Note that exception_ptr is a shared ptr-like pointer, so you will need to keep at least one exception_pt...
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Stop “developer tools access needs to take control of another process for debugging to continue” ale

I recently upgraded to 10.7.3, and when I try to debug my iOS project in the simulator for the first time after logging in, I'm prompted with the following two alerts: ...
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Using a custom image for a UITableViewCell's accessoryView and having it respond to UITableViewDeleg

... 10 Answers 10 Active ...
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How to delete and replace last line in the terminal using bash?

... echo a carriage return with \r seq 1 1000000 | while read i; do echo -en "\r$i"; done from man echo: -n do not output the trailing newline -e enable interpretation of backslash escapes \r carriage return ...
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How do you embed binary data in XML?

... | edited Sep 11 '08 at 14:08 answered Aug 21 '08 at 13:37 ...
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How do I check if an object has a specific property in JavaScript?

...odern browsers support it. (It was missing in older versions of Safari - 2.0.1 and older - but those versions of the browser are rarely used any more.) If what you're looking for is if an object has a property on it that is iterable (when you iterate over the properties of the object, it will appea...
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How can I tell if one commit is a descendant of another commit?

... answered Jun 9 '10 at 13:25 Jakub NarębskiJakub Narębski 254k5858 gold badges205205 silver badges227227 bronze badges ...
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Default filter in Django admin

... 102 In order to achieve this and have a usable 'All' link in your sidebar (ie one that shows all ra...