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Tips for debugging .htaccess rewrite rules

...nd 301 redirected to URL C. Even if URL C was the ultimate goal, you will know that this is bad for SEO and needs to be fixed. You will be able to see cache headers that were set on the server side, replay requests, modify request headers to test .... ...
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Decimal number regular expression, where digit after decimal is optional

... Thanks Pete, well spotted. The answer has now been corrected, by adding extra parenthesis so it behaves as intended. It is now written like ^A?(B|C)$. Previously, it was written like ^A?B|C$ which actually means (^A?B)|(C$) which was incorrect. Note: ^(A?B|C)$ is als...
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What is a bus error?

... Bus errors are rare nowadays on x86 and occur when your processor cannot even attempt the memory access requested, typically: using a processor instruction with an address that does not satisfy its alignment requirements. Segmentation faults...
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How to handle screen orientation change when progress dialog and background thread active?

...e (For example, going in or out of car mode ; night mode changing), etc. I now wonder wether this is actually a good answer. – rds Mar 10 '11 at 16:49 ...
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How do I get my Maven Integration tests to run

... The Maven build lifecycle now includes the "integration-test" phase for running integration tests, which are run separately from the unit tests run during the "test" phase. It runs after "package", so if you run "mvn verify", "mvn install", or "mvn de...
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Why doesn't Dijkstra's algorithm work for negative weight edges?

...int on positive numbers - the above assumption is not true. Since we do "know" each vertex which was "closed" is minimal - we can safely do the relaxation step - without "looking back". If we do need to "look back" - Bellman-Ford offers a recursive-like (DP) solution of doing so. ...
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Do you (really) write exception safe code? [closed]

...sure your code is exception safe. But then, you strive for it, using well-known patterns, and avoiding well-known anti-patterns. Do you know and/or actually use alternatives that work? There are no viable alternatives in C++ (i.e. you'll need to revert back to C and avoid C++ libraries, as well as...
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Change key pair for ec2 instance

...ould do the trick for #5. And don't forget step 13. is probably rm ~/.ssh/known_hosts on boxes you've been connecting from. – brandonscript Apr 9 '14 at 6:38 ...
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How can I overwrite a getter method in an ActiveRecord model?

... Well. I just saw the doco. Now if I call name on the model object, which one will be called -name_with_override or name_without_override ? – Arup Rakshit May 19 '15 at 9:29 ...
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Why is the order in dictionaries and sets arbitrary?

...gt;>> hash('bar') % 8 4 >>> hash('baz') % 8 4 Their order now depends on which key was slotted first; the second key will have to be moved to a next slot: >>> {'baz': None, 'bar': None} {'bar': None, 'baz': None} >>> {'bar': None, 'baz': None} {'baz': None, 'bar':...