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RESTful API methods; HEAD & OPTIONS
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As per: http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html
9.2 OPTIONS
The OPTIONS method represents a request for information about the communication options available on the request/response chain identified by the Request-URI. This m...
Tips for debugging .htaccess rewrite rules
...er-agent$
#Here is the actual rule I am testing
RewriteCond %{HTTP_HOST} !^www\.domain\.com$ [NC]
RewriteRule ^ http://www.domain.com%{REQUEST_URI} [L,R=302]
If you are using Firefox, you can use the User Agent Switcher to create the fake user agent string and test.
2. Do not use 301 until ...
What does PHP keyword 'var' do?
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I quote from http://www.php.net/manual/en/language.oop5.visibility.php
Note: The PHP 4 method of declaring a variable with the var keyword is still supported for compatibility reasons (as a synonym for the public keyword). In PHP 5 before 5...
Multiline bash commands in makefile
...cters (‘@’, ‘-’, and ‘+’) are interpreted differently.
https://www.gnu.org/software/make/manual/html_node/One-Shell.html
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Why does Dijkstra's algorithm use decrease-key?
...between using the decrease-key version and the insert version. See http://www.cs.utexas.edu/users/shaikat/papers/TR-07-54.pdf
Their basic conclusion was not to use the decrease-key for most graphs. Especially for sparse graphs, the non-decrease key is significantly faster than the decrease-key ve...
Hide horizontal scrollbar on an iframe?
...sponsive-16by9">
<iframe class="embed-responsive-item" src="http://www.youtube.com/embed/WsFWhL4Y84Y"></iframe>
</div>
jsfiddle: http://jsfiddle.net/00qggsjj/2/
http://getbootstrap.com/components/#responsive-embed
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What's the difference between an exclusive lock and a shared lock?
.... However, other processes can request read locks.
More on that : http://www.gnu.org/software/libc/manual/html_node/File-Locks.html
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Compare if two variables reference the same object in python
...ike to have a visual feedback, that's why I sometimes just open up http://www.pythontutor.com/visualize.html#mode=edit to see how the memory is allocated and what is referencing what.
Added this awesome gif as this reply is about visualizing..
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Why is the Fibonacci series used in agile planning poker? [closed]
...e is a more detailed explanation of the mathematical justification: http://www.yakyma.com/2012/05/why-progressive-estimation-scale-is-so.html
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Can I nest a element inside an using HTML5?
...es on JavaScript.
<button type="button" onclick="location.href='http://www.stackoverflow.com'">ABC</button>
If the button is to be placed inside an existing <form> with method="post", then ensure the button has the attribute type="button" otherwise the button will submit the POS...