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How to implement a queue with three stacks?
...r Sedgewick have confirmed they are not aware of a 3-stack solution within all the constraints of the original question
DETAILS
There are two implementations behind this link: http://www.eecs.usma.edu/webs/people/okasaki/jfp95/index.html
One of them is O(1) with three stacks BUT it uses lazy exe...
SPAN vs DIV (inline-block)
...turn and have default margin.
Note that inline-block is not supported in all browsers. For instance in Firefox 2 and less you must use:
display: -moz-inline-stack;
which displays slightly different than an inline block element in FF3.
There is a great article here on creating cross browser inl...
rvm installation not working: “RVM is not a function”
I just installed RVM, but can't make it work. I have such line at the end of my .profile file:
21 Answers
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How can I quantify difference between two images?
...s on the first image to edges on the second.
Is there noise in the image?
All sensors pollute the image with some amount of noise. Low-cost sensors have more noise. You may wish to apply some noise reduction before you compare images. Blur is the most simple (but not the best) approach here.
What k...
Create unique constraint with null columns
...or may not be useful. In extreme situations it might even help to maintain all three indexes (the two partial ones and a total on top).
Aside: I advise not to use mixed case identifiers in PostgreSQL.
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What does tree-ish mean in Git?
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Identifiers #1-14 are all "commit-ish", because they all lead to commits, but
because commits also point to directory trees, they all ultimately lead to
(sub)directory tree objects, and can therefore also be used as "tree-ish".
#15 can also be us...
Why am I suddenly getting a “Blocked loading mixed active content” issue in Firefox?
... main page is served over HTTPS. When an HTTPS page has HTTP content, we call that content “mixed”. The webpage that the user is visiting is only partially encrypted, since some of the content is retrieved unencrypted over HTTP. The Mixed Content Blocker blocks certain HTTP requests on HTTPS p...
Lodash - difference between .extend() / .assign() and .merge()
...d try to map child object properties from source to destination. So essentially we merge object hierarchy from source to destination. While for extend/assign, it's simple one level copy of properties from source to destination.
Here's simple JSBin that would make this crystal clear:
http://jsbin.co...
Google Espresso or Robotium [closed]
..., but also cause tests to run slower than necessary.
API. Espresso has a small, well-defined and predictable API, which is open to customization. You tell the framework how to locate a UI element using standard hamcrest matchers and then instruct it to either perform an action or check an assertion ...
Separate Back Stack for each tab in Android using Fragments
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The framework won't currently do this for you automatically. You will need to build and manage your own back stacks for each tab.
To be honest, this seems like a really questionable thing to do. I can't imagine it resulting in a decent UI -- if the back key is going to do diff...