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What is duck typing?

...ot that well defined. Neither is Duck Typing. Google Go or Ocaml are statically typed languages with a structural subtyping-construction. Are these duck typed languages? – I GIVE CRAP ANSWERS Nov 17 '10 at 15:27 ...
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List files by last edited date

... Thanks, that's perfect. I added a -l in there too so I can actually see the dates so for anyone who searches this out later, it's- $ ls -lRt – Marty Sep 10 '09 at 12:27 ...
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Proper stack and heap usage in C++?

...n programming for a while but It's been mostly Java and C#. I've never actually had to manage memory on my own. I recently began programming in C++ and I'm a little confused as to when I should store things on the stack and when to store them on the heap. ...
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XPath to select multiple tags

...ve the original problem, but it results in a longer and more complex and challenging to understand XPath expression. The simpler expression in this answer, which uses the or operator produces the wanted node-set and can be specified in the "select" attribute of an <xsl:for-each> XSLT operation...
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What does it mean when a CSS rule is grayed out in Chrome's element inspector?

... selected DOM node. I guess, for the sake of completeness, dev tools shows all the rules from that set, whether they are applied or not. In the case where a rule is applied to the currently selected element due to inheritance (i.e. the rule was applied to an ancestor, and the selected element inher...
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In Python, when to use a Dictionary, List or Set?

...tion of unique elements, use a set. (For example, when you want the set of all the words used in a document). When you want to collect an immutable ordered list of elements, use a tuple. (For example, when you want a (name, phone_number) pair that you wish to use as an element in a set, you would n...
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Google Docs/Drive - number the headings

... If you want something more easy, there is a Google Add-On called "Table of Contents" that will allow you to number your headings. To install this add-on: Click on the Add-Ons > Get Add-Ons. Click on the "Table of Contents" icon or search for this addon to install it The...
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'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine

... Well, you need to install it. You're looking for: The 2007 Office System Driver: Data Connectivity Components. share | improve this answer ...
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Merge up to a specific commit

... Sure, being in master branch all you need to do is: git merge <commit-id> where commit-id is hash of the last commit from newbranch that you want to get in your master branch. You can find out more about any git command by doing git help <co...
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Setting environment variables via launchd.conf no longer works in OS X Yosemite/El Capitan/macOS Sie

...iables will not be set (so you'll need to set them in ~/.bash_profile). Finally, this doesn't seem to work for PATH on El Capitan and Sierra. That needs to be set via 'launchctl config user path ...' and in /etc/paths. share...