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docker error: /var/run/docker.sock: no such file or directory

...ker file that runs builds an image and run the container. I am on mac, installed boot2docker and have the DOCKER_HOST env set up. ...
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Django datetime issues (default=datetime.now())

...mplish what you are trying to do already: date = models.DateTimeField(auto_now_add=True, blank=True) or date = models.DateTimeField(default=datetime.now, blank=True) The difference between the second example and what you currently have is the lack of parentheses. By passing datetime.now withou...
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The performance impact of using instanceof in Java

...y heavy use of the instanceof operator. While I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any performance impact? Is is just as fast as == ? ...
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How do you comment out code in PowerShell?

... PowerShell V2 <# #> can be used for block comments and more specifically for help comments. #REQUIRES -Version 2.0 <# .SYNOPSIS A brief description of the function or script. This keyword can be used only once in each topic. .DESCRIPTION A detailed description of the function...
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Numpy `logical_or` for more than two arguments

... no, as the docs explicitly say, the only parameters are x1, x2, and optionally out: numpy.logical_or(x1, x2[, out]) = <ufunc 'logical_or'> You can of course chain together multiple logical_or calls like this: >>> x = np.array([True, True, False, False]) >>> y = np.a...
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How do I load the contents of a text file into a javascript variable?

...echange = function() { alert(client.responseText); } client.send(); Normally speaking, though, XMLHttpRequest isn't available on all platforms, so some fudgery is done. Once again, your best bet is to use an AJAX framework like jQuery. One extra consideration: this will only work as long as foo....
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Should I use char** argv or char* argv[]?

... As you are just learning C, I recommend you to really try to understand the differences between arrays and pointers first instead of the common things. In the area of parameters and arrays, there are a few confusing rules that should be clear before going on. First, what ...
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How to use/install gcc on Mac OS X 10.8 / Xcode 4.4

... Apple LLVM version 6.0 (clang-600.0.51) (based on LLVM 3.5svn) Target: x86_64-apple-darwin14.0.0 Thread model: posix So am I using gcc? – Thomas Dec 14 '14 at 16:11 ...
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How can I show dots (“…”) in a span with hidden overflow?

... standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book</span> JSFiddle share | improve this answer ...
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Why does MYSQL higher LIMIT offset slow the query down?

...e improvement. If there is no index usable by ORDER BY or the index covers all fields you need, you don't need this workaround. – Quassnoi Nov 24 '11 at 18:13 ...