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How can I use a local image as the base image with a dockerfile?
...
I don't know any more, I'm also now on 1.5
– Anentropic
Apr 21 '15 at 12:37
1
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Is there a replacement for unistd.h for Windows (Visual C)?
...te Unix file.
Here's a starting point. Please add definitions as needed.
#ifndef _UNISTD_H
#define _UNISTD_H 1
/* This is intended as a drop-in replacement for unistd.h on Windows.
* Please add functionality as neeeded.
* https://stackoverflow.com/a/826027/1202830
*/
#include <stdlib.h&g...
Why is __dirname not defined in node REPL?
... Also you can't use some of the Global variables inside RequireJS modules. If you use RequireJS on the server side, see stackoverflow.com/questions/9027429/….
– Eye
Nov 5 '12 at 8:25
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List comprehension vs map
... {x:x**2 for x in rangeNeg5}
)
Efficiency comparison for python3
map is now lazy:
% python3 -mtimeit -s 'xs=range(1000)' 'f=lambda x:x' 'z=map(f,xs)'
1000000 loops, best of 3: 0.336 usec per loop ^^^^^^^^^
Therefore if you will not be using all your data, or do not know ahead of tim...
How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc
...
Programming Perl - chapter 31 part 13, ch 7.2.41
How does a Perl program know where to find the file containing Perl module it uses?
There does not seem to be a comprehensive @INC FAQ-type post on Stack Overflow, so this question is intended as one.
When to use each approach?
If the modules in...
What is __future__ in Python used for and how/when to use it, and how it works
... the __future__ stuff, both print statements would print 1.
The internal difference is that without that import, / is mapped to the __div__() method, while with it, __truediv__() is used. (In any case, // calls __floordiv__().)
Apropos print: print becomes a function in 3.x, losing its special pro...
`if __name__ == '__main__'` equivalent in Ruby
...ules and scripts are supposed to stay separate, so I wouldn't be surprised if there isn't really a good, clean way of doing this.
EDIT: Found it.
if __FILE__ == $0
foo()
bar()
end
But it's definitely not common.
...
Python unit test with base and sub class
...ling SubTest2:testSub2'
sub = 4
self.assertEquals(sub, 4)
if __name__ == '__main__':
unittest.main()
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How to implement a binary tree?
...f getRoot(self):
return self.root
def add(self, val):
if self.root is None:
self.root = Node(val)
else:
self._add(val, self.root)
def _add(self, val, node):
if val < node.v:
if node.l is not None:
self._...
In pure functional languages, is there an algorithm to get the inverse function?
...n this result, as well as the number of times it can have called f. Define now a family of functions
g j (B1 : B0 : ... (n+j times) ... B0 : ls)
= B0 : ... (n+j times) ... B0 : B1 : ls
g j (B0 : ... (n+j times) ... B0 : B1 : ls)
= B1 : B0 : ... (n+j times) ... B0 : ls
g j l = l
Clearly, for...