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Merging objects (associative arrays)
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Now in 2016 I would say the best/standard way is Object.assign()
Pure Javascript. No jQuery is needed.
obj1 = {a: 1, b: 2};
obj2 = {a: 4, c: 110};
obj3 = Object.assign({},obj1, obj2); // Object {a: 4, b: 2, c: 110}
More i...
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 do I expand the output display to see more columns of a pandas DataFrame?
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Nowadays options can also be set as assignments to attributes of pd.options, e.g. pd.options.display.max_rows = 999
– unutbu
Jun 7 '15 at 0:19
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`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.
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How do I get the path and name of the file that is currently executing?
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BEWARE: This call does not give the same result with different environments. Consider accepting Usagi's answer below: stackoverflow.com/a/6628348/851398
– faraday
Mar 5 '14 at 7:41
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Node.js project naming conventions for files & folders
...ion not for directory structures. When we get to this topic, we expect to know if files are better named with dashes, underscores or camelCase. I will upvote, if this is added to this answer.
– Tronix117
Aug 4 '14 at 14:51
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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._...
Python != operation vs “is not”
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@viksit. None has few methods and almost no attributes. If your __eq__ test expected a method or attribute, it might break. def __eq__( self, other ): return self.size == other.size. For example, will break if other happens to be None.
– S.Lott
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How to initialize all members of an array to the same value?
I have a large array in C (not C++ if that makes a difference). I want to initialize all members of the same value.
23 ...
What are the mechanics of short string optimization in libc++?
...However, I would like to know in more detail how it works in practice, specifically in the libc++ implementation:
2 Answers...