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How to import data from mongodb to pandas?
...t
def _connect_mongo(host, port, username, password, db):
""" A util for making a connection to mongo """
if username and password:
mongo_uri = 'mongodb://%s:%s@%s:%s/%s' % (username, password, host, port, db)
conn = MongoClient(mongo_uri)
else:
conn = MongoCli...
Setup RSpec to test a gem (not Rails)
It is pretty easy with the added generator of rspec-rails to setup RSpec for testing a Rails application. But how about adding RSpec for testing a gem in development?
I am not using jeweler or such tools. I just used Bundler ( bundle gem my_gem ) to setup the structure for the new gem and edit the *...
Can lambda functions be templated?
...an foo invoke bar(x)? What constraints does the lambda have (the parameter for it is just a template, after all)?
Concepts weren't ready to tackle this sort of thing; it'd require more stuff like late_check (where the concept wasn't checked until invoked) and stuff. Simpler was just to drop it all ...
What's the difference between size_t and int in C++?
... the sizeof operator evaluates to size_t.
The actual type of size_t is platform-dependent; a common mistake is to assume size_t is the same as unsigned int, which can lead to programming errors, particularly as 64-bit architectures become more prevalent.
Also, check Why size_t matters
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jasmine: Async callback was not invoked within timeout specified by jasmine.DEFAULT_TIMEOUT_INTERVAL
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The same is true for args in describe (in angular, you need to call inject in describe to do that)
– Narretz
Oct 20 '14 at 9:57
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How does inheritance work for Attributes?
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Thanks for contributing an answer to Stack Overflow!Please be sure to answer the question. Provide details and share your research!But avoid …Asking for help, clarification, or responding to other answers.Making statements based o...
PHP how to get local IP of system
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This is the solution that worked for me and that avoids calling shells, operating system commands and all sorts of stuff that can open security holes or raise odd issues later.
– Dario Fumagalli
Jul 17 '14 at 10:59
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Can you supply arguments to the map(&:method) syntax in Ruby?
...rename the with method to call. In this case, ruby has a built in shortcut for this special method .().
So you could use the above like this:
class Symbol
def call(*args, &block)
->(caller, *rest) { caller.send(self, *rest, *args, &block) }
end
end
a = [1,3,5,7,9]
a.map(&:+...
How to find out where a function is defined?
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This still works well for me. I'd like to target where the function is being fired, instead of from where it's being defined.
– EHerman
May 7 '14 at 17:06
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OnCreateOptionsMenu() not called in Fragment
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yeah I found the issue . forgot to add getActionView() for searchView.
– Android_programmer_office
Nov 26 '13 at 20:29
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