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Is mongodb running?
...our OS
or
/etc/init.d/mongodb status # for MongoDB version < 2.6
/etc/init.d/mongod status # for MongoDB version >= 2.6
or
service mongod status
to see if mongod is running (you need to be root to do this, or prefix everything with sudo). Please note that the 'grep...
How to import and use different packages of the same name in Go language?
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2 Answers
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How do I calculate the normal vector of a line segment?
Suppose I have a line segment going from (x1,y1) to (x2,y2). How do I calculate the normal vector perpendicular to the line?
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Using os.walk() to recursively traverse directories in Python
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233
This will give you the desired result
#!/usr/bin/python
import os
# traverse root directory...
Single huge .css file vs. multiple smaller specific .css files? [closed]
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edited May 20 '15 at 10:55
answered Sep 20 '12 at 10:51
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What does it mean when git says a file “needs update”?
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edited Apr 18 '10 at 4:20
answered Apr 18 '10 at 3:17
Mi...
How can I initialize an ArrayList with all zeroes in Java?
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432
The integer passed to the constructor represents its initial capacity, i.e., the number of eleme...
Good introduction to the .NET Reactive Framework [closed]
...needs or expectations, let me (the Author) know and we will do better for v2.
Thanks for the link to the Hot/Cold post. This is only one part of the full series,
Introduction to Rx
Static and extension methods
Lifetime management – Completing and Unsubscribing
Flow control
Combining multiple I...
For every character in string
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426
Looping through the characters of a std::string, using a range-based for loop (it's from C++11...