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Dump Mongo Collection into JSON format
Is there any way to dump mongo collection into json format? Either on the shell or using java driver.I am looking for the one with best performance.
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Mod in Java produces negative numbers [duplicate]
... 1 as the result of -1 % 2 .
What do I have to do to get the same behavior in Java with the modulo function?
5 Answers
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Difference between getContext() , getApplicationContext() , getBaseContext() and “this”
...y active Activity.
Activity.getApplicationContext(): Returns the context for the entire application (the process all the Activities are running inside
of). Use this instead of the current Activity context if you need a
context tied to the lifecycle of the entire application, not just the
current A...
How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?
So if I have to choose between a hash table or a prefix tree what are the discriminating factors that would lead me to choose one over the other. From my own naive point of view it seems as though using a trie has some extra overhead since it isn't stored as an array but that in terms of run time (a...
Why does a return in `finally` override `try`?
How does a return statement inside a try/catch block work?
10 Answers
10
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Link to reload current page
Is it possible to have a normal link pointing to the current location?
21 Answers
21
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Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
... (surely not optimal) implementations in C, Python, Erlang and Haskell. In order to get some higher execution times, I search for the first triangle number with more than 1000 divisors instead of 500 as stated in the original problem.
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Fastest way(s) to move the cursor on a terminal command line?
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Since this hasn't been closed yet, here are a few more options.
Use Ctrl+x followed by Ctrl+e to open the current line in the editor specified by $FCEDIT or $EDITOR or emacs (tried in that order).
If you ran the command earlier, hit Ctrl+r for a reverse history search and t...
What is the difference between a 'closure' and a 'lambda'?
...c(): return h
def anotherfunc(h):
return func()
This will cause an error, because func does not close over the environment in anotherfunc - h is undefined. func only closes over the global environment. This will work:
def anotherfunc(h):
def func(): return h
return func()
Because her...
How do I get list of all tables in a database using TSQL?
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SQL Server 2000, 2005, 2008, 2012, 2014, 2016, 2017 or 2019:
SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE='BASE TABLE'
To show only tables from a particular database
SELECT TABLE_NAME
FROM <DATABASE_NAME>.INFORMATION_SCHEMA.TABLES
WHERE TABLE_TYPE = 'B...