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MongoDB inserts float when trying to insert integer
...ed to explicitly specify what type of number we want to use e.g. NumberInt or NumberLong. docs.mongodb.org/manual/core/shell-types
– Yadu
Sep 19 '13 at 16:31
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When to wrap quotes around a shell variable?
Could someone tell me whether or not I should wrap quotes around variables in a shell script?
5 Answers
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Why do we need the “finally” clause in Python?
...akes a difference if you return early:
try:
run_code1()
except TypeError:
run_code2()
return None # The finally block is run before the method returns
finally:
other_code()
Compare to this:
try:
run_code1()
except TypeError:
run_code2()
return None
other_code() ...
What does it mean by buffer?
I see the word "BUFFER" everywhere, but I am unable to grasp what it exactly is.
8 Answers
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Under what conditions is a JSESSIONID created?
...n is created. Session is created when your code calls request.getSession() or request.getSession(true) for the first time. If you just want to get the session, but not create it if it doesn't exist, use request.getSession(false) -- this will return you a session or null. In this case, new session is...
How to use NSCache
Can someone give an example on how to use NSCache to cache a string?
Or anyone has a link to a good explanation? I can't seem to find any..
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Who is “us” and who is “them” according to Git?
..., you can find some files marked as deleted by us in the git status report. Who is us according to Git and why?
2 Ans...
Why does ++[[]][+[]]+[+[]] return the string “10”?
This is valid and returns the string "10" in JavaScript ( more examples here ):
9 Answers
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Python argparse mutual exclusive group
...t makes options within the group mutually exclusive.
What you're looking for is subcommands. Instead of prog [ -a xxxx | [-b yyy -c zzz]], you'd have:
prog
command 1
-a: ...
command 2
-b: ...
-c: ...
To invoke with the first set of arguments:
prog command_1 -a xxxx
To invoke...
When serving JavaScript files, is it better to use the application/javascript or application/x-javas
... in the title. And to add some context: I'm not asking what is the best according to what the specs are saying, but rather what works the best given the mix of browsers deployed nowadays.
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