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When should I use File.separator and when File.pathSeparator?
...ix path like /var/temp then it's useless to use File.separator since you already have platform-dependent code. Might as well hardcode the path.
– isapir
Nov 15 '16 at 18:25
a...
On logout, clear Activity history stack, preventing “back” button from opening logged-in-only Activi
...sage that a new Android programmer spends a day researching this issue and reading all of these StackOverflow threads. I am now newly initiated and I leave here trace of my humble experience to help a future pilgrim.
First, there is no obvious or immediate way to do this per my research (as of Sept...
Get generated id after insert
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I read on specs. "Returns: the row ID of the newly inserted row, or -1 if an error occurred" the rowId is the same as my generated field "id primary key autoincrement" ?
– Marcos Vasconcelos
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Select multiple columns in data.table by their numeric indices
...nswer to announce the change up top. (And please -- you or anyone else who reads this -- feel free to ping me with a reminder as soon as that happens.)
– Josh O'Brien
Aug 24 '15 at 23:28
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Find running median from a stream of integers
Solution I have read: We can use a max heap on left side to represent elements that are less than the effective median, and a min heap on right side to represent elements that are greater than the effective median.
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Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?
...to do C++ and ran into that exact same issue quite a few times. I recently read about Scala having "traits" that to me seem like something in between the "C++" way and the "Java" way of doing things.
– Niels Basjes
Jul 29 '10 at 21:04
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When is a function too long? [closed]
...design deficiencies. Whenever I encounter code that is an absolute joy to read, it's elegance is immediately apparent. And guess what: the functions are often very short in length.
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How to overcome root domain CNAME restrictions?
...ates domain names without subdomain in front of them are not valid. If you read the RFC carefully, however, you'll find that this is not exactly what it says. In fact, RFC 1912 states:
Don't go overboard with CNAMEs. Use them when renaming hosts, but plan to get rid of them (and inform your user...
What is the standard Python docstring format? [closed]
...uide contains an excellent Python style guide. It includes conventions for readable docstring syntax that offers better guidance than PEP-257. For example:
def square_root(n):
"""Calculate the square root of a number.
Args:
n: the number to get the square root of.
Returns:
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How to get the seconds since epoch from the time + date output of gmtime()?
...cause a search engine told you this is how to get the Unix timestamp, stop reading this answer. Scroll down one.
If you want to reverse time.gmtime(), you want calendar.timegm().
>>> calendar.timegm(time.gmtime())
1293581619.0
You can turn your string into a time tuple with time.strptim...