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Calculating the difference between two Java date instances
... is kind of subjective, especially on days. You may:
count the number of 24h elapsed time: day+1 - day = 1 day = 24h
count the number of elapsed time, taking care of daylight savings: day+1 - day = 1 = 24h (but using midnight time and daylight savings it could be 0 day and 23h)
count the number of...
Combine two ActiveRecord::Relation objects
...n, not union.
– Andrew Marshall
Dec 24 '13 at 23:52
5
For future reference, #or method has been a...
What is Cache-Control: private?
...an send the last rowversion as an ETag, rather than a date:
200 OK
ETag: "247986"
My ETag can be the SHA1 hash of a static resource (e.g. image, js, css, font), or of the cached rendered page (i.e. this is what the Mozilla MDN wiki does; they hash the final markup):
200 OK
ETag: "33a64df551425fc...
How to clone all repos at once from GitHub?
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answered Oct 24 '13 at 21:40
Thomas KelleyThomas Kelley
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Python: most idiomatic way to convert None to empty string?
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SilentGhostSilentGhost
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DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
... with try / except.
– tomwolber
Apr 24 '13 at 1:24
3
Why use IntegrityError and not the base clas...
Why do we need fibers
...00/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45...
How does the const constructor actually work?
...00/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45...
Reshaping data.frame from wide to long format
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AnikoAniko
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How to save an activity state using save instance state?
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edited Dec 24 '19 at 14:48
Zhar
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a...