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Rails.env vs RAILS_ENV
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According to the docs, #Rails.env wraps RAILS_ENV:
# File vendor/rails/railties/lib/initi...
Path to Powershell.exe (v 2.0)
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I believe it's in C:\Windows\System32\WindowsPowershell\v1.0\. In order to confuse the innocent, MS kept it in a directory labeled "v1.0". Running this on Windows 7 and checking the version number via $Host.Version (Determine installed PowerShell version) show...
Does Dispose still get called when exception is thrown inside of a using statement?
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How to get the seconds since epoch from the time + date output of gmtime()?
...ou want calendar.timegm().
>>> calendar.timegm(time.gmtime())
1293581619.0
You can turn your string into a time tuple with time.strptime(), which returns a time tuple that you can pass to calendar.timegm():
>>> import calendar
>>> import time
>>> calendar.time...
Return number of rows affected by UPDATE statements
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Differences between std::make_unique and std::unique_ptr with new
... that this is no longer unsafe. See C++ committee papers P0400R0 and P0145R3.
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What is an MvcHtmlString and when should I use it?
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LeviLevi
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How do I ignore the initial load when watching model changes in AngularJS?
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+300
set a flag just before the initial load,
var initializing = true
and then when the first $watch fires, do
$scope.$watch('field...
When does invoking a member function on a null instance result in undefined behavior?
...stand is why it's undefined behavior to dereference a null pointer. In C++03, there's actually a bit of ambiguity here.
Although "dereferencing a null pointer results in undefined behavior" is mentioned in notes in both §1.9/4 and §8.3.2/4, it's never explicitly stated. (Notes are non-normative.)...