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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...
Get current stack trace in Ruby without raising an exception
I want to log the current backtrace (stacktrace) in a Rails 3 app without an exception occurring. Any idea how?
3 Answers...
Adding a y-axis label to secondary y-axis in matplotlib
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3 Answers
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Active
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Stretch child div height to fill parent that has dynamic height
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edited Oct 5 '16 at 7:03
answered Nov 4 '13 at 13:44
Mr_...
How do I check if a SQL Server text column is empty?
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306
where datalength(mytextfield)=0
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Are custom elements valid HTML5?
...ate and provide script interfaces.
Custom elements is a part of a larger W3 specification called Web Components, along with Templates, HTML Imports, and Shadow DOM.
Web Components enable Web application authors to define widgets with a
level of visual richness and interactivity not possible with C...
Newline in JLabel
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edited Dec 11 '17 at 23:15
Nathan
5,59066 gold badges3939 silver badges6262 bronze badges
answered J...
Change navbar color in Twitter Bootstrap
...e your own Bootstrap navbar
Version notes:
- Online tool: Bootstrap 3.3.2+ / 4.0.0+
- This answer: Bootstrap 3.0.x
Available navbars
You've got two basic navbars:
<!-- A light one -->
<nav class="navbar navbar-default" role="navigation"></nav>
<!-- A dark one -->...
How can I recover a lost commit in Git?
First, got "your branch is ahead of origin/master by 3 commits" then my app has reverted to an earlier time with earlier changes.
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Redefining NULL
...casting a 0 constant to a pointer value must result in a NULL pointer (§6.3.2.3/3), and evaluating the null pointer as a boolean must be false. This can be a bit awkward if you really do want a zero address, and NULL is not the zero address.
Nevertheless, with (heavy) modifications to the compiler...