大约有 42,000 项符合查询结果（耗时：0.0792秒） [XML]
Check if a number is int or float
...ered Dec 27 '10 at 19:16
user225312user225312
100k6060 gold badges158158 silver badges179179 bronze badges
...
Detect viewport orientation, if orientation is Portrait display alert message advising user of instr
...
31 Answers
31
Active
...
What is the maximum number of characters that nvarchar(MAX) will hold?
...
3 Answers
3
Active
...
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.
...
Cron and virtualenv
...
gak
28.4k2323 gold badges107107 silver badges149149 bronze badges
answered Jul 20 '10 at 4:40
arsars
...
How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
...
3 Answers
3
Active
...
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...
Rails.env vs RAILS_ENV
...
371
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
...
3 Answers
3
Active
...