大约有 41,400 项符合查询结果(耗时:0.0688秒) [XML]
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.
...
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
...
Stretch child div height to fill parent that has dynamic height
... |
edited Oct 5 '16 at 7:03
answered Nov 4 '13 at 13:44
Mr_...
How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
...
3 Answers
3
Active
...
Newline in JLabel
... |
edited Dec 11 '17 at 23:15
Nathan
5,59066 gold badges3939 silver badges6262 bronze badges
answered J...
Change one value based on another value in pandas
...for you.
import pandas
df = pandas.read_csv("test.csv")
df.loc[df.ID == 103, 'FirstName'] = "Matt"
df.loc[df.ID == 103, 'LastName'] = "Jones"
As mentioned in the comments, you can also do the assignment to both columns in one shot:
df.loc[df.ID == 103, ['FirstName', 'LastName']] = 'Matt', 'Jones...
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...
