大约有 45,000 项符合查询结果(耗时:0.0598秒) [XML]
How do you print in Sublime Text 2
Sublime Text 2 seems like a great editor. I just started using it a week ago in eval mode and it doesn't seem to have any printing functionality. This seems preposterous to me, but I can't find it anywhere.
...
How can I time a code segment for testing performance with Pythons timeit?
...
280
You can use time.time() or time.clock() before and after the block you want to time.
import t...
Why does Go have a “goto” statement
...e-09 {
goto small
}
z = z / x
x = x + 1
}
for x < 2 {
if x < 1e-09 {
goto small
}
z = z / x
x = x + 1
}
if x == 2 {
return z
}
x = x - 2
p = (((((x*_gamP[0]+_gamP[1])*x+_gamP[2])*x+_gamP[3])*x+_gamP[4])*x+_gamP[5])*x + _gamP[6]
q = ...
How to prevent http file caching in Apache httpd (MAMP)
...
321
+50
Tried th...
Determine what attributes were changed in Rails after_save callback?
... through Rails 5.1 (but is deprecated in 5.1 and has breaking changes in 5.2). You can read about the change in this pull request.
In your after_update filter on the model you can use _changed? accessor. So for example:
class SomeModel < ActiveRecord::Base
after_update :send_notification_aft...
How to write LaTeX in IPython Notebook?
... |
edited Jun 18 '14 at 12:36
katahdin
34955 silver badges1616 bronze badges
answered May 21 '13 at 1:1...
javascript remove “disabled” attribute from html input
...
201
Set the element's disabled property to false:
document.getElementById('my-input-id').disabled...
Mounting multiple volumes on a docker container?
...
272
Pass multiple -v arguments.
For instance:
docker -v /on/my/host/1:/on/the/container/1 \
...
Sending HTML email using Python
...
From Python v2.7.14 documentation - 18.1.11. email: Examples:
Here’s an example of how to create an HTML message with an alternative plain text version:
#! /usr/bin/python
import smtplib
from email.mime.multipart import MIMEMult...
Drop rows with all zeros in pandas data frame
...
12 Answers
12
Active
...
