大约有 3,000 项符合查询结果（耗时：0.0528秒） [XML]
Print current call stack from a method in Python code
...
Here's a variation of @RichieHindle's excellent answer which implements a decorator that can be selectively applied to functions as desired. Works with Python 2.7.14 and 3.6.4.
from __future__ import print_function
import functools
import traceback
import sys
I...
Testing HTML email rendering [closed]
...newsletters and e-blasts that gatewaypeople.com sends to it's subscribers. Excellent tool with insightful viewing of all popular email clients!
– scarver2
Jun 27 '13 at 12:50
...
How to run SQL script in MySQL?
...
Excellent advice from @elcuco! Also, probably use another flag after -p (or have that be the last arg) so another parameter is not erroneously taken to be the intended password.
– davernator
...
How do I use the CONCAT function in SQL Server 2008 R2?
...NULL(CAST(data2 AS varchar(MAX)), '')
These two solutions collate several excellent answers and caveats raised by other posters including @Martin Smith, @Svish and @vasin1987.
These options add NULL to '' (empty string) casting for safe NULL handling while accounting for the varying behaviour of t...
How to make good reproducible pandas examples
...at need a special but easily shared dataframe, like this one I build it in excel, copy it to my clipboard, then instruct SOers to do the same. Saves so much time!
– zelusp
Apr 13 '16 at 17:32
...
what’s the difference between Expires and Cache-Control headers?
...
Heroku devcenter has an excellent article on this subject.
Quoting from it,
While the Cache-Control header turns on client-side caching and sets the max-age of a resource, the Expires header is used to specify a specific point in time the reso...
Why doesn't Java offer operator overloading?
...
This is an excellent answer. I disagree with it, but it's still an excellent answer. I think the problems that are possible with bad overloads exceed the value of the good overloads.
– Douglas Leeder
...
How does one capture a Mac's command key via JavaScript?
...
For people using jQuery, there is an excellent plugin for handling key events:
jQuery hotkeys on GitHub
For capturing ⌘+S and Ctrl+S I'm using this:
$(window).bind('keydown.ctrl_s keydown.meta_s', function(event) {
event.preventDefault();
// Do some...
How to select the nth row in a SQL database table?
... and above has this feature built-in. Use the ROW_NUMBER() function. It is excellent for web-pages with a << Prev and Next >> style browsing:
Syntax:
SELECT
*
FROM
(
SELECT
ROW_NUMBER () OVER (ORDER BY MyColumnToOrderBy) AS RowNum,
*
FROM...
Cannot ignore .idea/workspace.xml - keeps popping up
...t I was missing was to make sure my IDE was closed - don't miss that step! Excellent answer :)
– Jonny Asmar
Jan 14 '17 at 18:40
...