大约有 40,000 项符合查询结果（耗时：0.0291秒） [XML]
New Array from Index Range Swift
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
SQL Server Regular expressions in T-SQL
...
In case anyone else is still looking at this question, http://www.sqlsharp.com/ is a free, easy way to add regular expression CLR functions into your database.
share
|
improve th...
How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
...
Use the Post/Redirect/Get pattern. http://en.wikipedia.org/wiki/Post/Redirect/Get
With my website, I will store a message in a cookie or session, redirect after the post, read the cookie/session, and then clear the value of that session or cookie variable.
...
Django: multiple models in one template using forms [closed]
...nd most concise demonstration of multiple model entry in single form here: http://collingrady.wordpress.com/2008/02/18/editing-multiple-objects-in-django-with-newforms/ .
In a nutshell: Make a form for each model, submit them both to template in a single <form>, using prefix keyarg and have ...
What's the difference between ES6 Map and WeakMap?
...WeakMap allows garbage collector to do its task but not Map.
References: http://qnimate.com/difference-between-map-and-weakmap-in-javascript/
share
|
improve this answer
|
...
How do I run Python code from Sublime Text 2?
...ild
Fn + C (OSX)
You can find out where your Break key is here: http://en.wikipedia.org/wiki/Break_key.
Note: CTRL + C will NOT work.
What to do when Ctrl + Break does not work:
Go to:
Preferences -> Key Bindings - User
and paste the line below:
{"keys": ["ctrl+shift+c...
Is a colon `:` safe for friendly-URL use?
...
I recently wrote a URL encoder, so this is pretty fresh in my mind.
http://site/gwturl#user:45/comments
All the characters in the fragment part (user:45/comments) are perfectly legal for RFC 3986 URIs.
The relevant parts of the ABNF:
fragment = *( pchar / "/" / "?" )
pchar = ...
Iterating Over Dictionary Key Values Corresponding to List in Python
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Send message to specific client with socket.io and node.js
...t's trivial to add. Just add everything to the worker code. More docs here http://nodejs.org/api/cluster.html
share
|
improve this answer
|
follow
|
...
Unique fields that allow nulls in Django
...L for the purpose of uniqueness checks since ticket #9039 was fixed, see:
http://code.djangoproject.com/ticket/9039
The issue here is that the normalized "blank" value for a form CharField is an empty string, not None. So if you leave the field blank, you get an empty string, not NULL, stored in t...