大约有 15,000 项符合查询结果（耗时：0.0461秒） [XML]
Officially, what is typename for?
... were causing very strange compile errors that magically went away by prefixing the typename keyword to the beginning of the declaration... (For example, just last week, I was declaring two iterators as members of another templated class and I had to do this)...
...
Nullable Foreign Key bad practice?
... temporary I think you should skip the link table since it only adds complexity to the scheme.
On a side note; using a link table doesn't necessarily make it n to n, if you in the link table use the foreign key that's pointing to your orders table as the primary key in that link table the relations...
Isn't it silly that a tiny favicon requires yet another HTTP request? How can I put the favicon into
...t now, in June 2020, these browsers can handle SVG Favicons:
Chrome
Firefox
Edge
Opera
Chrome for Android
KaiOS Browser
Note that these browsers still can't:
Safari
iOS Safari
Firefox for Android
With the above in mind, we can now use SVG Favicons with a reasonable degree of confidence.
2) Pres...
Do while loop in SQL Server 2008
...t you can change your WHILE loop logic, so as to USE like DO-WHILE loop.
Examples are taken from here: http://blog.sqlauthority.com/2007/10/24/sql-server-simple-example-of-while-loop-with-continue-and-break-keywords/
Example of WHILE Loop
DECLARE @intFlag INT
SET @intFlag = 1
WHILE (@intFla...
Associativity of “in” in Python?
... ('a')
18 COMPARE_OP 6 (in) #this is never executed, so no Error
21 RETURN_VALUE
>> 22 ROT_TWO
23 POP_TOP
24 RETURN_VALUE
In [150]: def func1():
.....: return (1 i...
How do I perform HTML decoding/encoding using Python/Django?
...nerally, it is a good idea to stick with the standard library:
# Python 2.x:
import HTMLParser
html_parser = HTMLParser.HTMLParser()
unescaped = html_parser.unescape(my_string)
# Python 3.x:
import html.parser
html_parser = html.parser.HTMLParser()
unescaped = html_parser.unescape(my_string)
# &g...
Getting user input [duplicate]
...
In python 3.x, use input() instead of raw_input()
share
|
improve this answer
|
follow
|
...
Using Ajax.BeginForm with ASP.NET MVC 3 Razor
Is there a tutorial or code example of using Ajax.BeginForm within Asp.net MVC 3 where unobtrusive validation and Ajax exist?
...
What is the default form HTTP method?
... GET.
Take a look W3C Superceded Recommendation 17.3 The FORM element.
Excerpt:
<!ATTLIST FORM
%attrs; -- %coreattrs, %i18n, %events --
action %URI; #REQUIRED -- server-side form handler --
method (GET|POST) GET -- HTTP method us...
Does Parallel.ForEach limit the number of active threads?
...art 1000 threads - yes, it will limit how many threads are used. Parallel Extensions uses an appropriate number of cores, based on how many you physically have and how many are already busy. It allocates work for each core and then uses a technique called work stealing to let each thread process its...