大约有 19,000 项符合查询结果（耗时：0.0321秒） [XML]
What Content-Type value should I send for my XML sitemap?
...s" of application/xml registration in Section 3.2).
For text/xml:
Conformant with [RFC2046], if a text/xml entity is received with
the charset parameter omitted, MIME processors and XML processors
MUST use the default charset value of "us-ascii"[ASCII]. In cases
where the XML MIME entit...
Check if at least two out of three booleans are true
...
I prefer the purely binary form: return ((a^b) & c) | (a & b). It is branch-less (faster) and easy to read : (a or b is true and c is true) or (a and b are both true). Note that (a|b) and (a^b) both work with this formula.
...
What are good alternatives to SQL (the language)? [closed]
... SQL in your applications. These alternatives have been implemented in the form of frontends for working with relational databases. Some examples of a frontend include:
SchemeQL and CLSQL, which are probably the most flexible, owing to their Lisp heritage, but they also look like a lot more like S...
Turn a number into star rating display using jQuery and CSS
...Tatu, thanks immensely. The existing five star plugins all seem to want a form which is fine for inputing a rating, but way overkill to change the representation of a number.
– vfilby
Apr 12 '10 at 19:22
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Difference between len() and .__len__()?
...e even more added value beyond simple sanity checks and readability. By uniformly designing all of Python to work via calls to builtins and use of operators, never through calls to magic methods, programmers are spared from the burden of remembering which case is which. (Sometimes an error slips in...
get dictionary key by value
...bject.
– Jim Yarbro
Aug 29 '17 at 9:01
12
@JimYarbro: since KeyValuePair<Tkey,Tvalue> is a ...
How do I parallelize a simple Python loop?
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Sven MarnachSven Marnach
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How many and which are the uses of “const” in C++?
... really 2 main uses of const in C++.
Const values
If a value is in the form of a variable, member, or parameter that will not (or should not) be altered during its lifetime you should mark it const. This helps prevent mutations on the object. For instance, in the following function I do not nee...
What kind of Garbage Collection does Go use?
...cted.
Start the collector too early, and the application will perform too many garbage collections, wasting CPU resources.
Start the collector too late, and the application will exceed the desired maximum heap growth.
Achieving the right balance without sacrificing concurrenc...
How to create materialized views in SQL Server?
... white papers for more background:
Creating an Indexed View
Improving Performance with SQL Server 2008 Indexed Views
Basically, all you need to do is:
create a regular view
create a clustered index on that view
and you're done!
The tricky part is: the view has to satisfy quite a number of...