大约有 48,000 项符合查询结果（耗时：0.0674秒） [XML]
When to use static classes in C# [duplicate]
...ation of helper methods that would otherwise lie around causing redundancy and maintenance hell. They're very easy to use, no instantiation, no disposal, just fire'n'forget. I guess this was my first unwitting attempt at creating a service-oriented architecture - lots of stateless services that just...
Location of parenthesis for auto-executing anonymous JavaScript functions?
...ing the current version of json2.js with the version I had in my project and noticed a difference in how the function expression was created and self executed.
...
Python Requests and persistent sessions
...n 2.5).
I have figured out how to submit data to a login form on a website and retrieve the session key, but I can't see an obvious way to use this session key in subsequent requests.
Can someone fill in the ellipsis in the code below or suggest another approach?
...
Moving decimal places over in a double
...Decimal.
The problem you have is that 0.1 is not an exact representation, and by performing the calculation twice, you are compounding that error.
However, 100 can be represented accurately, so try:
double x = 1234;
x /= 100;
System.out.println(x);
which prints:
12.34
This works because Doub...
Max or Default?
... isn't implemented in LINQ to SQL, I did a search on the error it returned and found a fascinating article that deals with null sets in aggregate functions. To summarize what I found, you can get around this limitation by casting to a nullable within your select. My VB is a little rusty, but I think...
Node.js or Erlang
I really like these tools when it comes to the concurrency level it can handle.
9 Answers
...
How to avoid overflow in expr. A * B - C * D
...
Both long long and double are 64 bits. Since double has to allocate some bits for the exponent, it has a smaller range of possible values without loss of precision.
– Jim Garrison
Nov 5 '12 at 19:03
...
Where do I find the definition of size_t?
...
From Wikipedia
The stdlib.h and stddef.h header files define a datatype called size_t1 which is used to represent the size of an object. Library functions that take sizes expect them to be of type size_t, and the sizeof operator evaluates to size_t.
The...
Styles.Render in MVC4
... I dont get it....why go to all the trouble to create bundles and add those paths to these crazy classes in MVC when you can simply add a CSS <link> to the file in your web page? If you add all your CSS links to your style sheets in say a layout file or a partial view you can mana...
How to fire AJAX request Periodically?
...r refresh the page after every 5 seconds. But I want to do it using jQuery and AJAX call. Is it possible?
4 Answers
...