大约有 19,600 项符合查询结果（耗时：0.0340秒） [XML]
Rotating x axis labels in R for barplot
...is should be the accepted answer. Works perfectly using a parameter of the base barplot function used in the question.
– jwhaley58
Nov 8 '16 at 15:06
1
...
RESTful Authentication via Spring
Problem:
We have a Spring MVC-based RESTful API which contains sensitive information. The API should be secured, however sending the user's credentials (user/pass combo) with each request is not desirable. Per REST guidelines (and internal business requirements), the server must remain stateless. ...
Shortcut for creating single item list in C#
...
A different answer to my earlier one, based on exposure to the Google Java Collections:
public static class Lists
{
public static List<T> Of<T>(T item)
{
return new List<T> { item };
}
}
Then:
List<string> x = Lists...
How do I get the current absolute URL in Ruby on Rails?
... method, but if you're curious, the implementation is:
def original_url
base_url + original_fullpath
end
For Rails 3:
You can write "#{request.protocol}#{request.host_with_port}#{request.fullpath}", since request.url is now deprecated.
For Rails 2:
You can write request.url instead of r...
What's the difference between JavaScript and JScript?
...s. One beautiful day, ECMA international came and said: let's make engines based on common standard, let's make something general to make life more easy and fun, and they made that standard.
Since all browser providers make their JavaScript engines based on ECMAScript core (standard).
For example, ...
Viewing complete strings while debugging in Eclipse
...
I can see only "data:image/bitmap;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDAAEBAQEBAQEBAQEBAQEBAQE... (length: 22869)". Set "Max Length" option not work and "Change value" also.
– falko
Jul 25 '14 at 14:04
...
What exception classes are in the standard C++ library
...system_error> from operating system or other C API
std::ios_base::failure <ios> Input or output error
Source: http://en.cppreference.com/w/cpp/error/exception
In practice, most exceptions are custom exceptions derived from logic_error and runtime_error. Not that these are neg...
what is the difference between OLE DB and ODBC data sources?
...om page 7 of that book)
ODBC provides access only to relational databases
OLE DB provides the following features
Access to data regardless of its format or location
Full access to ODBC data sources and ODBC drivers
So it would seem that OLE DB interacts with SQL-based data...
Rails respond_with: how does it work?
...nders gem source code.
Original Answer
The code for the responders is based in a class and a module. MimeResponds which is included into ActionController::Base, the class your ApplicationController inherits from. Then there is ActionController::Responder which provides the default behavior when...
How do you find the row count for all your tables in Postgres
...t executes. You could automate this to run against every table in the database, but you probably don't need that level of accuracy or want to wait that long.
The second approach notes that the statistics collector tracks roughly how many rows are "live" (not deleted or obsoleted by later updates) ...