The simplest way is to add the data to the request. Since this is a forward, the same request is passed around to different handlers within the server. As example, let’s start with a simple setup of two controllers, one forwarding to the other: @Controller public class TestController { @RequestMapping(value=”/test”) public String showTestPage() { return … Read more
Don’t pass the results to printf. pass them to vprintf. vprintf specifically exists to handle passing in va_list arguments. From the Linux man page: #include <stdio.h> int printf(const char *format, …); int fprintf(FILE *stream, const char *format, …); int sprintf(char *str, const char *format, …); int snprintf(char *str, size_t size, const char *format, …); #include … Read more
As of the LLVM Compiler version shipped with Xcode 4.3, if you try to call a method that the compiler has not previously seen, it will look in the rest of the current @implementation block to see if that method has been declared later. If so, then it uses that, and you don’t get a … Read more
redirect sets the response status to 302 [1], and the new url in a Location header, and sends the response to the browser. Then the browser, according to the http specification, makes another request to the new url forward happens entirely on the server. The servlet container just forwards the same request to the target … Read more
First of all, the term “redirect” is in web development world the action of sending the client an empty HTTP response with just a Location header with therein the new URL on which the client has to send a brand new GET request. So basically: Client sends a HTTP request to somepage.xhtml. Server sends a … Read more
In the web development world, the term “redirect” is the act of sending the client an empty HTTP response with just a Location header containing the new URL to which the client has to send a brand new GET request. So basically: Client sends a HTTP request to some.jsp. Server sends a HTTP response back … Read more
A common misunderstanding among starters is that they think that the call of a forward(), sendRedirect(), or sendError() would magically exit and “jump” out of the method block, hereby ignoring the remnant of the code. For example: protected void doXxx() { if (someCondition) { sendRedirect(); } forward(); // This is STILL invoked when someCondition is … Read more