forward

How to access site through IP address when website is on a shared host?

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According with the HTTP/1.1 standard, the shared IP hosted site can be accessed by a GET request with the IP as URL and a header of the host. Here there are two examples(wget and curl): $ wget –header ‘Host:somerandomservice.com’ http://67.225.235.59 $ curl –header ‘Host:somerandomservice.com’ http://67.225.235.59 Resources: https://en.wikipedia.org/wiki/Shared_web_hosting_service http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.23

What is the difference between redirect and navigation/forward and when to use what?

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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

C Programming: Forward variable argument list

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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

Why do two programs have forward referencing errors while the third does not?

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This is covered by section 8.3.3 of the JLS: Use of class variables whose declarations appear textually after the use is sometimes restricted, even though these class variables are in scope (ยง6.3). Specifically, it is a compile-time error if all of the following are true: The declaration of a class variable in a class or … Read more

Usage of std::forward vs std::move

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You cannot use std::forward without explicitly specifying its template argument. It is intentionally used in a non-deduced context. To understand this, you need to really understand how forwarding references (T&& for a deduced T) work internally, and not wave them away as “it’s magic.” So let’s look at that. template <class T> void foo(T &&t) … Read more

java.lang.IllegalStateException: Cannot (forward | sendRedirect | create session) after response has been committed

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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

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)