I have the following code: publicSecurityFilterChainsecurityFilterChain(HttpSecurityhttp)throwsException{returnhttp.httpBasic().disable().cors().and().csrf().disable().authorizeHttpRequests().requestMatchers("

How to use Java to develop a single sign-on system based on SpringSecuritySAML Introduction: With the rapid development of the Internet, more and more applications are developed. In these applications, user login is one of the most common features. However, for enterprise-level applications, users need to log in in multiple systems, which will lead to a very poor user login experience. In order to solve this problem, the single sign-on system (SingleSign-On, referred to as SSO) came into being. simple

I'm currently writing a Golang+CGO program and will be using posixucontext in CGO. Since all my core logic will be in ucontext's bind function, we should catch all errors in the code. I tested it by accessing a null pointer, which gave me completely different behavior, all depending on the stack location used by the ucontext. Below are more details with simplified examples. If I allocate the ucontext stack on the thread's stack, it triggers SIGSEGV. But if I allocate it on the heap, it triggers SIGSEGV first and then SIGT when morestack_noctxt is called

How to solve the C++ runtime error: 'stackoverflow' In a C++ program, when the recursion level is too deep or the memory used by the program exceeds the stack capacity, a runtime error "stackoverflow" will occur. When this error occurs, the program crashes, and it is difficult to identify the specific cause. This article will introduce some ways to solve 'stackoverflow' errors and provide some code examples. The main cause of the runtime error "stackoverflow" is that within the stack

Yes, C++ Lambda expressions can support recursion by using std::function: Use std::function to capture a reference to a Lambda expression. With a captured reference, a Lambda expression can call itself recursively.

Reasons for a C++ program to crash when starting include: missing required libraries or dependencies, uninitialized pointers or reference stack overflows, segfaults, operating system configuration issues, program errors, hardware issues

The recursive algorithm solves structured problems through function self-calling. The advantage is that it is simple and easy to understand, but the disadvantage is that it is less efficient and may cause stack overflow. The non-recursive algorithm avoids recursion by explicitly managing the stack data structure. The advantage is that it is more efficient and avoids the stack. Overflow, the disadvantage is that the code may be more complex. The choice of recursive or non-recursive depends on the problem and the specific constraints of the implementation.

The impact of functions on C++ program performance includes function call overhead, local variable and object allocation overhead: Function call overhead: including stack frame allocation, parameter transfer and control transfer, which has a significant impact on small functions. Local variable and object allocation overhead: A large number of local variable or object creation and destruction can cause stack overflow and performance degradation.