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Spring: @Component versus @Bean

...ng do it automatically as above. It decouples the declaration of the bean from the class definition, and lets you create and configure beans exactly how you choose. To answer your question... would it have been possible to re-use the @Component annotation instead of introducing @Bean annotatio...
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Add context path to Spring Boot application

...tically. The reason for the context root is we want the app to be accessed from localhost:port/{app_name} and have all the controller paths append to it. ...
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Why do x86-64 systems have only a 48 bit virtual address space?

... Where does the 4 come from in the 4 petabytes? If we're talking 64 address lines we should end up with the square of the address space made possible by 32 address lines which is 4 gigabytes. Square that and we should have 16, not 4 petabytes. Am I...
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Using vagrant to run virtual machines with desktop environment

... I just got this working with basically three steps. The advice from askubuntu.com didn't quite work for me, so try this simplified version: Get a basic Ubuntu image working. You should be able to boot it and vagrant ssh. Next, enable the VirtualBox display, which is off by default. Hal...
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What is the difference between Bower and npm?

... Actually, a path is also a tree. It is just a special case. From WikiPedia: "In mathematics, and more specifically in graph theory, a tree is an undirected graph in which any two vertices are connected by exactly one path." – Jørgen Fogh Dec 25 ...
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iphone/ipad: How exactly use NSAttributedString?

...es convenience methods for setting the attributes of an NSAttributedString from UIKit classes. From the sample provided in the repo: #import "NSAttributedString+Attributes.h" #import "OHAttributedLabel.h" /**(1)** Build the NSAttributedString *******/ NSMutableAttributedString* attrStr = [NSMutab...
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Duplicate symbols for architecture x86_64 under Xcode

...loaded same functions twice. As the issue disappear after removing -ObjC from Other Linker Flags, this means that this option result that functions loads twice: from Technical Q&A This flag causes the linker to load every object file in the library that defines an Objective-C class or ...
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Does PHP have threading?

... From the PHP manual for the pthreads extension: pthreads is an Object Orientated API that allows user-land multi-threading in PHP. It includes all the tools you need to create multi-threaded applications targeted at the W...
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In what cases do I use malloc and/or new?

...typesafe in any meaningful way. In C++ you are required to cast the return from void*. This potentially introduces a lot of problems: #include <stdlib.h> struct foo { double d[5]; }; int main() { foo *f1 = malloc(1); // error, no cast foo *f2 = static_cast<foo*>(malloc(sizeof(f...
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How to get function parameter names/values dynamically?

... This is already provided in a local variable named arguments. excerpt from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions_and_function_scope/arguments: The arguments object is not an Array. It is similar to an Array, but does not have any Array properties except le...