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How does autowiring work in Spring?
...nt for a Spring-MVC application is the DispatcherServlet, but it is hidden from you, and hence the direct interaction and bootstrapping of the application context happens behind the scene.
UserServiceImpl should also be defined as bean - either using <bean id=".." class=".."> or using the @Ser...
How do I get the name of the current executable in C#?
...g program, that is the executable name of the program. In C/C++ you get it from args[0] .
20 Answers
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Access POST values in Symfony2 request object
...er anywhere. In a controller in Symfony2, I want to access the POST value from one of my forms. In the controller I have:
...
Error when changing to master branch: my local changes would be overwritten by checkout
...le and the branch that you are switching to has changes for this file too (from latest merge point).
Your options, as I see it, are - commit, and then amend this commit with extra changes (you can modify commits in git, as long as they're not pushed); or - use stash:
git stash save your-file-name
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JSON, REST, SOAP, WSDL, and SOA: How do they all link together
... developing a web-application and you decide to decouple the functionality from the presentation of the application, because it affords greater freedom.
You create an API and let others implement their own front-ends over it as well. What you just did here is implement an SOA methodology, i.e. usi...
What happens if you call erase() on a map element while iterating from begin to end?
...C++03
Erasing elements in a map does not invalidate any iterators.
(apart from iterators on the element that was deleted)
Actually inserting or deleting does not invalidate any of the iterators:
Also see this answer:
Mark Ransom Technique
But you do need to update your code:
In your code you i...
If list index exists, do X
...
In Python negative indexes on lists just count backwards from the end of the list. So they could not exist in a way that impacts the length of the list.
– JonathanV
Aug 7 '19 at 18:00
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How to execute an external program from within Node.js?
Is it possible to execute an external program from within node.js? Is there an equivalent to Python's os.system() or any library that adds this functionality?
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How to automatically install Ansible Galaxy roles?
... you require, using any of a variety of install methods:
# Install a role from the Ansible Galaxy
- src: dfarrell07.opendaylight
# Install a role from GitHub
- name: opendaylight
src: https://github.com/dfarrell07/ansible-opendaylight
# Install a role from a specific git branch
- name: opendayl...
How to efficiently count the number of keys/properties of an object in JavaScript?
...d be removed or overridden you might get unexpected results. By calling it from Object.prototype it makes it little more robust. The reason for using call is because you want to invoke the method on obj instead of on the prototype.
– Renaat De Muynck
May 23 '12...