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When to use ref and when it is not necessary in C#
...: read my article on argument passing.
Long answer: when a reference type parameter is passed by value, only the reference is passed, not a copy of the object. This is like passing a pointer (by value) in C or C++. Changes to the value of the parameter itself won't be seen by the caller, but change...
git command to show all (lightweight) tags creation dates
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@revelt git >= 2.0 provides a sort param. Put a minus in to reverse the order. git tag -l --sort=-creatordate --format='%(creatordate:short)|%(refname:short)'
– con--
Apr 4 '19 at 13:24
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How does one use rescue in Ruby without the begin and end block
...n a lot with ActiveRecord validations:
def create
@person = Person.new(params[:person])
@person.save!
redirect_to @person
rescue ActiveRecord::RecordInvalid
render :action => :new
end
I think this is very lean code!
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How to close tag properly?
... <col> <area> <base>
<meta> <embed> <param>
<track> <wbr> <keygen> (HTML 5.2 Draft removed)
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Difference between ref and out parameters in .NET [duplicate]
What is the difference between ref and out parameters in .NET? What are the situations where one can be more useful than the other? What would be a code snippet where one can be used and another can't?
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What is the HMVC pattern?
...in HTML format. So you send a request to the comments Controller with some params, it interacts with the Model, picks a View, and the View displays the content. The only difference is you want the comments displayed inline, below the blog article the user is viewing instead of a completely separate ...
Spring: how do I inject an HttpServletRequest into a request-scoped bean?
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As suggested here you can also inject the HttpServletRequest as a method param, e.g.:
public MyResponseObject myApiMethod(HttpServletRequest request, ...) {
...
}
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git difftool, open all diff files immediately, not in serial
...-cached
git diffall rev1..rev2
etc...
Notes: The key to it is the & param which tells the external diff command to run in a background task so files are processed immediately. In the case of BeyondCompare this opens one screen with each file in its own tab.
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“sending 'const NSString *' to parameter of type 'NSString *' discards qualifiers” warning
...a%2f%2fstackoverflow.com%2fquestions%2f6828831%2fsending-const-nsstring-to-parameter-of-type-nsstring-discards-qualifier%23new-answer', 'question_page');
}
);
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Pagination in a REST web application
...(product) and should not be included as a part of the URL; only as a query parameter.
– Kingz
Apr 29 '14 at 18:13
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