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Can I pass parameters by reference in Java?
...odbye"; } //NOT THE SAME o!
Will print Hello to the console. The options if you wanted the above code to print Goodbye are to use an explicit reference as follows:
AtomicReference<Object> ref = new AtomicReference<Object>("Hello");
mutate(ref);
System.out.println(ref.get()); //Goodbye...
Search all tables, all columns for a specific value SQL Server [duplicate]
I have a specific value, let's say string 'comments'. I need to find all instances of this in the database as I need to do an update on the format to change it to (*) Comments.
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How can I visualize per-character differences in a unified diff file?
...y I get a patch created with git format-patch . The file is basically a unified diff with some metadata. If I open the file in Vim, I can see which lines have been modified, but I cannot see which characters in the changed lines differ. Does anyone know a way (in Vim, or some other free software ...
Why does Hibernate require no argument constructor?
...ate instantiates your objects. So it needs to be able to instantiate them. If there isn't a no-arg constructor, Hibernate won't know how to instantiate it, i.e. what argument to pass.
The hibernate documentation says:
4.1.1. Implement a no-argument constructor
All persistent classes must have...
What is the maximum depth of the java call stack?
...
if we don't mention the Xss, then?
– a3.14_Infinity
Jul 4 '16 at 7:52
add a comment
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What does default(object); do in C#?
..., and things like the Try... pattern:
bool TryGetValue(out T value) {
if(NoDataIsAvailable) {
value = default(T); // because I have to set it to *something*
return false;
}
value = GetData();
return true;
}
As it happens, I also use it in some code-generation, wher...
Run a single migration file
...ion? I don't want to migrate to a certain version I just want to run a specific one.
11 Answers
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Define an 's src attribute in CSS [duplicate]
I need to define an 's src attribute in CSS. Is there a way to specify this attribute?
7 Answers
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Entity Framework 5 Updating a Record
I have been exploring different methods of editing/updating a record within Entity Framework 5 in an ASP.NET MVC3 environment, but so far none of them tick all of the boxes I need. I'll explain why.
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What are WSGI and CGI in plain English?
...(daemon mode), and loads the script into it. Each request results in a specific function in the script being called, with the request environment passed as arguments to the function.
CGI runs the script as a separate process each request and uses environment variables, stdin, and stdout to "communi...