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Are string.Equals() and == operator really same? [duplicate]
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Two differences:
Equals is polymorphic (i.e. it can be overridden, and the implementation used will depend on the execution-time type of the target object), whereas the implementation of == used is determined based on the compile-time types of the objects:
// Avoid getting confused by inter...
How can I make a JPA OneToOne relation lazy
...eloping, we noticed that a view was particularly slow. I profiled the view and noticed that there was one query executed by hibernate which took 10 seconds even if there only were two object in the database to fetch. All OneToMany and ManyToMany relations were lazy so that wasn't the problem. Wh...
In C/C++ what's the simplest way to reverse the order of bits in a byte?
...e, I'm curious as to what is the "simplest" for a developer to implement. And by reversing I mean:
35 Answers
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How to use Class in Java?
There's a good discussion of Generics and what they really do behind the scenes over at this question , so we all know that Vector<int[]> is a vector of integer arrays, and HashTable<String, Person> is a table of whose keys are strings and values Person s.
However, what stumps me ...
How do I set a conditional breakpoint in gdb, when char* x points to a string whose value equals “he
...x:20 if strcmp(y, "hello") == 0
20 is line number, x can be any filename and y can be any variable.
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Reusing a PreparedStatement multiple times
...tithreaded environments, you don't need to worry about this if you acquire and close the connection and the statement in the shortest possible scope inside the same method block according the normal JDBC idiom using try-with-resources statement as shown in above snippets.
If those batches are trans...
Should I use Java's String.format() if performance is important?
We have to build Strings all the time for log output and so on. Over the JDK versions we have learned when to use StringBuffer (many appends, thread safe) and StringBuilder (many appends, non-thread-safe).
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What's the difference between struct and class in .NET?
What's the difference between struct and class in .NET?
19 Answers
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Https Connection Android
I am doing a https post and I'm getting an exception of ssl exception Not trusted server certificate. If i do normal http it is working perfectly fine. Do I have to accept the server certificate somehow?
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WPF Timer Like C# Timer
...ge of making the timer a Control.) If you don't you'll have a memory leak and possibly other bugs.
– Trade-Ideas Philip
Nov 28 '16 at 14:11
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