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How do I tell Spring Boot which main class to use for the executable jar?
My project has more than one class with a main method. How do I tell the Spring Boot Maven plugin which of the classes it should use as the main class?
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Given a class, see if instance has method (Ruby)
I know in Ruby that I can use respond_to? to check if an object has a certain method.
12 Answers
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How to replace a hash key with another key
I have a condition where, I get a hash
9 Answers
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Very slow compile times on Visual Studio 2005
We are getting very slow compile times, which can take upwards of 20+ minutes on dual core 2GHz, 2G Ram machines.
34 Answ...
Does the 'mutable' keyword have any purpose other than allowing the variable to be modified by a con
A while ago I came across some code that marked a member variable of a class with the mutable keyword. As far as I can see it simply allows you to modify a variable in a const method:
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Immutable class?
How can one make a Java class immutable, what is the need of immutability and is there any advantage to using this?
13 Answ...
Officially, what is typename for?
On occasion I've seen some really indecipherable error messages spit out by gcc when using templates... Specifically, I've had problems where seemingly correct declarations were causing very strange compile errors that magically went away by prefixing the typename keyword to the beginning of the...
How does free know how much to free?
In C programming, you can pass any kind of pointer you like as an argument to free, how does it know the size of the allocated memory to free? Whenever I pass a pointer to some function, I have to also pass the size (ie an array of 10 elements needs to receive 10 as a parameter to know the size of t...
How do I run a simple bit of code in a new thread?
I have a bit of code that I need to run in a different thread than the GUI as it currently causes the form to freeze whilst the code runs (10 seconds or so).
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Determine Whether Two Date Ranges Overlap
Given two date ranges, what is the simplest or most efficient way to determine whether the two date ranges overlap?
35 Answ...