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How to specify different Debug/Release output directories in QMake .pro file
...followed by make in whatever build directory you want to build in. So, run it once in a debug directory, once in a release directory.
That's how anyone building your project would expect it to work, and that's how Qt itself is set up to build, that's also how Qt Creator expects your .pro file to be...
RequestDispatcher.forward() vs HttpServletResponse.sendRedirect()
...we use the forward method, the request is transferred to another resource within the same server for further processing.
In the case of forward, the web container handles all processing internally and the client or browser is not involved.
When forward is called on the requestDispatcherobject, w...
What is the EAFP principle in Python?
...y the presence of many try and except statements. The technique contrasts with the LBYL style common to many other languages such as C.
An example would be an attempt to access a dictionary key.
EAFP:
try:
x = my_dict["key"]
except KeyError:
# handle missing key
LBYL:
if "key" in my_d...
My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(())
...at is known as the "most vexing parse", which is classically demonstrated with a line such as
5 Answers
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What is the difference between “Class.forName()” and “Class.forName().newInstance()”?
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Demo demo = (Demo) clazz.newInstance();
}
}
As explained in its javadoc, calling Class.forName(String) returns the Class object associated with the class or interface with the given string name i.e. it returns test.Demo.class which is affected to the clazz variable of type Class.
The...
TypeError: got multiple values for argument
I read the other threads that had to do with this error and it seems that my problem has an interesting distinct difference than all the posts I read so far, namely, all the other posts so far have the error in regards to either a user created class or a builtin system resource. I am experiencing th...
Ruby on Rails: How do you add add zeros in front of a number if it's under 10?
I'm looking to convert single digit numbers to two-digit numbers like so:
4 Answers
4
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Is Fortran easier to optimize than C for heavy calculations?
...an be faster then C for heavy calculations. Is that really true? I must admit that I hardly know Fortran, but the Fortran code I have seen so far did not show that the language has features that C doesn't have.
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How should you build your database from source control?
There has been some discussion on the SO community wiki about whether database objects should be version controlled. However, I haven't seen much discussion about the best-practices for creating a build-automation process for database objects.
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What's the best way to iterate an Android Cursor?
I frequently see code which involves iterating over the result of a database query, doing something with each row, and then moving on to the next row. Typical examples are as follows.
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