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detect key press in python?
...tch type program in python and I would like to know how to detect if a key is pressed (such as p for pause and s for stop), and I would not like it to be something like raw_input that waits for the user's input before continuing execution. Anyone know how to do this in a while loop?
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How many characters can a Java String have?
...functions for reversing Strings, but would they allow for a String to be this long?
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What columns generally make good indexes?
As a follow up to " What are indexes and how can I use them to optimise queries in my database? " where I am attempting to learn about indexes, what columns are good index candidates? Specifically for an MS SQL database?
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Best way to give a variable a default value (simulate Perl ||, ||= )
I love doing this sort of thing in Perl: $foo = $bar || $baz to assign $baz to $foo if $bar is empty or undefined. You also have $foo ||= $bletch which will only assign $bletch to $foo if $foo is not defined or empty.
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Determine a string's encoding in C#
Is there any way to determine a string's encoding in C#?
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Should I pass a shared_ptr by reference? [duplicate]
...you can pass the shared pointer by constant reference. Be sure that nobody is concurrently deleting the object, though this shouldn't be too hard if you're careful about to whom you give references.
In general, you should pass the shared pointer as a straight copy. This gives it its intended semant...
Copying a HashMap in Java
...want a copy of the HashMap you need to construct a new one with.
myobjectListB = new HashMap<Integer,myObject>(myobjectListA);
This will create a (shallow) copy of the map.
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Is it possible to create a multi-line string variable in a Makefile
I want to create a makefile variable that is a multi-line string (e.g. the body of an email release announcement). something like
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How is the java memory pool divided?
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Heap memory
The heap memory is the runtime data area from which the Java VM allocates memory for all class instances and arrays. The heap may be of a fixed or variable size. The garbage collector is an automatic memory management system that reclaims he...
What is the difference between aggregation, composition and dependency? [duplicate]
What is the difference between aggregation, composition and dependency?
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