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How to properly overload the
I am writing a small matrix library in C++ for matrix operations. However my compiler complains, where before it did not. This code was left on a shelf for 6 months and in between I upgraded my computer from debian etch to lenny (g++ (Debian 4.3.2-1.1) 4.3.2
) however I have the same problem on a Ub...
Generate random password string with requirements in javascript
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Forcing a fixed number of characters is a bad idea. It doesn't improve the quality of the password. Worse, it reduces the number of possible passwords, so that hacking by bruteforcing becomes easier.
To generate a random word consisting of alphanumeric characters, use:
var r...
Visual C++: How to disable specific linker warnings?
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Add the following as a additional linker option:
/ignore:4099
This is in Properties->Linker->Command Line
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Is it better practice to use String.format over string Concatenation in Java?
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I'd suggest that it is better practice to use String.format(). The main reason is that String.format() can be more easily localised with text loaded from resource files whereas concatenation can't be localised without producing a new executab...
How do I debug an MPI program?
...e an MPI program which compiles and runs, but I would like to step through it to make sure nothing bizarre is happening. Ideally, I would like a simple way to attach GDB to any particular process, but I'm not really sure whether that's possible or how to do it. An alternative would be having each pr...
C++ “virtual” keyword for functions in derived classes. Is it necessary?
With the struct definition given below...
9 Answers
9
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How do I sort a Set to a List in Java?
In Java, I have a Set , and I want to turn it into a sorted List . Is there a method in the java.util.Collections package that will do this for me?
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Override back button to act like home button
...e a Service to perform something in the background, and your visible Activity simply controls this Service. (I'm sure the Music player works in the same way, so the example in the docs seems a bit misleading.) If that's the case, then your Activity can finish as usual and the Service will still be ...
What does the red exclamation point icon in Eclipse mean?
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"Problems" view shows nothing in the case of it being an SVN fault. Try deleting the .svn folder from the offending folder and refreshing if that happens.
– iono
Jul 19 '12 at 8:00
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Swift compiler segmentation fault when building
...Meal!.State == .Deleted){
}
so I think optional not unwrapped in if condition can cause this error
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