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Why is the use of alloca() not considered good practice?
... stack overflow, program behaviour is undefined.
Which isn't to say it should never be used. One of the OSS projects I work on uses it extensively, and as long as you're not abusing it (alloca'ing huge values), it's fine. Once you go past the "few hundred bytes" mark, it's time to use mallo...
How do I create a nice-looking DMG for Mac OS X using command-line tools?
I need to create a nice installer for a Mac application. I want it to be a disk image (DMG), with a predefined size, layout and background image.
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Passing an integer by reference in Python
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It doesn't quite work that way in Python. Python passes references to objects. Inside your function you have an object -- You're free to mutate that object (if possible). However, integers are immutable. One workaround is to ...
Which one will execute faster, if (flag==0) or if (0==flag)?
... trap. And I regret my hastily cast upvote on "stupidest question" because it seems that many did not get it right and it gives room for a nice discussion on compiler optimization :)
The answer is:
What is flag's type?
In the case where flag actually is a user-defined type. Then it depends on...
Should we pass a shared_ptr by reference or by value?
...a function takes a shared_ptr (from boost or C++11 STL), are you passing it:
10 Answers
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What is referential transparency?
What does the term referential transparency mean? I've heard it described as "it means you can replace equals with equals" but this seems like an inadequate explanation.
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Why would I use Scala/Lift over Java/Spring? [closed]
I know this question is a bit open but I have been looking at Scala/Lift as an alternative to Java/Spring and I wonder what are the real advantages that Scala/Lift has over it. From my perspective and experience, Java Annotations and Spring really minimizes the amount of coding that you have to do f...
What is the preferred/idiomatic way to insert into a map?
...gn a value. Obviously, this can be inefficient if the mapped_type can benefit from being directly initialized instead of default constructed and assigned. This method also makes it impossible to determine if an insertion has indeed taken place or if you have only overwritten the value for an previou...
Retrieve filename from file descriptor in C
Is it possible to get the filename of a file descriptor (Linux) in C?
7 Answers
7
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Eclipse error: indirectly referenced from required .class files?
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It means: "A class that you use needs another class that is not on the classpath." You should make sure (as Harry Joy suggests) to add the required jar to the classpath.
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