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Why is the .bss segment required?

...variables? If an uninitialised variable has a value assigned at run time, does the variable exist still in the .bss segment only? ...
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Do fragments really need an empty constructor?

...tManger to kill and recreate Fragments with states. (The Android subsystem does similar things with Activities). Example Class I get asked a lot about calling newInstance. Do not confuse this with the class method. This whole class example should show the usage. /** * Created by chris on 21/11/...
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Set the location in iPhone Simulator

...imulation of a moving location (in Cupertino, of course). Of course, this does nothing to help with debugging for iOS 4 (or earlier); but it's a definite improvement! share | improve this answer ...
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How to design a database for User Defined Fields?

...ple. Since joins are not an issue, life is happy, as neither of these two does well with joins, despite the hype. Your users can define as many attributes as they want (or you will allow) at lengths that don't get hard to manage until you reach about 4MB. If you have data that requires ACID-level...
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How do I profile memory usage in Python?

... @robguinness By downgraded you mean down-voted? That doesn't seem fair because it was valuable at one point in time. I think an edit at the top stating it is no longer valid for X reason and to see answer Y or Z instead. I think this course of action is more appropriate. ...
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Set up DNS based URL forwarding in Amazon Route53 [closed]

... Does this Redirect all requests to another host name option still exist? I can't see it when I go to bucket properties. – aidan Aug 24 '19 at 5:56 ...
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Why doesn't RecyclerView have onItemClickListener()?

...as exploring RecyclerView and I was surprised to see that RecyclerView does not have onItemClickListener() . 32 Answer...
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What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort

...th b to fix this problem, i.e.: -k 3.2bn,3 (note that the global -b option does not work in this case). Also note the added ,3, which ensures that only the 3rd field is used - without that 2nd field index, the remainder of the entire line is used. – mklement0 A...
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What do hjust and vjust do when making a plot using ggplot?

...Figure B.1(d) says, but it extrapolates beyond [0,1]. But, sometimes this doesn't work. For example DF <- data.frame(x=c("a","b","cdefghijk","l"),y=1:4) p <- ggplot(DF, aes(x,y)) + geom_point() p + opts(axis.text.x=theme_text(vjust=0)) p + opts(axis.text.x=theme_text(vjust=1)) p + opts(axi...
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What are the differences between a pointer variable and a reference variable in C++?

... fact that a variable (in this case a pointer or reference) requires space does not mean it requires space on the stack. Pointers and references may not only point to the heap, they may actually be allocated on the heap. – Derek Park Sep 19 '08 at 15:26 ...