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Java heap terminology: young, old and permanent generations?
I'm trying to understand What the concepts of young , old and permanent generations are in the Java heap terminology, and more specifically the interactions between the three generations.
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How do I select elements of an array given condition?
...e elements in y corresponding to elements in x that are greater than 1 and less than 5.
6 Answers
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Xcode 6 beta 2 issue exporting .ipa: “Your account already has a valid iOS distribution certificate”
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This is what worked for me.
On my machine I kept both Xcode 5 and Xcode 6 beta.
From Xcode 6 beta, Archive the project. Close Xcode 6.
Open Xcode 5, go to Organizer and export as Ad Hoc build with proper provisioning profile.
That's it!
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What are C++ functors and their uses?
...about functors in C++. Can someone give me an overview as to what they are and in what cases they would be useful?
14 Answe...
Are static variables shared between threads?
...y the JVM's memory model. Here's an article talking about the memory model and how writes become visible to threads. You can't count on changes one thread makes becoming visible to other threads in a timely manner (actually the JVM has no obligation to make those changes visible to you at all, in an...
Difference between jar and war in Java
What is the difference between a .jar and a .war file?
Is it only the file extension or is there something more?
13 A...
Why doesn't .NET/C# optimize for tail-call recursion?
...ugh analysis to keep the application competitive in the long term with a standard ahead-of-time compilation.
Interestingly the NGen compilation steps are not targeted to being more aggressive in their optimizations. I suspect this is because they simply don't want to have bugs where the behaviour i...
Maintain/Save/Restore scroll position when returning to a ListView
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Try this:
// save index and top position
int index = mList.getFirstVisiblePosition();
View v = mList.getChildAt(0);
int top = (v == null) ? 0 : (v.getTop() - mList.getPaddingTop());
// ...
// restore index and position
mList.setSelectionFromTop(in...
Rails migration for has_and_belongs_to_many join table
...ow do I do a script/generate migration to create a join table for a has_and_belongs_to_many relationship?
6 Answers
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Freezing Row 1 and Column A at the same time
I want to "freeze" Row 1 and Column A simultaneously in Excel 2010.
1 Answer
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