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Use JNI instead of JNA to call native code?

JNA seems a fair bit easier to use to call native code compared to JNI. In what cases would you use JNI over JNA? 10 Answe...
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Shell one liner to prepend to a file

This is probably a complex solution . 32 Answers 32 ...
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Practical uses of git reset --soft?

I have been working with git for just over a month. Indeed I have used reset for the first time only yesterday, but the soft reset still doesn't make much sense to me. ...
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Set a cookie to never expire

Looking at the php documentation on setting a cookie I see that I can set an expiration date for the cookie. You can set the cookie to expire at the end of the browser session or at some time in the future but I do not see a way to set the cookie to never expire. Is this even possible and how is...
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“f” after number

What does the f after the numbers indicate? Is this from C or Objective-C? Is there any difference in not adding this to a constant number? ...
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Ukkonen's suffix tree algorithm in plain English

I feel a bit thick at this point. I've spent days trying to fully wrap my head around suffix tree construction, but because I don't have a mathematical background, many of the explanations elude me as they start to make excessive use of mathematical symbology. The closest to a good explanation that ...
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Why is String.chars() a stream of ints in Java 8?

In Java 8, there is a new method String.chars() which returns a stream of int s ( IntStream ) that represent the character codes. I guess many people would expect a stream of char s here instead. What was the motivation to design the API this way? ...
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When should I use the Visitor Design Pattern? [closed]

I keep seeing references to the visitor pattern in blogs but I've got to admit, I just don't get it. I read the wikipedia article for the pattern and I understand its mechanics but I'm still confused as to when I'd use it. ...
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Is there a better way to express nested namespaces in C++ within the header

I switched from C++ to Java and C# and think the usage of namespaces/packages is much better there (well structured). Then I came back to C++ and tried to use namespaces the same way but the required syntax is horrible within the header file. ...
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Is there a vr (vertical rule) in html?

I know there is a hr (horizontal rule) in html, but I don't believe there is a vr (vertical rule). Am I wrong and if not, why isn't there a vertical rule? ...