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Jackson and generic type reference

...roblem with Java type erasure: T is just a type variable, and you must indicate actual class, usually as Class argument. Without such information, best that can be done is to use bounds; and plain T is roughly same as 'T extends Object'. And Jackson will then bind JSON Objects as Maps. In this case...
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Benchmarking (python vs. c++ using BLAS) and (numpy)

I would like to write a program that makes extensive use of BLAS and LAPACK linear algebra functionalities. Since performance is an issue I did some benchmarking and would like know, if the approach I took is legitimate. ...
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How do I delete an exported environment variable?

...etting it definitely? or maybe searching where is the variable set, so you can go and delete it? – eLRuLL Apr 19 '14 at 15:35 35 ...
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Global and local variables in R

I am a newbie for R, and I am quite confused with the usage of local and global variables in R. 3 Answers ...
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Java String split removed empty values

... returns result of split(regex, 0) and in documentation of this method you can find (emphasis mine) The limit parameter controls the number of times the pattern is applied and therefore affects the length of the resulting array. If the limit n is greater than zero then the pattern will be applied a...
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Intercept page exit event

... Doesn't work any more in Chrome (deprecated): developers.google.com/web/updates/2016/04/… – Micha Schwab Aug 17 '17 at 18:35 ...
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Why does Internet Explorer not send HTTP post body on Ajax call after failure?

...not seem to be a clear answer to this question, so I will provide my empirical data as a substitute and provide some ways to work around it. Maybe some MS insider will one day shed some light on this... If HTTP Keep-Alive is disabled on the server, this issue goes away. In other words, your HTTP 1...
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What's the difference between findAndModify and update in MongoDB?

...get-and-set style atomicity. But I didn't understand how it achieves this. Can somebody explain this to me? 5 Answers ...
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HTML5shiv vs Dean Edwards IE7-js vs Modernizr - which to choose?

...ch of classes in your HTML, depending on the available features, which you can use to change your layout according to what the browser supports. It also allows you to use the new HTML5 tags in IE, like html5shiv. ie7.js (as well as ie8.js and ie9.js) uses Javascript to retro-fit some missing functio...
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Using {} in a case statement. Why?

What is the point with using { and } in a case statement? Normally, no matter how many lines are there in a case statement, all of the lines are executed. Is this just a rule regarding older/newer compilers or there is something behind that? ...