Core Java
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How to setup custom SSLSocketFactory’s TrustManager per each URL connection
We can see from javadoc that javax.net.ssl.HttpsURLConnection provided a static method to override with setDefaultSSLSocketFory() method. This allow you to…
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How to Upload Images to DropBox In Java
This Tutorial explains how to upload images to drop box and get the public url of uploaded image . First…
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Adaptive heap sizing
While enhancing our test bed to improve the Plumbr GC problem detector, I ended up writing a small test case…
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Clean Unit Test Patterns – Presentation Slides
I was given the opportunity to talk at the GDG DevFestKarlsruhe 2014 conference about ‘Clean Unit Test Patterns’. Thanks to…
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Apache Commons IO Tutorial: A beginner’s guide
Apache Commons IO is a Java library created and maintained by the Apache Foundation. It provides a multitude of classes that…
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Chronicle Map and Yahoo Cloud Service Benchmark
Overview Yahoo Cloud Service Benchmark is a reasonably widely used benchmarking tool for testing key value stores for a significant…
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Quo Vadis JUnit
For me JUnit is the most important library of the Java universe. But I think a new version of it…
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When a String is Null but Not Null
Introduction A junior programmer on my team at work had an interesting bug. Its symptoms I have seen more than…
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How to Use Callable and FutureTask
Introduction Since Java 1.5 there has been a new set of objects under java.util.concurrent. This package has a number of…
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