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C++ Exceptions questions on rethrow of original exception

...memory location which will stay valid during the subsequent unwinding -- 0x98e7058 in the example below). However, In the first case, since you rethrow with throw; (which, unlike throw err;, preserves the original exception object, with your modifications, in said "magical location" at 0x98e7058)...
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What are inline namespaces for?

... vector. If we had inline namespaces from the beginning of C++, then in C++98 the header <vector> might have looked like this: namespace std { #if __cplusplus < 1997L // pre-standard C++ inline #endif namespace pre_cxx_1997 { template <class T> __vector_impl; // imp...
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JSON parsing using Gson for Java

...eturn result; } To make the use more generic - you will find that Gson's javadocs are pretty clear and helpful. share | improve this answer | follow | ...
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Best way to encode text data for XML in Java?

Very similar to this question , except for Java. 21 Answers 21 ...
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How can I convert tabs to spaces in every file of a directory?

...g those under svn, .git! Read the comments before using! find . -iname '*.java' -type f -exec sed -i.orig 's/\t/ /g' {} + The original file is saved as [filename].orig. Replace '*.java' with the file ending of the file type you are looking for. This way you can prevent accidental corruption of b...
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max value of integer

...(for 32 bit machine) is 32 bits, and it ranges from -32,768 to +32,767. In Java, the integer(long) is also 32 bits, but ranges from -2,147,483,648 to +2,147,483,647. ...
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What happens when there's insufficient memory to throw an OutOfMemoryError?

...nce. The Structure of the JVM, Chapter 3, section 3.5.2 states: If Java virtual machine stacks can be dynamically expanded, and expansion is attempted but insufficient memory can be made available to effect the expansion, or if insufficient memory can be made available to create the init...
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Performance of Java matrix math libraries? [closed]

...ctave, Python and R, the time taken was around 4 seconds. Using Jama with Java, the time taken was 50 seconds. Using Colt and Parallel Colt with Java, the time taken was 150 seconds! Using JBLAS with Java, the time taken was again around 4 seconds as JBLAS uses multithreaded ATLAS. So for me it ...
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Jackson - Deserialize using generic class

...;>(){} ... But I am getting the following error - cannot access private java.lang.class.Class() from java.lang.class. Failed to set access. Cannot make a java.lang.Class constructor accessible – gnjago Jul 26 '12 at 19:46 ...
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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli

I'm working with some example java code for making md5 hashes. One part converts the results from bytes to a string of hex digits: ...