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Nearest neighbors in high-dimensional data?
...ted in Approximate Nearest Neighbor (ANN) algorithms. The idea is that you allow the algorithm to return sufficiently near neighbors (perhaps not the nearest neighbor); in doing so, you reduce complexity. You mentioned the kd-tree; that is one example. But as you said, kd-tree works poorly in high d...
jQuery: select all elements of a given class, except for a particular Id
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From the documentation: All selectors are accepted inside :not(), for example: :not(div a) and :not(div,a) so just use the comma delimited selectors to do multiple (".thisclass:not(#thisid,#thatid)").doAction();
– Chase
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How good is Java's UUID.randomUUID?
...UID uses java.security.SecureRandom, which is supposed to be "cryptographically strong". While the actual implementation is not specified and can vary between JVMs (meaning that any concrete statements made are valid only for one specific JVM), it does mandate that the output must pass a statistical...
How expensive is RTTI?
...where I've looked just says that "RTTI is expensive," but none of them actually give any benchmarks or quantitative data reguarding memory, processor time, or speed.
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Why can I add named properties to an array as if it were an object?
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Virtually everything in javascript is an object, so you can "abuse" an Array object by setting arbitrary properties on it. This should be considered harmful though. Arrays are for numerically indexed data - for non-numeric keys, u...
Remove credentials from Git
...everal repositories, but lately I was just working in our internal one and all was great.
35 Answers
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Why do we need extern “C”{ #include } in C++?
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C and C++ are superficially similar, but each compiles into a very different set of code. When you include a header file with a C++ compiler, the compiler is expecting C++ code. If, however, it is a C header, then the compiler expects the data cont...
What is the difference between Tomcat, JBoss and Glassfish?
... and CORBA. We didn't include these in the Java EE version of Tomcat, but all current technology is there like JAX-RS, JAX-WS, JMS, CDI, JPA, JSF, EJB, JTA, etc.
– David Blevins
Aug 26 '13 at 21:01
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matplotlib does not show my drawings although I call pyplot.show()
Help required on matplotlib. Yes, I did not forget calling the pyplot.show().
14 Answers
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How to shuffle a std::vector?
...n Coliru
Make sure to reuse the same instance of rng throughout multiple calls to std::shuffle if you intend to generate different permutations every time!
Moreover, if you want your program to create different sequences of shuffles each time it is run, you can seed the constructor of the random e...