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What exception classes are in the standard C++ library

...alid arguments. std::length_error This is thrown when a too big std::string is created std::out_of_range This can be thrown by the at method from for example a std::vector and std::bitset<>::operator[](). std::runtime_error An exception that theoretically can not be detected b...
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Difference between a Seq and a List in Scala

... RE "Java has no equivalent to immutable collections", although String is not a collection, it is an example of immutable classes familiar to Java programmers. – huynhjl Jun 3 '12 at 2:19 ...
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What is the most ridiculous pessimization you've seen? [closed]

... data structures so they take up way more memory than they need Sizing all strings that store file names or paths to MAX_PATH Gratuitous polling for thing that have events, callbacks or other notification mechanisms What I think is a better statement is this: "optimization without measuring and un...
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How do you find the row count for all your tables in Postgres

...h quote_ident or with the more modern format() function with its %I format string. Otherwise some malicious person may name their table tablename;DROP TABLE other_table which is perfectly valid as a table name. Even without the SQL injection and funny characters problems, table name may exist in var...
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asp.net mvc put controllers into a separate project

...ow this is done. Subtyping this class and overriding the GetControllerType(string controllerName) method may be enough to accomplish what you're asking. Once you've created your own custom ControllerFactory, you add the following line to Application_Start in global.asax to tell the framework where ...
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Setting JDK in Eclipse

...Hello"); } }*/ public class LambdaDemo1 { public static void main(String[] args) { testI test ; /*test= new A(); test.show();*/ test = () ->System.out.println("Hello,how are you?"); //lambda test.show(); } } ...
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When is localStorage cleared?

...less popular) alternatives to cookies include techniques involving query strings, hidden form fields, flash based local shared objects, etc. Each with their own set of problems related to security, ease of use, size restrictions etc. So up until now we have been using pretty bad ways of stor...
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Good MapReduce examples [closed]

... key:value pairs. For instance, if we define a map function that takes a string and outputs the length of the word as the key and the word itself as the value then map(steve) would return 5:steve and map(savannah) would return 8:savannah. You may have noticed that the map function is statele...
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Adding an arbitrary line to a matplotlib plot in ipython notebook

... ) In the documentation it says you can draw only an arrow with an empty string as the first argument. From the OP's example: %matplotlib notebook import numpy as np import matplotlib.pyplot as plt np.random.seed(5) x = np.arange(1, 101) y = 20 + 3 * x + np.random.normal(0, 60, 100) plt.plot(x,...
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bower init - difference between amd, es6, globals and node

...fined in the main JavaScript file. Can be one or an array of the following strings: globals: JavaScript module that adds to global namespace, using window.namespace or this.namespace syntax amd: JavaScript module compatible with AMD, like RequireJS, using define() syntax node: JavaScript module com...