... Copied verbatim from http://cocoaheads.tumblr.com/post/17757846453/objective-c-literals-for-nsdictionary-nsarray-and: Objective-C literals: one can now create literals for NSArray, NSDictionary, and NSNumber (just like one can create litera...

...GlobalScope, and this is the standard method for setting event listeners. From Mozilla docs: By using self, you can refer to the global scope in a way that will work not only in a window context (self will resolve to window.self) but also in a worker context (self will then resolve to WorkerGlo...

... I would imagine where the first guess can be derived from justifiable constants, rather than being seemingly arbitrary. Although if you want a technical description, you can look it up. I'm not a mathematician, and a semantic discussion about mathematical terminology doesn't be...

...ime, especially since your data are already factored, you can use complete from "tidyr" to get what you might be looking for: library(tidyr) df %>% group_by(b) %>% summarise(count_a=length(a)) %>% complete(b) # Source: local data frame [3 x 2] # # b count_a # (fctr) (int)...

...like that without adding them to the file that manages dependencies (apart from installing command line tools globally)? Always. Just because of comfort. When you add a flag (--save-dev or --save) the file that manages deps (package.json) gets updated automatically. Don't waste time by editing dep...

...on, because it means that you cannot have any readonly members initialized from constructor parameters. In addition to all this, the XmlSerializer class could have been written in such a way as to allow even deserialization of classes without parameterless constructors. All it would take would be ...

... false and the evaluation of the rest (op.CanExecute()) is skipped. Apart from this, technically, they are different, too: && and || can only be used on bool whereas & and | can be used on any integral type (bool, int, long, sbyte, ...), because they are bitwise operators. & is the ...

... other token is an equality operator. A parser takes the stream of tokens from the lexer and turns it into an abstract syntax tree representing the (usually) program represented by the original text. Last I checked, the best book on the subject was "Compilers: Principles, Techniques, and Tools" us...

...ven if the stack could hold the entire file contents, you could not return from a function and keep the allocated memory block. Why dynamic allocation is often unnecessary In C++ there's a neat construct called a destructor. This mechanism allows you to manage resources by aligning the lifetime o...

...can use the Maven ant-run plugin, you can run an ant exec task and call it from Maven or best of all you can just use the maven exec task. Below is the code to integrate this into the Maven lifecycle using the exec plugin if this is helpful to anybody. <plugin> <groupId>org.c...