...g to identify the reason behind constants in Java I have learned that Java allows us to declare constants by using final keyword. ...

... Disclaimer: A lot of this doesn't really work quite right when you account for ⊥, so I'm going to blatantly disregard that for the sake of simplicity. A few initial points: Note that "union" is probably not the best term for A+B here--that's specifically ...

... folder or URL:. There is a button next to it Save settings to Folder. So all you need to do is save your settings first and load it after you reinstalled your OS. If the Save settings to Folder is disabled, select a folder (e.g. empty) in the Load preferences from a custom folder or URL: text box...

In my windows installation PATH includes C:\Program Files\nodejs , where executable node.exe is. I'm able to launch node from the shell, as well as npm . I'd like new executables to be installed in C:\Program Files\nodejs as well, but it seems impossible to achieve. ...

...e. For use of unevaluated ... argument look at write.csv code where match.call is used. As you write in comment result in Dirk answer is not a list of lists. Is a list of length 4, which elements are language type. First object is a symbol - list, second is expression 1:10 and so on. That explain wh...

...ecuted when the class is loaded (or initialized, to be precise, but you usually don't notice the difference). It can be thought of as a "class constructor". Note that there are also instance initializers, which look the same, except that they don't have the static keyword. Those are run in additio...

...latter, which you would fit into if you choose to use them well, use a so called "evil" concept when it is the lesser of (two) evils. Read this for a better understanding of some C++ concepts that you might need to use from time to time (macros, goto's, preprocessor, arrays): parashift.com/c++-faq-l...

...nt: C++ makes very few guarantees about the compiled code. The compiler is allowed to do pretty much anything it likes, as long as the resulting functionality is what is expected. For example, your classes aren't required to actually be there. The compiler can optimize them away, inline everything t...

...I imagine they use a "token" based security system, so the password is actually never stored anywhere, just used the first time to authenticate. So the app initially posts the username/password (over ssl) and the server returns a token that the app stores. For subsequent sync attempts the token is s...

... Note that the asynchronous version is usually preferable if you care about general app performance. – AlexMA Mar 14 '14 at 20:10 ...