... workers (in particular, pre-forking, life cycle management, asynchronous handling, etc), redirects, rewriting, etc When I mention redirects/rewrites, I'm referring to the fact that using Webrick, you have to handle rewrites at a different layer (Rack, Sinatra, Rails, custom Webrick code, etc). Th...

As the title suggests, I am trying to figure out a way of generating random numbers using the new C++11 <random> library. I have tried it with this code: ...

...failure - why it happened, how to fix it, etc. Having zero mean 'success' and non-zero mean failure lets you can check pretty easily for success, and investigate the particular error for more details if you want to. A lot of APIs and frameworks have a similar convention - functions that succeed re...

...e Local — Names assigned in any way within a function (def or lambda), and not declared global in that function Enclosing-function — Names assigned in the local scope of any and all statically enclosing functions (def or lambda), from inner to outer Global (module) — Names assigned at the to...

...w. It did not when the question was asked. The rest of my answer still stands: gulp-watch is usually a better solution because it lets you perform specific actions only on the files that have been modified, while gulp.watch only lets you run complete tasks. For a project of a reasonable size, thi...

... I'd like to provide an abstract, high-level perspective. Concurrency and simultaneity I/O operations interact with the environment. The environment is not part of your program, and not under your control. The environment truly exists "concurrently" with your program. As with all things concurr...

Arrays in JavaScript are very easy to modify by adding and removing items. It somewhat masks the fact that most languages arrays are fixed-size, and require complex operations to resize. It seems that JavaScript makes it easy to write poorly performing array code. This leads to the question: ...

How to check whether a pandas DataFrame is empty? In my case I want to print some message in terminal if the DataFrame is empty. ...

...... But if you have Notepad++ 5.x, you can use the 'extended' search mode and look for \r\n. That does find all your CRLF. (I realize this is the same answer than the others, but again, 'extended mode' is only available with Notepad++ 4.9, 5.x and more) Since April 2009, you have a wiki article...

...? It can sometimes happen that I read from outside the array (I now understand I then access memory used by some other parts of my program or even beyond that) or I am trying to set a value to an index outside of the array. The program sometimes crashes, but sometimes just runs, only giving unexpect...