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What is the purpose of the word 'self'?

What is the purpose of the self word in Python? I understand it refers to the specific object created from that class, but I can't see why it explicitly needs to be added to every function as a parameter. To illustrate, in Ruby I can do this: ...
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How do I get time of a Python program's execution?

I have a command line program in Python that takes a while to finish. I want to know the exact time it takes to finish running. ...
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Is JavaScript an untyped language?

I've found that some people call JavaScript a "dynamically, weakly typed" language, but some even say "untyped"? Which is it really? ...
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How to dump a table to console?

I'm having trouble displaying the contents of a table which contains nested tables (n-deep). I'd like to just dump it to std out or the console via a print statement or something quick and dirty but I can't figure out how. I'm looking for the rough equivalent that I'd get when printing an NSDicti...
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Why is it a bad practice to return generated HTML instead of JSON? Or is it?

It is quite easy to load HTML content from your custom URLs/Web services using JQuery or any other similar framework. I've used this approach many times and till now and found the performance satisfactory. ...
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How to build & install GLFW 3 and use it in a Linux project

Last night I was working late trying to build the GLFW 3 packages for Linux from source. This process took me a very long time, about 3 hours in total, partly because I am unfamiliar with CMake, and partly because I am was unfamiliar with GLFW. ...
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Convert character to ASCII numeric value in java

I have String name = "admin"; then I do String charValue = name.substring(0,1); //charValue="a" 22 Answers ...
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Having a UITextField in a UITableViewCell

I'm trying to do that for a couple of days now, and after reading tons of messages of people trying to do that too, I'm still unable to have a fully working UITextField in some of my UITableViewCells , just like in this example: ...
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Dependent DLL is not getting copied to the build output folder in Visual Studio

I have a visual studio solution. I have many projects in the solution. There is one main project which acts as the start up and uses other projects. There is one project say "ProjectX". Its reference is added to main project. The ProjectX references another .NET dll (say abc.dll) that isn't part of ...
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What is the runtime performance cost of a Docker container?

I'd like to comprehensively understand the run-time performance cost of a Docker container. I've found references to networking anecdotally being ~100µs slower . ...