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What is Ruby's double-colon `::`?
What is this double-colon :: ? E.g. Foo::Bar .
10 Answers
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How to calculate the CPU usage of a process by PID in Linux from C?
...ess id
tcomm filename of the executable
state state (R is running, S is sleeping, D is sleeping in an
uninterruptible wait, Z is zombie, T is traced or stopped)
ppid process id of the parent process
pgrp pgrp of the process
sid se...
What's the $unwind operator in MongoDB?
This is my first day with MongoDB so please go easy with me :)
6 Answers
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Android Studio vs Eclipse + ADT Plugin? [closed]
I would like to have objective answers about this question :
8 Answers
8
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Why does flowing off the end of a non-void function without returning a value not produce a compiler
Ever since I realized many years ago, that this doesn't produce an error by default (in GCC at least), I've always wondered why?
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Is it possible to send a variable number of arguments to a JavaScript function?
Is it possible to send a variable number of arguments to a JavaScript function, from an array?
12 Answers
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How can you represent inheritance in a database?
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@Bill Karwin describes three inheritance models in his SQL Antipatterns book, when proposing solutions to the SQL Entity-Attribute-Value antipattern. This is a brief overview:
Single Table Inheritance (aka Table Per Hierarchy Inheritance):
Using a single table as in your first...
Should I use JSLint or JSHint JavaScript validation? [closed]
...ly validating my JavaScript against JSLint and making progress on, it's assisting me to write better JavaScript - in particular in working with the Jquery library.
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When do I use a dot, arrow, or double colon to refer to members of a class in C++?
Coming from other C-derived languages (like Java or C#) to C++, it is at first very confusing that C++ has three ways to refer to members of a class: a::b , a.b , and a->b . When do I use which one of these operators?
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Is it possible to run selenium (Firefox) web driver without a GUI?
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What you're looking for is a headless-browser.
Yes, it's possible to run Selenium on Firefox headlessly. Here is a post you can follow.
Here is the summary steps to set up Xvfb
#install Xvfb
sudo apt-get install xvfb
#set display number to :99
X...