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Why are these numbers not equal?
...The R Inferno by Patrick Burns devotes the first "Circle" to this problem (starting on page 9)
David Goldberg, "What Every Computer Scientist Should Know About Floating-point Arithmetic," ACM Computing Surveys 23, 1 (1991-03), 5-48 doi>10.1145/103162.103163 (revision also available)
The Floating-...
How to change the author and committer name and e-mail of multiple commits in Git?
... out git filter-branch. The man page includes several examples to get you started. Also note that you can use environment variables to change the name of the author, committer, dates, etc. -- see the "Environment Variables" section of the git man page.
Specifically, you can fix all the wrong autho...
GraphViz - How to connect subgraphs?
...
also the name of the cluster should not start by a capital letter
– JCLL
Sep 9 '16 at 8:29
7
...
Random string generation with upper case letters and digits
...ring.ascii_uppercase + string.digits) for _ in range(N))
or even shorter starting with Python 3.6 using random.choices():
''.join(random.choices(string.ascii_uppercase + string.digits, k=N))
A cryptographically more secure version; see https://stackoverflow.com/a/23728630/2213647:
''.join(rand...
Guava: Why is there no Lists.filter() function?
...-evaluated function - it doesn't actually filter your collection until you start accessing the filtered version. For example, if you iterate over the filtered version, then the filtered elements will pop out of the iterator in the same order as your original collection (minus the ones filtered out, ...
Passing a std::array of unknown size to a function
... function, then instead, we can pass the memory address of where the array starts along with a 2nd address of where the array ends. Later, inside of the function, we can use these 2 memory addresses to calculate the size of the array!
#include <iostream>
#include <array>
// The functio...
How to strip all non-alphabetic characters from string in SQL Server?
...umbers from a string. There would be better ways to do this, but this is a start.
CREATE FUNCTION dbo.AlphaOnly (
@String varchar(100)
)
RETURNS varchar(100)
AS BEGIN
RETURN (
REPLACE(
REPLACE(
REPLACE(
REPLACE(
REPLACE(
REPLACE(
...
use Winmerge inside of Git to file diff
...
Step 3 - Now you can test by typing the following command in Git Bash to start your WinMerge diff:
git difftool --dir-diff
Step 4 - For quicker access, create an alias for this command by adding this line to .bashrc in your home folder (or create .bashrc file with this line if file does not alr...
Routing with Multiple Parameters using ASP.NET MVC
...
Starting with MVC 5, you can also use Attribute Routing to move the URL parameter configuration to your controllers.
A detailed discussion is available here:
http://blogs.msdn.com/b/webdev/archive/2013/10/17/attribute-routin...
What is href=“#” and why is it used?
... For example, see this page and the links on it: ironsummitmedia.github.io/startbootstrap-creative Just html pages that are meant to demonstrate a set of CSS/HTML, WordPress themes, etc, but aren't real pages, so the links don't need to go anywhere.
– m59
Dec 1...