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Best way to make Java's modulus behave like it should with negative numbers?
... behaves as it should a % b = a - a / b * b; i.e. it's the remainder.
You can do (a % b + b) % b
This expression works as the result of (a % b) is necessarily lower than b, no matter if a is positive or negative. Adding b takes care of the negative values of a, since (a % b) is a negative value ...
How to detect if my shell script is running through a pipe?
...then echo terminal; else echo "not a terminal"; fi
returns "terminal", because the output is sent to your terminal, whereas
(if [ -t 1 ] ; then echo terminal; else echo "not a terminal"; fi) | cat
returns "not a terminal", because the output of the parenthetic is piped to cat.
The -t flag i...
Web Service vs WCF Service
...r is based on an article that no longer exists:
Summary of article:
"Basically, WCF is a service layer that allows you to build applications that can communicate using a variety of communication mechanisms. With it, you can communicate using Peer to Peer, Named Pipes, Web Services and so on.
You ...
How to add NERDTree to your .vimrc
...oyed by the fact that the cursor always starts in the NERDTree window, you can add a second autocommand that will move the cursor into the main window:
autocmd VimEnter * NERDTree
autocmd VimEnter * wincmd p
share
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How do I use CSS in Django?
I am creating my application using Django, and am wondering how I can make Django use my CSS file? What settings do I need to do to make Django see the css file?
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How to find out element position in slice?
...do this. Go doesn't have a straight forward way of writing a function that can operate on any slice.
Your function works, although it would be a little better if you wrote it using range.
If you happen to have a byte slice, there is bytes.IndexByte.
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WPF Button with Image
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If you have the image added to your project you can drag from it the solution explorer to the xaml editor and it will put in the text of the full path to the image.
– Paul McCarthy
Feb 27 at 0:28
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What is the difference between Amazon S3 and Amazon EC2 instance?
I need to create a web application using php mysql and html. The no.of requests and data will be very high. I need Amazon server space.
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Map function in MATLAB?
...ave a Map function, so I hacked one together myself since it's something I can't live without. Is there a better version out there? Is there a somewhat-standard functional programming library for MATLAB out there that I'm missing?
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Getting DOM elements by classname
...above selector is compiled to the following xpath (untested):
[contains(concat(' ', normalize-space(@class), ' '), ' my-class ')]
So the PHP would be:
$dom = new DomDocument();
$dom->load($filePath);
$finder = new DomXPath($dom);
$classname="my-class";
$nodes = $finder->query("//*[contains(con...