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What does the plus sign do in '+new Date'
...erator, it's equivalent to:
function(){ return Number(new Date); }
see:
http://xkr.us/articles/javascript/unary-add/
and in MDN: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Arithmetic_Operators#Unary_plus
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Abusing the algebra of algebraic data types - why does this work?
...re operators for other constructs, such as parallelism and disruption.
See http://en.wikipedia.org/wiki/Algebra_of_Communicating_Processes. There is also a paper online named "A Brief History of Process Algebra".
I am working on extending programming languages with ACP. Last April I presented a res...
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What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t
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The Request Payload - or to be more precise: payload body of a HTTP Request
- is the data normally send by a POST or PUT Request.
It's the part after the headers and the CRLF of a HTTP Request.
A request with Content-Type: application/json may look like this:
POST /some-path HTTP/1.1
C...
How to remove leading and trailing whitespace in a MySQL field?
...TRIM by default only remove spaces (not all whitespaces). Here is the doc: http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_trim
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Compelling examples of custom C++ allocators?
...llocate
methods.
Update: The memory mapping allocator is now available at https://github.com/johannesthoma/mmap_allocator and is LGPL. Feel free to use it for your projects.
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How to create CSV Excel file C#? [closed]
...ple git-repository out of the topic-starter's code and all the additions:
https://github.com/jitbit/CsvExport
I also added a couple of useful fixes myself. Everyone could add suggestions, fork it to contribute etc. etc. etc. Send me your forks so I merge them back into the repo.
PS. I posted all ...
Convert Linq Query Result to Dictionary
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How to Pass Parameters to Activator.CreateInstance()
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Accept function as parameter in PHP
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Tested for PHP 5.3
As i see here, Anonymous Function could help you:
http://php.net/manual/en/functions.anonymous.php
What you'll probably need and it's not said before it's how to pass a function without wrapping it inside a on-the-fly-created function.
As you'll see later, you'll need to pa...