A PHP CORS example

Cross Origin Resource Sharing

gearsA webpage makes a cross-origin HTTP request whenever it requests an image, stylesheet or script from a different domain than the one which served itself. A good proportion of websites on the internet rely on the ability to make such requests. However, when a cross-origin HTTP request is initiated from within a script in a webpage, web browsers block the request for security reasons. The best example is Javascript’s XMLHttpRequest function, which follows the same-origin policy. This means that a web application using XMLHttpRequest within a script can only make HTTP requests to resources located within its own domain.

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Golang libraries for data science

wowThe Golang programming language is on a par with Python when it comes to ease of use, but the code compiles to a binary that runs almost as fast as C. So Golang is worth considering for any task that crunches large volumes of data. This is a curated list of Golang libraries useful in data science and related fields.

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Slow Internet

slow-internetIf you’ve spent much time around internet marketing types you’re probably familiar with the frenzied atmosphere that can envelope the room as they cycle through all the things you absolutely must be doing to have any hope at all of surviving in today’s cut-throat online world … website, responsive design, SEO, graphic design, logo design, apps, blogs, copywriting, AdWords, Facebook, Twitter, Pinterest, Instagram, LinkedIn … the list goes on and on and of course all work involved is billable to the client.

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MySQL database migration

 

gearsI recently upgraded my development laptop to CentOS 7 and while I was at it built a spare laptop running the same operating system. After manually creating a dozen MySQL databases and users and then importing their data from dump files on one laptop, I wasn’t interested in going through exactly the same process again on the second laptop.

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