Scrapy is a fast high-level web open source crawling and web scraping framework, used to crawl websites and extract structured data from their pages. It can be used for a wide range of purposes, from data mining to monitoring and automated testing. Requires Python 2.7 or Python 3.4+.
Category: PHP
PHP7: backward incompatible changes
Changes to the handling of indirect variables, properties, and methods Indirect access to variables, properties, and methods will now be evaluated strictly in left-to-right order, as opposed to the previous mix of special cases. The table below shows how the order of evaluation has changed. Code that used the old right-to-left evaluation order must be
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PHP: find extension directory
You can find the location by calling: php -r ‘echo ini_get("extension_dir")."\n";’php -r ‘echo ini_get("extension_dir")."\n";’
Tideways PHP Profiler Extension
The Tideways PHP Profiler Extension a free and open source maintained drop-in replacement for XHProf and UProfiler that has support for PHP7, Windows and Linux and is actively maintained. But this is not just a drop-in replacement for XHprof and UProfiler, Tideways provides a cloud service where you can collect, monitor and analyze your profiling
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Composer: proc_open(): fork failed errors
If composer shows proc_open() fork failed on some commands: PHP Fatal error: Uncaught exception ‘ErrorException’ with message ‘proc_open(): fork failed – Cannot allocate memory’ in phar This could be happening because the VPS runs out of memory and has no Swap space enabled. free -m total used free shared buffers cached Mem: 2048 357
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