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When is the thread pool used?
...we'll ignore explicit multi-processing/multi-threading through cluster and webworker-threads, and just talk about typical non-threaded node.
Node runs in a single event loop. It's single threaded, and you only ever get that one thread. All of the javascript you write executes in this loop, and if...
Two-way encryption: I need to store passwords that can be retrieved
...ation specific key can be stored anywhere (in a config file outside of the web-root, in an environmental variable, etc). The user specific one would be stored in a column in the db next to the encrypted password. The user supplied one would not be stored. Then, you'd do something like this:
$key...
In Java, what is the best way to determine the size of an object?
...However I haven't found any official documentation about this class on the web.
– Henrique Gontijo
Oct 16 '16 at 18:26
...
HTML5 Canvas Resize (Downscale) Image High Quality?
...good quality: http://jsfiddle.net/9g9Nv/442/
Update: version 2.0 (faster, web workers + transferable objects) - https://github.com/viliusle/Hermite-resize
/**
* Hermite resize - fast image resize/resample using Hermite filter. 1 cpu version!
*
* @param {HtmlElement} canvas
* @param {int} widt...
How efficient can Meteor be while sharing a huge collection among many clients?
...evice inside a Meteor.setInterval, or polls a legacy REST API
from another web service. In those cases, you'd emit changes to the
merge box by calling the low-level added, changed and removed DDP API.
The Mongo driver
The Mongo driver's job is to watch the Mongo database for changes to
live queri...
Comparison of full text search engine - Lucene, Sphinx, Postgresql, MySQL?
...is pretty much game and works flawlessly.
Solr works fine on High Traffic web-applications (I read somewhere that it is not suited for this, but I am backing up that statement). It utilizes the RAM, not the CPU.
result relevance and ranking
The boost helps you rank your results show up ...
Fast permutation -> number -> permutation mapping algorithms
...e arrays" p.235) for the fast method.
The (GPLed, C++) code is on the same web page.
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深入理解 x86/x64 的中断体系 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...mik *
; * visit web site : www.mouseos.com *
; * bug send email : mik@mouseos.com *
; * *
; * ...
Is Unit Testing worth the effort? [closed]
...tests run again.
A lot of work I'm involved with doesn't Unit Test well (web application user interactions etc.), but even so we're all test infected in this shop, and happiest when we've got our tests tied down. I can't recommend the approach highly enough.
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How to parse freeform street/postal address out of text, and into components
...raphy.com
Free, open source, and ready to use geocoder and geolocalisation webservices, integrating OpenStreetMap, GeoNames and Quattroshapes.
https://github.com/kodapan/osm-common
Library for accessing OpenStreetMap services, parsing and processing data.
http://wiki.openstreetmap.org/wiki/Nominatim...