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Understanding ibeacon distancing

...asurement, you always get different results (because of noise, distortion, etc) and very often results form Gaussian distribution. There are two main parameters describing Gaussian curve: mean (which is easy to understand, it's value for which peak of the curve occurs). standard deviation, which s...
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C: Run a System Command and Get Output? [duplicate]

... want the "popen" function. Here's an example of running the command "ls /etc" and outputing to the console. #include <stdio.h> #include <stdlib.h> int main( int argc, char *argv[] ) { FILE *fp; char path[1035]; /* Open the command for reading. */ fp = popen("/bin/ls /etc/"...
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Difference between BeautifulSoup and Scrapy crawler?

...an specify constraints on how many (number of) URLs you want to crawl and fetch,etc. It is a complete framework for web-scraping or crawling. While BeautifulSoup is a parsing library which also does a pretty good job of fetching contents from URL and allows you to parse certain parts of them witho...
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How to implement a rule engine?

... right); } } Note that I used 'GreaterThan' instead of 'greater_than' etc. - this is because 'GreaterThan' is the .NET name for the operator, therefore we don't need any extra mapping. If you need custom names you can build a very simple dictionary and just translate all operators before compil...
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Algorithm to compare two images

...an remove words considered to be too common, for example 'The', 'A', 'And' etc. These words dilute our result, we want to work out how different the two corpus are so these can be removed before processing. Perhaps there are similar common signals in images that could be stripped before compressio...
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Configure apache to listen on port other than 80

... In /etc/apache2/ports.conf, change the port as Listen 8079 Then go to /etc/apache2/sites-enabled/000-default.conf And change the first line as <VirtualHost *: 8079> Now restart sudo service apache2 restart Apach...
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How do I run a spring boot executable jar in a Production environment?

...r use a systemd script. init.d example: $ln -s /var/yourapp/yourapp.jar /etc/init.d/yourapp This allows you to start, stop and restart your application like: $/etc/init.d/yourapp start|stop|restart Or use a systemd script: [Unit] Description=yourapp After=syslog.target [Service] ExecStart=/...
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Access mysql remote database from command line

... edit my.cnf file: vi /etc/my.cnf: make sure that: bind-address=YOUR-SERVER-IP and if you have the line: skip-networking make sure to comment it: #skip-networking don't forget to restart: /etc/init.d/mysqld restart ...
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Finding local IP addresses using Python's stdlib

...s won't work always (returns 127.0.0.1 on machines having the hostname in /etc/hosts as 127.0.0.1), a paliative would be what gimel shows, use socket.getfqdn() instead. Of course your machine needs a resolvable hostname. sha...
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Make XAMPP/Apache serve file outside of htdocs [closed]

...t; </VirtualHost> Open your hosts file (C:\Windows\System32\drivers\etc\hosts). Add 127.0.0.1 transitcalculator.localhost #transitCalculator to the end of the file (before the Spybot - Search & Destroy stuff if you have that installed). Save (You might have to save it to the desktop, c...