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How do multiple clients connect simultaneously to one port, say 80, on a server? [duplicate]
...icknet -m tcp -t localhost:500 -p Test payload.
This is a simple script (https://github.com/grokit/dcore/tree/master/apps/quicknet) that opens a TCP socket, sends the payload ("Test payload." in this case), waits a few seconds and disconnects. Doing netstat again while this is happening displays t...
Map vs Object in JavaScript
...
Use objects when there is logic that operates on individual elements.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map
The iterability-in-order is a feature that has long been wanted by developers, in part because it ensures the same performance in all brows...
Call a Server-side Method on a Resource in a RESTful Way
...he entity-body and HTTP headers.
As an example, take Google's URI http://www.google.com/search?q=DOG. There, the method information is GET and the scoping information is /search?q=DOG.
Long story short:
In RESTful architectures, the method information goes into the HTTP method.
In Resource-Orie...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...ts).” in Statista - The Statistics Portal. Statista. 08 Oct 2015. http://www.statista.com/statistics/259983/global-shipment-forecast-for-touch-screen-displays
[3] Smyth, Neil ``Android Studio Development Essentials” Chapter 23 CreateSpace Independent Publishing Platform, USA, 2014
[4] “Drawi...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...ts).” in Statista - The Statistics Portal. Statista. 08 Oct 2015. http://www.statista.com/statistics/259983/global-shipment-forecast-for-touch-screen-displays
[3] Smyth, Neil ``Android Studio Development Essentials” Chapter 23 CreateSpace Independent Publishing Platform, USA, 2014
[4] “Drawi...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...ts).” in Statista - The Statistics Portal. Statista. 08 Oct 2015. http://www.statista.com/statistics/259983/global-shipment-forecast-for-touch-screen-displays
[3] Smyth, Neil ``Android Studio Development Essentials” Chapter 23 CreateSpace Independent Publishing Platform, USA, 2014
[4] “Drawi...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...ts).” in Statista - The Statistics Portal. Statista. 08 Oct 2015. http://www.statista.com/statistics/259983/global-shipment-forecast-for-touch-screen-displays
[3] Smyth, Neil ``Android Studio Development Essentials” Chapter 23 CreateSpace Independent Publishing Platform, USA, 2014
[4] “Drawi...
Best way to test for a variable's existence in PHP; isset() is clearly broken
...ed and false is omitted.
You can run the tests yourself, check this gist:
https://gist.github.com/mfdj/8165967
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“Keep Me Logged In” - the best approach
..., bool $secure = false [, bool $httponly = false ]]]]]] )
secure (Using HTTPS connection)
httponly (Reduce identity theft through XSS attack)
Definitions
Token ( Unpredictable random string of n length eg. /dev/urandom)
Reference ( Unpredictable random string of n length eg. /dev/urandom)
Si...
Floating point vs integer calculations on modern hardware
...e, lower is faster and preferable):
Update to accomodate @Peter Cordes
https://gist.github.com/Lewiscowles1986/90191c59c9aedf3d08bf0b129065cccc
i7 4700MQ Linux Ubuntu Xenial 64-bit (all patches to 2018-03-13 applied)
short add: 0.773049
short sub: 0.789793
short mul: 0.960152
s...