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Apache and Node.js on the Same Server
...created as nodejs.js):
//notice the /nodejs path
var socket = io.connect('https://www.example.com/nodejs');
//listener for user joined
socket.on('user joined', function(data) {
// code... data shows who joined...
});
//listener for user left
socket.on('user left', function(data) {
// code...
How to calculate time elapsed in bash script?
...{a[@]}"
The use of long number of seconds is valid and documented here:
https://www.gnu.org/software/coreutils/manual/html_node/Examples-of-date.html#Examples-of-date
Busybox date
A tool used in smaller devices (a very small executable to install): Busybox.
Either make a link to busybox call...
Why does an image captured using camera intent gets rotated on some devices on Android?
...e to use ExifInterface to get the orientation because an Android OS issue:
https://code.google.com/p/android/issues/detail?id=19268
And here is calculateInSampleSize
/**
* Calculate an inSampleSize for use in a {@link BitmapFactory.Options} object when decoding
* bitmaps using the decode* method...
How to overlay one div over another div
...div id="navi">a</div>
<div id="infoi">
<img src="https://appharbor.com/assets/images/stackoverflow-logo.png" height="20" width="32" />b
</div>
</div>
I would suggest learning about position: relative and child elements with position: absolute.
...
What is the difference between a weak reference and an unowned reference?
....
Check out the examples on using strong, weak, and unowned in closures:
https://developer.apple.com/library/ios/documentation/swift/conceptual/swift_programming_language/AutomaticReferenceCounting.html
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Android splash screen image sizes to fit all devices
...ke 9-patch image. Now to make the 9 patch image is the easiest task.
From https://romannurik.github.io/AndroidAssetStudio/index.html you can make a 9-patch image for all the resolutions - XHDPI,HDPI,MDPI,LDPI in just one click.
...
Using Phonegap for Native Application development [closed]
...omposer, ApplicationPreferences, Splashscreen, NetworkActivityIndicator... https://github.com/phonegap/phonegap-plugins
Architecture
Architecting your App in Ext JS 4: http://www.sencha.com/learn/architecting-your-app-in-ext-js-4-part-2
...
Is floating-point math consistent in C#? Can it be?
... do about 70million additions/multiplications per second on my 2.66GHz i3.
https://github.com/CodesInChaos/SoftFloat . Obviously it's still very incomplete and buggy.
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What is the global interpreter lock (GIL) in CPython?
...use it. Python has a construct called the Global Interpreter Lock (GIL).
https://www.youtube.com/watch?v=ph374fJqFPE
The GIL makes sure that only one of your 'threads' can execute at any one time. A thread acquires the GIL, does a little work, then passes the GIL onto the next thread. This happen...
Why is React's concept of Virtual DOM said to be more performant than dirty model checking?
...nt is limited by UIs. Pete's link above covers more of the perf benefits.
https://news.ycombinator.com/item?id=6937668
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