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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...
What are the undocumented features and limitations of the Windows FINDSTR command?
...t is woefully inadequate. There is a wee bit more documentation online at https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/findstr .
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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.
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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.
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What happens to a declared, uninitialized variable in C? Does it have a value?
... why is it this way? A different SO answer deals with that question, see: https://stackoverflow.com/a/2091505/140740
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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
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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...