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SQLite add Primary Key
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Introduction
This is based on Android's java and it's a good example on changing the database without annoying your application fans/customers. This is based on the idea of the SQLite FAQ page
http://sqlite.org/faq.html#q11
The problem
I did not notic...
iPad Web App: Detect Virtual Keyboard Using JavaScript in Safari?
...atforms handle onscreen keyboards in their main browsers very differently. Android Chrome shrinks the viewport height to make room for the keyboard, so the page resizes when the keyboard is shown. iOS Safari overlays the page with the keyboard (page size stays the same), and changes how scrolling wo...
Creating multiline strings in JavaScript
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Found out the hard way that older versions of Android do not support the backticks so if you have an Android app using the webView your backticks cause your app to not run!
– Michael Fever
Jun 26 '19 at 19:45
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How can I rotate an HTML 90 degrees?
...r relevant and probably not required. IE9 requires -ms- and Safari and the Android browser require -webkit-
Update 2018: Vendor prefixes are not needed anymore. Only transform is sufficient. (thanks @rinogo)
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How does Google calculate my location on a desktop?
...be in the nearest big city (IP geolocation). I believe that google uses my android smartphone to share my real location, with google maps on the desktop.
– Kim K.
Dec 4 '15 at 22:16
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MPICH vs OpenMPI
.... Such performance issues are usually network-specific and sometimes even machine-specific.
I have found Open-MPI to be more robust when using MacOS with a VPN, i.e. MPICH may hang in startup due to hostname resolution issues. As this is a bug, this issue may disappear in the future.
Binary Port...
What is the smallest possible valid PDF?
...w, my editor uses Windows newline discipline, but Acrobat accepts Windows, Mac, or Unix conventions, so by using a hex editor, I replaced the \r\n with \r and removed the last newline altogether, which leaves me with 67 bytes
25 50 44 46 2D 31 2E 0D 74 72 61 69 6C 65 72 3C
3C 2F 52 6F 6F 74 3C 3C ...
What does a just-in-time (JIT) compiler do?
...VM (Java Virtual Machine)
In C# it is in CLR (Common Language Runtime)
In Android it is in DVM (Dalvik Virtual Machine), or ART (Android RunTime) in newer versions.
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How to send a correct authorization header for basic authentication
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That solution won't work for Android's Native Browser (Pre KitKat). The username/login form will still popup for your user, so be careful.
– Sterling Bourne
Jan 20 '14 at 22:07
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JavaScript Chart Library
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SVG is not supported in pre-Honeycomb Android. If being able to view the charts on a broad range of current Android devices is a requirement, you'd have to pick a Canvas-based solution. This article on Sencha Touch Charts goes into more details on mobile charting...