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“android.view.WindowManager$BadTokenException: Unable to add window” on buider.show()
...o show AlertDialog . After dismissing it, when the OK button is pressed, forward to Google Play for purchase.
10 Answers
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What methods of ‘clearfix’ can I use?
...rfix does have useful applications but it has also been used as a hack. Before you use a clearfix perhaps these modern css solutions can be useful:
css flexbox
css grid
Modern Clearfix Solutions
Container with overflow: auto;
The simplest way to clear floated elements is using the style ov...
How to turn on front flash light programmatically in Android?
...sh light (not with camera preview) programmatically in Android. I googled for it but the help i found referred me to this page
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How do I create a nice-looking DMG for Mac OS X using command-line tools?
I need to create a nice installer for a Mac application. I want it to be a disk image (DMG), with a predefined size, layout and background image.
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Testing if a checkbox is checked with jQuery
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Use .is(':checked') to determine whether or not it's checked, and then set your value accordingly.
More information here.
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start MySQL server from command line on Mac OS Lion
I installed mySQL for my Mac. Beside starting the SQL server with mySQL.prefPane tool installed in System Preference, I want to know the instruction to start from command-line.
I do as follow:
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Small Haskell program compiled with GHC into huge binary
...e, x86-64, version 1 (SYSV),
dynamically linked (uses shared libs), for GNU/Linux 2.6.27, not stripped
$ ldd A
linux-vdso.so.1 => (0x00007fff1b9ff000)
libXrandr.so.2 => /usr/lib/libXrandr.so.2 (0x00007fb21f418000)
libX11.so.6 => /usr/lib/libX11.so.6 (0x00007fb21f0d9000...
Cost of len() function
What is the cost of len() function for Python built-ins? (list/tuple/string/dictionary)
5 Answers
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What does the exclamation mark do before the function?
...igher precedence than ! and instantly calls the function.
So what the author is doing is saving a byte per function expression; a more readable way of writing it would be this:
(function(){})();
Lastly, ! makes the expression return true. This is because by default all IIFE return undefined, whi...
Java - get pixel array from image
I'm looking for the fastest way to get pixel data (int the form int[][] ) from a BufferedImage . My goal is to be able to address pixel (x, y) from the image using int[x][y] . All the methods I have found do not do this (most of them return int[] s).
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