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How to create directory automatically on SD card

...ollowing location FileOutputStream fos = new FileOutputStream("/sdcard/Wallpaper/"+fileName); but I'm getting the exception java.io.FileNotFoundException However, when I put the path as "/sdcard/" it works. ...
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Efficient SQL test query or validation query that will work across all (or most) databases

...for idleness. For example, the JDBC pooling library c3p0 has a property called preferredTestQuery , which gets executed on the connection at configured intervals. Similarly, Apache Commons DBCP has validationQuery . ...
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How can I make a jQuery UI 'draggable()' div draggable for touchscreen?

...le() that works in Firefox and Chrome. The user interface concept is basically click to create a "post-it" type item. 7 An...
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How can I remove a trailing newline?

...; 'test string\n'.rstrip() 'test string' Python's rstrip() method strips all kinds of trailing whitespace by default, not just one newline as Perl does with chomp. >>> 'test string \n \r\n\n\r \n\n'.rstrip() 'test string' To strip only newlines: >>> 'test string \n \r\n\n\r \...
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Using custom fonts using CSS?

... Generically, you can use a custom font using @font-face in your CSS. Here's a very basic example: @font-face { font-family: 'YourFontName'; /*a name to be used later*/ src: url('http://domain.com/fonts/font.ttf'); /*URL to ...
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Setting different color for each series in scatter plot on matplotlib

... I don't know what you mean by 'manually'. You can choose a colourmap and make a colour array easily enough: import numpy as np import matplotlib.pyplot as plt import matplotlib.cm as cm x = np.arange(10) ys = [i+x+(i*x)**2 for i in range(10)] colors = cm.ra...
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Usages of Null / Nothing / Unit in Scala

...wered Apr 23 '13 at 16:40 pagoda_5bpagoda_5b 6,84711 gold badge2323 silver badges3737 bronze badges ...
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How to rename a table in SQL Server?

... And to add, don't accidentally put the schema in the 'NewName' field, otherwise your table might end up looking something like dbo.dbo.NewName. – Michael Plautz Jan 23 '17 at 21:12 ...
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How to change port number for apache in WAMP

I am new to WAMP server and installed it on my system but after installing it when I check it by going to localhost url like this http://localhost/ in the browser it is not working. I am getting a 404 error and blank page . ...
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Meaning of $? (dollar question mark) in shell scripts

.../drush status bootstrap | grep -q $(vendor/bin/drush php-eval 'if (function_exists("t")) echo t("Successful");') &> /dev/null;. If I had to put that in a single line if [ ... ] it would be terribly unreadable. I plan to store the output of that line to a variable so I can just say if [ $drupa...