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android View not attached to window manager

... dismiss a dialog and you dont know which activity initiated the dialog in order to touch it then the following code is for you.. static class CustomDialog{ public static void initDialog(){ ... //init code ... } public static void showDialog(){ ...
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Check difference in seconds between two times

...one of the values and the time in the list as the other. Be careful of the order, as the result can be negative if dateTime1 is earlier than dateTime2. share | improve this answer | ...
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How to check type of files without extensions in python?

...tempt to classify it. There are three sets of tests, performed in this order: filesystem tests, magic number tests, and language tests. The first test that succeeds causes the file type to be printed. You would need to run the file command with the subprocess module and then parse th...
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json_encode is returning NULL?

...ult = mysql_query('SELECT `id`, `name`, `description`, `icon` FROM `staff` ORDER BY `id` DESC LIMIT 20') or die(mysql_error()); $rows = array(); while($row = mysql_fetch_assoc($result)){ $rows[] = $row; } echo json_encode($rows); ?> When iterating over mysql_num_rows you should use < n...
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'const int' vs. 'int const' as function parameters in C++ and C

...e same, although a little more explanation of the pointer case might be in order. "const int* p" is a pointer to an int that does not allow the int to be changed through that pointer. "int* const p" is a pointer to an int that cannot be changed to point to another int. See https://isocpp.org/wiki...
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XPath - Selecting elements that equal a value

.... defines the string value of an element as the concatenation (in document order) of all of its text-node descendents. This explains the "strange results". "Better" results can be obtained using the expressions below: //*[text() = 'qwerty'] The above selects every element in the document that ...
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How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?

... Also, you can rvm list known in order to see the available ruby versions that you can upgrade to. – James Chevalier Apr 20 '12 at 13:47 ...
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How do I make Git use the editor of my choice for commits?

...e VISUAL environment variable, or the EDITOR environment variable (in that order). share | improve this answer | follow | ...
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Create an instance of a class from a string

... @TaW - in order to use a class instance you will need to have some knowledge of what it is going to do - otherwise you won't be able to use it. The most common use case for this would be casting to some interface which give you a prede...
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The smallest difference between 2 Angles

...) It returns the signed delta angle. Note that depending on your API the order of the parameters for the atan2() function might be different. share | improve this answer | ...