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How to detect a Christmas Tree? [closed]
...nst the blue-green background which is prevalent in most of the photos. I convert the rgb image to hsv space, and require that the hue is either less than 0.2 on a 0.0-1.0 scale (corresponding roughly to the border between yellow and green) or greater than 0.95 (corresponding to the border between ...
How to check visibility of software keyboard in Android?
... pixels is not sufficient for xxhdpi devices such as the Nexus 4. Consider converting that value to DPs if you really want to use this hacky work-around.
– Paul Lammertsma
Jan 3 '13 at 10:41
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Comparing date ranges
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I created function to deal with this problem in MySQL. Just convert the dates to seconds before use.
DELIMITER ;;
CREATE FUNCTION overlap_interval(x INT,y INT,a INT,b INT)
RETURNS INTEGER DETERMINISTIC
BEGIN
DECLARE
overlap_amount INTEGER;
IF (((x <= a) AND (a < y)) OR...
Oracle PL/SQL - How to create a simple array variable?
... j-chomel's version (stackoverflow.com/a/40579334/1915920) based on sys.odcivarchar2list below has the advantage, that you also have a constructor at hand, e.g. for function param default initialization: sys.odcivarchar2list('val1','val2')
– Andreas Dietrich
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Build the full path filename in Python
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Keep in mind that os.path.join() exists only because different operating systems use different path separator characters. It smooths over that difference so cross-platform code doesn't have to be cluttered with special cases for each OS. There is no need to do this for file name "extensions" (see ...
How to convert a char array to a string?
Converting a C++ string to a char array is pretty straightorward using the c_str function of string and then doing strcpy . However, how to do the opposite?
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Best approach to remove time part of datetime in SQL Server
...pe resulted in an out-of-range datetime value Try: select DATEDIFF(dd, 0, convert(datetime2(0), '0218-09-12', 120))
– Bernhard Döbler
Sep 12 '18 at 16:03
1
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Save ArrayList to SharedPreferences
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After API 11 the SharedPreferences Editor accepts Sets. You could convert your List into a HashSet or something similar and store it like that. When you read it back, convert it into an ArrayList, sort it if needed and you're good to go.
//Retrieve the values
Set<String> set = myScore...
Int to Char in C#
What is the best way to convert an Int value to the corresponding Char in Utf16, given that the Int is in the range of valid values?
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Converting from a string to boolean in Python?
Does anyone know how to do convert from a string to a boolean in Python? I found this link . But it doesn't look like a proper way to do it. I.e. using built-in functionality, etc.
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