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Simple Digit Recognition OCR in OpenCV-Python

...size(ROI,tmp1, Size(10,10), 0,0,INTER_LINEAR ); //resize to 10X10 tmp1.convertTo(tmp2,CV_32FC1); //convert to float sample.push_back(tmp2.reshape(1,1)); // Store sample data imshow("src",src); int c=waitKey(0); // Read corresponding label for contour from keyoard c-=0x30; //...
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How to determine CPU and memory consumption from inside a process?

...obtained from the Performance Data Helper library (PDH), which is a bit "unintuitive" and takes a lot of painful trial and error to get to work. (At least it took me quite a while, perhaps I've been only a bit stupid...) Note: for clarity all error checking has been omitted from the following code....
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Replace console output in Python

...flush() progress_x = 0 def progress(x): global progress_x x = int(x * 40 // 100) sys.stdout.write("#" * (x - progress_x)) sys.stdout.flush() progress_x = x def endProgress(): sys.stdout.write("#" * (40 - progress_x) + "]\n") sys.stdout.flush() You call startProgre...
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Check if table exists and if it doesn't exist, create it in SQL Server 2008

...cts vs. sys.tables. Basic form: IF object_id('MyTable') is not null PRINT 'Present!' ELSE PRINT 'Not accounted for' Of course this will show as "Present" if there is any object present with that name. If you want to check just tables, you'd need: IF object_id('MyTable', 'U') is not null ...
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 1

...inal doesn't interpret it as utf8 you end up with garbage. with decode you convert it to unicode, then you can encode it again to an encoding your terminal understands. – mata May 12 '12 at 8:29 ...
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Why does Python print unicode characters when the default encoding is ASCII?

...derstand the value 0xe9 (see later explanation) and is therefore unable to convert it to a unicode code point. No code point found, no character printed. (5) python attempts to implicitly encode the Unicode string with whatever's in sys.stdout.encoding. Still "UTF-8". The resulting binary string i...
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How to write a foreach in SQL Server?

...) IN (''VARCHAR'', ''CHAR'', ''NCHAR'', ''NVARCHAR'') THEN ''('' + REPLACE(CONVERT(VARCHAR(10), max_length), ''-1'', ''MAX'') + '')'' WHEN type_name(system_type_id) IN (''DECIMAL'', ''NUMERIC'') THEN ''('' + CONVERT(VARCHAR(10), precision) + '', '' + CONVERT(VARCHAR(10), scale) + '')'' ...
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Script to kill all connections to a database (More than RESTRICTED_USER ROLLBACK)

...er]; DECLARE @kill varchar(8000) = ''; SELECT @kill = @kill + 'kill ' + CONVERT(varchar(5), session_id) + ';' FROM sys.dm_exec_sessions WHERE database_id = db_id('MyDB') EXEC(@kill); For MS SQL Server 2000, 2005, 2008 USE master; DECLARE @kill varchar(8000); SET @kill = ''; SELECT @kill...
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How to drop column with constraint?

How to drop a column which is having Default constraint in SQL Server 2008? 8 Answers ...
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How do I keep Python print from adding newlines or spaces? [duplicate]

... or, you can convert them: print str(me)+str(no)+str(likee)+str(spacees)+str(pls) – fengshaun Mar 20 '09 at 19:27 2 ...