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image processing to improve tesseract OCR accuracy
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110
fix DPI (if needed) 300 DPI is minimum
fix text size (e.g. 12 pt should be ok)
try to fix text ...
How do I calculate a point on a circle’s circumference?
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600
The parametric equation for a circle is
x = cx + r * cos(a)
y = cy + r * sin(a)
Where r is t...
How to get the last element of an array in Ruby?
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205
Use -1 index (negative indices count backward from the end of the array):
a[-1] # => 5
b[-1...
List all svn:externals recursively?
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answered Mar 25 '09 at 16:04
Wim CoenenWim Coenen
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Does MySQL foreign_key_checks affect the entire database?
..." for scope. This means it can be set for session:
SET FOREIGN_KEY_CHECKS=0;
or globally:
SET GLOBAL FOREIGN_KEY_CHECKS=0;
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PHP: Count a stdClass object
...urn the right number when I run the count($obj) function. The object has 30 properties, but the return on the count() function is say 1.
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How to retrieve an element from a set without removing it?
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answered Sep 12 '08 at 20:08
Blair ConradBlair Conrad
190k2424 gold badges124124 silver badges107107 bronze badges
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jQuery check if an input is type checkbox?
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answered Sep 28 '09 at 18:49
Ken BrowningKen Browning
26.5k66 gold badges5252 silver badges6666 bronze badges
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How to print a string in fixed width?
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EDIT 2013-12-11 - This answer is very old. It is still valid and correct, but people looking at this should prefer the new format syntax.
You can use string formatting like this:
>>> print '%5s' % 'aa'
aa
>>>...
Add 2 hours to current time in MySQL?
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edited Aug 20 '13 at 7:23
answered Feb 26 '09 at 8:41
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