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What's the difference between ASCII and Unicode?
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ASCII defines 128 characters, which map to the numbers 0–127. Unicode defines (less than) 221 characters, which, similarly, map to numbers 0–221 (though not all numbers are currently assigned, and some are reserved).
Unicode is a superset of ASCII, and the numbers 0–127 ha...
How to center a (background) image within a div?
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answered Feb 18 '11 at 10:39
Jake LucasJake Lucas
9,57677 gold badges3535 silver badges3838 bronze badges
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PHP: How to remove all non printable characters in a string?
I imagine I need to remove chars 0-31 and 127,
17 Answers
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What is the difference between Strategy pattern and Dependency Injection?
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109
DI and Strategy work in the same way, but Strategy is used for more fine-grained and short-live...
Stopping fixed position scrolling at a certain point?
... I want the element to stop scrolling at a certain point, say when it is 250px from the top of the page, is this possible? Any help or advice would be helpful thanks!
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Explanation of strong and weak storage in iOS5
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509
The difference is that an object will be deallocated as soon as there are no strong pointers to...
How do I create 7-Zip archives with .NET?
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answered Oct 21 '08 at 14:18
workmad3workmad3
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How to replace (or strip) an extension from a filename in Python?
...hat you want.
import os
print os.path.splitext('/home/user/somefile.txt')[0]+'.jpg'
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How can I calculate the difference between two dates?
How can I calculate the days between 1 Jan 2010 and (for example) 3 Feb 2010?
9 Answers
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How to calculate percentage with a SQL statement
... does work. The answer by gordyii was close but had the multiplication of 100 in the wrong place and had some missing parenthesis.
Select Grade, (Count(Grade)* 100 / (Select Count(*) From MyTable)) as Score
From MyTable
Group By Grade
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