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What's the difference between and , and ?
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They have the same effect on normal web browser rendering engines, but there is a fundamental difference between them.
As the author writes in a discussion list post:
Think of three different situations:
web browsers
blind people
mobile phones
"Bold...
Base64 length calculation?
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Each character is used to represent 6 bits (log2(64) = 6).
Therefore 4 chars are used to represent 4 * 6 = 24 bits = 3 bytes.
So you need 4*(n/3) chars to represent n bytes, and this needs to be rounded up to a multiple of 4.
The number of unused padding chars resulting from the roundin...
NumPy or Pandas: Keeping array type as integer while having a NaN value
...e a preferred way to keep the data type of a numpy array fixed as int (or int64 or whatever), while still having an element inside listed as numpy.NaN ?
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Dependency Injection vs Factory Pattern
Most of the examples quoted for usage of Dependency Injection, we can solve using the factory pattern as well. Looks like when it comes to usage/design the difference between dependency injection and factory is blurred or thin.
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Check OS version in Swift?
I'm trying to check system information in Swift. I figured out, that it could be achieved by code:
19 Answers
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How to make an empty div take space
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it works if you remove floating. http://jsbin.com/izoca/2/edit
with floats it only works if theres some content e.g.  
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Difference between numeric, float and decimal in SQL Server
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use the float or real data types only if the precision provided by decimal (up to 38 digits) is insufficient
Approximate numeric data types do not store the exact values specified for many numbers; they store an extremely close approxim...
Simulator or Emulator? What is the difference?
...re that mimics existing hardware/software, what should I call it? A simulator or an emulator?
21 Answers
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The Use of Multiple JFrames: Good or Bad Practice? [closed]
...ays images, and plays sounds from a database. I'm trying to decide whether or not to use a separate JFrame to add images to the database from the GUI.
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PHP convert date format dd/mm/yyyy => yyyy-mm-dd [duplicate]
...ng the mktime() function and other functions but I cannot seem to make it work. I have managed to explode the original date using '/' as the delimiter but I have no success changing the format and swapping the '/' with a '-' .
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