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Is a URL allowed to contain a space?
Is a URI (specifically an HTTP URL) allowed to contain one or more space characters? If a URL must be encoded, is + just a commonly followed convention, or a legitimate alternative?
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Can multiple different HTML elements have the same ID if they're different elements?
...iple HTML elements have the same ID if they're of different element types? Is a scenario like this valid? Eg:
16 Answers
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pyplot scatter plot marker size
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This can be a somewhat confusing way of defining the size but you are basically specifying the area of the marker. This means, to double the width (or height) of the marker you need to increase s by a factor of 4. [because A = ...
Does java.util.List.isEmpty() check if the list itself is null? [duplicate]
Does java.util.List.isEmpty() check if the list itself is null , or do I have to do this check myself?
8 Answers
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Is multiplication and division using shift operators in C actually faster?
Multiplication and division can be achieved using bit operators, for example
19 Answers
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Naming of ID columns in database tables
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ID is a SQL Antipattern.
See http://www.amazon.com/s/ref=nb_sb_ss_i_1_5?url=search-alias%3Dstripbooks&field-keywords=sql+antipatterns&sprefix=sql+a
If you have many tables with ID as the id you are making reporting tha...
What is the good python3 equivalent for auto tuple unpacking in lambda?
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No, there is no other way. You covered it all. The way to go would be to raise this issue on the Python ideas mailing list, but be prepared to argue a lot over there to gain some traction.
Actually, just not to say "there is no way o...
Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req
...right you are doing an XMLHttpRequest to a different domain than your page is on. So the browser is blocking it as it usually allows a request in the same origin for security reasons. You need to do something different when you want to do a cross-domain request. A tutorial about how to achieve that ...
Check to see if a string is serialized?
What's the best way to determine whether or not a string is the result of the serialize() function?
10 Answers
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What's the difference between encoding and charset?
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Basically:
charset is the set of characters you can use
encoding is the way these characters are stored into memory
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