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Instance variables vs. class variables in Python
I have Python classes, of which I need only one instance at runtim>me m>, so it would be sufficient to have the attributes only once per class and not per instance. If there would be more than one instance (which won't happen), all instance should have the sam>me m> configuration. I wonder which of the follow...
Find difference between tim>me m>stamps in seconds in PostgreSQL
I have a table in PostgreSQL 8.3 with 2 tim>me m>stamp columns. I would like to get the difference between these tim>me m>stamps in seconds. Could you please help m>me m> how to get this done?
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What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
I am learning advanced PHP standards and trying to implem>me m>nt new and useful m>me m>thods. Earlier I was using __autoload just to escape including multiple files on each page, but recently I have seen a tip on __autoload manual
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Generic type param>me m>ter naming convention for Java (with multiple chars)?
In som>me m> interfaces I wrote I'd like to nam>me m> generic type param>me m>ters with more than one character to make the code more readable.
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NSDictionary - Need to check whether dictionary contains key-value pair or not
I just need to ask som>me m>thing as follow.
Suppose I am having a dictionary.
2 Answers
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How to get the nam>me m> of a class without the package?
In C# we have Type.FullNam>me m> and Type.Nam>me m> for getting the nam>me m> of a type (class in this case) with or without the nam>me m>space (package in java-world).
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How do I trim whitespace from a string?
...l consecutive spaces? If the second, then strings already have a .strip() m>me m>thod:
>>> ' Hello '.strip()
'Hello'
>>> ' Hello'.strip()
'Hello'
>>> 'Bob has a cat'.strip()
'Bob has a cat'
>>> ' Hello '.strip() # ALL consecutive spaces at both ends removed
'Hel...
increase legend font size ggplot2
... a way to increase the font size in ggplot2 ? I think I need to specify som>me m>thing like legend.key.width = unit(2, "line") in the them>me m> function, but that is used to adjust the keys in legends, not the font sizes. Thanks!
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How to trigger jQuery change event in code
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Use the trigger() m>me m>thod
$(selector).trigger("change");
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Hidden Features of Xcode
... Better yet, open the header, ⌘⌥⇡ to open the .m in the sam>me m> window, then ⌘⌥⇠/⇢ to switch between them.
– Peter Hosey
May 8 '09 at 19:56
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