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How do I get the entity that represents the current user in Symfony2?
I am using the Symfony security setup. Everything works fine, but I don't know how to do one important thing:
6 Answers
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Objective-C: Reading a file line by line
... want to treat each line as an NSString. What is the most efficient way of doing this?
18 Answers
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How do you read a file into a list in Python? [duplicate]
I want to prompt a user for a number of random numbers to be generated and saved to a file. He gave us that part. The part we have to do is to open that file, convert the numbers into a list, then find the mean, standard deviation, etc. without using the easy built-in Python tools.
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Python function overloading
I know that Python does not support method overloading, but I've run into a problem that I can't seem to solve in a nice Pythonic way.
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Given an RGB value, how do I create a tint (or shade)?
Given an RGB value, like 168, 0, 255 , how do I create tints (make it lighter) and shades (make it darker) of the color?
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Log4net does not write the log in the log file
...reated a simple scenario using Log4net, but it seems that my log appenders do not work because the messages are not added to the log file.
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How do you remove duplicates from a list whilst preserving order?
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seen = set()
[x for x in seq if x not in seen and not seen.add(x)]
and doesn't utilize the ugly hack:
not seen.add(x)
which relies on the fact that set.add is an in-place method that always returns None so not None evaluates to True.
Note however that the hack solution is faster in raw speed...
Git: “please tell me who you are” error
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If you swap [23] and 1, the config will not work at all.
Wish this will do some help.
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What do the parentheses around a function name mean?
... well; I didn't look for macros... And I did not knew that macro expansion does not take place within parentheses, Thanks for pointing that out!
– user1859094
Nov 28 '12 at 8:49
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explicit casting from super class to subclass
The assignment Dog dog = (Dog) animal; does not generate a compilation error, but at runtime it generates a ClassCastException . Why can't the compiler detect this error?
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