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Mediator Vs Observer Object-Oriented Design Patterns
...d want to use the observer pattern, they key is that an object should not know what other objects are observing it's state.
Mediator is a little more specific, it avoids having classes communicate directly but instead through a mediator. This helps the Single Responsibility principle by allowing co...
How to stop IntelliJ truncating output when I run a build?
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This can (now) be edited in the Intellij IDEA settings.
This has probably been in Intellij IDEA for a while, and certainly is as of Intellij IDEA 15.
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How to get error information when HttpWebRequest.GetResponse() fails
...exception text into the body of the response, then set status code to 500. Now the client would throw an exception when it encounters a 500 error but you could read the response stream and fetch the message of the exception.
So you could catch a WebException which is what will be thrown if a non 20...
Handling very large numbers in Python
... example of a huge integer value, fib(4000000).
But still it does not (for now) supports an arbitrarily large float !!
If you need one big, large, float then check up on the decimal Module. There are examples of use on these foruns: OverflowError: (34, 'Result too large')
Another reference: http://d...
Build .so file from .c file using gcc command line
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gcc -c -fPIC hello.c -o hello.o
This will generate an object file (.o), now you take it and create the .so file:
gcc hello.o -shared -o libhello.so
EDIT: Suggestions from the comments:
You can use
gcc -shared -o libhello.so -fPIC hello.c
to do it in one step. – Jonathan Leffler
I also s...
n-grams in python, four, five, six grams?
...k a whole document such as txt ? I am not familiar with Python so I don't know if it can open up a txt file and then use the N-gram analysis to check through ?
– maoyi
Apr 28 '16 at 20:21
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EditText underline below text property
I would like to change the blue colour below the edit text, i don't know what property it is.
14 Answers
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Change MySQL default character set to UTF-8 in my.cnf?
...utf8
If you want to change the character set for an existing DB, let me know... your question didn't specify it directly so I am not sure if that's what you want to do.
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Difference between std::result_of and decltype
...f a deduction failure. That has been corrected in C++14: std::result_of is now required to be SFINAE-friendly (thanks to this paper).
So on a conforming C++14 compiler, std::result_of_t<F(Args...)> is strictly superior. It's clearer, shorter, and correctly† supports more Fs‡ .
†Unless...
What does the “at” (@) symbol do in Python?
...which used the @ symbol, but I have no idea what it does. I also do not know what to search for as searching Python docs or Google does not return relevant results when the @ symbol is included.
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