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C/C++ macro string concatenation
...ine PPCAT_NX(A, B) A ## B
PPCAT_NX("s", "1")
produces this error message from the preprocessing phase of gcc: error: pasting ""s"" and ""1"" does not give a valid preprocessing token
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However, for general token pasting, try this:
/*
* Concatenate preprocessor tokens A and B without expanding...
Putting git hooks into repository
...ave to do it themselves.
Second, directly symlinking hooks prevents users from adding in their own personal hooks. For example, I rather like the sample pre-commit hook which makes sure I don't have any whitespace errors. A great way around this is to drop in a hook wrapper script in your repo, and...
Is there a standardized method to swap two variables in Python?
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Python evaluates expressions from left to right. Notice that while
evaluating an assignment, the right-hand side is evaluated before the
left-hand side.
http://docs.python.org/3/reference/expressions.html#evaluation-order
That means the follow...
What are the differences between “=” and “
...ion). In fact, ?Syntax in R gives the following operator precedence table, from highest to lowest:
…
‘-> ->>’ rightwards assignment
‘<- <<-’ assignment (right to left)
‘=’ assignment (right to left)
…
But is this the only diff...
Remove multiple whitespaces
I'm getting $row['message'] from a MySQL database and I need to remove all whitespace like \n \t and so on.
15 Answer...
Can a local variable's memory be accessed outside its scope?
...rized to be in the room. Nor is there a mysterious force that prevents you from entering a room with a stolen key.
The hotel management is not required to remove your book. You didn't make a contract with them that said that if you leave stuff behind, they'll shred it for you. If you illegally re-e...
Limitations of SQL Server Express
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But this is easily worked around: Is there a way to stop SQL Express 2008 from Idling?
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Is it possible to set async:false to $.getJSON call
...onous XMLHttpRequest outside of workers is in the process of being removed from the web platform as it has detrimental effects to the end user's experience. (This is a long process that takes many years.) Developers must not pass false for the async argument when entry settings object's global objec...
How can I specify a local gem in my Gemfile?
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I had to remove version directive from the gem line to get this to work.
– Epigene
Jan 27 '16 at 15:20
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No serializer found for class org.hibernate.proxy.pojo.javassist.Javassist?
...ed in previous answers, lazy loading means that when you fetch your object from the database, the nested objects are not fetched (and may be fetched later when required).
Now Jackson tries to serialize the nested object (== make JSON out of it), but fails as it finds JavassistLazyInitializer instea...