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Java to Clojure rewrite
...by my company to rewrite a largish (50,000 single lines of code) Java application (a web app using JSP and servlets) in Clojure. Has anyone else got tips as to what I should watch out for?
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What is the advantage of using forwarding references in range-based for loops?
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The only advantage I can see is when the sequence iterator returns a proxy reference and you need to operate on that reference in a non-const way. For example consider:
#include <vector>
int main()
{
std::vector<bool> v(10);
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Rename specific column(s) in pandas
I've got a dataframe called data . How would I rename the only one column header? For example gdp to log(gdp) ?
5 Answe...
Why does find -exec mv {} ./target/ + not work?
...ore times, with the manual page supporting me:
the total number of invocations of the command will be much less than the number of matched files.
Note this quote from the manual page:
The command line is built in much the same way that xargs builds its command lines
That's why no char...
vs
... global namespace anyway, and C++11 ratified this practice[*]. So, you basically have three options:
Use <cstdint> and either fully qualify each integer type you use or else bring it into scope with using std::int32_t; etc (annoying because verbose, but it's the right way to do it just like ...
Static variables in member functions
Can someone please explain how static variables in member functions work in C++.
4 Answers
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How to configure slf4j-simple
api 1.7 and slf4j-simple as implementation. I just can't find how to configure the logging level with this combination.
4 ...
What is the “owning side” in an ORM mapping?
...t in relational databases there are no bidirectional relations like in the case of objects. In databases we only have unidirectional relations - foreign keys.
What is the reason for the name 'owning side'?
The owning side of the relation tracked by Hibernate is the side of the relation that owns ...
Why does the MongoDB Java driver use a random number generator in a conditional?
... reversed logic: here the event is logged if either _ok or in 10% of other cases, whereas the code in 2. returns 10% of the times and logs 90% of the times. So the later commit ruined not only clarity, but correctness itself.
I think in the code you have posted we can actually see how the author i...
parseInt(null, 24) === 23… wait, what?
...d trying to convert it. For radixes 0 through 23, there are no numerals it can convert, so it returns NaN. At 24, "n", the 14th letter, is added to the numeral system. At 31, "u", the 21st letter, is added and the entire string can be decoded. At 37 on there is no longer any valid numeral set that c...