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How to round a number to n decimal places in Java
... rounds using the half-up method - i.e. if the decimal to be rounded is 5, it always rounds up to the next number. This is the standard method of rounding most people expect in most situations.
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Footnotes for tables in LaTeX
...note{} for a value in a table, the footnote doesn't show up. How do I get it to show up? Also, is it possible to get it to show up at the bottom of the table rather than the bottom of the page?
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`levels
...are good, but they are missing an important point. Let me try and describe it.
R is a functional language and does not like to mutate its objects. But it does allow assignment statements, using replacement functions:
levels(x) <- y
is equivalent to
x <- `levels<-`(x, y)
The trick is,...
How do you track record relations in NoSQL?
... you don't design your database based on the relationships between data entities. You design your database based on the queries you will run against it. Use the same criteria you would use to denormalize a relational database: if it's more important for data to have cohesion (think of values in a...
Default constructor with empty brackets
...oblem:
std::ifstream ifs("file.txt");
std::vector<T> v(std::istream_iterator<T>(ifs), std::istream_iterator<T>());
v is interpreted as a declaration of function with 2 parameters.
The workaround is to add another pair of parentheses:
std::vector<T> v((std::istream_iterat...
Java maximum memory on Windows XP
...'ve always been able to allocate 1400 megabytes for Java SE running on 32-bit Windows XP (Java 1.4, 1.5 and 1.6).
13 Answer...
How to split a long regular expression into multiple lines in JavaScript?
I have a very long regular expression, which I wish to split into multiple lines in my JavaScript code to keep each line length 80 characters according to JSLint rules. It's just better for reading, I think.
Here's pattern sample:
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Pycharm does not show plot
...follow
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edited Jul 9 at 3:01
Phil S
3566 bronze badges
answered Oct 27 '17 at 0:07
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Maximum single-sell profit
...tock prices on a single day. We want to find a pair (buyDay, sellDay) , with buyDay ≤ sellDay , such that if we bought the stock on buyDay and sold it on sellDay , we would maximize our profit.
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How do I use a custom deleter with a std::unique_ptr member?
I have a class with a unique_ptr member.
6 Answers
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