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Benefits of inline functions in C++?
...vantages of using inline functions in C++? I see that it only increases performance for the code that the compiler outputs, but with today's optimized compilers, fast CPUs, huge memory etc. (not like in the 1980< where memory was scarce and everything had to fit in 100KB of memory) what advantages d...
What exactly is Spring Framework for? [closed]
...pring , people are saying all over the web that Spring is a good framework for web development. What exactly is Spring Framework for?
...
A simple explanation of Naive Bayes Classification
...ng set.
In general all of Machine Learning Algorithms need to be trained for supervised learning tasks like classification, prediction etc. or for unsupervised learning tasks like clustering.
During the training step, the algorithms are taught with a particular input dataset (training set) so tha...
Optional Parameters with C++ Macros
...
Here's one way to do it. It uses the list of arguments twice, first to form the name of the helper macro, and then to pass the arguments to that helper macro. It uses a standard trick to count the number of arguments to a macro.
enum
{
plain = 0,
bold = 1,
italic = 2
};
void Print...
C++ preprocessor __VA_ARGS__ number of arguments
Simple question for which I could not find answer on the net. In variadic argument macros, how to find the number of arguments? I am okay with boost preprocessor, if it has the solution.
...
Build an ASCII chart of the most commonly used words in a given text [closed]
...ppy in its hardware control and measurement niche, but really pretty awful for string manipulation.
– Joe Z
Jul 4 '10 at 6:23
...
How to properly assert that an exception gets raised in pytest?
... exception is caught, it is bad style,
# because the test result is less informative
# than it would be with pytest.raises(e)
# (it just says pass or fail.)
def test_passes_but_bad_style():
try:
x = 1 / 0
assert False
except ZeroDivisionError:
assert True
def test_f...
What is the most efficient/elegant way to parse a flat table into a tree?
...t can be stored in the same table too. Read "Trees and Hierarchies in SQL for Smarties" by Joe Celko for a lot more information on these designs.
I usually prefer a design called Closure Table (aka "Adjacency Relation") for storing tree-structured data. It requires another table, but then queryin...
String concatenation in Ruby
I am looking for a more elegant way of concatenating strings in Ruby.
16 Answers
16
...
Obfuscated C Code Contest 2006. Please explain sykes2.c
...// newline
}
}
Note that -~i == i+1 because of twos-complement. Therefore, we have
main(int i) {
if(i != 448)
main(i+1);
i--;
if(i % 64 == 0) {
putchar('\n');
} else {
char a = -~7[__TIME__-i/8%8][">'txiZ^(~z?"-48];
char b = a >> ";;;==...