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How does Python 2 compare string and int? Why do lists compare as greater than numbers, and tuples g
... the expected way (lexicographic ordering for string, numeric ordering for integers).
When you order a numeric and a non-numeric type, the numeric type comes first.
>>> 5 < 'foo'
True
>>> 5 < (1, 2)
True
>>> 5 < {}
True
>>> 5 < [1, 2]
True
When you...
Regex to replace everything except numbers and a decimal point
...
This is great to convert already-formatted numbers like money to a computable float.
– lu1s
Jan 12 '17 at 0:15
add a ...
What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
...ng this wanted to see.
For GCC:
$ cat test.cpp
#include <iostream>
int main(int argc, char **argv)
{
std::cout << __func__ << std::endl
<< __FUNCTION__ << std::endl
<< __PRETTY_FUNCTION__ << std::endl;
}
$ g++ test.cpp
$ ./...
Size of character ('a') in C/C++
...
In C, the type of a character constant like 'a' is actually an int, with size of 4 (or some other implementation-dependent value). In C++, the type is char, with size of 1. This is one of many small differences between the two languages.
...
How to disable GCC warnings for a few lines of code
...member the state of the diagnostics as of each push, and restore to that point at each pop. If a pop has no matching push, the command-line options are restored." -- from the GCC manual: gcc.gnu.org/onlinedocs/gcc/Diagnostic-Pragmas.html
– bobpaul
Jan 11 '13 at...
Undefined behavior and sequence points
What are "sequence points"?
5 Answers
5
...
What is the easiest way to ignore a JPA field during persistence?
...
But then jackson will not serialize the field when converting to JSON...how to solve?
– MobileMon
Jan 20 '16 at 3:44
...
MVC Razor dynamic model, 'object' does not contain definition for 'PropertyName'
...
On .NET 4.0 Anonymous types can easily be converted to ExpandoObjects and thus all the problems are fixed with the overhead of the conversion itself.
Check out here
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...
How to use clock() in C++
...
#include <iostream>
#include <cstdio>
#include <ctime>
int main() {
std::clock_t start;
double duration;
start = std::clock();
/* Your algorithm here */
duration = ( std::clock() - start ) / (double) CLOCKS_PER_SEC;
std::cout<<"printf: "<< ...
What's the point of g++ -Wreorder?
...
Consider:
struct A {
int i;
int j;
A() : j(0), i(j) { }
};
Now i is initialized to some unknown value, not zero.
Alternatively, the initialization of i may have some side effects for which the order is important. E.g.
A(int n) : j(n++...