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Can't operator == be applied to generic types in C#?
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edited Dec 30 '11 at 14:45
Enigma State
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How to print a int64_t type in C
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438
For int64_t type:
#include <inttypes.h>
int64_t t;
printf("%" PRId64 "\n", t);
for uin...
Java SimpleDateFormat(“yyyy-MM-dd'T'HH:mm:ss'Z'”) gives timezone as IST
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edited Jan 22 '15 at 3:26
AZ_
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answere...
How do I print the type of a variable in Rust?
...e, set the variable to a type which doesn't work:
let mut my_number: () = 32.90;
// let () = x; would work too
error[E0308]: mismatched types
--> src/main.rs:2:29
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2 | let mut my_number: () = 32.90;
| ^^^^^ expected (), found floating-point number
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= ...
What does auto&& tell us?
...n. So here's a contrived example:
std::vector<int> global_vec{1, 2, 3, 4};
template <typename T>
T get_vector()
{
return global_vec;
}
template <typename T>
void foo()
{
auto&& vec = get_vector<T>();
auto i = std::begin(vec);
(*i)++;
std::cout << ve...
How do you print in a Go test using the “testing” package?
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Pang
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answered Apr 21 '14 at 20:50
voidlogicvoidlogic
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How can I return NULL from a generic method in C#?
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13 Answers
13
Active
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How to access random item in list?
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Mehrdad AfshariMehrdad Afshari
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initializer_list and move semantics
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edited Dec 10 '14 at 23:56
answered Nov 19 '11 at 9:38
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Best way to check for “empty or null value”
...char(5) = ' '::char(5) AS eq2
, ''::char(5) = ' '::char(5) AS eq3;
Result:
eq1 | eq2 | eq3
----+-----+----
t | t | t
Test for "null or empty string" with char(n):
SELECT stringexpression
, stringexpression = '' AS base_test
, (stringexpression = '') ...