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Default template arguments for function templates
... I proved with the following code:
#include <iostream>
#include <string>
#include <sstream>
#include <ctype.h>
template <typename T> T prettify(T t) { return t; }
std::string prettify(char c) {
std::stringstream ss;
if (isprint((unsigned char)c)) {
ss...
How To Test if Type is Primitive
...e can think that are primitives, but they aren´t, for example Decimal and String.
Edit 1: Added sample code
Here is a sample code:
if (t.IsPrimitive || t == typeof(Decimal) || t == typeof(String) || ... )
{
// Is Primitive, or Decimal, or String
}
Edit 2: As @SLaks comments, there are othe...
Standard alternative to GCC's ##__VA_ARGS__ trick?
...argc, char *argv[])
{
BAR("first test");
BAR("second test: %s", "a string");
return 0;
}
This same trick is used to:
count the number of arguments
expand differently depending on the number of arguments
append to __VA_ARGS__
Explanation
The strategy is to separate __VA_ARGS__ into...
Custom method names in ASP.NET Web API
...ontroller below:
public class TestController : ApiController
{
public string Get()
{
return string.Empty;
}
public string Get(int id)
{
return string.Empty;
}
public string GetAll()
{
return string.Empty;
}
public void Post([FromBod...
How can I perform a reverse string search in Excel without using VBA?
I have an Excel spreadsheet containing a list of strings. Each string is made up of several words, but the number of words in each string is different.
...
What is the difference between trie and radix trie data structures?
...ll be root["smiles"[5]]. This brings us to smiles_item, and the end of our string. Our search has terminated, and the item has been retrieved, with just three node accesses instead of eight.
What is a PATRICIA trie?
A PATRICIA trie is a variant of radix tries for which there should only ever be ...
what is Segmentation fault (core dumped)? [duplicate]
...f), you should use the %f format specifier. The %s format specifier is for strings ('\0'-terminated character arrays).
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Size of character ('a') in C/C++
What is the size of character in C and C++ ? As far as I know the size of char is 1 byte in both C and C++.
4 Answers
...
Objective-C formatting string for boolean?
...
One way to do it is to convert to strings (since there are only two possibilities, it isn't hard):
NSLog(@" %s", BOOL_VAL ? "true" : "false");
I don't think there is a format specifier for boolean values.
...
Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
...SDictionary *r3 = @{@"bool" : @((BOOL)true)};
Then we convert it to JSON string before sending as
NSData *data = [NSJSONSerialization dataWithJSONObject:requestParams options:0 error:nil];
NSString *jsonString = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
The result is
...