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How to get the error message from the error code returned by GetLastError()?
...
//Returns the last Win32 error, in string format. Returns an empty string if there is no error.
std::string GetLastErrorAsString()
{
//Get the error message, if any.
DWORD errorMessageID = ::GetLastError();
if(errorMessageID == 0)
return st...
How does delete[] know it's an array?
...oo;
then the memory space that's allocated for foo shouldn't include any extra overhead that would be needed to support arrays of Foo.
Since only array allocations are set up to carry the extra array size information, you then need to tell the runtime libraries to look for that information when y...
List of special characters for SQL LIKE clause
...rver, from http://msdn.microsoft.com/en-us/library/ms179859.aspx :
% Any string of zero or more characters.
WHERE title LIKE '%computer%' finds all book titles with the word 'computer' anywhere in the book title.
_ Any single character.
WHERE au_fname LIKE '_ean' finds all four-letter first name...
How to return raw string with ApiController?
...which you have full control over the Content. In your case you might use a StringContent and specify the correct content type:
public HttpResponseMessage Get()
{
return new HttpResponseMessage()
{
Content = new StringContent(
"<strong>test</strong>",
...
Get bitcoin historical data [closed]
...ebClient = new System.Net.WebClient())
{
var json = WebClient.DownloadString("https://www.bitstamp.net/api/ticker/");
string value = Convert.ToString(json);
// Parse/use from here
}
From here, you can parse the JSON and store it in a database (or with MongoDB insert it directly) and...
What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
...integral types):
There are five standard signed integer types : signed char, short int, int, long int, and long long int. In this list, each type provides at least as much storage as those preceding it in the list.
There's also a table 9 in 7.1.6.2 Simple type specifiers, which shows the "mapp...
Where are my postgres *.conf files?
..._US.UTF-8' # locale for system error message
# strings
lc_monetary = 'en_US.UTF-8' # locale for monetary formatting
lc_numeric = 'en_US.UTF-8' # locale for number formatting
lc_time = 'en_US.UTF-8' # locale for time formatting
# default confi...
What are the rules for the “…” token in the context of variadic templates?
...ttern = z<T>(args)
}
Now if I call this function passing T as {int, char, short}, then each of the function call is expanded as:
g( arg0, arg1, arg2 );
h( x(arg0), x(arg1), x(arg2) );
m( y(arg0, arg1, arg2) );
n( z<int>(arg0), z<char>(arg1), z<short>(arg2) );
In ...
How do I get textual contents from BLOB in Oracle SQL
... value is longer than 4000 it will throw errors since that's max value for strings in sql. you need to add substr(BLOB_FIELD, 4000, 1). If yo u need longer field support use PL/SQL (up to 32000 I believe)
– Sonic Soul
May 13 '14 at 13:29
...
Python style - line continuation with strings? [duplicate]
...
Since adjacent string literals are automatically joint into a single string, you can just use the implied line continuation inside parentheses as recommended by PEP 8:
print("Why, hello there wonderful "
"stackoverflow people!")
...