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urlencode vs rawurlencode?
...ction.rawurlencode.php)
Returns a string in which all non-alphanumeric characters except -_.~ have been replaced with a percent (%) sign followed by two hex digits. This is the encoding described in » RFC 3986 for protecting literal characters from being interpreted as special URL delimiters, a...
Take a char input from the Scanner
I am trying to find a way to take a char input from the keyboard.
22 Answers
22
...
How can mixed data types (int, float, char, etc) be stored in an array?
...minated union, aka tagged union.
struct {
enum { is_int, is_float, is_char } type;
union {
int ival;
float fval;
char cval;
} val;
} my_array[10];
The type member is used to hold the choice of which member of the union is should be used for each array element. ...
Is there a way to specify how many characters of a string to print out using printf()?
Is there a way to specify how many characters of a string to print out (similar to decimal places in int s)?
8 Answers
...
Conveniently Declaring Compile-Time Strings in C++
...y cumbersome, as the string needs to be declared as a variadic sequence of characters, e.g.
15 Answers
...
Fetch the row which has the Max value for a column
... multiple rows for the userid where the maximum date is on multiple rows.
select userid,
my_date,
...
from
(
select userid,
my_date,
...
max(my_date) over (partition by userid) max_my_date
from users
)
where my_date = max_my_date
"Analytic functions rock"
Edi...
convert a char* to std::string
...g to store data retrieved by fgets() . To do this I need to convert the char* return value from fgets() into an std::string to store in an array. How can this be done?
...
How to read a CSV file into a .NET Datatable
...e(path);
string fileName = Path.GetFileName(path);
string sql = @"SELECT * FROM [" + fileName + "]";
using(OleDbConnection connection = new OleDbConnection(
@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + pathOnly +
";Extended Properties=\"Text;HDR=" + h...
uint8_t can't be printed with cout
...
It doesn't really print a blank, but most probably the ASCII character with value 5, which is non-printable (or invisible). There's a number of invisible ASCII character codes, most of them below value 32, which is the blank actually.
You have to convert aa to unsigned int to output t...
How to get rid of `deprecated conversion from string constant to ‘char*’` warnings in GCC?
...ch case @John's answer below, about changing the signature to accept const char*, is more correct.
– jcwenger
Jun 27 '14 at 15:07
216
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