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How to remove the last character from a string?
I want to remove the last character from a string. I've tried doing this:
32 Answers
3...
How to delete an element from an array in C#
...emove);
if (numbers >= 0)
{
numbers = numbers.Take(firstFoundIndex).Concat(numbers.Skip(firstFoundIndex + 1)).ToArray();
}
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Characters allowed in a URL
Does anyone know the full list of characters that can be used within a GET without being encoded? At the moment I am using A-Z a-z and 0-9... but I am looking to find out the full list.
...
How to throw std::exceptions with variable messages?
...ptions can be constructed from a std::string:
#include <stdexcept>
char const * configfile = "hardcode.cfg";
std::string const anotherfile = get_file();
throw std::runtime_error(std::string("Failed: ") + configfile);
throw std::runtime_error("Error: " + anotherfile);
Note that the base cl...
PadLeft function in T-SQL
...
This works for strings, integers and numeric:
SELECT CONCAT(REPLICATE('0', 4 - LEN(id)), id)
Where 4 is desired length. Works for numbers with more than 4 digits, returns empty string on NULL value.
What does “Memory allocated at compile time” really mean?
...and (relative) position of this allocation is determined at compile time.
char a[32];
char b;
char c;
Those 3 variables are "allocated at compile time", it means that the compiler calculates their size (which is fixed) at compile time. The variable a will be an offset in memory, let's say, pointi...
Reverse a string in Java
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This won't work for Unicode characters outside of BMP, as long as for combining characters.
– nau
Aug 17 '18 at 11:36
2
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Meaning of 'const' last in a function declaration of a class?
... had the following extra method declaration:
class foobar {
...
const char* bar();
}
The method bar() is non-const and can only be accessed from non-const values.
void func1(const foobar& fb1, foobar& fb2) {
const char* v1 = fb1.bar(); // won't compile
const char* v2 = fb2.bar()...
Check if a temporary table exists and delete if it exists before creating a temporary table
...sults') IS NOT NULL DROP TABLE #Results
GO
CREATE TABLE #Results ( Company CHAR(3), StepId TINYINT, FieldId TINYINT )
GO
select company, stepid, fieldid from #Results
GO
ALTER TABLE #Results ADD foo VARCHAR(50) NULL
GO
select company, stepid, fieldid, foo from #Results
GO
IF OBJECT_ID('tempdb..#Resu...
'printf' vs. 'cout' in C++
... namespace problems - as long you have a class (which isn't limited to one character), you can have working std::ostream overloading for it.
However, I doubt that many people would want to extend ostream (to be honest, I rarely saw such extensions, even if they are easy to make). However, it's here...