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Case-insensitive string comparison in C++ [closed]
...on. ñ can be represented as a combining ˜ followed by an n, or with a ñ character. You need to use Unicode string normalization before performing the comparaison. Please review Unicode Technical Report #15, unicode.org/reports/tr15
– vy32
Nov 11 '11 at 3:2...
how to convert from int to char*?
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In C++17, use std::to_chars as:
std::array<char, 10> str;
std::to_chars(str.data(), str.data() + str.size(), 42);
In C++11, use std::to_string as:
std::string s = std::to_string(number);
char const *pchar = s.c_str(); //use char const* a...
Why is there no Char.Empty like String.Empty?
... a reason for this? I am asking because if you needed to use lots of empty chars then you get into the same situation as you would when you use lots of empty strings.
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constant pointer vs pointer on a constant value [duplicate]
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char * const a;
means that the pointer is constant and immutable but the pointed data is not.
You could use const_cast(in C++) or c-style cast to cast away the constness in this case as data itself is not constant.
const c...
How to represent empty char in Java Character class
I want to represent an empty character in Java as "" in String...
15 Answers
15
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How do I generate random number for each row in a TSQL Select?
...mber.
I'd suggest using convert(varbinary,newid()) as the seed argument:
SELECT table_name, 1.0 + floor(14 * RAND(convert(varbinary, newid()))) magic_number
FROM information_schema.tables
newid() is guaranteed to return a different value each time it's called, even within the same batch, so usi...
.NET / C# - Convert char[] to string
What is the proper way to turn a char[] into a string?
7 Answers
7
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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
...estion 1.32
Q: What is the difference between these initializations?
char a[] = "string literal";
char *p = "string literal";
My program crashes if I try to assign a new value to p[i].
A: A string literal (the formal term
for a double-quoted string in C
source) can be used in two...
Eclipse comment/uncomment shortcut?
... Ctrl + / and for multiple line comment you can use Ctrl + Shift + / after selecting the lines you want to comment in java editor.
On Mac/OS X you can use ⌘ + / to comment out single lines or selected blocks.
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Not equal != operator on NULL
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As a manual workaround, you could commonly SELECT * FROM MyTable WHERE coalesce(MyColumn, 'x') <> 'x' to assign a constant if it is NULL value, providing you give an appropriate datatype for the sentinel value x (in this case a string/char). This is TSQL syntax ...