大约有 41,000 项符合查询结果（耗时：0.0453秒） [XML]
Why doesn't Java support unsigned ints?
...
This is an older question and pat did briefly mention char, I just thought I should expand upon this for others who will look at this down the road. Let's take a closer look at the Java primitive types:
byte - 8-bit signed integer
short - 16-bit signed integer
int - 32-bit si...
Select something that has more/less than x character
Was wondering if it's possible to select something that has more/less than x characters in SQL.
4 Answers
...
What data type to use for hashed password field and what length?
...h = password_hash("rasmuslerdorf", PASSWORD_DEFAULT);
The result is a 60-character string similar to the following (but the digits will vary, because it generates a unique salt).
$2y$10$.vGA1O9wmRjrwAVXD98HNOgsNpDczlqm3Jq7KnEd1rVAGv3Fykk1a
Use the SQL data type CHAR(60) to store this encoding o...
Why is conversion from string constant to 'char*' valid in C but invalid in C++
...d implicit conversion--a string literal should be treated as being of type char const *, since you can't modify its contents (without causing undefined behavior).
As of C++11, the implicit conversion that had been deprecated was officially removed, so code that depends on it (like your first exampl...
What function is to replace a substring from a string in C?
Given a ( char * ) string, I want to find all occurrences of a substring and replace them with an alternate string. I do not see any simple function that achieves this in <string.h> .
...
Get an object properties list in Objective-C
...nt; i++) {
objc_property_t property = properties[i];
const char *propName = property_getName(property);
if(propName) {
const char *propType = getPropertyType(property);
NSString *propertyName = [NSString stringWithCString:propName
...
BestPractice - Transform first character of a string into lower case
I'd like to have a method that transforms the first character of a string into lower case.
11 Answers
...
Exotic architectures the standards committees care about
...implementation-defined just because if there is an architecture with other characteristics, it would be very difficult or impossible to write a standard conforming compiler for it.
...
What is the easiest/best/most correct way to iterate through the characters of a string in Java?
StringTokenizer ? Convert the String to a char[] and iterate over that? Something else?
15 Answers
...
Reading CSV file and storing values into an array
...
LINQ way:
var lines = File.ReadAllLines("test.txt").Select(a => a.Split(';'));
var csv = from line in lines
select (from piece in line
select piece);
^^Wrong - Edit by Nick
It appears the original answerer was attempting to populate csv with a...