大约有 40,000 项符合查询结果（耗时：0.0551秒） [XML]
PHP random string generator
I'm trying to create a randomized string in PHP, and I get absolutely no output with this:
59 Answers
...
Best way to specify whitespace in a String.Split operation
I am splitting a string based on whitespace as follows:
11 Answers
11
...
How to get the first five character of a String
I have read this question to get first char of the string. Is there a way to get the first n number of characters from a string in C#?
...
Calculate MD5 checksum for a file
...terested in comparing the hashes.)
If you need to represent the hash as a string, you could convert it to hex using BitConverter:
static string CalculateMD5(string filename)
{
using (var md5 = MD5.Create())
{
using (var stream = File.OpenRead(filename))
{
var ha...
Will strlen be calculated multiple times if used in a loop condition?
...i < n; ++i)
or possibly
for (int i = 0; ss[i]; ++i)
as long as the string isn't going to change length during the iteration. If it might, then you'll need to either call strlen() each time, or handle it through more complicated logic.
...
How to negate specific word in regex? [duplicate]
...
Nicely done - matches a line that has the specified string and the string is not preceded by anything and the string is followed by anything.This is by definition the absence of the string! because if present it will always be preceded by something even if its a line anchor ^
...
Getting a File's MD5 Checksum in Java
...
try (InputStream is = Files.newInputStream(Paths.get("file.zip"))) {
String md5 = org.apache.commons.codec.digest.DigestUtils.md5Hex(is);
}
share
|
improve this answer
|
...
How can I safely encode a string in Java to use as a filename?
I'm receiving a string from an external process. I want to use that String to make a filename, and then write to that file. Here's my code snippet to do this:
...
Remove spaces from std::string in C++
What is the preferred way to remove spaces from a string in C++? I could loop through all the characters and build a new string, but is there a better way?
...
How to convert a number to string and vice versa in C++
...
Update for C++11
As of the C++11 standard, string-to-number conversion and vice-versa are built in into the standard library. All the following functions are present in <string> (as per paragraph 21.5).
string to numeric
float stof(const string&am...