大约有 16,000 项符合查询结果（耗时：0.0167秒） [XML]
How to list files in a directory in a C program?
...rent directory.
*/
#include <dirent.h>
#include <stdio.h>
int main(void) {
DIR *d;
struct dirent *dir;
d = opendir(".");
if (d) {
while ((dir = readdir(d)) != NULL) {
printf("%s\n", dir->d_name);
}
closedir(d);
}
return(0);
}
Beware that such an op...
Comparing date ranges
...
I created function to deal with this problem in MySQL. Just convert the dates to seconds before use.
DELIMITER ;;
CREATE FUNCTION overlap_interval(x INT,y INT,a INT,b INT)
RETURNS INTEGER DETERMINISTIC
BEGIN
DECLARE
overlap_amount INTEGER;
IF (((x <= a) AND (a < y)) OR...
How to convert a char array to a string?
Converting a C++ string to a char array is pretty straightorward using the c_str function of string and then doing strcpy . However, how to do the opposite?
...
Best approach to remove time part of datetime in SQL Server
...pe resulted in an out-of-range datetime value Try: select DATEDIFF(dd, 0, convert(datetime2(0), '0218-09-12', 120))
– Bernhard Döbler
Sep 12 '18 at 16:03
1
...
Save ArrayList to SharedPreferences
...
After API 11 the SharedPreferences Editor accepts Sets. You could convert your List into a HashSet or something similar and store it like that. When you read it back, convert it into an ArrayList, sort it if needed and you're good to go.
//Retrieve the values
Set<String> set = myScore...
How do you get a directory listing sorted by creation date in python?
.../usr/bin/env python
from stat import S_ISREG, ST_CTIME, ST_MODE
import os, sys, time
# path to the directory (relative or absolute)
dirpath = sys.argv[1] if len(sys.argv) == 2 else r'.'
# get all entries in the directory w/ stats
entries = (os.path.join(dirpath, fn) for fn in os.listdir(dirpath))
...
Converting from a string to boolean in Python?
Does anyone know how to do convert from a string to a boolean in Python? I found this link . But it doesn't look like a proper way to do it. I.e. using built-in functionality, etc.
...
Int to Char in C#
What is the best way to convert an Int value to the corresponding Char in Utf16, given that the Int is in the range of valid values?
...
How to ignore deprecation warnings in Python
...s an argument to Python. Better though to resolve the issue, by casting to int.
(Note that in Python 3.2, deprecation warnings are ignored by default.)
share
|
improve this answer
|
...
Does Java read integers in little endian or big endian?
...or least significant byte.
Endianness is not bit based but byte based.
To convert from unsigned byte to a Java integer:
int i = (int) b & 0xFF;
To convert from unsigned 32-bit little-endian in byte[] to Java long (from the top of my head, not tested):
long l = (long)b[0] & 0xFF;
l += ((...