大约有 47,000 项符合查询结果（耗时：0.0878秒） [XML]
Difference between Select Unique and Select Distinct
...
answered Dec 3 '08 at 8:00
Bill KarwinBill Karwin
437k7777 gold badges585585 silver badges740740 bronze badges
...
Hexadecimal To Decimal in Shell Script
... perl:
$ perl -le 'print hex("FF");'
255
with printf :
$ printf "%d\n" 0xFF
255
with python:
$ python -c 'print(int("FF", 16))'
255
with ruby:
$ ruby -e 'p "FF".to_i(16)'
255
with node.js:
$ nodejs <<< "console.log(parseInt('FF', 16))"
255
with rhino:
$ rhino<<EOF
prin...
How do I change the default author and committer in the Eclipse Git plugin?
...
Sarcares
4511 gold badge22 silver badges1010 bronze badges
answered Jul 24 '14 at 17:01
Guillermo GarciaGuillermo Garcia
...
How to get the home directory in Python?
... |
edited Apr 17 at 18:10
Arsen Khachaturyan
5,90933 gold badges3232 silver badges3434 bronze badges
a...
Ruby on Rails: getting the max value from a DB column
...
answered Feb 11 '11 at 21:07
Dylan MarkowDylan Markow
115k2323 gold badges272272 silver badges195195 bronze badges
...
Error: Jump to case label
...tialization* code was run, though,
// depends on whether rand returned 0 or 1.
std::cout << i;
}
share
|
improve this answer
|
follow
|
...
What's the point of having pointers in Go?
...xample taken from http://www.golang-book.com/8
func zero(x int) {
x = 0
}
func main() {
x := 5
zero(x)
fmt.Println(x) // x is still 5
}
as contrasted with
func zero(xPtr *int) {
*xPtr = 0
}
func main() {
x := 5
zero(&x)
fmt.Println(x) // x is 0
}
...
JS: Check if date is less than 1 hour ago?
...
Define
var ONE_HOUR = 60 * 60 * 1000; /* ms */
then you can do
((new Date) - myDate) < ONE_HOUR
To get one hour from a date, try
new Date(myDate.getTime() + ONE_HOUR)
...
Go Unpacking Array As Arguments
... C:
package main
import "fmt"
func my_func( args ...int) int {
sum := 0
for _,v := range args {
sum = sum + v
}
return sum;
}
func main() {
arr := []int{2,4}
sum := my_func(arr...)
fmt.Println("Sum is ", sum)
}
Now you can sum as many things as you'd like. Notice ...
Bash script to receive and repass quoted parameters
...
70
#!/bin/bash
echo $*
bash myecho.sh "$@"
Note the "$@" construct is not bash specific and shoul...