http://www.shortcutworld.com/en/linux/Emacs_23.2.1.html
Command | Description |
---|---|
C-x b | Switch buffer. |
C-/ | Undo. |
C-s | Search forward. |
C-r | Search backward. |
http://www.shortcutworld.com/en/linux/Emacs_23.2.1.html
Command | Description |
---|---|
C-x b | Switch buffer. |
C-/ | Undo. |
C-s | Search forward. |
C-r | Search backward. |
Input: Integer greater than 0 and less than 4000.
Output: Integer greater than 0.
Examples:
Input | Output |
---|---|
583 | 53222000 |
888 | 544432221000 |
A kidnapper wishes to write a ransom note using letters from a magazine. Given the ransom note and the magazine, find if the kidnapper can write the note by cutting letters out of the magazine.
def parse(s): | |
"""Parse a JSON string containing only integers and arrays.""" | |
return int(s) if s[0].isdigit() else parse_array(s, 1)[0] | |
def parse_array(s, i): | |
"""Return the array beginning at index i and the end index of the array.""" | |
res = [] | |
while s[i] != ']': | |
if s[i].isdigit(): | |
start = i |
package main | |
import "fmt" | |
import "time" | |
func f(in <-chan int, out chan<- int) { | |
for j := range in { | |
time.Sleep(time.Second) | |
out <- j * 2 | |
} |
'one sentence from a magazine', 'ransom note' => True
'one payment', 'pay money' => False
'downpayment', 'pay now' => True
var http = require('http'); | |
var port = 1234; | |
http.createServer(function (req, resp) { | |
var body = []; | |
req.on('data', function (chunk) { body.push(chunk); }); | |
req.on('end', function () { | |
body = Buffer.concat(body).toString(); | |
console.log({headers: req.headers, method: req.method, body: body}); | |
resp.writeHead(200, {'Content-Type': 'text/plain'}); | |
resp.end('OK'); |