| def calc(expr): | |
| operators = ['+', '-', '*', '/'] | |
| stack = list() | |
| for item in expr.split(' '): | |
| if item in operators: | |
| right, left = [str(i) for i in (stack.pop(), stack.pop())] | |
| stack.append(eval(left + item + right)) | |
| else: | |
| stack.append(eval(item + '+ 0')) |
| <?php | |
| if(!isset($_POST['submit'])) | |
| { | |
| //This page should not be accessed directly. Need to submit the form. | |
| echo "error; you need to submit the form!"; | |
| } | |
| $name = $_POST['name']; | |
| $visitor_email = $_POST['email']; | |
| $message = $_POST['message']; |
| from threading import Thread, Lock | |
| from random import randint | |
| from time import sleep | |
| class AsyncLetter(Thread): | |
| def __init__(self, letter): | |
| super().__init__() | |
| self.timer = randint(1,5) |
| // Example of a schema for a Poll document | |
| const PollSchema = new mongoose.Schema({ | |
| createdBy: { | |
| type: mongoose.Schema.Types.ObjectId, | |
| ref: 'User' | |
| }, | |
| createdTime: { | |
| type: String, | |
| required: true | |
| }, |
| class AccurateInterval { | |
| intervalId = null | |
| constructor(fn, timer) { | |
| this.fn = fn | |
| this.timer = timer | |
| } | |
| start = () => { |
tee
The tee utility copies standard input to standard output, making a copy in zero or more files. The output is unbuffered.
Example:
echo "I am the very model of a modern Major General" | tee general.txt
I am the very model of a modern Major General # Output
cat general.txt
I am the very model of a modern Major General # Output
| { | |
| "url": "https://api.github.com/gists/53e1780a5a68fe9281cfbbc9820d381f", | |
| "forks_url": "https://api.github.com/gists/53e1780a5a68fe9281cfbbc9820d381f/forks", | |
| "commits_url": "https://api.github.com/gists/53e1780a5a68fe9281cfbbc9820d381f/commits", | |
| "id": "53e1780a5a68fe9281cfbbc9820d381f", | |
| "git_pull_url": "https://gist.github.com/53e1780a5a68fe9281cfbbc9820d381f.git", | |
| "git_push_url": "https://gist.github.com/53e1780a5a68fe9281cfbbc9820d381f.git", | |
| "html_url": "https://gist.github.com/53e1780a5a68fe9281cfbbc9820d381f", | |
| "files": { | |
| "forgeLikeServerSetup.md": { |
Vim is a highly configurable text editor for efficiently creating and changing any kind of text. It is included as "vi" with most UNIX systems and with Apple OS X.
Vim is rock stable and is continuously being developed to become even better. Among its features are:
| { | |
| "imagemin": "^5.3.1", | |
| "imagemin-gifsicle": "^6.0.0", | |
| "imagemin-mozjpeg": "^8.0.0", | |
| "imagemin-optipng": "^6.0.0", | |
| "imagemin-pngquant": "^6.0.0", | |
| "imagemin-svgo": "^7.0.0", | |
| "imagemin-webp": "^5.0.0", | |
| "loader-utils": "^1.1.0", | |
| "object-assign": "^4.1.1", |