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public static const in TypeScript
... export const BOOK_SHELF_NONE: string = 'NONE';
}
Then you can import it from anywhere else:
import {Library} from './Library';
console.log(Library.BOOK_SHELF_NONE);
If you need a class there as well include it inside the namespace: export class Book {...}
...
How to get the parents of a Python class?
...
Use the following attribute:
cls.__bases__
From the docs:
The tuple of base classes of a class
object.
Example:
>>> str.__bases__
(<type 'basestring'>,)
Another example:
>>> class A(object):
... pass
...
>>> class B(obje...
Stash just a single file
I'd like to be able to stash just the changes from a single file:
5 Answers
5
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Read a file one line at a time in node.js?
...ere is a stable readline core module. Here's the easiest way to read lines from a file, without any external modules:
const fs = require('fs');
const readline = require('readline');
async function processLineByLine() {
const fileStream = fs.createReadStream('input.txt');
const rl = readline.c...
Why use a prime number in hashCode?
...wer of two, which permits for bitwise optimization
Here's the full quote, from Item 9: Always override hashCode when you override equals:
The value 31 was chosen because it's an odd prime. If it were even and multiplication overflowed, information would be lost, as multiplication by 2 is equivalen...
How do you do a case insensitive search using a pattern modifier using less?
...ronment variable LESS
I use LESS=-Ri, so that I can pump colorized output from grep into it, and maintain the ANSI colour sequences.
Another little used feature of less that I found is starting it with +F as an argument (or hitting SHIFT+F while in less). This causes it to follow the file you've o...
How do I determine the size of my array in C?
...
Wait, so there's no way to access the array directly from a pointer and see its size? New to C here.
– sudo
Dec 1 '13 at 6:37
...
Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.
...dit config files, and have to remember to keep edited files local and away from servers where the paths are correct, simply create a symbolic link so your Mac finds the required socket, even when it's looking in the wrong place!
If you have /tmp/mysql.sock but no /var/mysql/mysql.sock then...
cd /...
How to run Node.js as a background process and never die?
...basic usage
$ npm install forever -g
$ forever start app.js
# you can run from a json configuration as well, for
# more complex environments or multi-apps
$ forever start development.json
Init scripts:
I'm not go into detail about how to write a init script, because I'm not an expert in this sub...
Git: Set up a fetch-only remote?
...
Apart from changing the push URL to something invalid (e.g., git remote set-url --push origin DISABLED), one can also use the pre-push hook.
One quick way to stop git push is to symlink /usr/bin/false to be the hook:
$ ln -s /usr...