prudnikov

import { Directive, ElementRef, HostBinding, OnDestroy, OnInit } from '@angular/core';
import { AbstractControl, NgControl } from "@angular/forms";
import { Subscription } from "rxjs";

@Directive({
  selector: '[formControl], [formControlName]',
})
export class ControlValidityClassDirective implements OnInit, OnDestroy {
  @HostBinding('class.is-valid')
  isValid = true;

prudnikov

from django.db import transaction
from rest_framework import mixins
from rest_framework.viewsets import GenericViewSet


__all__ = ['AtomicCreateModelMixin', 'AtomicUpdateModelMixin', 'AtomicDestroyModelMixin',
           'AtomicModelViewSetMixin', 'AtomicModelViewSet']


class AtomicCreateModelMixin(mixins.CreateModelMixin):

prudnikov

import msgpack
import time
import json
import pickle

l = [1,2,3]
l_packed = msgpack.packb(l)
l_json = json.dumps(l)
l_pickle = pickle.dumps(l)

prudnikov

#import <Foundation/Foundation.h>

@interface NSString (Additions)

- (NSString *)stringByReplacingSubstringsAtRanges:(NSArray *) rangeValues
                                      withStrings:(NSArray *)strings;

@end