Alexander Pushkarev

$post = Post::findOrFail($id);
$post->user()->sync([]);
$post->delete();

$post = Post::findOrFail($id);
$post->user()->delete();
$post->delete();

Schema::create('users_posts', function (Blueprint $table) {
    $table->increments('id');
    $table->integer('user_id')->unsigned()->index();
    $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
    $table->integer('post_id')->unsigned()->index();
    $table->foreign('post_id')->references('id')->on('posts')->onDelete('cascade');
});

gulp.task('build-css', function(){
    gulp.src(scssFiles)
        .pipe(sass())
        .pipe(autoprefixer({
            browsers: ['last 2 versions'],
            cascade: false

        }))
        .pipe(concatCss("style.css"))
        .pipe(cleanCSS())
        .pipe(gulp.dest(cssDist));
});

gulp.task('sass', () =>
    gulp.src(variables.src.scss)
        .pipe(errorNotifier.handleError(sass()))
        .pipe(autoPrefixer({
            browsers: ['last 2 versions', 'safari 5', 'ie 11', 'opera 12.1', 'ios 6', 'android 4'],
            cascade: false
        }))
        .pipe(combineMq({
            beautify: true
        }))
        .pipe(gulp.dest(variables.public.css))
        .pipe(notify('Sass compile!'))
);

function is_touch_device() {
  return 'ontouchstart' in window        // works on most browsers 
      || navigator.maxTouchPoints;       // works on IE10/11 and Surface
};