Clear all attributes on the model, firing `"change"`.
192813
function(options) {
      var attrs = {};
      for (var key in this.attributes) attrs[key] = void 0;
      return this.set(attrs, _.extend({}, options, {unset: true}));
    }
492331
public function clearAll()
    {
        $this->clearErrors();
        $this->clearWarnings();
        $this->clearProgWarnings();
        $this->clearDebugMessages();
        $this->clearInfos();
        
        unset(self::$session_vars["focus_element"]);
        unset(self::$session_vars["error_element"]);
        unset(self::$session_vars["active_tab"]);
    }
444632
def clear_attributes(self):
        
        for sample in self.metadata:
            try:
                delattr(sample[self.analysistype], 'record_dict')
                delattr(sample[self.analysistype], 'contig_lengths')
                delattr(sample[self.analysistype], 'longest_contig')
            except AttributeError:
                pass
890943
public function clear()
    {
        $this->id = null;
        $this->feature_id = null;
        $this->feature_type_id = null;
        $this->alreadyInSave = false;
        $this->clearAllReferences();
        $this->resetModified();
        $this->setNew(true);
        $this->setDeleted(false);
    }
411540
protected function purgeAttributes()
    {
        $attributes = $this->getPurgeAttributes();

        if ( ! empty($attributes) )
        {
            foreach ( $attributes as $attribute )
            {
                unset($this->attributes[$attribute]);
            }
        }
    }
1327014
public function clear()
    {
        $this->id = null;
        $this->created_at = null;
        $this->updated_at = null;
        $this->alreadyInSave = false;
        $this->clearAllReferences();
        $this->resetModified();
        $this->setNew(true);
        $this->setDeleted(false);
    }
1105659
public function clear()
    {
        $this->id = null;
        $this->key = null;
        $this->value = null;
        $this->alreadyInSave = false;
        $this->alreadyInValidation = false;
        $this->alreadyInClearAllReferencesDeep = false;
        $this->clearAllReferences();
        $this->resetModified();
        $this->setNew(true);
        $this->setDeleted(false);
    }
1017546
function() {
				var changes = this._.attrChanges, orgVal;
				for ( var attr in changes ) {
					if ( changes.hasOwnProperty( attr ) ) {
						orgVal = changes[ attr ];
						// Restore original attribute.
						orgVal !== null ? this.setAttribute( attr, orgVal ) : this.removeAttribute( attr );
					}
				}
			}
1118786
def clear(self):
        """"""
        layout = self.layout()
        for index in reversed(range(layout.count())):
            item = layout.takeAt(index)
            try:
                item.widget().deleteLater()
            except AttributeError:
                item = None
1242229
def _reset_changes(self):
        """"""
        self._original = {}
        if self.last_updated is not None:
            self._original['last_updated'] = self.last_updated
135282
function(model) {
        var modelObj = model.changedAttributes();
        _.each(model.changed, function(value, key) {
          if (typeof value === 'undefined' || value === null) {
            if (key == 'id') {
              delete modelObj[key];
            } else {
              modelObj[key] = null;
            }
          }
        });

        return modelObj;
      }
749634
public function clear(): void
    {
        if (!$this->overwrite) {
            return;
        }

        if (null === $this->format) {
            $this->setRealFormat($this->internalFormat ?: $this->determineBestFormat());
        }

        $this->overwrite('');
    }
644682
public function clear() {

        foreach ($this->getFields() as $k) {
            if ($k != $this->getPk()) {
                $this->setProperty($k, null);
            }
        }

        $this->clearErrors();
    }
1244592
def clear(self, *objs):
        
        if objs:
            keys = get_objs_columns(objs)
            self.do_(self.model.table.delete(self.condition & self.model.table.c[self.model._primary_field].in_(keys)))
        else:
            self.do_(self.model.table.delete(self.condition))
415453
public void clear(boolean undoAll) {
    LOGGER.trace("Clear called, with undoAll: " + undoAll);
    if (undoAll) {
      undoAll();
    }
    LOGGER.trace("Clearing changes");
    changes.clear();
    position.set(-1);
    validPosition.set(-1);
  }
1226052
public function clear()
    {
        unset($this->cc);
        unset($this->bcc);
        unset($this->receivers);
        unset($this->attachments);
        unset($this->contentHTML);
        unset($this->contentPlain);
    }
490737
def clear(self):
        ""
        self._pb.IntMap.clear()
        self._pb.StringMap.clear()
        self._pb.FloatMap.clear()
        self._pb.BoolMap.clear()