Fixes minor issues in Working with Feature Layer guide (#1213)

* Update working-with-feature-layers-and-features.ipynb

Author: mohi9282

guide/04-feature-data-and-analysis/working-with-feature-layers-and-features.ipynb

@@ -4,7 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Using Feature Layers\n",
+    "# Working with Feature Layers and Features\n",
     "\n",
     "The feature layer is the primary concept for working with features in a GIS.\n",
     "\n",
@@ -22,7 +22,7 @@
    },
    "source": [
     "<h1>Table of Contents<span class=\"tocSkip\"></span></h1>\n",
-    "<div class=\"toc\"><ul class=\"toc-item\"><li><span><a href=\"#Using-Feature-Layers\" data-toc-modified-id=\"Using-Feature-Layers-1\"><span class=\"toc-item-num\">1&nbsp;&nbsp;</span>Using Feature Layers</a></span><ul class=\"toc-item\"><li><span><a href=\"#Accessing-Feature-Layers\" data-toc-modified-id=\"Accessing-Feature-Layers-1.1\"><span class=\"toc-item-num\">1.1&nbsp;&nbsp;</span>Accessing Feature Layers</a></span></li><li><span><a href=\"#Searching-the-GIS-for-feature-layers\" data-toc-modified-id=\"Searching-the-GIS-for-feature-layers-1.2\"><span class=\"toc-item-num\">1.2&nbsp;&nbsp;</span>Searching the GIS for feature layers</a></span></li><li><span><a href=\"#Accessing-feature-layers-using-item-id\" data-toc-modified-id=\"Accessing-feature-layers-using-item-id-1.3\"><span class=\"toc-item-num\">1.3&nbsp;&nbsp;</span>Accessing feature layers using item id</a></span></li><li><span><a href=\"#Accessing-feature-layers-and-tables-from-feature-services\" data-toc-modified-id=\"Accessing-feature-layers-and-tables-from-feature-services-1.4\"><span class=\"toc-item-num\">1.4&nbsp;&nbsp;</span>Accessing feature layers and tables from feature services</a></span></li><li><span><a href=\"#Accessing-feature-layers-from-a-feature-layer-url\" data-toc-modified-id=\"Accessing-feature-layers-from-a-feature-layer-url-1.5\"><span class=\"toc-item-num\">1.5&nbsp;&nbsp;</span>Accessing feature layers from a feature layer url</a></span></li><li><span><a href=\"#Properties-of-FeatureLayer\" data-toc-modified-id=\"Properties-of-FeatureLayer-1.6\"><span class=\"toc-item-num\">1.6&nbsp;&nbsp;</span>Properties of FeatureLayer</a></span></li><li><span><a href=\"#Querying-feature-layers\" data-toc-modified-id=\"Querying-feature-layers-1.7\"><span class=\"toc-item-num\">1.7&nbsp;&nbsp;</span>Querying feature layers</a></span></li><li><span><a href=\"#Querying-features-using-a-different-spatial-reference\" data-toc-modified-id=\"Querying-features-using-a-different-spatial-reference-1.8\"><span class=\"toc-item-num\">1.8&nbsp;&nbsp;</span>Querying features using a different spatial reference</a></span></li><li><span><a href=\"#FeatureSet-properties\" data-toc-modified-id=\"FeatureSet-properties-1.9\"><span class=\"toc-item-num\">1.9&nbsp;&nbsp;</span>FeatureSet properties</a></span></li><li><span><a href=\"#Accessing-Features-from-query-results\" data-toc-modified-id=\"Accessing-Features-from-query-results-1.10\"><span class=\"toc-item-num\">1.10&nbsp;&nbsp;</span>Accessing Features from query results</a></span></li><li><span><a href=\"#Accessing-Feature-geometry-and-attributes\" data-toc-modified-id=\"Accessing-Feature-geometry-and-attributes-1.11\"><span class=\"toc-item-num\">1.11&nbsp;&nbsp;</span>Accessing Feature geometry and attributes</a></span></li></ul></li><li><span><a href=\"#Using-feature-collections\" data-toc-modified-id=\"Using-feature-collections-2\"><span class=\"toc-item-num\">2&nbsp;&nbsp;</span>Using feature collections</a></span></li></ul></div>"
+    "<div class=\"toc\"><ul class=\"toc-item\"><li><span><a href=\"#Working-with-Feature-Layers-and-Features\" data-toc-modified-id=\"Working-with-Feature-Layers-and-Features-1\"><span class=\"toc-item-num\">1&nbsp;&nbsp;</span>Working with Feature Layers and Features</a></span><ul class=\"toc-item\"><li><span><a href=\"#Accessing-Feature-Layers\" data-toc-modified-id=\"Accessing-Feature-Layers-1.1\"><span class=\"toc-item-num\">1.1&nbsp;&nbsp;</span>Accessing Feature Layers</a></span></li><li><span><a href=\"#Searching-the-GIS-for-feature-layers\" data-toc-modified-id=\"Searching-the-GIS-for-feature-layers-1.2\"><span class=\"toc-item-num\">1.2&nbsp;&nbsp;</span>Searching the GIS for feature layers</a></span></li><li><span><a href=\"#Accessing-feature-layers-using-item-id\" data-toc-modified-id=\"Accessing-feature-layers-using-item-id-1.3\"><span class=\"toc-item-num\">1.3&nbsp;&nbsp;</span>Accessing feature layers using item id</a></span></li><li><span><a href=\"#Accessing-feature-layers-and-tables-from-feature-services\" data-toc-modified-id=\"Accessing-feature-layers-and-tables-from-feature-services-1.4\"><span class=\"toc-item-num\">1.4&nbsp;&nbsp;</span>Accessing feature layers and tables from feature services</a></span></li><li><span><a href=\"#Accessing-feature-layers-from-a-feature-layer-url\" data-toc-modified-id=\"Accessing-feature-layers-from-a-feature-layer-url-1.5\"><span class=\"toc-item-num\">1.5&nbsp;&nbsp;</span>Accessing feature layers from a feature layer url</a></span></li><li><span><a href=\"#Properties-of-FeatureLayer\" data-toc-modified-id=\"Properties-of-FeatureLayer-1.6\"><span class=\"toc-item-num\">1.6&nbsp;&nbsp;</span>Properties of FeatureLayer</a></span></li><li><span><a href=\"#Querying-feature-layers\" data-toc-modified-id=\"Querying-feature-layers-1.7\"><span class=\"toc-item-num\">1.7&nbsp;&nbsp;</span>Querying feature layers</a></span></li><li><span><a href=\"#Querying-features-using-a-different-spatial-reference\" data-toc-modified-id=\"Querying-features-using-a-different-spatial-reference-1.8\"><span class=\"toc-item-num\">1.8&nbsp;&nbsp;</span>Querying features using a different spatial reference</a></span></li><li><span><a href=\"#FeatureSet-properties\" data-toc-modified-id=\"FeatureSet-properties-1.9\"><span class=\"toc-item-num\">1.9&nbsp;&nbsp;</span>FeatureSet properties</a></span></li><li><span><a href=\"#Accessing-Features-from-query-results\" data-toc-modified-id=\"Accessing-Features-from-query-results-1.10\"><span class=\"toc-item-num\">1.10&nbsp;&nbsp;</span>Accessing Features from query results</a></span></li><li><span><a href=\"#Accessing-Feature-geometry-and-attributes\" data-toc-modified-id=\"Accessing-Feature-geometry-and-attributes-1.11\"><span class=\"toc-item-num\">1.11&nbsp;&nbsp;</span>Accessing Feature geometry and attributes</a></span></li></ul></li><li><span><a href=\"#Using-feature-collections\" data-toc-modified-id=\"Using-feature-collections-2\"><span class=\"toc-item-num\">2&nbsp;&nbsp;</span>Using feature collections</a></span></li></ul></div>"
    ]
   },
   {
@@ -490,7 +490,7 @@
    "source": [
     "<a id=\"querying-layers\"></a>\n",
     "## Querying feature layers\n",
-    "Querying is a powerful operation that can be performed on a `FeatureLayer` object. Let is take a closer look here. To write meaningful queries, we need to know the names of fields present in the layer. This can be determined by calling the `fields` property:"
+    "Querying is a powerful operation that can be performed on a `FeatureLayer` object. Let's take a closer look here. To write meaningful queries, we need to know the names of fields present in the layer. This can be determined by calling the `fields` property:"
    ]
   },
   {
@@ -566,7 +566,7 @@
    "source": [
     "The query method has a number of parameters that allow you to refine and transform the results. Since the processing is performed on the server, this operation is not restricted by the capacity of the client computer. \n",
     "\n",
-    "For instance, let us select all the cities whose population in the year 2007 was greater than 1 million. Instead of returning all the fields, let us get only population related fields"
+    "For instance, let us select all the cities whose population in the year 2010 was greater than 1 million. Instead of returning all the fields, let us get only population related fields"
    ]
   },
   {
@@ -770,7 +770,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "One of the most powerful operation on a `FeatureSet` is accessing the features not as `Feature` objects, but as pandas dataframe objects. The `df` property, returns a dataframe object:"
+    "One of the most powerful operation on a `FeatureSet` is accessing the features not as `Feature` objects, but as pandas dataframe objects. The `sdf` property, returns a dataframe object:"
    ]
   },
   {