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The Datetime field in shapefiles do not record time, they only record the date, so all dates in a shapefile table displays as 12:00 am (or 00:00:00). However, for coverages and shapefiles, the tim …

the ArcMap application. … If you remove the table from the map and use refresh on the folder (using the ArcCatalog window), it releases the lock without having to close ArcMap …

This is simple to do if your feature class is in a sql geodatabase - you can just set a definition query to select literally just the top 10 percent of values: Value IN (SELECT TOP(10) PERCENT Value f …

Right-click on your layer in ArcMap and select Open Attribute Table. Look for a field with a name like SHAPE_AREA. …

ArcMap supports only a single layout. … Please see FAQ: Can ArcMap have multiple layout views? …

In Arcmap open the Attribute table click on the context menu and select Add Field Type in the name of your new field and make sure the field type is set to "Short Integer" and add a Default Vaule …

In the field calculator window, select Python Parser, check the Show Codeblock box. Pre-logic script code: from collections import defaultdict valueUsage = defaultdict(int) def unique_id(inputfiel …

Using info from DataFrame - to change data frame 'Data' to 'Layers': import arcpy arcpy.env.workspace = r"c:\temp" for mxd_file in arcpy.ListFiles(*.mxd): mxd = arcpy.mapping.MapDocument(mxd_file …

ArcGIS for Water Utilities is a free add-on from Esri for ArcGIS Desktop that offers network tracing including Valve Isolation. The Valve Isolation tool traces your network from a specified point ( …

License queries need to go through to whoever issued your license. This would normally be Esri or one of their distributors. Contact details for Esri and their distributors can be found on the Esri C …

It appears you're mixing the syntax of the old arcpy.UpdateCursor() with the newer arcpy.da.UpdateCursor(). Try changing your cursor to be something like: updateFields = ["R_value", "G_value", "B_va …

If you change the extent displayed in ArcMap and then export the dimensions will remain the same, but the exported extent will be different. … If you keep the same extent, resize your data frame (resize the ArcMap window), the scale will change but it will export the same extent. …

I suspect that ArcMap is interpreting your coordinates as Meters, rather than Degrees. …

You're assigning an integer value to a variable, not to your data driven pages. You are setting np = cp + 1, so, for example, if your current page is 2 then: np = cp + 1 will return np = 3 but …

Is there some other workflow or tool available in ArcMap to find these lines so that I can correct them? …