diff --git a/cpp-client/deephaven/client/src/server/server.cc b/cpp-client/deephaven/client/src/server/server.cc
index 2a6fc9dd480..467c366e73e 100644
--- a/cpp-client/deephaven/client/src/server/server.cc
+++ b/cpp-client/deephaven/client/src/server/server.cc
@@ -6,6 +6,7 @@
 #include <charconv>
 #include <exception>
 #include <grpcpp/grpcpp.h>
+#include <optional>
 #include <regex>
 #include <arrow/flight/client_auth.h>
 #include <arrow/flight/client.h>
diff --git a/cpp-examples/demos/chapter3.cc b/cpp-examples/demos/chapter3.cc
index e7f4c8396e7..8566a686954 100644
--- a/cpp-examples/demos/chapter3.cc
+++ b/cpp-examples/demos/chapter3.cc
@@ -169,7 +169,7 @@ void printDiffs(const TableHandleManager &manager) {
 class CallbackSumDiffs final : public deephaven::client::TickingCallback {
 public:
   void onTick(deephaven::client::TickingUpdate update) final {
-    auto colIndex = update.current()->getColumnIndex("IntValue", true);
+    auto colIndex = update.current()->getColumnIndex("Int64Value", true);
 
     processDeltas(*update.beforeRemoves(), colIndex, update.removedRows(), -1);
     processDeltas(*update.afterAdds(), colIndex, update.addedRows(), 1);
diff --git a/py/client2/README.md b/py/client2/README.md
index f1bd69db4a7..c83c58fb7d0 100644
--- a/py/client2/README.md
+++ b/py/client2/README.md
@@ -49,8 +49,9 @@ cd ${DHROOT}/py/client2
 Then run these commands to build the Deephaven shared library:
 
 ```
-rm -rf build *.so && \
-CFLAGS="-I${DHLIB}/deephaven/include" LDFLAGS="-L${DHLIB}/deephaven/lib -L${DHLIB}/protobuf/lib -L${DHLIB}/arrow/lib -L${DHLIB}/grpc/lib -L${DHLIB}/abseil/lib -L${DHLIB}/re2/lib" python setup.py build_ext -i
+export PFX=/usr/local/dhcpp-230313/local
+export LD_LIBRARY_PATH=$PFX/arrow/lib:$PFX/cares/lib
+rm -rf build *.so && CFLAGS="-I$PFX/deephaven/include" LDFLAGS="-L$PFX/deephaven/lib -L$PFX/protobuf/lib -L$PFX/arrow/lib -L$PFX/grpc/lib -L$PFX/abseil/lib -L$PFX/re2/lib -L$PFX/cares/lib" python setup.py build_ext -i
 ```
 
 Once built, a shared object with the binary python module should show up, named like
@@ -71,7 +72,7 @@ program:
 ```
 import deephaven_client as dh
 client = dh.Client.connect("localhost:10000")
-manager = client.getManager()
-handle = manager.emptyTable(10).update(["II= ii"])
+manager = client.get_manager()
+handle = manager.empty_table(10).update(["II= ii"])
 print(handle.toString(True))
 ```