vamseeachanta Common Issues
Common Issues
Issue: App reruns on every interaction
# Use forms to batch inputs
with st.form("my_form"):
input1 = st.text_input("Input")
submit = st.form_submit_button()
Issue: Slow data loading
# Add caching
@st.cache_data(ttl=3600)
def load_data():
return pd.read_csv("large_file.csv")
Issue: Memory issues with large files
# Use chunking
@st.cache_data
def load_large_file(path, nrows=10000):
return pd.read_csv(path, nrows=nrows)
Issue: Widget state lost on rerun
# Persist in session state
if "value" not in st.session_state:
st.session_state.value = default_value
# Use key parameter
st.text_input("Name", key="user_name")