a) Does a district court deny a federal prisoner the constitutional or statutory "right to be heard" by completely misreading or ignoring the "files and records" of the case and thereafter erroneously denying relief on procedural grounds without a hearing?

b) Does a United States Court of Appeals deny a federal prisoner the constitutional or statutory right to be heard when it dismisses a Motion for Certificate Appealability on the purported ground that the prisoner failed to "meaningfully challenge" the district court's decision to dismiss on procedural grounds without a hearing, when the prisoner clearly did meaningfully challenge the district court's decision, both in the district court and in the appellate court?

Does a district court deny a federal prisoner the constitutional or statutory right to be heard by misreading or ignoring the case files and records and denying relief without a hearing?