Docker and similar tools also use an **internal cache** when building the image, if a file hasn't changed since the last time building the container image, then it will **reuse the same layer** created the last time, instead of copying the file again and creating a new layer from scratch.

		// fmt.Printf("Upcoming: %s %s\n", req.Method, req.URL.String())
		// for i, c := range via {
		// 	fmt.Printf("Sofar %d: %s %s\n", i, c.Method, c.URL.String())
		// }
		// Save the last request in a redirect chain.
		lastReq = req
		// We do not follow redirect back to client application.
		if req.URL.Path == "/oauth_callback" {
			return http.ErrUseLastResponse
		}
		return nil
	}

     * occurs an <code>SmbException</code> will be thrown. If the credentials are
     * valid, the method will return without throwing an exception. See the
     * last <a href="../../../faq.html">FAQ</a> question.
     * <p>
     * See also the <code>jcifs.smb1.smb1.client.logonShare</code> property.
     *
     * @param dc the domain controller to authenticate against

            assertEquals(DcerpcConstants.DCERPC_FIRST_FRAG | DcerpcConstants.DCERPC_LAST_FRAG, bindWithParams.getFlags(),
                    "Flags should be set for first and last fragment");

            // Verify private fields using reflection
            Field bindingField = DcerpcBind.class.getDeclaredField("binding");
            bindingField.setAccessible(true);

                log.println("byteCount=" + byteCount + " but readBytesWireFormat returned " + n);
            }
            // Don't think we can rely on n being correct here. Must use byteCount.
            // Last paragraph of section 3.13.3 eludes to this.

            bufferIndex += byteCount;
        }

        length = bufferIndex - start;
        return length;
    }

              return true;
            }
          }
        }
        sum += segment.modCount;
      }
      if (sum == last) {
        break;
      }
      last = sum;
    }
    return false;
  }

  @CanIgnoreReturnValue
  @Override
  public @Nullable V put(K key, V value) {
    checkNotNull(key);
    checkNotNull(value);

        if (array[i + j] != target[j]) {
          continue outer;
        }
      }
      return i;
    }
    return -1;
  }

  /**
   * Returns the index of the last appearance of the value {@code target} in {@code array}.
   *
   * @param array an array of {@code char} values, possibly empty
   * @param target a primitive {@code char} value

        if (array[i + j] != target[j]) {
          continue outer;
        }
      }
      return i;
    }
    return -1;
  }

  /**
   * Returns the index of the last appearance of the value {@code target} in {@code array}.
   *
   * @param array an array of {@code short} values, possibly empty
   * @param target a primitive {@code short} value

        @Override
        protected @Nullable String computeNext() {
          if (lines.hasNext()) {
            String next = lines.next();
            // skip last line if it's empty
            if (lines.hasNext() || !next.isEmpty()) {
              return next;
            }
          }
          return endOfData();
        }
      };
    }

    @Override

    testRotate(new int[] {0, 1, 2, 3, 4, 5, 6}, 1, 0, 3, new int[] {2, 0, 1, 3, 4, 5, 6});
    testRotate(new int[] {0, 1, 2, 3, 4, 5, 6}, 2, 0, 3, new int[] {1, 2, 0, 3, 4, 5, 6});

    // Rotate the last four elements
    testRotate(new int[] {0, 1, 2, 3, 4, 5, 6}, -6, 3, 7, new int[] {0, 1, 2, 5, 6, 3, 4});
    testRotate(new int[] {0, 1, 2, 3, 4, 5, 6}, -5, 3, 7, new int[] {0, 1, 2, 4, 5, 6, 3});