rex-sheridan

(ns ycombinator)

;; Based on https://blog.klipse.tech/lambda/2016/08/07/pure-y-combinator-clojure.html

(defn factorial [n]
  (if (zero? n)
    1
    (* n (factorial (dec n)))))

(defn factorial-gen [func]

rex-sheridan

-- Find foreign keys referencing a table: postgres
-- From https://bowerstudios.com/node/1052

SELECT tc.table_schema, tc.constraint_name, tc.table_name, kcu.column_name, ccu.table_name
AS foreign_table_name, ccu.column_name AS foreign_column_name
FROM information_schema.table_constraints tc
JOIN information_schema.key_column_usage kcu ON tc.constraint_name = kcu.constraint_name
JOIN information_schema.constraint_column_usage ccu ON ccu.constraint_name = tc.constraint_name
WHERE constraint_type = 'FOREIGN KEY'
AND ccu.table_name='myTableName';

rex-sheridan

Keybase proof

I hereby claim:

• I am rex-sheridan on github.
• I am rexsheridan (https://keybase.io/rexsheridan) on keybase.
• I have a public key ASC25B1r94YIE9PLzTA9ptSDqKuEad1mDpBgNZUsfi3ArAo

To claim this, I am signing this object:

rex-sheridan

SELECT *, pg_size_pretty(total_bytes) AS total
    , pg_size_pretty(index_bytes) AS INDEX
    , pg_size_pretty(toast_bytes) AS toast
    , pg_size_pretty(table_bytes) AS TABLE
  FROM (
  SELECT *, total_bytes-index_bytes-COALESCE(toast_bytes,0) AS table_bytes FROM (
      SELECT c.oid,nspname AS table_schema, relname AS TABLE_NAME
              , c.reltuples AS row_estimate
              , pg_total_relation_size(c.oid) AS total_bytes
              , pg_indexes_size(c.oid) AS index_bytes

rex-sheridan

import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Executor;
import java.util.function.Function;
import java.util.function.Supplier;

public abstract class DeferredCompletableFuture<T>
		implements Function<Executor, CompletableFuture<T>>, Supplier<CompletableFuture<T>> {

	private static class SupplierDeferredCompletableFuture<T> extends DeferredCompletableFuture<T> {
		Supplier<T> supplier;