Visualize Python, JavaScript, and C++ code execution in real-time with Staying Code Visualization Platform. Step-by-step debugging, algorithm animation, and memory monitoring tools for effective learning. Ideal for educators and developers. Start tracing variables now!

Hacker News is a community-driven platform for sharing and discussing technology news, startups, and programming-related topics. Through user submissions and comments, Hacker News offers insights into emerging technology trends, industry developments, and entrepreneurial ventures. Readers can participate in discussions, share their insights, and stay informed about the latest advancements in technology and innovation.

Hacker News

Staying is a real-time visualization platform that helps developers understand code execution through animated flow diagrams, variable tracing, and memory monitoring. It supports Python, JavaScript, and C++ with features designed for learning data structures and algorithms interactively. The platform targets students, educators, and developers who want to visualize how their code runs step-by-step.

Staying Code Visualization Platform

SELECT X.*,
– Running Balance
<a href="http://X.TARGET" target="_blank" rel="noopener nofollow">X.TARGET</a>
<ul>
<li>SUM(X.TOT_DMD_PCS)</li>
</ul>
OVER (
PARTITION BY X.LINE
ORDER BY X.SIZECODE
) AS BALANCE_PCS,
– Previous Row Demand
LAG(X.TOT_DMD_PCS)
OVER (
PARTITION BY X.LINE
ORDER BY X.SIZECODE
) AS PREV_DMD_PCS
FROM (
– your same fixed subquery (no change here)
SELECT A.line,
B.doc_line,
A.CLOSINGDATE,
A.ORDERNO,
A.SIZECODE,
A.STYLECODE,
A.COLORCODE,
(SELECT NAME FROM COLORS WHERE COLORCODE=A.COLORCODE) COLOR_NAME,
A.COMBONO,
B.PROFILECODE,
(SELECT NAME FROM PROFILES WHERE PROFILECODE=B.PROFILECODE) PROFILE_DESC,
C.UNITNO AS C_UNITNO,
C.UNITNAME,
<a href="http://C.TARGET" target="_blank" rel="noopener nofollow">C.TARGET</a>,
B.DOCNO,
B.DOCDATE,
CASE
WHEN TO_CHAR(B.DOCDATE + 3, ‘DY’) = ‘SUN’
THEN B.DOCDATE + 4
ELSE B.DOCDATE + 3
END AS Dmd_DTE,
B.UNITNO AS B_UNITNO,
NVL(SUM(A.REQPCS), 0) REQPCS,
SUM(TOT_DMD_REQ) AS TOT_DMD_REQ,
NVL(SUM(TOT_DMD_PCS), 0) TOT_DMD_PCS,
NVL(SUM(A.REQPCS), 0) - NVL(SUM(TOT_DMD_PCS), 0) TOT_BAL,
NVL(SUM(TOT_DMD_REQ), 0) - NVL(SUM(TOT_DMD_PCS), 0) TOT_BAL_REQ,
(
SELECT NVL(SUM(DMD_PCS),0)
FROM ELASTIC_DEMAND ED,
ELASTIC_DEMAND_M EM
WHERE ED.DOCNO = EM.DOCNO
AND NVL(EM.POSTED,‘F’) = ‘T’
AND ED.ORDERNO = A.ORDERNO
AND ED.SIZECODE = A.SIZECODE
AND EM.DOCNO != B.DOCNO
AND ED.LINE = A.LINE
) PRV_DMD_PCS
FROM MV_ACTIVEGT_STATUS A,
(
SELECT D2.PROFILECODE,
D2.UNITNO,
D2.DOCNO,
D2.DOCDATE,
D1.ORDERNO,
D1.SIZECODE,
D1.LINE DOC_LINE,
D1.STYLECODE,
D1.COLORCODE,
D1.COMBONO,
SUM(D1.DMD_PCS) AS TOT_DMD_PCS,
SUM(D1.DMD_REQ) AS TOT_DMD_REQ
FROM ELASTIC_DEMAND D1,
ELASTIC_DEMAND_M D2
WHERE D1.DOCNO = D2.DOCNO
GROUP BY
D1.PROFILECODE,
D1.ORDERNO,
D1.SIZECODE,
D1.LINE,
D1.STYLECODE,
D1.COLORCODE,
D1.COMBONO,
D2.DOCNO,
D2.DOCDATE,
D2.PROFILECODE,
D2.UNITNO
) B,
(
SELECT CL.PROFILECODE,
CL.LINENUM,
CL.LINE LINENO,
<a href="http://CL.TARGET" target="_blank" rel="noopener nofollow">CL.TARGET</a>,
CL.UNITNO,
<a href="http://U.NAME" target="_blank" rel="noopener nofollow">U.NAME</a> UNITNAME
FROM CUTTINGLINES CL,
UNIT U
WHERE CL.UNITNO = U.UNITNO
) C
WHERE A.ORDERNO = B.ORDERNO
AND A.STYLECODE = B.STYLECODE
AND A.COLORCODE = B.COLORCODE
AND A.SIZECODE = B.SIZECODE
AND A.COMBONO = B.COMBONO(+)
AND A.LINE = C.LINENO
AND (A.CLOSINGDATE BETWEEN NVL(:P_FROM_DATE, A.CLOSINGDATE)
AND NVL(:P_TO_DATE, A.CLOSINGDATE)
OR (:P_FROM_DATE IS NULL AND :P_TO_DATE IS NULL))
AND (B.DOCDATE BETWEEN NVL(:P_FRM_DATE, B.DOCDATE)
AND NVL(:P_TOO_DATE, B.DOCDATE)
OR (:P_FRM_DATE IS NULL AND :P_TOO_DATE IS NULL))
AND (:P_PROFILE =‘ALL’ OR B.PROFILECODE= :P_PROFILE OR :P_PROFILE IS NULL)
AND (:P_ORDERNO IS NULL OR A.ORDERNO= :P_ORDERNO OR :P_ORDERNO=‘ALL’)
GROUP BY
A.CLOSINGDATE,
A.ORDERNO,
A.SIZECODE,
A.STYLECODE,
A.COLORCODE,
A.COMBONO,
A.line,
<a href="http://C.TARGET" target="_blank" rel="noopener nofollow">C.TARGET</a>,
C.PROFILECODE,
C.UNITNO,
C.UNITNAME,
B.PROFILECODE,
B.DOCDATE,
B.UNITNO,
B.DOCNO,
B.doc_line
HAVING NVL(SUM(TOT_DMD_PCS), 0) &gt; 0
) X
ORDER BY X.ORDERNO, X.SIZECODE;