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92 results

FDE Interviews
Two Sum in one pass: the hashmap answer, the trace, and the duplicate trap

The most common screen opener, and what interviewers are really checking: whether trading memory for O(1) lookups is reflexive ...

3:04
Two Sum in one pass: the hashmap answer, the trace, and the duplicate trap

2 views

4h ago

FDE Interviews
Sliding window and two pointers: from O(n^2) to one pass

Most array and string screens are one of two patterns. How to spot a sliding window and a two-pointer problem from the wording, ...

3:16
Sliding window and two pointers: from O(n^2) to one pass

0 views

5h ago

FDE Interviews
Subarray sum equals K: why sliding window fails, and the prefix-sum hashmap

It looks like a sliding-window problem and it isn't: negative numbers break the window. The prefix-sum identity, the one-pass ...

3:35
Subarray sum equals K: why sliding window fails, and the prefix-sum hashmap

0 views

4h ago

RosettaCommons
Write Better Code with Test-Driven Development

Learn the basics of test-driven development (TDD) and how writing tests before implementing your code can lead to better, more ...

3:07
Write Better Code with Test-Driven Development

12 views

6h ago

StaRK Systems
I Built a Test-Transfer Detector After the Bitget Hack (Paper Alerts, NFA)

Two tiny transfers, then about 30 minutes later, the big ones. Bitget's CEO told The Block that the attacker in the roughly 388 ...

11:33
I Built a Test-Transfer Detector After the Bitget Hack (Paper Alerts, NFA)

0 views

1h ago

techABD
List, Tuple & Set in Python Explained 🚀 | Python Data Structures for Beginners

Learn List, Tuple and Set in Python in this beginner-friendly Python tutorial. In this video, you'll understand the difference between ...

28:27
List, Tuple & Set in Python Explained 🚀 | Python Data Structures for Beginners

1 view

1h ago

Velum Theory
Python Type Casting Explained (And Every Trap It Hides)

A program asks for two numbers, you type 5 and 7, and it prints 57. Nothing is broken: input() hands back text, and adding text ...

4:21
Python Type Casting Explained (And Every Trap It Hides)

0 views

26 min ago

IT Learning
Computer Science Module 8:  Accumulators, Nested Loops and List Comprehensions Explained

Write the same line five times and it is tedious. Write it a million times and it is impossible — which is the actual reason computers ...

40:26
Computer Science Module 8: Accumulators, Nested Loops and List Comprehensions Explained

15 views

17h ago

praharcode
Sum Of Two Numbers • Python Programming • DSA Series

Sum Of Two Numbers • Python Programming • DSA Series #python #programming #dsa #datastructures #learncoding.

1:32
Sum Of Two Numbers • Python Programming • DSA Series

0 views

17h ago

Om Yadav
Python Conditions, Loops & Functions in Hindi | Python Tutorial #4k

Learn Python conditions, loops, and functions with step-by-step explanations and practical coding examples in Hindi/Hinglish.

26:29
Python Conditions, Loops & Functions in Hindi | Python Tutorial #4k

9 views

9h ago

QuantCrawler
Bulletproof Preset Strategy: 7 Futures Presets, Full Backtest Breakdown

Bulletproof is a new preset strategy, built and validated with a 70/30 walk-forward split so the settings don't just fit the past.

11:01
Bulletproof Preset Strategy: 7 Futures Presets, Full Backtest Breakdown

341 views

4h ago

FinLangHQ
What breaks if I change this rule? Impact analysis before you ship

Someone adds a categorisation rule. It looks harmless. Nobody can say what it does to last quarter's numbers until it has already ...

1:29
What breaks if I change this rule? Impact analysis before you ship

1 view

1d ago

Superposition
Advanced Context Engineering: Build AI Systems That Actually Work (11+ Hours)

Go beyond prompting. Build context systems that retrieve the right evidence, measure what works, and keep useful memory ...

11:54:22
Advanced Context Engineering: Build AI Systems That Actually Work (11+ Hours)

20 views

6h ago

Sriniously
How AI agents read the desktop: the accessibility tree

Sponsor: Orgo, computers for AI agents: https://link.sriniously.com/orgoai We cover: - The Accessibility Tree: Role, Name, States ...

1:24:57
How AI agents read the desktop: the accessibility tree

1,959 views

5h ago

1221 Manhwa Recap
An S-Rank Golden Light... But I Awakened as a D-Rank Archer-【Soul Poison】.

animerecap #manhwaedit #anime #animerecap #manhwaedit #anime #animerecommendations #animerecommendations ...

7:06:10
An S-Rank Golden Light... But I Awakened as a D-Rank Archer-【Soul Poison】.

5,243 views

7h ago

Scintropy
Why 0.1 plus 0.2 Does Not Equal 0.3

Binary systems cannot store decimal fractions like one tenth exactly, leading to the famous arithmetic discrepancy where zero ...

9:58
Why 0.1 plus 0.2 Does Not Equal 0.3

68 views

23h ago

Jayadev Rana
Pine Script (Lesson 16): Trend Following Worked Best in QUIET Markets

Pine Script course, lesson 16. Every strategy is judged by one number: its total result. That number is an average across ...

12:23
Pine Script (Lesson 16): Trend Following Worked Best in QUIET Markets

1 view

8h ago

Sk Manhwa Recap
I Used a BUG to Unlock SSS Execute! 0.01% Instakill Stacks & Evolves! Full Attack Speed Priest!

mangacollection #manhwaedit #manhwareccomendation /@SkManhwaRecap Reborn on the launch day of the VRMMO Divine ...

4:53:27
I Used a BUG to Unlock SSS Execute! 0.01% Instakill Stacks & Evolves! Full Attack Speed Priest!

3,893 views

7h ago

RosettaCommons
ThermoMPNN Tutorial: Finding Stabilizing Protein Mutations

How will a mutation affect the stability of your protein? ThermoMPNN provides fast computational predictions of changes in ...

42:39
ThermoMPNN Tutorial: Finding Stabilizing Protein Mutations

38 views

7h ago

Infomity
Low Rank Approximation and Truncated SVD Explained Visually

High-resolution images, dense neural network weights, and massive datasets consume excessive computational memory and ...

5:13
Low Rank Approximation and Truncated SVD Explained Visually

49 views

8h ago