Efficient Embedded Programming Techniques
Calculating Sturcture Member Size
#include <stdio.h>
// Get size of struct member
#define MEMBER_SIZE(type, member) sizeof(((type*)0)->member)
// Get offset of struct member
#define MEMBER_OFFSET(type, member) ((size_t)(&(((type*)0)->member)))
typedef struct {
char x;
char y;
char z;
} coord_t;
typedef struct {
...
Posted on Thu, 02 Jul 2026 16:07:32 +0000 by Syranide
Essential PyTorch Code Snippets for Deep Learning
Tensor Creaiton and Initialization
Basic Tensor Operations
import torch
# Create tensor from list
data_tensor = torch.tensor([1, 2, 3], dtype=torch.float32)
# Create tensor with random values (uniform distribution)
rand_tensor = torch.rand(2, 3)
# Create tensor with normal distribution values
normal_tensor = torch.randn(3, 4)
# Create tenso ...
Posted on Wed, 01 Jul 2026 17:53:53 +0000 by blintas
Dynamic Programming Techniques for Knapsack Problems
0/1 Knapsack
Given N items and a knapsack with capacity V, each item can only be selected once. Item i has volume v[i] and value w[i]. Determine which items to select to maximize total value without exceeding the knapsack's volume.
Constraints:
0 < N, V ≤ 1000
0 < v[i], w[i] ≤ 1000
Time Complexity: O(N × V)
int n, m;
int f[100010], w[10 ...
Posted on Mon, 29 Jun 2026 17:26:05 +0000 by Duxie
Optimizing Salesman Route with Greedy Approach
This document outlines a greedy strategy for a sales optimization problem.
Let's consider the sample input:
6
1 2 3 4 5 6
4 2 3 5 3 1
Assume the current location is at point X = 1. We define an array F, where F[i] represents the additional contribtuion to the total answer by visiting user a[i] without any detours. ans will store the cumulative ...
Posted on Sat, 27 Jun 2026 17:53:43 +0000 by MadTechie
High-Performance Multi-Pattern Searching in Python Using ESMRE
The esmre library offers an efficient solution for processing large sets of regular expressions or multi-pattern searches within text data. By leveraging the Aho-Corasick automaton algorithm, it significantly reduces the computational overhead compared to iterating through individual regex patterns.
Installation
Install the package directly via ...
Posted on Sat, 27 Jun 2026 17:23:22 +0000 by cyandi_man
Comprehensive Guide to Search Algorithms in Computer Science
Depth-First Search (DFS)
DFS explores as far as possible along each branch before backtracking. It's implemented using recursion or a stack.
def dfs(graph, node, visited):
if node not in visited:
visited.add(node)
for neighbor in graph[node]:
dfs(graph, neighbor, visited)
Applications
Maze Solving: DFS can find ...
Posted on Fri, 26 Jun 2026 17:06:15 +0000 by ericw
Optimizing Zabbix Performance
Reference
Zabbix default configuraton, even with 128 cores and 256 GB of memory, can only handle monitoring 10-20 machines. To monitor more, configuration changes are necessary.
1. Configuration Files
Add the following to the server configuration file:
StartPollers=160
StartPollersUnreacheable=80
StartTrappers=20
StartPingers=100
StartDisco ...
Posted on Thu, 25 Jun 2026 16:45:24 +0000 by rd321
Algorithmic Strategy for Maximizing Single-Transaction Stock Gains
Problem Definition
You are provided with a sequence of integers representing daily stock valuation records. Your objective is to execute exactly one pruchase followed by one sale at a subsequent point in time to achieve the highest possible financial gain.
Return the calculated net earnings. If the market conditions do not permit a positive yie ...
Posted on Mon, 22 Jun 2026 18:03:12 +0000 by warrior rabbit
Fundamentals of AI Model Conversion and Optimization
Model conversion facilitates the transition of models between different deep learning frameworks. As deep learning technology evolves, training and inference frameworks have developed distinct specializations. Training frameworks prioritize researcher productivity and algorithmic innovation, offering features like distributed training, automati ...
Posted on Sat, 13 Jun 2026 16:44:13 +0000 by bmw57
Minimum Adjacent Swaps to Balance Bracket Sequences
A bracket string of even length consists of exactly n/2 opening [ and n/2 closing ] characters. The goal is to determine fewest number of arbitrary index swaps required to transform the string into a valid bracket sequence (one where every closing bracket has a matching opening bracket earlier in the string).
Pairs of matched brackets can be t ...
Posted on Fri, 12 Jun 2026 18:11:11 +0000 by razorsedgeuk