There are so many people on the Internet who advocate learning Python to enter the IT industry. What if they can’t find a job after learning Python?

Mastering a skill costs money. Before making a decision, it is necessary to make a prospect judgment and measure the input-output ratio. However, once you think about it deeply, you may yourself have doubts about the value of learning Python. Because most people look at this issue to judge whether they can improve their competitiveness […]

Train the army (bfs finds the diameter of the tree)

Training the army problem solution Description of topic Han Xin’s army no no n bases (No. 1 ? no 1-n 1?n) Each base consists of exactly no ? 1 n?1 n?1 road connections, each road i i i have time spent t i m e i time_i timei?, if a base has only one road […]

C# console program: Find all Excel files with a specific mark in a folder, and output the cell information with the star mark (Excel file name, table name, row and column number and cell value, and ReadTimeout exception handling

The NuGet packages of ExcelDataReader and ExcelDataReader.DataSet need to be installed before starting the program using System; using System.IO; using System. Linq; using ExcelDataReader; class Program { static void Main(string[] args) { Console.Write(“Please enter the folder path:”); string folderPath = Console.ReadLine(); // Get the folder path entered by the user string[] files = Directory.GetFiles(folderPath, “*Test*.xlsx”); […]

enrichments enrichment analysis findallmarkers results in enrichment analysis mice

.libPaths() #The data is too large to go to the Linux server for processing .libPaths(c( “/home/data/t040413/R/x86_64-pc-linux-gnu-library/4.2″,”/home/data/refdir/Rlib/”, “/usr/local /lib/R/library”)) getwd() dir.create(“./enrichments”) setwd(“/home/data/t040413/silicosis/fibroblast_myofibroblast/enrichments/”) ####### Difference Analysis ###############################33 library(clusterProfiler) library(Seurat) library(SeuratWrappers) library(ggplot2) library(dplyr) library(stringr) library(openxlsx) library( library(“reshape”) library(“RColorBrewer”) # #remotes::install_github(‘satijalab/seurat-wrappers’) # #usethis::create_github_token() #usethis::edit_r_environ() getwd() file=”/home/data/t040413/silicosis/fibroblast_myofibroblast/enrichments/0.69″ dir. create(file) setwd(file) getwd() ?loadWorkbook #library(xlsx) #Reading files is much slower than openxlsx! […]

Find the median of two ordinal arrays

Find the median of two positive sequence arrays First, let’s understand the definition of median. The median is the number in the middle of the sorted array, or the average of the two middle numbers if the length of the array is even. For two ordinal arrays, we need to find their median. First, let’s […]

Classic problems of divide and conquer – quick sort, merge sort, full permutation, binary search, finding the kth largest element

1. Overview of Divide and Conquer 1. Design thinking 2. The problems that can be solved by divide and conquer generally have the following characteristics 3. Solving steps 2. Classic algorithm 1. Quick Sort 2. Merge sort 3. Full arrangement 4. Binary search 5. Find the kth largest element 1. Overview of divide and conquer […]

Algorithmic Trading: Finding the Alpha Factor

Financial Feature Engineering: How to research Alpha Factors This article describes algorithmic trading strategies in finance, where signals indicate when to buy or sell assets to generate superior returns relative to a benchmark, such as an index. The portion of an asset’s return that is not explained by the benchmark is known as alpha, so […]

[Redefining Matlab Powerful Series 8] Use matlab to find local values (function islocalmax to find local maximum + function islocalmin to find local minimum)

Operating environment: Matlab Written by: Left Hand の Tomorrow Featured column: “python” Recommended column: “Algorithm Research” #### Anti-counterfeiting watermark–Left hand の tomorrow #### Hello everyone, I am Left Hand の Tomorrow! haven’t seen you for a long time Open a new series today–Redefining the powerful series of matlab Last updated: May 21, 2023, 284 original […]

CMake was unable to find a build program corresponding to “Ninja” solution

Error log: > Configure project :app Support for CMake 3.7 and higher is a preview feature. To report a bug, see Support for CMake 3.7 and higher is a preview feature. To report a bug, see External native generate JSON debug: building json with force flag false External native generate JSON debug: starting […]

Android Studio CMake reports “CMake Error: CMake was unable to find a build program corresponding Ninja”

Two days ago, I didn’t modify anything, I opened Android Studio to compile so, and suddenly it failed. The error message is as follows: Support for CMake 3.7 and higher is a preview feature. To report a bug, see Support for CMake 3.7 and higher is a preview feature. To report a bug, see […]