Tag：efficiency
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Time：2021-9-17
5356. Lucky numbers in matrices class Solution: def luckyNumbers (self, matrix: List[List[int]]) -> List[int]: rmin = [min(x) for x in matrix] cmax = [] n = len(matrix) m = len(matrix[0]) for i in range(m): maxv = matrix[0][i] for j in range(1, n): maxv = max(maxv, matrix[j][i]) cmax.append(maxv) ans = [] for i in range(n): for […]
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Time：2021-9-15
Introduction: serverless application engine SAE is an application-oriented serverless PAAS platform, which provides a one-stop application hosting scheme with higher efficiency and better cost. Zero threshold + Zero transformation + Zero container foundation, that is, enjoy the technical dividend brought by serverless + k8s + micro services. Iqiyi has solved the pain points faced by […]
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Time：2021-9-14
Introduction:As we all know, kubernetes is the cornerstone of the cloud native domain. As the infrastructure of container orchestration, kubernetes is widely used in the serverless domain. Resilience is the core competitiveness in the serverless field. This sharing will focus on how to optimize pod creation efficiency and improve resilience efficiency in the serverless service […]
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Time：2021-9-11
Execution effect: Count () includes all columns, which is equivalent to the number of rows. When calculating the results,Column values that are null are not ignored Count (1) includes ignoring all columns and using 1 to represent the code line. In the statistical results,Column values that are null are not ignored The count (column name) […]
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Time：2021-8-31
import random Ou = “even”Ji = “odd”a = range(1,11) x = 0 while x < 10: list = random.sample(a,10) print(list) if list[0] % 2 != 0: print(ji, end=”,”) else: print(ou, end=”,”) if list[1] % 2 != 0: print(ji, end=”,”) else: print(ou, end=”,”) if list[2] % 2 != 0: print(ji, end=”,”) else: print(ou, end=”,”) if list[3] […]
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Time：2021-8-29
The SQL part for monitoring is sorted into a column to output the main content. I don’t like to disassemble it myself or add other column information that needs to be used. Resolution:1. Only the blocked and blocked persons are output, and the blocking time > = 60s;2. Chr (10) line feed output, the effect […]
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Time：2021-8-9
Reflection instantiation class public class Person { public string Name { get; set; } public Person(string name) { this.Name = name; } public string Say(string msg) { return $”{Name}: {msg}”; } } class Program { //Number of tests const int count = 10000000; static void Main(string[] args) { CreateInstance0(); CreateInstance1(); CreateInstance2(); CreateInstance3(); CreateInstance4(); Console.Read(); } […]
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Time：2021-7-31
background Baidu Encyclopedia’s definition of stored procedures Stored procedure is a set of SQL statements to complete specific functions in a large database system. It is stored in the database and is permanently valid after one compilation. Users execute it by specifying the name of the stored procedure and giving parameters (if the stored procedure […]
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Time：2021-7-27
After the birth of the world wide web in 1989, HTTP quickly became the dominant application layer protocol in the world. Today, almost any scenario uses the HTTP protocol more or less. In the history of more than 30 years, HTTP protocol itself has made great development. At the same time, some major changes are […]
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Time：2021-7-19
Introduction:This paper will discuss a methodology that has not yet been practiced, that is, whether the “growth hacker” theory can be applied to the improvement of R & D process, so as to achieve more reliable directional efficiency optimization? As a conventional means of recording user behavior, buried point has gone through the spring and […]
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Time：2021-7-14
Panda API is an interface design tool, which can generate documents, provide interface simulation service (before you write any code), automatically test the back-end interface, and effectively improve the efficiency and quality of project development. Why use panda API? Improve development efficiency and quality: Panda API can isolate the front-end and back-end in the development […]
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Time：2021-6-14
On November 24, the education and technology sub forum of 2020get conference sponsored by Jigou technology was successfully held in Beijing. Six senior education / technology celebrities from dingdong classroom, Xiaobing, 360os, tomato field art and Jigou technology shared in-depth at the forum. The following is a speech by Ding Dong classroom CEO Qiu Mingfeng […]
