Role of thread pool:
1. Avoid the cost of creating and destroying threads when processing short-term tasks;
2. In a large number of concurrent tasks, system resources can be used more reasonably to cut peak and level Valley to ensure the stability of system operation;
It has the following advantages to build thread pool based on C++11 standa ...
Posted on Mon, 01 Jun 2020 11:39:53 -0400 by scuba
With the rise of live broadcasting, the career of anchor has gradually come into people's vision. Now each platform has the title of "master Huadan", "first brother", "first sister", etc. In fact, popularity is one aspect, but beauty is the hard power.
Next, I'll take you to the beauty test score of the anc ...
Posted on Sun, 31 May 2020 11:30:28 -0400 by sammon96
Copyright notice: This is the original article of Colin Cai, welcome to post. If you want to transfer, you must indicate the original website
QQ / wechat: 6679072
In theory, function is the first class function language, which can use function ...
Posted on Sun, 31 May 2020 04:03:14 -0400 by daok
Drawing of seven digital tubes
import turtle as t
t.pendown() if draw else t.penup()
drawline(True) if n in [2,3,4,5,6,8,9] else draw(False)
Posted on Fri, 29 May 2020 12:46:10 -0400 by klevis miho
. In Python, functions are usually divided into regular functions, anonymous functions and higher-order functions.
11.1 general functions
define a function in Python using the def keyword in the foll ...
Posted on Wed, 27 May 2020 08:52:39 -0400 by acroporas
Ritter's Law derives from queuing theory and is expressed in the following mathematical formulas:
L = λW
Average number of requests present in the L system.
The effective arrival rate for lambda requests.For example: 5/s means that five requests arrive at the system per second.
Average wait time for a W request to execute in the ...
Posted on Tue, 26 May 2020 14:28:50 -0400 by MrBillybob
Blog from: https://www.cnblogs.com/lcchuguo/p/5407709.html
ipopt is a toolset for solving optimization problems of nonlinear programming, but it can also be used to solve linear programming problems.It provides a c/c++ interface and is easy to use.
Solve non-linear problems like the following:
The Ipopt tool s ...
Posted on Sun, 24 May 2020 19:52:12 -0400 by flight553
We have a general understanding of SqlSugar in the last and last articles, but this is not perfect, because those are theoretical knowledge, unable to describe the actual situation in our engineering development. In this article, I will lead my friends to try to write a template class that can be used in the project.
1. Create a Clie ...
Posted on Sun, 24 May 2020 09:49:26 -0400 by CorfuVBProgrammer
by small touch shrimp
Functional programming is now gradually accepted by the majority of development groups. More and more developers begin to use this elegant development mode. The main thing we need to know about using functional programming is that:
What are high order functions?
What are the higher-order functions in Python? How ...
Posted on Sun, 24 May 2020 05:43:49 -0400 by johnbruce
1, Weather maximum temperature prediction task
Experimental data and source code https://github.com/wyn-365/temp-predict.git
We have three tasks to accomplish:
Using random forest algorithm to complete basic modeling tasks
Basic tasks require us to process data, observe features, complete modeling and conduct visual display analysis
Posted on Sun, 24 May 2020 01:21:53 -0400 by jrschwartz