Mybatis's Page Helper plug-in is believed to have been used by everyone (please float past ------), and it's really convenient to use. But PageHelper.startPage(PageNum, PageSize) is unbearable for a lazy person like me. What should I do? That's the way to think once and for all.
No more nonsense, let's go directly to the code below. ...
Posted on Fri, 20 Sep 2019 06:29:54 -0700 by chris1
On current limiting
The commonly used current limiting algorithms are leaky bucket algorithm and token bucket algorithm. guava's Rate Limiter uses token bucket algorithm, i.e. putting tokens into buckets at a fixed frequency, such as 10 tokens per second. Actual business obtains tokens from buckets before each response request, and only request ...
Posted on Fri, 20 Sep 2019 05:02:51 -0700 by [-_-]
Training Set-Test Set-Verification Set Cutting
Method 1: (borrowing tripartite sklearn library)
Because sklearn s train_test_split can only cut two copies, we need to cut it twice:
from sklearn.model_selection import train_test_split
x_train, x_test, y_train, y_test = train_test_split(
x, y, # x,y are raw data
Posted on Fri, 20 Sep 2019 03:25:29 -0700 by shonuff
Short web sites, as the name implies, use shorter ones instead of longer ones. Wikipedia's explanation is as follows:
Short URLs, also known as shortening URLs, shortening URLs and so on, refer to a technology and service on the Internet, which can provide a very short URLs to replace the original may be longer URLs, shortening the long URLs. ...
Posted on Fri, 20 Sep 2019 02:57:40 -0700 by penguinmasta
The last article introduced gh-ost parameters and specific methods of use, as well as the core features - dynamic adjustable pause, dynamic modification parameters and so on. This paper explains gh-ost's execution process, data migration and handover details design from the source code.
2.1 Implementa ...
Posted on Fri, 20 Sep 2019 02:08:10 -0700 by hehachris
Use Coordinator Layout to create cool effects
Custom Behavior - Float Action Button Hiding and Displaying
Deep Analysis of NestedScrolling Mechanism
Step by step, read the Coordinator Layout source code
Custom Behavior-Implementation of Simulated Sina Weibo Discovery Page
ViewPager, ScrollView Nested ViewPager Sliding Conflict Resolution
Posted on Fri, 20 Sep 2019 00:07:58 -0700 by snorky
Original address: https://github.com/30-seconds...
Filter non-unique values in the tuning array.
Use Array.prototype.filter() to filter out elements that have the same elements in the original array.
// Around the bow, the same element will be filtered out because the index is the same and the return true will be filtered out.
Posted on Thu, 19 Sep 2019 21:10:06 -0700 by john8m
Part I: [Basic Courses]
As iOS developers, the code we write is almost always in response to some events, such as button click, receiving network messages, property change (KVC key observation), or changing user location through corelocation, etc. Howeve ...
Posted on Thu, 19 Sep 2019 19:48:46 -0700 by Begbie
Accessing Kubernetes CRD with client-go packageThe Kubernetes API server can be easily extended by customizing resource definitions. However, accessing these resources with the client-go library is a bit cumbersome, and there is no complete official documentation. For example, the Kube builder operator-framework can easily help us create and im ...
Posted on Thu, 19 Sep 2019 05:23:45 -0700 by igoy
This paper summarizes the writing method of CMakeLists.txt file on linux platform.
First General Module
1.1 cmake version requirements
cmake_minimum_required( VERSION 2.8 )
# Project file name loop_closure, optional
project( loop_closure )
1.2 Compilation mode
IF(NOT CMAKE_BUILD_T ...
Posted on Thu, 19 Sep 2019 00:24:33 -0700 by killerofet