1, Concept introduction: LLVM and OLLVM
LLVM is a complete compiler architecture, in which the front-end compiler uses clang.
The code is compiled by LLVM:
Among them, explain IR (also known as BitCode). LLVM compiler adds intermediary code to the traditional three-tier model. After the source code ...
Posted on Wed, 05 Feb 2020 04:51:51 -0800 by raahatazim
Enter a string and a non negative integer N, which requires the string to be rotated left N times.
Enter a non empty string ending with carriage return with a length of no more than 100 characters in line 1, and a non negative integer N in line 2.
Output the string after N l ...
Posted on Wed, 05 Feb 2020 02:54:31 -0800 by techevan
CopyOnWriteArrayList implements the List interface. You can see from its name that it copies an array when writing data.
CopyOnWriteArrayList is an array structure. Data writing can be described as obtaining lock first, copying the data of old array to new array, inserting data into new array, and repla ...
Posted on Tue, 04 Feb 2020 22:13:49 -0800 by irishprogrammin
(๑̀ㅂ́́و✧) favorable comments on the topic (๑̀ㅂ́) ✧
٩ (๑◡๑๑๑) the first Ynoi ٩ (๑◡๑) in life
First, use PR to decompose the prime factor of all numbers
In the case of Mo team, the idea is relatively simple. By directly ...
Posted on Tue, 04 Feb 2020 21:13:09 -0800 by ONiX
Crawl Baidu's source code and save it locally.
About the request parameters in the url to execute the specific request.
Send post request
The crawler's actions are all crawled in the source code corresponding to t ...
Posted on Tue, 04 Feb 2020 09:32:55 -0800 by krraleigh
js built in object: Array String Math Date
// 1,Constructor method to create an array
var arr=new Array();
Posted on Tue, 04 Feb 2020 07:16:54 -0800 by Tonsil
1, Introduction to datetime module
(1) The datetime module contains the following classes:
Date object, common attributes are year, month, day
Date time object, commonly used attributes are hour, minute, second, microsecond
Posted on Tue, 04 Feb 2020 06:31:06 -0800 by morphius
Python machine learning
3-day quick start python machine learning in 2018 [dark horse programmer]
(2) Characteristic Engineering
1. Dictionary feature extraction
from sklearn.feature_extraction import DictVectorizer
//Dictionary feature extraction
Posted on Mon, 03 Feb 2020 09:03:03 -0800 by MitchEvans
Learning website: https://www.runoob.com/python/python-basic-syntax.html
Generate notes after running code
Unfinished part:: = walrus operator not attemptedUnfinished part: operator priority not attempted
#The code is as follows:
# Chapter4: Python 3 operator
Posted on Mon, 03 Feb 2020 00:28:32 -0800 by waynem801
Using svg to display loading prompt interface
Here, we can't use v-for="(shop, index) in shops" for svg ul. Our purpose is to display the interface like this when we don't get data. When we use it, we can't display it. Therefore, v-for="items in 6" needs to be like this,
Posted on Sun, 02 Feb 2020 07:17:52 -0800 by rajavel