Reading notes on the way of code neatness

Why keep your code clean? Tall: Software quality is not only dependent on architecture and project management, but also closely related to code quality, which is directly proportional to its cleanliness. Software quality < = > code quality < = > cleanliness. If software is compared to a g ...

Posted by falcons on Tue, 23 Jun 2020 00:13:29 -0700

Python notes - special exercises and answers

1. Output hello world on the screen print("hello world") 2. Try to define several variable types int type float type bool type string type a=1 b=1.0 c=2-1>2 d="f" print(type(a),type(b),type©,type(d)) 3. Try adding numeric types to see the result types a=1 b=1.0 print(type(a+b)) 4. Get the string e ...

Posted by evilcoder on Sun, 21 Jun 2020 22:04:38 -0700

Analysis and prediction of Telecom user churn

Analysis and prediction of Telecom user churn 1, Project background 2, Analysis purpose 3, Data source 4, Ask questions 5, Analysis process 6, Understanding data 1. Feature understanding 2. Import data 3. Data transformation 7, User churn analysis 1. Analysis of loss proportion 2. User attribute a ...

Posted by Envex on Sun, 21 Jun 2020 20:06:40 -0700

Data structure_ Summary of sorting algorithm

A summary table of all internal sorting algorithms asadsa.png Simple selection sorting First find the smallest (large) element in the unsorted sequence, store it at the beginning of the sorted sequence, then continue to find the smallest (large) element from the remaining unsorted elements, and ...

Posted by lzylzlz on Sun, 21 Jun 2020 20:01:14 -0700

Algorithm training phase I

Overview of the first phase of algorithm As the first phase of algorithm training, it is not difficult. But as a normal algorithm learner. We should not be bound by the present, so we will talk about as many ways as possible. As a review of previous algorithm learning. The methods used here will be described in detail in other documents. Missin ...

Posted by PeterPopper on Sat, 20 Jun 2020 21:24:09 -0700

BootStrap--Common Styles to learn more, join QQ Group: 1080355292, Enrollment Code (33)

Common Styles Typesetting Title Bootstrap, like regular HTML pages, defines headings with labels <h1> to <h6>, except that Bootstrap overrides its default style and works the same as it does in all browsers.In order for Non-heading elements to use the same style as headings, six class names, from.H1 to.H6, have also been deliberate ...

Posted by jeff2007XP on Sat, 20 Jun 2020 17:37:28 -0700

BootStrap -- common style

Common styles Typesetting title Bootstrap, like ordinary HTML pages, defines the title with tags from < H1 > to < H6 >. However, bootstrap overrides its default style and displays the same effect in all browsers. In order to make the non heading element and the heading use the same style, six class names of. h1~.h6 are specially def ...

Posted by BobRoberts on Sat, 20 Jun 2020 00:56:05 -0700

TOP K problem, summary of the problem of the largest (smallest) element in the array

Problem Description: The largest k-th element was found in the unsorted array. Note that you need to look for the k-th largest element after array sorting, not the k-th different element. It is one of the questions often asked in interview. At the same time, it is also a good question to investigate the calculation of time complexity due to i ...

Posted by alex.hughson on Fri, 19 Jun 2020 23:02:21 -0700

Uboot 1.3.4 learning notes uboot configuration process

/mkconfig file analysis: Six important parameters of mkconfig script: Configure in the main makefile file: x210_sd_config : unconfig #$(@:_ config =) for the target_ config is replaced by "" to get x210_sd @$(MKCONFIG) $(@:_config=) arm s5pc11x x210 samsung s5pc110 #Output TEXT_BASE variab ...

Posted by jtapoling on Fri, 19 Jun 2020 22:28:33 -0700

Seven common sorting algorithms of comparison class (detailed explanation of python)

Seven common sorting algorithms of comparison class (detailed explanation of python) Seven common sorting algorithms of comparison classes Bubble sort, insert sort, select sort, fast sort, Hill sort, merge sort, heap sort explanation and python implementation Algorithm stability: for the values with e ...

Posted by hawkenterprises on Fri, 19 Jun 2020 22:03:29 -0700