Some Basic Programming Problems of PHP

Preface Some basic programming questions of PHP have been sorted out. Often doing such questions can consolidate their own foundation, exercise their logical thinking ability, and may also be used in written interviews. Among these questions, the author has met in the written examination. I think the main purpose of this paper is to examine you ...

Posted on Mon, 19 Aug 2019 05:03:23 -0700 by gazever

C++ STL Standard Template Library--set/multiset Concept and Simple Use

2019/8/19 Weather: Cloudy Basic concepts of set/multiset container Basic Concepts of set Containers Set feature: All elements are automatically sorted according to their key values. Set elements do not have both real and key values as map does. S ...

Posted on Mon, 19 Aug 2019 03:32:21 -0700 by freakuency

Day 15: Prime Screening + Decomposition Prime Factor + Integral Division

Primes: Positive integers greater than 1 that can only be divided by themselves and 1 T1 Prime Decision Time limit: 1 second Memory limitation: 32 Mb Special Judgment: No: Topic Description: Given a number n, it is required to determine whether it ...

Posted on Mon, 19 Aug 2019 02:50:36 -0700 by simple_man_11

Spring Framework Building - mock(java)

I. What is mock? The role of mock mock is a test tool that achieves its desired results by simulating uncontrollable or complex request results (such as third party requests) and controlling request parameters. Popularly speaking, it is the &quo ...

Posted on Mon, 19 Aug 2019 01:52:30 -0700 by northk

Python Grabs Stock Data of Securities Star

Links to the original text: https://www.jianshu.com/p/85d52ecfb529 Data acquisition is an indispensable part of data analysis, and web crawler is one of the important channels for data acquisition. In view of this, I picked up Python as a sh ...

Posted on Mon, 19 Aug 2019 00:58:37 -0700 by Grunge

nginx cross-domain, anti-theft chain, compression and other small functions in detail

Links to the original text: http://www.studyshare.cn/software/details/1173/0 I. Cross-border Cross-domain originates from the browser security specification formulated by the W3C organization, which does not allow websites within a domain name to acc ...

Posted on Sun, 18 Aug 2019 23:53:55 -0700 by 182x

Java Self-Learning - Operator Bit Operator

Java bit operators Bit operators are not commonly used in practice. It is recommended to skip this section. Real work is used, let's see again. Example 1: Binary representation of an integer Bit operations are for binary systems, but we usually use decimal systems such as 5. The binary of 5 is 101. So before you start learning, you need to know ...

Posted on Sun, 18 Aug 2019 23:44:54 -0700 by cyrenity

It's time for Android Tools to save you

In the daily development process, we all encounter the scenario that the UI effect we write needs to be previewed in advance before docking data, and then adjust the UI details and typesetting problems. What is our general practice? If there are basic controls like TextView or ImageView, are you still testing and previewing UI effe ...

Posted on Sun, 18 Aug 2019 23:26:36 -0700 by huppsi

[Java Container] List Container Usage and Source Code Analysis

List container ArrayList: Use dynamic arrays to save elements and support random access. Vector: Similar to ArrayList, but thread-safe. LinkedList: Use a two-way linked list to save elements, which can only be accessed sequentially, and can be used as stacks, queues, and two-way queues. 1 ArrayList 1.1 Brief Introduction List interface is imp ...

Posted on Sun, 18 Aug 2019 23:06:49 -0700 by angelcool

Python is used to analyze the "garbage classification" of the barrage in Station b. What do you say?

What do you say about "garbage classification"? Analysis of the Barrage Curtain of Station b by Python Catalog 1 Environment 2. Demand analysis 3 Code Implementation 4 postscripts Wet tissue is dry garbage? Is melon seed peel wet garbage ag ...

Posted on Sun, 18 Aug 2019 22:47:23 -0700 by supanoob