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Objective of this paper Because the image and template (OpenJDK8) officially provided by OpenShift does not fully meet the business needs: Flight recording function is not included. Only OpenJDK11 and above are open source by Oracle The generated heap dump is very large and slow (the minimum JVM heap of the company project is 16G and the m ...

HanLP Chinese word segmentation, person name recognition and place name recognition Experimental purpose Download and install HanLP natural language processing package from the Internet;Familiar with the basic functions of HanLP natural language processing package;Using the information obtained by the web crawler, call the API of HanLP for Ch ...

1. Java's own tools and methods 1.1 the list set is spliced into comma separated strings 1.2 compare whether two strings are equal, ignoring case 1.3 compare whether two objects are equal 1.4 intersection of two List sets 2. apache commons tool class library 2.1 commons Lang, enhanced version of java.lang 2.2 common collections co ...

Responsive Web Design-   Viewport Responsive layout is that a website can be compatible with multiple terminals - rather than making a specific version for each terminal. advantage:   Strong flexibility in the face of different resolution devices It can quickly solve the problem of multi device display adaptation Disadvantages: & ...

Suppose we have the following function int compare(const string &v1,const string &v2) { if(v1<v2)return -1; if(v1>v2)return 1; return 0; } This function compares two values and indicates the greater than, less than, or equal relationship between the two values. 1. Function template 1. template<typename T> ...

MISC Really sign in DASCTF{welc0m3_t0_9C51s_2021} YUSA's little secret Open the adjustment channel with Stegsolve to find the hidden flag; But it can't be seen when disturbed Search engines look up data and find problems. This refers to a color coding model called YCrCb Refer to [ByteCTF2020]Hardcore Watermark 01: https://bytect ...

Project packaging and Optimization - Project packaging Objective: to be able to package projects through commands Steps: Open the terminal in the project root directory and enter the packaging command: npm run build Wait until the package is completed, and the packaged content is placed in the build folder under the project root Project p ...

The Content Provider is used to share data between different applications. The application uses a ContentResolver object to manipulate the specified data. 1 Content Provider overview The Content Provider implements a set of general methods to provide data addition, deletion, modification and query functions. The application obtains the Cont ...

annotation Work for about a year. Before reviewing, I found that many basic knowledge learning was not solid enough. From today on, I will start the weekly self-study task and record it. This note is a self-study note, which can also be read and viewed by everyone. What is annotation? Java Annotation, also known as Java Annotation, is an Anno ...

1. Semaphore There are two kinds of semaphores: counting semaphores and binary semaphores. Counting semaphores can be obtained multiple times. Binary semaphores have only two states: 0 and 1, and can only be obtained once. Semaphores can be used to protect resources and prevent multiple tasks from accessing a resource at the same time. Create ...