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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11459

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Shangxuetang MySQL video tutorial

Course Advanced 17742

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Band of Brothers front-end example display video tutorial

Course Advanced 11447

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

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javascript - Reference object assignment, deep and shallow copy jquery.extend

When a reference type is assigned to another reference type, they just point to the same address, and the operations affect each other. Deep copy is to reallocate space so that it and the previous object or array are not affected. Shallow copy is equivalent to assignment of reference type. {Code...} I have seen the jquery source code, and it is...

2017-05-19 10:33:54

javascript - Array assignment problem

Why is the value of arr assigned to arrnew? Why does arrnew change when arr changes? If you want arrnew to get the data of arr, how to write it without following the operation after arr? let arr=[1,2,3,4,5]let arrnew=arrarr=arr.sort((a,b)=>{return b-a})console....

2017-07-05 10:39:07

javascript - ES6 array destructuring assignment default assignment

When I saw Ruan Yifeng's ES6 tutorial on destructuring assignment and default values, I didn't quite understand this place. Original link Note that ES6 uses the strict equality operator (===) internally to determine whether a position has a value. Therefore, if an array member is not strictly equal to undefined, the default value will not take effect. {...

2017-06-07 09:24:42

javascript - Get the content in the tag and assign it to the title?

{Code...} Assign "Hi, your title" to title

2017-06-26 10:54:29

javascript - vue.js assignments are all two-way binding. How to only assign values but not two-way binding?

Data in vue is two-way bound. But I don't want to bind, I just want to assign the value to vue, but the original attributes remain unchanged, that is, one-way assignment? {Code...} What method is used to assign values?

2017-06-15 09:21:41

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Slice Assignment vs. Direct Assignment: When to Use Which Approach?

Course Introduction：Slice Assignment vs. Direct Assignment in ListsWhile slicing is a common operation for extracting elements from a list, its use in assignments can be confusing. Let's compare the difference between slice assignment and direct assignment.Direct Assign

2024-10-19 comment 0 539

When to Use Slice Assignment vs. Direct Assignment in Python Lists?

Course Introduction：Understanding the Difference Between Slice Assignment and Direct Assignment in ListsIn Python, slice assignment allows for efficient manipulation of a list's elements. While it is commonly employed with non-default indices, its use with slice indices

2024-10-19 comment 0 449

What is the memory allocation operation in Go language?

Course Introduction：Go language is a compiled statically typed language, which is influenced by C language and Pascal language. In Go, memory allocation is a critical runtime operation because it is the foundation and core of the heap upon which the runtime is built. Memory allocation in Go language involves two important concepts: heap and stack. The heap is used to store memory dynamically allocated when the program is running, such as dynamic arrays, slices, and maps, while the stack is used for local variables allocated when executing functions and the context of function calls. Memory allocation in Go language

2023-06-10 comment 0 1046

Is Pointer Assignment in Go Atomic?

Course Introduction：Atomicity of Pointer Assignments in GoIs assigning a pointer in Go atomic? In other words, can multiple threads simultaneously manipulate a...

2024-12-18 comment 0 698

One-step operation of PHP's list to assign values to a set of variables

Course Introduction：: One-step operation of PHP's list is used to assign values to a set of variables: for example: <?php list($a,$b) = explode(" ",microtime()); echo $a.'----- -'.$b; ?> Result: 0.60937700－－－－－1305625768

2016-07-29 comment 0 1055

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