pt-online-schema-change - Huge replication delay when renaming table

We are using ptosc on a PerconaMySQL5.7 database and at the end of the process we experienced a huge replication delay of 2-3 minutes on all replicas. We use the following command and it does pause the copying of the data when it encounters a replication delay, but towards the end of the process, pr...

P粉331849987 2023-09-01 11:39:37 0  1  725

macos - How to remove the number bar on the left when copying Vim for Mac

As shown in the picture, when copying, always copy the number column on the left =.=

某草草 2017-05-16 16:39:36 0  2  628

javascript - Mobile terminal development H5 page cannot be implemented on iOS mobile phones. Long press to copy text. Looking for a solution?

Mobile terminal development H5 page cannot realize long press to copy text on iOS mobile phone. The answer from Baidu and Google search is that the iOS mobile phone system comes with a setting that needs to be disabled. Our requirement is to realize this function. However, when I tested on the mobil...

ringa_lee 2017-05-16 13:29:16 0  1  649

javascript - How to copy moment

{Code...} If you make a copy of a, while b is April 25th, a remains unchanged.

淡淡烟草味 2017-05-16 13:42:33 0  2  709

Linux cannot copy problem

If this program is installed under root, then after installation, I find that its configuration file cannot be copied and pasted manually. Do I need to use commands under root to copy and paste in the current directory? Is that so? But I found out why copying like this doesn’t work?

过去多啦不再A梦 2017-06-12 09:24:41 0  5  1090

Copy the values ​​of an array

When copying one array to another in JavaScript: vararr1=['a','b','c'];vararr2=arr1;arr2.push('d');//Now, arr1=[ 'a','b','c','d'] I realized that arr2 was referencing the same array as arr1, not a new, separate array. How do I copy an array to get two separate arrays?

P粉002546490 2023-08-20 12:42:44 0  2  557

Will mysql master-slave and slave database lock tables cause replication blocking?

Mysql is configured with master and slave, and the slave database is used to query slow statements. If the table is locked during query, will the master database always copy it? Or will it wait until the slow query is completed before copying it?

淡淡烟草味 2017-06-22 11:54:33 0  3  1286

How to copy? ? ?

How to copy

伍晨 2018-01-14 19:28:10 0  1  1417

How does PHP realize real-time output of content?

Which method does PHP use to update output content in real time on the console? For example, if I want to output 1000 rows: "inserting row X", the console shows that only X is changing.

天蓬老师 2017-06-16 09:18:32 0  2  720

javascript - Issues about disabling text selection and copying

The style is as follows {code...} The html structure is as follows {code...} Some of the items have been selected to disable this article. When selecting an item individually, the selection can indeed be disabled, and the content cannot be copied, but If you use cmd + a to select all, you will see t...

为情所困 2017-06-26 10:58:49 0  2  794

vim - Copy content to system clipboard

In ex mode 2, 10y can copy 9 lines, but these contents are not in the system clipboard. In normal mode, do this 1. Jump to line 2 2gg 2. 8"+y Copy 8 lines below the current cursor, plus the current line, it will be 9 lines. Can you create a way to enter 2,10"+y in ex mode to achieve... .

曾经蜡笔没有小新 2017-06-14 10:50:23 0  1  1072

Copy text without typing or buttons

How to create a function that copies text to the clipboard? I found on w3schools how to do it using input boxes but I don't know how to do it using just text (like Hypixel for example)

P粉785522400 2023-08-30 09:21:39 0  1  580

How to make the text in the web page selected by default? The kind that can be copied directly by right-clicking.

How to make the text in the web page selected by default? The kind that can be copied directly by right-clicking. Ask God for advice. . . . . . . . . . .

P粉726632954 2022-06-28 15:07:45 0  3  1270

How can nginx or django limit the number of visits to the same IP within a fixed period of time?

How can nginx or django limit the number of visits to the same IP within a fixed period of time?

黄舟 2017-05-16 17:26:43 0  1  734

How to copy a row in the same table in MySQL only if the row does not exist?

I'm trying to figure out how to copy a row record from the same table (only if the row doesn't exist), but the solutions I've found are only partial. For example, "Copy record" or "Insert if not present." So I tried to merge these answers to make my answer, but... I guess I just ...

P粉729518806 2024-02-21 17:19:58 0  1  453

Issues uploading and displaying images copied directly into the Summernote editor

I'm having trouble uploading images copied directly into the Summernote editor without using the image button. Here's a brief overview of the problem and the steps I've taken so far: I've integrated Summernote into my web application and enabled the paste functionality to allow users to copy and pas...

P粉505917590 2024-03-21 23:48:43 0  1  517

php implements real-time search

How to implement real-time search box under thinkphp3.2? ? If possible, could you please be more detailed? Thank you! !

黄舟 2017-05-31 10:34:36 0  4  839

When vim records a macro, can it record the time?

When vim records a macro, can it record the time? That is, I want to add the time factor, for example, I want to play the macro once every 1 second.

天蓬老师 2017-05-16 16:41:01 0  3  748

Please tell me about the relevant content when distributing controllers in MVC

Why is a path instantiated when dispatching a controller?

芯灯 2021-09-13 19:37:46 0  2  797

Neither copying your code

Neither copying your code

small 2019-08-30 17:32:12 0  2  1382