How to delete pairs selected into own table

I have joined a table myself and I have the duplicate pairs highlighted in the image below, how can I remove them? selectDITINCTA.nameasname1,B.nameasname2from(selectname,ratings.*fromreviewersinnerjoinratingsonreviewers.id=ratings.reviewer_id)A,(selectname,ratings.*fromreviewers

P粉432930081 2024-04-01 16:39:46 0  2  467

Compare values ​​in duplicate tables

I have a query that generates a table of duplicate records from a larger data set, and I would like to be able to perform further analysis on this output data. Here's an example of what you can use. I would like to be able to identify, for each property, instances where the property's oldest rating ...

P粉811329034 2023-09-13 08:52:32 0  2  620

After PHPstudy automatically updates, it prompts that it does not have permission to open (win10 home version)

My operating system is Win10 Home Edition. After the installed PHPstudy was automatically updated, it was prompted that it has no permissions. Even if I want to change the file permissions, I can't. If I accidentally click 'Skip', it will be a disaster. I have to enter safe mode to delete PHPstudy a...

方玲 2017-11-22 10:23:48 0  2  1847

How to override method

As for the success() and error() methods in this example, they are located in jump.php. If I don't change jump.php, can I change these two methods in the file I created? For example, instead of changing conventio.php directly, you can create a config.php yourself to change the configuration.

正念的奇迹 2017-08-03 10:43:41 0  3  1333

Ag-Grid: Is it possible to style a row on a timer, rather than based on the data in the row?

I need to change the background color of rows after some time. There is a column in the grid with time in seconds and I need to change the row color after 50% of that time has passed. The data in the grid itself doesn't change, so using rowClassRules doesn't seem to work as nothing changes to trigge...

P粉277824378 2024-04-03 20:14:05 0  1  479

javascript - Problems pointed to by this

{Code...} When var a = new Persion('Tom'), self and this still point to Persion. When executing a.before().after(), self points to Window. I want to use self. When saving this, I did not change self artificially, so why does the value of self change? What...

ringa_lee 2017-05-19 10:08:29 0  3  511

javascript - The banner image of the website becomes blank in IE and 360 safe browser compatibility mode

1. The website is a template of dedecms. I modified the template code myself. This is the code of the picture on the homepage (http://www.yxjfu.com/index.html). 2. The website is in Google, Firefox, and 360 speed mode. normal. When opening in IE, 360 compatibility mode, sometimes the banner image wi...

怪我咯 2017-07-01 09:12:18 0  1  1446

After sealing the object with Object.seal() in es5, can the properties on the object prototype be modified?

mdn's explanation is that this translation does not affect the attributes inherited on the prototype, but the value of the __proto__ attribute cannot be modified. Then I tested it myself and found that the prototype can be deleted and modified after the object is sealed, and then I did not understan...

漂亮男人 2017-06-10 09:49:20 0  2  925

Data analysis - java data mining analysis ideas

Let me talk about my idea first: monitor the prices of many items on Taobao at the same time, and then obtain the price trends (I plan to write a crawler to obtain this myself, and then store it in the database), but the question arises: how should I store the data so that I can analyze it? Which it...

过去多啦不再A梦 2017-05-17 10:00:51 0  4  747

javascript - How to add hours, minutes and seconds to a single time picker of bootstrap's daterangepicker plug-in, as shown in the figure

I changed the data in it myself, and the effect can be displayed, but the selection of hours, minutes and seconds appears, but the date cannot be determined in the form without clicking on it.

世界只因有你 2017-05-19 10:34:44 0  1  833

How to configure apache to let your computer act as a server and let other computers access your host?

How to configure apache so that my computer can be used as a server so that other computers can access my host. I can access it by entering the IP myself, but other computers on the LAN cannot access it. The firewall has also closed my apache httpd.conf file and has been modified as follows: Options...

仅有的幸福 2017-05-16 17:02:29 0  1  734

javascript - How to directly transplant part of the content of other websites?

Maybe the description of the problem is not very clear. For example, I want to copy the entire HMTL of SF to my website. If SF is updated, mine will also be updated, and can it remain clickable? Or can we only implement it by writing a crawler to crawl it and typesetting it ourselves?

黄舟 2017-06-26 10:50:44 0  3  984

About PHP reference passing problem

An array a itself is referenced by other arrays. Now I want to assign array a to array b in an if judgment, but I don’t want to assign the reference in a to b. I just want to simply pass the value. This requires How? Because we only want to change the value of b in the if, we judge that the value of...

大家讲道理 2017-05-18 10:45:59 0  3  516

Modify textNode value

Is there any way to change the value of a DOMtextNode in a web browser? I specifically wanted to see if it was possible to change an existing node, rather than create a new one. To clarify, I need to use Javascript to accomplish this. All text in the browser is stored in #textNodes, which are childr...

P粉805535434 2023-10-17 20:55:25 0  2  653

Regarding the php7 new feature manual, my own doubts

Modification of the variable processing mechanism array_pop requires passing a reference, which is not possible in PHP5. This should not be considered a new feature, right? Parentheses should still be used. Global does not support reference declarations of instance variables in PHP5. In the final an...

break||continue 2018-05-07 17:32:24 0  3  1248

java - trigger to update two tables at the same time

Using mysql, book management, the problem involves two tables, books and render. Here comes the problem: I want to create a trigger to realize the automatic increment of borrowed books/automatic decrement of returned books, but the trigger I wrote cannot realize this function. Finally The amount has...

高洛峰 2017-06-28 09:23:33 0  2  885

Query mongodb with two parameters

Does anyone have an idea how I could modify this code so that I can search based on title or rating or both? I've tried several approaches, including using the $and operator, with no success staticasyncgetMovies({filters=null,page=0,moviesPerPage=20,}={}){letquery={}if(filters){if ("title"...

P粉665679053 2023-09-11 19:07:07 0  1  614

How to change background color of rows based on page item value in interactive report

Hi everyone, I have a problem, in my program, there is a hidden page item, when I click on any row of the order report, the hidden page item takes the order id, than I change the order details table with the page item value . Now everything is fine, I have the order id on the page item and I want to...

P粉588152636 2023-09-15 12:23:28 0  1  614

The LAN cannot access the Apache server

I can access it by entering the IP address on my own computer, but I cannot access it by entering the IP address on the computer of my classmates on the LAN. Make the following configuration: 1. 2. 360 has been closed. 3. The Httpd.conf file is modified as follows: # # Possible values ​​for the Opti...

过去多啦不再A梦 2017-05-16 17:02:28 0  1  706

When I try to translate the element via js it doesn't work

All elements with em class need to be displayed one at a time based on the rating. I made the emoji container as big as the icon, so with the overflow hidden, only one emoji container can be shown. The problem is, when I try to modify the transform properties, it doesn't work. conststarsEl=document....

P粉277305212 2024-02-17 20:11:05 0  1  394