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jdbc cannot connect to postgresql database - Stack Overflow

When using jdbc to connect to the postgresql database, the error is as follows: {code...} The key error message: Cannot create PoolableConnectionFactory (????????: ?????? "uav_test " ??????) Connection The parameters are as follows: {code...} When I change the postgresql database...

給我你的懷抱 2017-05-17 10:02:08 0  2  1075

Missing newline characters while getting data from PostgreSQL database using PHP

Title: Missing newline characters when getting data from PostgreSQL database using PHP Text: When I use PHP to get data from a PostgreSQL database, I encountered a problem. I use Navicat to view the data in the database, and I can obviously see the newlines (\n) in the data.

P粉696146205 2023-08-06 13:44:42 0  1  822

Laravel: Error [PDOException]: Driver not found in PostgreSQL

Translate: "I'm trying to connect with PostgreSQL database through Laravel in order to do a PHP artisan migrate, but it doesn't seem to be directed since it's reading the database name of MySQL.

P粉722409996 2023-07-31 18:16:43 0  2  1128

Wrong array literal when inserting array into PostgreSQL column

I'm using objection.js in my application. I'm running into an issue while trying to insert an array of strings into a PostgreSQL database column. The column is defined as follows: pathTEXT[]NOTNULL This is the pattern: path:{type:'array',items:{type:'string'},notNull:true} I want to update a table c...

P粉141925181 2024-01-29 15:46:16 0  1  786

How to efficiently pass JSON data from PostgreSQL jsonb field to Javascript?

I'm looking for a smart solution to process some JSON data from a postgresql database in Javascript. I know I need to read the database via php and pass the data as an array to Javascript. Typically you would do something like this: <?php$phpArray=array('apple','banana','orange');$jsonString=json...

P粉596161915 2023-09-12 14:52:26 0  1  793

Backup of PostgreSQL database design - no data

I'm trying to find a way to backup my database design without including the data stored in the database. Actually, one might say I want a file containing all "CREATEScripts" in the database. Ideally, this file can be used to recreate the database (without the data of course). How to avoid ...

P粉098417223 2023-08-24 14:29:36 0  1  794

postgresql - What are the advantages and disadvantages of on duplicatekey update in MYSQL?

on duplicatekey update If it exists, it will be updated, if it does not exist, it will be inserted. It is an operation we often use in business. However, it is rarely seen in projects. What is the reason for this? Most of them are used in business. 1 .select2.insert or update Some databases support ...

PHP中文網(wǎng) 2017-06-24 09:41:38 0  1  1482

mysql - How does a postgreSQL database set the default collation of a table's fields?

I now create a new table with a date field. When all rows of data are displayed, the sorting rules can be changed through the sort filter button settings, but when I close the window and reopen it, the display is messed up again. How to solve it?

怪我咯 2017-05-17 10:01:37 0  1  1062

python - How to select multiple fields in postgresql and only deduplicate one of the fields

Select distinct name, age returns columns with different names and ages. I want to get results like lily 23peter 23. Please solve it.

某草草 2017-05-24 11:35:12 0  1  1234

Laravel Modal does not return data

I don't know why I'm not getting the value from the modal in my Laravel controller. Please check it for me. However, I use the same code for other modes and controllers. It's working and returning the value from the property without any issues. I'm using Laravel8 and php8.1; below is my code. app\Ht...

P粉174151913 2024-03-29 10:31:31 0  1  586

Can I use the automatic generation module of thinkphp5 in Windows 7 system? How to configure and use

明民 2017-10-10 17:04:14 0  2  1379

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

劉袁銘 2017-10-10 19:25:59 0  4  2935

mcrypt_get_key_size()

To use mcrypt_get_key_size() in php study, how to enable mcrypt_

劉袁銘 2017-10-10 19:47:34 0  1  1167

Detecting login status and preventing repeated login status in TP5 - My page is wrong

冥冥之中天注定 2017-10-10 22:49:15 0  0  1180

Issues with resending WeChat public account template messages?

For example: I am using PHP to develop WeChat public accounts. If I send a template message, the WeChat client may receive 1-3 messages. I checked Baidu and said that the WeChat server will resend in 5 seconds. How to solve this problem?

飛揚(yáng) 2017-10-11 08:00:11 0  0  1137

How to install php7

我無(wú)限黑暗里的小太陽(yáng)▼ 2017-10-11 09:11:44 0  1  1143

Solve (no language limit)

A census taker asked a woman, "How many children do you have and how old are they?" The woman replied, "I have three children. Their ages multiplied is 36. The sum of their ages is equal to the house number of the segregated room." Census The enumerator immediately went to the ne...

路過(guò) 2017-10-11 10:20:08 0  1  1359

There is no WWW file in the phpStudy directory. Enter localhost in the website and the hello world solution will come out directly! I created the WWW folder in the root directory and then created an abc.php. localhost/abc.php still didn't come out and an error was reported. not found

<?phpphpinfo();?>

M..moli瞎 2017-10-11 11:45:27 0  7  5206

Find an authoritative and practical development tutorial or article on WeChat scan code authorization to log in to the website

Find an authoritative and practical development tutorial or article on WeChat scan code authorization to log in to the website

極世 2017-10-11 12:33:15 0  1  1681

How to uninstall phpstudy.

whlyx 2017-10-11 15:53:03 0  2  1764