TypeScript + React.Lazy
问题: const Game = React.lazy(() => new Promise( (resolve) => { setTimeout( () => resolve(import('./Game')) , 1000) })) Error : Error:(6, 35) TS2345: Argument of...
Post Method value is undefined
问题: The return of email2 is undefined. The method userRepository.getAllConfirmedEmails(...) delivers the right value, but in the post methode the return is undefinded. app....
Are there different Javascript objects in Google App Script?
问题: I had a strange encounter when I was trying to update user data with Google App Script via the Admin SDK Directory Service I wanted to add some values for a customschema li...
SQL Server Query Analyzer vs Execution Plan
问题: What is the difference between using SQL Server Query Analyzer and just simply highlighting your query, right clicking, and selecting "Show Actual Execution Plan"? 回答1:...
how to aggregate data base per month and previous data with oracle sql
问题: let's say we have a simple table "example" like this: id time 1 2-2-20 2 3-1-20 3 15-2-20 4 20-3-20 i want to count the rows by each month containing previous m...
Pivot without aggregate function
问题: I am trying to turn some parts of my rows into columns. To my knowledge, I am only able to use a pivot with an aggregate function,but I would just be pivoting text. For eac...
Loop through multiple tables to find match from table1 value [closed]
问题: Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers....
SQL to get some groups and keep the order
问题: I have an example data as below. +---------+------------+--------+ | user id | sequence | Action | |---------|------------|--------| | 12345 | 1 | Run | |...
Oracle Remove Duplicate Combination of Three
问题: I have a view that returns 3 columns with 3 hashes. The third column is sometimes null. These combinations repeat in different orders, for example: 1,2,3 1,3,2 2,1,3 2,...
How select greatest rows in each types
问题: I have a table with PK("object", "type", "mid") and this structure: +-----+----------+-------+---------+-----+ | type| object | value | preview | mid | +-----+---------...
Cannot understand how the GROUPING_ID() function is working in my case
问题: I have the following query : SELECT GROUPING_ID( shipcountry, shipregion, shipcity ) AS grp_id, shipcountry, shipregion, shipcity, COUNT(*) AS numorders FROM Sales.Orders...
postgres select all rows that has any of list strings in a varchar[] column
问题: create table Table1(id bigserial not null primary key, names VARCHAR(256)[]); insert into Table1(names) values('{name1,name2}'); insert into Table1(names) values('{name3,...
Regular expression in mysql to answer the given query
问题: my mysql table has a column structure that dumps various attributes which is separated by ";" for each of the element of a html file. +-----------+-----------------------...
list all left for all dates and ids nulls SQL
问题: Hi i have a problem with a query i want to do the tables are: CREATE TABLE `lista` ( `job` varchar(20) NOT NULL, `tipo` varchar(20) NOT NULL, `nombre` varchar(256)...
how to select the rest of the table in mysql?
问题: Suppose you have 2 tables. Book(TITLE) and Subject(IDSUBJECT, title) where title in subject references to title in book. What's the query to find all the books that are not...
Unable to start MySQL server - Control process exited with error code
问题: My mysql server is not starting after stopping it Command using: sudo /etc/init.d/mysql restart Error : Restarting mysql (via systemctl): mysql.serviceJob for...
MySQL id not saving in order (Laravel in production)
问题: Hi guys! I'm really confused about this.. So, I created a Laravel app and hosted it on Heroku. I'm using ClearDB extension to be able to use MySQL. Problem is: when I...
laravel migration SQLSTATE[HY000]
问题: I cannot run my migration command due to this error: SQLSTATE[HY000]: General error: 1215 Cannot add foreign key constraint (SQL: alter table user_schools add constra...
Send json data to mysql database?
问题: I need to send JSON data to mysql database but when i am trying to do this my code only sends this-> "{"0":"A" to mysql database here is my code: javascript <sp...
MySQL join table like concat but only pick latest row
问题: I have case where I need latest status. There are two tables, I simplify my table so it looks like below: Table A +------------+ | a_id | |------------| | A1...
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