Escape function for regular expression or LIKE patterns

To forgo reading the entire problem, my basic question is: *Is there a function in PostgreSQL to escape regular expression characters in a string?* I've probed the documentation but was unable to...

Insert and set value with max()+1 problems

I am trying to insert a new row and set the customer_id with max()+1. The reason for this is the table already has a auto_increatment on another column named id and the table will have multiple...

Inserting into Oracle and retrieving the generated sequence ID

I have a handful of raw SQL queries for SQL Server which use SCOPE_IDENTITY to retrieve the generated ID for a specific INSERT immediately after that INSERT occurs all in one execution… INSERT...

Navigate manually with a cursor through nested lists by only providing "left()" and "right()" as commands?

Eventhough I write in python I think the abstract concept is more interesting to me and others. So pseudocode please if you like :) I have a list with items from one of my classes. Lets do it with...

Lock free doubly linked skip list

There exists tons of research on lock-free doubly linked list. Likewise, there is tons of reserach on lock-free skip lists. As best I can tell, however, nobody has managed a lock free doubly...

SQL Insert Multiple Rows

I want to insert multiple rows in a single table. How can I do this using single insert statement?

Efficient dictionary inversion on dictionary like file

Been having trouble efficiently inverting (swapping the values for keys and the keys for values) a large (2.8GB) dictionary stored in a file. Efficiency is the problem, my current solution is...

how to make HQL that will generate SQL to insert multiple values in one statement?

I need hibernate to generate sql like this INSERT INTO table_a (a_id, a_name) VALUES (5, 'a5'),(6, 'a6');. With sql like that you can add 2 row with 1 statement. I can get a_id,...

Inserting multiple textbox data into an Excel file

I want to write a program that saves the text in textbox to an Excel file using a loop because I want to insert multiple text into Excel. I found codes but it only overwrites data in cells. I want...

how to save the data that the user input in form page after the script executed?

may I know is it possible to save the data from the form which the user input earlier? Here is the form file: <!DOCTYPE HTML> <html> <head> <meta http-equiv="content-type"...

search for element in list and replace it by multiple items

What is the pythonic way to search through the given list ['a', 'b', 'c'] for the element b replace it and insert multiple items b1, b2, b3 so that the list finally reads as ['a', 'b1', 'b2', 'b3', 'c']

"ORA-14450: attempt to access a transactional temp table already in use" in a compound trigger

I have a table which can hold many records for one account: different amounts. ACCOUNTID | AMOUNT id1 | 1 id1 | 2 id2 | 3 id2 | 4 Every time a record in this table is...

React custom event listener

I'm writing a Chrome extension that places a button next to the "reply" button of each email. And elsewhere on the page is the main React component. When the component loads, I add listeners to a...

Persisting Spark Streaming output

I'm collecting the data from a messaging app, I'm currently using Flume, it sends approx 50 Million records per day I wish to use Kafka, consume from Kafka using Spark Streaming and persist it to...

Split r chunk header across lines in knitr

When I'm inserting long captions and the like in my R chunk header, it'd be nice to be able to split the header across multiple lines. Is there any easy way to do this? E.g.: ```{r, echo=FALSE,...

Shared workbook - updating data before action

I have shared workbook in excel, so multiple users can change content. Sheet works as list of projects and tasks, which user can insert, edit and delete. Edit and delete works fine for multiple...

How to send email to multiple recipients when new row inserted ?

I'm using SQL Server 2014 I have a table A with these columns: planNo, parcelNo, id And another table B with these columns: planNo, parcelNo, userEmail When a new row is inserted into table A,...

Perform multiple paired t-tests based on groups/categories

I am stuck at performing t.tests for multiple categories in Rstudio. I want to have the results of the t.test of each product type, comparing the online and offline prices. I have over 800 product...

Changing Google Maps marker icon to custom icon

I have been developing a site using Adobe muse, I have chosen to implement a customised Google Map on the company's contact page. I have done so using some basic javascript, inserted into the Muse...

Add Header and Footer to mulitpage word doc VBA

I am trying to add a header and a footer to each page of a word document via a macro. I have tried a few different methods such as iterating through each shape on the page but in that case , the...

ngOnChanges is calling up multiple times

I have generated multiple ion-slides using ngFor, and inserted a component there. It is calling ngOnChanges multiple time. I want it should call only once, so that I can call my api. I have tried...

When to use Repository vs Service vs Trait in Laravel?

To avoid code duplication in Laravel, I want to have a method that is used by multiple Controllers, it inserts some rows in database and also updates some data in another table. I thought of using...

Is there a way to plot multiple horizontal lines using hlines() function in a single plot of matplotlib?

I have an pm2_5 dataframe data which I've plotted using a matplotlib scatterplot. I want to insert multiple horizontal lines at different y-values, I'm doing it by manually calling the...

Design help for parallel processing Azure blob and bulk copy to SQL database. C#

I have a requirement to fetch blob files from Azure storage, read through them, get the data and process it, and store it into a database. The number of data fetched from blob is high, i.e. around...

Hive : How to flatten an array?

I have this table CREATE TABLE `dum`( `val` map<string,array<string>>) ROW FORMAT SERDE 'org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe' STORED AS INPUTFORMAT ...

Problems with uploading CSV file to SQL Server with PHP

I have created a web application to allow users to upload CSV files into SQL Server. I have 8 columns in total. The id column in SQL Server is auto-increment so minus that column. The upload was...

'No write concern mode named 'majority`' found in replica set configuration' error

I'm trying to insert an object into mongodb via a POST request. The object that I send gets inserted in the db successfully, however I get the error mentioned above. The package I'm using for...

Make @GeneratedValue start a sequence with a specific value

I have a class that is an entity of a table from a PostgreSQL database: @Entity @Table(name = "users") public class User { @Id @Column(name = "id") @GeneratedValue(strategy =...

Spring data R2DBC - Custom converters not picked up when connecting to multiple databases

The application I am working on is connecting to 2 postgresql databases at the same time. The application is trying to perform an insert in a table with 3 columns on one of the two databases. The...

Intersection and difference function on sets using BST in haskell

I have implement the Set datatype using Binary search tree. My implementation is as follows:- data Set a = Empty | Node a (Set a) (Set a) I have also written some other functions such as...