Questions

How can I remove part of a string in PHP?

How can I remove part of a string? Example string: `"REGISTER 11223344 here"` How can I remove `"11223344"` from the above example string?

12 May at 19:45

How to create hyperlink to call phone number on mobile devices?

What is the proper, universal format for creating a clickable hyperlink for users on mobile devices to call a phone number? Area code with dashes ``` <a href="tel:555-555-1212">555-555-1212</a> ``` ...

24 Nov at 13:9

XPath: Get parent node from child node

I need get the parent node for child node `title 50` At the moment I am using only ``` //*[title="50"] ``` How could I get its parent? Result should be the `store` node. --- ``` <?xml version...

17 May at 17:23

How to declare an ArrayList with values?

[ArrayList or List declaration in Java](https://stackoverflow.com/questions/12321177/arraylist-declaration-java) has questioned and answered how to declare an empty `ArrayList` but how do I declare an...

29 Jun at 08:37

Git push: "fatal 'origin' does not appear to be a git repository - fatal Could not read from remote repository."

I know similar questions have already been asked. But, I believe my issue is due to a mistake I have previously made and therefore is different: let me explain. Everything was working smoothly, as I...

27 Aug at 00:3

How to convert Map keys to array?

Lets say I have the following map: ``` let myMap = new Map().set('a', 1).set('b', 2); ``` And I want to obtain `['a', 'b']` based on the above. My current solution seems so long and horrible. ``` let...

31 Aug at 10:14

When to use @QueryParam vs @PathParam

I am not asking the question that is already asked here: [What is the difference between @PathParam and @QueryParam](https://stackoverflow.com/questions/5579744/what-is-the-difference-between-pathpara...

23 May at 12:34

Import data in MySQL from a CSV file using LOAD DATA INFILE

I am importing some data of 20,000 rows from a CSV file into MySQL. Columns in the CSV file are in a different order than MySQL tables' columns. How can I automatically assign columns corresponding to...

11 Apr at 14:33

"You may need an appropriate loader to handle this file type" with Webpack and Babel

I am trying to use Webpack with Babel to compile ES6 assets, but I am getting the following error message: ``` You may need an appropriate loader to handle this file type. | import React from 'react'...

`from ... import` vs `import .`

I'm wondering if there's any difference between the code fragment ``` from urllib import request ``` and the fragment ``` import urllib.request ``` or if they are interchangeable. If they are interc...

Get $_POST from multiple checkboxes

I have 1 form in with multiple checkboxes in it (each with the code): ``` <input type="checkbox" name="check_list" value="<? echo $row['Report ID'] ?>"> ``` Where `$row['Report ID']` is a primary k...

20 Jan at 23:29

C++: How to round a double to an int?

I have a double (call it x), meant to be 55 but in actuality stored as 54.999999999999943157 which I just realised. So when I do ``` double x = 54.999999999999943157; int y = (int) x; ``` y = 54 ...

2 Feb at 13:30

Getting a UnhandledPromiseRejectionWarning when testing using mocha/chai

So, I'm testing a component that relies on an event-emitter. To do so I came up with a solution using Promises with Mocha+Chai: ``` it('should transition with the correct event', (done) => { const c...

How to compare objects by multiple fields

Assume you have some objects which have several fields they can be compared by: ``` public class Person { private String firstName; private String lastName; private String age; /* C...

2 Nov at 12:24

Regular Expression to get a string between parentheses in Javascript

I am trying to write a regular expression which returns a string which is between parentheses. For example: I want to get the string which resides between the strings "(" and ")" ``` I expect five hun...

29 Dec at 01:6

Make the first character Uppercase in CSS

Is there a way to make the first character in a label in CSS. Here is my HTML: ``` <a class="m_title" href="">gorr</a> <a class="m_title" href="">trro</a> <a class="m_title" href="">krro</a> <a cla...

22 Feb at 03:4

Handling of non breaking space: <p>&nbsp;</p> vs. <p> </p>

`&nbsp;` is a non breaking space, which represents an empty space where no line break occurs. If I use ``` <p>&nbsp;</p> ``` I have a space between two passages (bigger break). If I use ``` <p> <...

5 Sep at 11:12

Access Control Origin Header error using Axios

I'm making an API call using Axios in a React Web app. However, I'm getting this error in Chrome: > ``` XMLHttpRequest cannot load https://example.restdb.io/rest/mock-data. No 'Access-Control-Allow-Or...

11 Aug at 05:2

Optimistic vs. Pessimistic locking

I understand the differences between optimistic and pessimistic locking. Now, could someone explain to me when I would use either one in general? And does the answer to this question change depending...

Comparing two strings, ignoring case in C#

Which of the following two is more efficient? (Or maybe is there a third option that's better still?) ``` string val = "AStringValue"; if (val.Equals("astringvalue", StringComparison.InvariantCultur...

31 Jan at 07:15

Convert JavaScript String to be all lowercase

How can I convert a JavaScript string value to be in all lowercase letters? Example: `"Your Name"` to `"your name"`

8 Dec at 21:57

Why docker container exits immediately

I run a container in the background using ``` docker run -d --name hadoop h_Service ``` it exits quickly. But if I run in the foreground, it works fine. I checked logs using ``` docker logs hadoop...

1 Feb at 03:1

How to display scroll bar onto a html table

I am writing a page where I need an html table to maintain a set size. I need the headers at the top of the table to stay there at all times but I also need the body of the table to scroll no matter h...

13 Aug at 07:49

INSERT IF NOT EXISTS ELSE UPDATE?

I've found a few "would be" solutions for the classic "How do I insert a new record or update one if it already exists" but I cannot get any of them to work in SQLite. I have a table defined as follo...

How to generate components in a specific folder with Angular CLI?

I am using Angular 4 with Angular CLI and I am able to create a new component with the following command. ``` E:\HiddenWords>ng generate component plainsight ``` But I need to generate a child compon...

18 Dec at 00:35