NodeJS error "Can't set headers after they are sent"?

Answers in Computer Programming | By Some Guy

Published 7 months agoSun, 16 Dec 2018 09:33:01 -0800

Last Reply <p>Hi Everyone,<br /> &nbsp;</p> <p>What is meant by <a href="https://softwaretestingboard.com/q2a/3379/">softwa... Ellen Dares,

<p>Hi Everyone,<...

What are some good PHP interview questions to ask potential developers?

Answers in Computer Programming | By Mark3t_Crash

Published 3 months agoTue, 19 Mar 2019 01:55:28 -0700

Last Reply Hey Check this - PHP Interview Questions You will get the latest PHP interview question with answers. Hope this may help you. Adisharma,

Hey Check this - PHP Inte...

How do you fix "unexpected end of JSON input"?

Answers in Computer Programming | By Some Guy

Published 7 months agoSun, 16 Dec 2018 09:27:20 -0800

Last Reply Unexpected end of input means that the parser has ended prematurely. For example, it might be expecting "abcd...wxyz" but only sees "abcd...wxy. Th... Univa,

Unexpected end of input m...

How to remove duplicates from sorted array?

Answers in Computer Programming | By Some Guy

Published 7 months agoSun, 16 Dec 2018 09:30:26 -0800

Last Reply You can use Set. var arr = [1, 2, 3, 4, 5, 6, 7, 7, 8, 9, 10, 10, 10, 11, 12, 13, 13, 13, 14, 15, 15, 16, 17, 18] arr = [...new Set(...[arr])]... Ali,

You can use Set.

Does GROUP BY remove duplicates?

Answers in Database Development | By Some Guy

Published 6 months agoSun, 13 Jan 2019 04:21:55 -0800

Last Reply GROUP BY allows the only aggregation. If you want to remove all duplicated rows, use SELECT DISTINCT. But DISTINCT command also so slow for lar... Ali,

GROUP BY allows the only...

How do I apply Chi-Square test in R?

Answers in Computer Programming | By Some Guy

Published 7 months agoSun, 16 Dec 2018 09:39:49 -0800

Last Reply Two random variables x and y are called independent if the probability distribution of one variable is not affected by t... Univa,

Two random variables&nbsp...

Fix "Response to preflight request doesn't pass access control check"?

Answers in Computer Programming | By Some Guy

Published 7 months agoSun, 16 Dec 2018 09:40:03 -0800

Last Reply The reason for the above is referred to as CORS (Cross-Origin Resource Sharing) The easy way is to just add the extension in google chrome... Univa,

The reason for the above...

Fix "Editor does not contain a main type"?

Answers in Software Development | By Some Guy

Published 7 months agoSun, 16 Dec 2018 09:29:56 -0800

Last Reply Maybe the folder is not identified as a Source folder. Right click on the project folder -> Properties Choose 'Java Build Path' Click on... Univa,

Maybe the folder is not i...

"Adjacent JSX elements must be wrapped in an enclosing tag"?

Answers in Computer Programming | By Some Guy

Published 7 months agoSun, 16 Dec 2018 09:32:31 -0800

Last Reply This is a simple solution as you only need to add an enclosing parent element to all components inside the render function. Check out the code below f... Univa,

This is a simple solution...

What do I do "Assignment makes integer from pointer without a cast'?

Answers in Computer Programming | By Some Guy

Published 7 months agoSun, 16 Dec 2018 09:29:02 -0800

Last Reply If you want to set a pointer to the beginning of an array, use Code: p = password An array name is essentially a pointer to the start of the ar... Univa,

If you want to set a poin...

Why do I get "non-static variable this cannot be referenced from a static context"?

Answers in Software Development | By Some Guy

Published 7 months agoSun, 16 Dec 2018 09:27:29 -0800

Last Reply A non-static variable only exists when there is an instance of an object. If you have a static method, it can NOT get to any variable in a class objec... Univa,

A non-static variable onl...

[Magneto] How to fix "Exception printing is disabled by default for security reasons"?

Answers in Computer Programming | By Some Guy

Published 6 months agoSun, 13 Jan 2019 04:20:55 -0800

Last Reply 1. Navigate to the "errors" folder. 2. Change local.xml.sample to local.xml 3. You should now see a new list of stupid errors all over the Magento p... Univa,

1. Navigate to the "error...

How to fix "java platform se binary has stopped working"?

Answers in Computer Programming | By Some Guy

Published 7 months agoSun, 16 Dec 2018 09:29:10 -0800

Last Reply Try reinstalling the Java SE Related applications; Open the Run box and type “appwiz.cpl” it will open Programs and Features window. Here... Univa,

Try reinstalling the Java...

What is "pthread_mutex_init"?

Answers in Computer Programming | By Some Guy

Published 7 months agoSun, 16 Dec 2018 09:44:00 -0800

Last Reply This is a function used to initialize the mutex that you reference by the "mutex" part. It also takes in additional attributes using the attr part. Yo... roxblade,

This is a function used t...

How do you fix "Comparison between pointer and integer"?

Answers in Computer Programming | By Some Guy

Published 7 months agoSun, 16 Dec 2018 09:44:10 -0800 | Last update 6 months agoWed, 19 Dec 2018 05:09:55 -0800

Last Reply This is a warning that you will get when you try to compare acharacter with a string. Note that C is different from other programming languages in man... roxblade,

This is a warning that yo...

How to fix err_unknown_url_scheme?

Answers in Computer Programming | By Ethan "Cheap Whore" Lastname

Published 3 months agoWed, 20 Mar 2019 00:00:49 -0700

Last Reply The seems to be a very common issues with browsers; more specifically I believe it has to do with Chrome. Check out this link for possible solutions t... Graln_of_Truth,

The seems to be a very co...

How long does it take to learn Python? When could I start working on my own stuff?

Answers in Computer Programming | By Some Guy

Published 5 months agoWed, 06 Feb 2019 15:19:36 -0800

Last Reply It will usually taking 3 months before you get to the point where you can do everything on your own without having to get support from others. Also Se... Graln_of_Truth,

It will usually taking 3...

Fixes for "your PHP installation appears to be missing the MySQL extension, which is required by WordPress?"

Answers in Computer Programming | By Some Guy

Published 5 months agoWed, 06 Feb 2019 13:52:18 -0800

Last Reply Since your PHP installation is acting up, you should check out Stack Overflow's website that is right here for a solution https://stackoverflow.com/qu... Zhaybib,

Since your PHP installati...

[Python] How do global variables work?

Answers in Computer Programming | By K. Crezcheezy

Published 3 months agoTue, 19 Mar 2019 22:44:13 -0700

Last Reply Basically a global variable is defined and declared outside a function and needed to be used inside of a function. For a good example on how this work... KacssPL,

Basically a global variab...

In JavaScript, what is the QuerySelector method?

Answers in Computer Programming | By pls_stop_this

Published 3 months agoTue, 19 Mar 2019 08:29:43 -0700

Last Reply There are multiple articles online giving information about Java Script and its functions. Checkout the provided link for some general information. Al... Graln_of_Truth,

There are multiple articl...

How to fix "Filenotfounderror: [winerror 2] the system cannot find the file specified"?

Answers in Computer Programming | By pls_stop_this

Published 3 months agoTue, 19 Mar 2019 21:38:16 -0700

Last Reply Since you are having some computer programming errors I suggest you take a look right here at this site, https://stackoverflow.com/questions/42572582/... Zhaybib,

Since you are having some...

How would you solve the traveling salesman problem in a programming language, such as Visual Basic or HTML?

Answers in Computer Programming | By pls_stop_this

Published 3 months agoTue, 19 Mar 2019 06:08:30 -0700

Last Reply If you have the TSP version of this then the link I listed below will show you how to fix it, but if you have one of the others then there isn't curre... w3nsi012,

If you have the TSP versi...

How do you use JOptionPane?

Answers in Computer Programming | By Some Guy

Published 5 months agoWed, 06 Feb 2019 13:46:38 -0800

Last Reply Since you have a question relating to Java programming in regards to JOptionPane, take a look right here at Oracle's help center https://docs.oracle.c... Zhaybib,

Since you have a question...

Python floor division: Difference between '/' and '//' ?

Answers in Computer Programming | By Some Guy

Published 5 months agoWed, 06 Feb 2019 13:49:08 -0800

Last Reply For python floor division questions, I recommend that you check out Stack Overflow, as there are many answers such as this one, https://stackoverflow.... Zhaybib,

For python floor division...

Is LibreOffice base a relational database?

Answers in Computer Programming | By Some Guy

Published 5 months agoWed, 06 Feb 2019 13:49:28 -0800

Last Reply Yes, LibreOffice is an open source relational database. Not ones grandma's North Wind Db from MS Office. It can be used for your professional work, re... masshoIe3,

Yes, LibreOffice is an op...