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,<...

[Python] Fixing "TypeError: only integer scalar arrays can be converted to a scalar index?"

Answers in Scripting and Automation | By Some Guy

Published 6 months agoSun, 13 Jan 2019 05:54:12 -0800

Last Reply A simple case that generates this error message: In [8]: [1,2,3,4,5][np.array([1])] --------------------------------------------------------------... Univa,

A simple case that genera...

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.

[JavaScript] Fix for "Uncaught SyntaxError: unexpected token export/import/illegal?"

Answers in Scripting and Automation | By Some Guy

Published 6 months agoSun, 13 Jan 2019 06:00:03 -0800

Last Reply In case you get this error it might also be related to how you included the javascript file into your html page. When loading modules you have to expl... Univa,

In case you get this erro...

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...

How do I solve "Cannot use object of type stdclass as array"?

Answers in Server-Side | By Some Guy

Published 7 months agoSun, 16 Dec 2018 09:40:02 -0800

Last Reply When we use json_decode();, we get an object of type stdClass as return type.  1. Cast the object to array. This can be achieved as follows.... Univa,

When we use json_decode()...

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...

How to fix "Every derived table must have its own alias"?

Answers in Databases | By Some Guy

Published 7 months agoSun, 16 Dec 2018 09:40:15 -0800

Last Reply Imagine a table called purchases that records purchases made by customers at stores, i.e., it's a many to many, and the software needs to know which c... Univa,

Imagine a table called pu...

Solve "ImportError: DLL load failed: the specified module could not be found"?

Answers in Scripting and Automation | By Some Guy

Published 7 months agoSun, 16 Dec 2018 09:27:46 -0800

Last Reply Run print(os.environ['PATH']) in the system terminal using the same interpreter Copy the result and add as a PATH environment variable to your Ru... Univa,

"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...

[Python] Fix for "TypeError: this constructor takes no arguments?"

Answers in Scripting and Automation | By Some Guy

Published 6 months agoSun, 13 Jan 2019 05:56:52 -0800

Last Reply Typeerror This Constructor Takes No Arguments Python Error error codes are caused, in one way or another, by misconfigured system files in your Window... Univa,

Typeerror This Constructo...

How to fix "Operand should contain 1 column(s)"?

Answers in Databases | By Some Guy

Published 7 months agoSun, 16 Dec 2018 09:41:02 -0800

Last Reply This error can occur if you accidentally use commas instead of AND in the ON clause of a JOIN. FOR EXAMPLE: JOIN joined_table ON (joined_table.c... Univa,

This error can occur if y...

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...

[Python] Help with "ValueError: too many values to unpack (expected 2)?"

Answers in Scripting and Automation | By Some Guy

Published 6 months agoSun, 13 Jan 2019 06:10:34 -0800

Last Reply Before posting any codes try using the formatting tools, sometimes it solves the problem.  You can also try pasting this code:  a_str,... Univa,

Before posting any codes...

What do I do "Access denied for user 'root'@'localhost'"? Help needed

Answers in Databases | By Some Guy

Published 7 months agoSun, 16 Dec 2018 09:43:10 -0800

Last Reply Try out the following steps to overcome this issue: Find mysql related entries from system sudo find / -name mysql Remove all mysql related en... Univa,

Try out the following ste...

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...

[Python] Fix for "TypeError: 'bool' object is not iterable?"

Answers in Scripting and Automation | By Some Guy

Published 6 months agoSun, 13 Jan 2019 05:39:20 -0800

Last Reply You probably have your code set up where some value can either be: An array (or whatever) or FALSE (for when there are no values) Th... August R. Garcia,

You probably have your&nb...

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 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...

[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...

A good Gauss-Jordan calculator?

Answers in Scripting and Automation | By Some Guy

Published 5 months agoWed, 06 Feb 2019 13:47:58 -0800

Last Reply Not sure if you want to carry an actual calculator around with you on the job but if you're interested in the Gauss-Jordan calculator app from Amazon... Vrawler119,

Not sure if you want to c...

What are some good Python interview questions?

Answers in Local and Offline Businesses | By chkdf8

Published 3 months agoTue, 19 Mar 2019 11:15:11 -0700

Last Reply 1.What is the difference between list and tuples? 2.What are the key features of Python? 3.What is the difference between deep and shallow copy? 4.How... __wesistdas,

1.What is the difference...

How to clear the screen in Python?

Answers in Computer Programming | By Some Guy

Published 5 months agoWed, 06 Feb 2019 16:18:12 -0800

Last Reply I do not know how to do this. I have not had much experience with python and coding. SiteIessVagrant,

I do not know how to do t...

How to print a table in Java?

Answers in Computer Programming | By Some Guy

Published 5 months agoWed, 06 Feb 2019 16:18:02 -0800

Last Reply Look into the format settings and you'll see where it will allow you to add a table, or copy one from a Java file into your own file that you're needi... mrabrahamthidkin,

Look into the format sett...

How can I make money building computers? I've found it's something I really love

Answers in Technology | By Some Guy

Published 5 months agoWed, 06 Feb 2019 15:43:48 -0800

Last Reply PC technicians can make up to $40k per year working for a company building computers. If you plan on doing it yourself on the side off of Craigslist a... Graln_of_Truth,

PC technicians can make u...

What are some good Core Java interview questions?

Answers in Local and Offline Businesses | By pls_stop_this

Published 3 months agoWed, 20 Mar 2019 00:21:39 -0700

Last Reply Java interviews can be rather stressful. Thankfully Java Point's website offers many interview questions to get you very prepared right here, https://... Zhaybib,

Java interviews can be ra...