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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

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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,<...

Tue, 09 Jul 2019 03:55:40 -0700 1 week ago
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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...

Sat, 01 Jun 2019 09:14:49 -0700 1 month ago
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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

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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...

Sat, 01 Jun 2019 08:36:54 -0700 1 month ago
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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

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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.

Tue, 28 May 2019 23:48:26 -0700 1 month ago
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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...

Sun, 26 May 2019 10:46:17 -0700 1 month ago
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Profile Photo - Some Guy
Profile Photo - Univa

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...

Thu, 16 May 2019 08:18:38 -0700 2 months ago
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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

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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()...

Wed, 08 May 2019 08:38:04 -0700 2 months ago
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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

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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...

Mon, 06 May 2019 10:37:14 -0700 2 months ago
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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

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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...

Sun, 05 May 2019 03:27:34 -0700 2 months ago
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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,

Sun, 05 May 2019 03:19:56 -0700 2 months ago
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"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

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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...

Sun, 28 Apr 2019 05:23:59 -0700 2 months ago
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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...

Fri, 26 Apr 2019 08:18:20 -0700 2 months ago
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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

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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...

Thu, 18 Apr 2019 07:57:10 -0700 2 months ago
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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...

Sun, 14 Apr 2019 03:38:46 -0700 3 months ago
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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...

Sun, 14 Apr 2019 03:06:36 -0700 3 months ago
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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

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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...

Fri, 12 Apr 2019 11:34:06 -0700 3 months ago
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Profile Photo - Univa

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...

Fri, 12 Apr 2019 11:27:25 -0700 3 months ago
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[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

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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...

Sun, 07 Apr 2019 12:14:43 -0700 3 months ago
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Profile Photo - Some Guy

What is "pthread_mutex_init"?

Answers in Computer Programming | By Some Guy

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

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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...

Thu, 04 Apr 2019 04:18:56 -0700 3 months ago
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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

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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...

Wed, 03 Apr 2019 12:45:37 -0700 3 months ago
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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...

Sat, 30 Mar 2019 16:09:52 -0700 3 months ago
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[Python] How do global variables work?

Answers in Computer Programming | By K. Crezcheezy

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

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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...

Sat, 30 Mar 2019 15:57:01 -0700 3 months ago
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A good Gauss-Jordan calculator?

Answers in Scripting and Automation | By Some Guy

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

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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...

Sat, 30 Mar 2019 15:52:58 -0700 3 months ago
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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

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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...

Sat, 30 Mar 2019 15:05:05 -0700 3 months ago
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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

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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...

Sat, 30 Mar 2019 14:48:00 -0700 3 months ago
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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

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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...

Sat, 30 Mar 2019 14:47:21 -0700 3 months ago
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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...

Sat, 30 Mar 2019 14:40:24 -0700 3 months ago
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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

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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...

Sat, 30 Mar 2019 14:39:51 -0700 3 months ago
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How to reverse a linked list in C++?

Answers in Computer Programming | By Some Guy

Published 5 months agoWed, 06 Feb 2019 16:17:22 -0800

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Last Reply You can reverse a linked list in two methods (iterative and recursion) by re-connecting the directions. So basically it can be reversed with recursion... reuval,

You can reverse a linked...

Sat, 30 Mar 2019 14:30:41 -0700 3 months ago
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How hard is computer engineering? Thinking what I should study...

Answers in Offtopic | By Some Guy

Published 5 months agoWed, 06 Feb 2019 15:21:16 -0800

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Last Reply I started in computer engineering a long. I changed after I was pragmatic about how much I wanted to study and where I had weaknesses. If you are real... -alxl_,

I started in computer eng...

Sat, 30 Mar 2019 14:29:14 -0700 3 months ago
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