can Archives - Simon Technology Blog

ReactJS – The valid React element (or NULL) must be returned. You may have returned undefined, array, or other invalid objects

I am new to ReactJS and I have a problem. I can’t solve it. Everything seems to be fine, but the console still lets me:

A valid React element (or null) must be returned. You may have
returne

October 21, 2021By Simo React Arrays, can, Elements, invalid, must, null, object, Other, React, Reactjs, return, Some, undefined, valid, You canLeave a Comment

Flex – Can you stop ColdFusion request?

I have a Flex application that calls a function to search a large document set. Based on the search term, the user may wish to stop the flex request.

I not only want to stop the Flex applicat

October 20, 2021By Simo Flex can, cold impusion, Flex, Request, Stop, whetherLeave a Comment

CSS3 User-SELECT Attribute Set whether the text content can be selected

CSS3 provides a user-select attribute to set or retrieve whether the user is allowed to select text.

Syntax

user-select:none | text | all | element.

Default value:text.

Appl

October 19, 2021By Simo CSS attribute, can, Content, CSS, CSS3, select, setting, Text, userLeave a Comment

Operating system – Can Peterson’s solution running properly on modern CPU architecture?

I am studying the Operating System Concepts of Silberschatz, Galvin and Gagne.

On page 229, the book explains this about Petersons Solution:< /p>

Because of the way modern computer arch

October 17, 2021By Simo Os Theory architecture, can, CPU, modern, Normal, Operating System, operation, peter, program, Sen, solutionLeave a Comment

Can API hooks in the API do not do it?

In the world of penetration testing with Python, it looks like
one must usually hook into operating system-specific APIs. This makes sense
right In my case, because we are dealing with different ar

October 17, 2021By Simo Os Theory API, can, Hook, independent, Medium, Operating SystemLeave a Comment

HOMEBREW – How can I get more information about the BREW formula before installation?

I know I can do something

## brew info FORMULA_NAME
brew info wgetpaste Output

wgetpaste: stable 2.20
http://wgetpaste.zlin.dk/
Not installed
https:/ /github.com/mxcl/homebrew/commits/m

October 16, 2021By Simo Macos About, Before, Brew, can, Formula, Get, Homebrew, Information, installLeave a Comment

UTF-8 – ELF symbol can be expressed in UTF8?

Is it possible that the symbols in the ELF table use UTF8 characters or are they limited to ASCII?

Note: This is not the problem I am trying to solve, but more problems I want to know.

October 15, 2021By Simo Character can, Elf, symbol, UTF, UTF8Leave a Comment

SWIFT – iOS – UICOLLECTIONVIEW – When you insert multiple projects, how can you pick one of them, but not at the same time?

If you have a collection view and you change items by inserting several, the default layout will fade them out at the same time. Is it possible to fade them one by one?

I’m thinking about sub

October 10, 2021By Simo Swift can, desalination, How, inserted, IOS, land, multiple, not, once, one, project, SWIFT, they, time, uicolectionView, while fadeLeave a Comment

Can iOS applications control the phone?

My mother’s deaf. I usually use the TTY service to talk to her. She has a TTY phone at home. I have checked the iOS TTY and all it says is just connecting the cable to the iPhone to Use physical TT

October 9, 2021By Simo IOS application, can, control, IOS, PhoneLeave a Comment

Can you create a Mac .App release from the command line instead of Xcode?

Is it possible to switch from .xcarchive package to .app package without using Xcode Organizer? I want to create an automatic build and get the final .app file that I can distribute. Using xcodebui

October 9, 2021By Simo IOS app, can, Command Line, creating, Distribution, Mac, not, version, XcodeLeave a Comment