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Mastering Development System & Network

VMWare Shared Folder Not Working – Host Windows 10 – Guest Ubuntu 19.0 – VM Ware player version 15.5.2

I am trying to share folder from my host os (Windows 10 64 bit) to Guest OS ( Ubuntu 19.0 ) using Shared Folder Options present in the Virtual Machine Setting option (VM Ware player version 15.5.2 build-15785246), even after sharing option is enabled and restarting the VM Player and Guest OS, changes are not […]

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Ask Mathematics

Probability of choosing any real number in the range [0,1]?

Basically I want to give a counter argument (if possible) to the statement: “It is unlikely to randomly pick any real number (- ∞ , ∞ ) in the interval [0,1]” The statement implies that there is a small probability. So if you could either prove that the probability is 0, or if you can […]

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Development

Laravel – Trying to migrate a new table I have created but VS is trying to migrate a table that has already been migrated?

I have created a table ‘create_courses_table’ but when I try to migrate this new table, I’m getting the error below from a previous table i have already migrated: Migrating: 2020_03_04_141200_create_role_user_pivot_table Illuminate\Database\QueryException SQLSTATE[42S01]: Base table or view already exists: 1050 Table ‘role_user’ already exists (SQL: create table `role_user` (`user_id` int unsigned not null, `role_id` int unsigned […]

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Development

Third Party AAR for Java on React Native

I’m trying to include a couple of ‘.AAR’ files in my react-native project, I’m not sure how to go about it since I don’t have much experience in Java and Android Development. Below are the few steps that I have done and have run into an error. RN Version: 0.61 this is my android/app/build.gradle: dependencies{ […]

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Development

Sorting Data from External JS File Numerically by Price

I am creating a ecommerce website and the data is being pulled from what will be an external JS file containing an array of all of the products. I currently have a “sort” button and want to sort the books by their price which is a numerical value. Depending on the category that is selected, […]

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Development Linux Ubuntu

Ubuntu will often crash, but only during the first few minutes after booting

Ubuntu will often crash within the first few minutes after booting. If it survives the first few minutes – I’ve never seen it crash. The crash: The screen will freeze for ~5 seconds Then the monitor, keyboard, and mouse lights will all go off as if the computer was turned off – at the same […]

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Development SQL

Skip specific rows using LAG in sql

I have a table that looks like this: Using the LAG function in SQL, I would like to perform the LAG on only values where star_date=end_date and get the past previous start_date record where start_date=end_date. That my end table will have an extra column like this: I hope my question is clear, any help is […]

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Development Linux Ubuntu

Settings not working (Pop!_OS)

I am currently running pop!_os on the latest version and I am not able to open up my settings page at all, and am also experiencing UI crashes, but my mouse remains responsive. When not frozen, in the console I tried: gnome-control-center -v it doesn’t work and outputs: (gnome-control-center:5149): GLib-GIO-ERROR **: 00:51:33.858: Settings schema ‘org.gnome.gedit.preferences.editor’ […]

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Development Linux Ubuntu

Persistent Lubuntu USB doesn’t boot

I’ve installed a persistent installation of Lubuntu 19.04 on my USB a while back, which was running with no problems until the booting process started giving errors. error image If it helps, only the lines after and including [ OK ] started appearing when it stopped booting. The lines before that have always appeared but […]

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Development

“Out of memory” simply opening the VBA editor

I am very new to VBA and after 3 months of editing pre-existing code and writing my own I started getting the error “Out of memory” when I simply try to open the editor, or if the editor does open and I try to copy code (even just a single character). The error is very […]