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Ask English Speaking

When to use past participles? I can’t find a clear rule

everyone. My understanding of past participles–and it’s based on my own observations, not on my reading this rule–is that you use “had [verb]” when speaking about something that, in the past, happened in the past. Like, in the past TWICE. Example, if today is Wednesday, and yesterday (Tuesday) I turned on the TV at 9 […]

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Apple Ask

Automatic power on when AC is switched on in macbook pro 16

I’m using macbook pro with external keyboard and monitor. My previous macbook pro ( late 2016 ) was automatically power on when i power on filter with attached ac. But new macbook pro do nothing. Only after opening and close the lid. Is there any way to automatically turn on the macbookpro16 when power is […]

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Development

How to process/run a list items parallel in spark?

I am using spark-sql-2.4.1 version with java8 in my PoC. I have following student data there standard/class wise as below public static class Student implements Serializable { private String className; private String studentName; private Integer paperOneMarks; private Integer paperTwoMarks; private Integer paperThreeMarks; private Integer paperFourMarks; public Student(String className, String studentName, Integer paperOneMarks, Integer paperTwoMarks, Integer […]

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Development Linux Ubuntu

Moving from one Modal area to another in Gnome Dialogs

My question is about modal menus in gnome. I have launched the “devices” menu and scrolled down using arrow keys to “Mouse and Touchpad”, then pressed Tab and I can see very faint highlighting around selected app topic, for example “Mouse Speed”. However, I can see no way to adjust the Mouse Speed with keyboard […]

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Development System & Network

Booting a SuperMicro from virtual iSCSI CD-ROM

I correctly set up the iSCSI server with SCST, I can login to the target via iscsiadm and mount the iSCSI resource, a CDROM based on ISO image exposed as LUN 0. When I try to boot a SuperMicro X10DRi-LN4+ the motherboard asks the iSCSI server for the capabilities of LUN 0, it gets the […]

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Development Linux Ubuntu

A tricky question about CIFS share access

my first post anyway:) My question is about file share access between linux -> Windows. So typically we need to setup a share on Windows with ‘Everyone’ permission to be at least Read Only. And I can mount cifs share with specified user/password (windows user) from my linux machine and access the share with whatever […]

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Development Linux

WLAN softblocked on boot

Goal My goal is to setup the server so that on every boot I automatically connect to WLAN and can access it remotely. Problem However, whenever I boot up my NAS Server I get a softblock on WLAN. I need to manually run sudo rfkill unblock wlan every time. This is quite annoying since I […]

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Development Linux Ubuntu

PC hang-up 30min after boot

Let me start with my specs: OS: Ubuntu 18.04.3 LTS 64-bit GNOME: 3.28.2 PC: cpu: Intel® Xeon(R) CPU E5-2698 v3 @ 2.30GHz × 32 memory: 64GB gpu: NVS 310/PCIe/SSE2 (display) + 2x Nvidia GTX 1070 (for CUDA) OS on a 256GB SSD Data on another 1TB SSD Issue: When I boot my PC, it hangs-up […]

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Development

Primary Key Constraint, migration of table from local db to snowflake, recommended data types for json column?

What order can I copy data into two different tables to comply with the table constraints I created locally? I created an example from the documentation, but was hoping to get recommendations on how to optimize the data stored by selecting the right types. I created two tables, one was the list of names and […]

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Development Linux Ubuntu

Impossible to update 16.04 64bit and wrong manipulation make it worse

First time I need to go to this forum, Tox or qtox gives me problem to update 16.04 64bit and wrong manipulation make it worse. Telegram does not work now, right click crash firefox. No sound at all even from the build-in device. Even the custom shortkeys are buggy! Command with update give that: Thank […]