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User Help Web Pro

What is ‘Research Online’ as displayed in Chrome Dev Tools Lighthouse?

When I run a Lighthouse performance audit on our site, one of the ‘Opportunities’ it flags is to ‘Reduce the impact of third-party code’. It lists all the third-party code used by our site, however at the top is an entry for ‘Research Online’, with a size of 689 KB and a Main thread blocking […]

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Health

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Ask Chemistry

Naming a synthetic molecule from QM9 dataset

I was trying to write a name for a synthetic molecule in QM9 dataset. The molecule is: is 3-amino oxalane-2-carbonitrile a correct name for this?

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Cryptocurrency Ethereum Mastering Development

ethEstimateGas.getAmountUsed throws MessageDecodingException

I picked up a transaction in the pending transaction pool and wanted to get its estimated gas by using ethEstimateGas, my code is shown below (the values of hash, from, nonce, .gasPrice, gas, to, value, data were extracted from the picked-up transaction) Web3j web3j = Web3j.build(new HttpService()); // hash: 0xf27ed319f214118180f6122bea37e22899a95c18010c416560e88eeb6fd26d72 from = “0x01da3542aec2fd8ef345c33f672c89bf1c38abe1”; nonce = […]

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Cryptocurrency Ethereum Mastering Development

geth full node taking forever to sync

For three days I’ve been trying to sync a full node. Syncing the last two days has taken about six hours a day. At this rate I won’t be able to sync it. It’s behind “age=3y8mo5d”. This is the command I used: geth –datadir /media/internal-2tb/eth –syncmode full Why is it taking so long? Is there […]

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Linux Mastering Development

Why is page size select list not working in MatPaginator?

I am creating a MatTable with a MatPaginator. But when I try to select another page size, by clicking the page size select list, the list appears in the upper left corner of the screen. I do not understand why. Maybe I have forgotten to import some module that it depends on to work properly. […]

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Linux Mastering Development

Separate every 8th File in Linux

I have list of 544 files as below: plt_metgrid_try.000001.png to plt_metgrid_try.000544.png I need to separate every 8th file out of this long list of 544 files. Eg. list 1:: plt_metgrid_try.000001.png, plt_metgrid_try.000009.png, plt_metgrid_try.000017.png list 2:: plt_metgrid_try.000002.png, plt_metgrid_try.000010.png, plt_metgrid_try.000018.png . . . . . . list 8:: plt_metgrid_try.000008.png, plt_metgrid_try.000016.png, plt_metgrid_try.000024.png Likewise, I need to create 8 lists […]

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Mastering Development

Azure datafactory “Set_Variabe” array and “FOR_EACH” exe_pipelines activities

as you can see in the following images, the matrix reaches the activity (Exe_pipeline) completely, but it does not allow separating the values ​​for the different parameters. try a (Split), but it doesn’t work. *img1 activity (for_each) receives array string correctly *Img_2 evidences that it sends the array correctly, but indicating the value to each […]

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Mastering Development

How to use a Gitlab Merge Request to finish a release/hotfix branch using Gitflow?

So our company is using Gitflow. Can’t currently change that. I have looked into github-flow and gitlab-flow, but we can’t currently move to a different model. When finishing a hotfix or release branch, right now we don’t use merge requests, but manually use gitflow to locally merge the branches into master/dev/release. Is there a supposed […]

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Mastering Development

Android-studio: Unable to locate adb

I read the answers "unable to locate adb" using Android Studio and Error:Unable to locate adb within SDK in Android Studio and it didn’t solve my problem. I use the 4.0 android-studio and Ubuntu 18.04 When I click on “launch this AVD in the emulator”, I get an error message “Unable to locate adb”. I […]