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211 views

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c# - How can blocking async calls cause a deadlock if async calls aren't necessarily executed on a different thread?

I recently read Stephen Cleary's post regarding possible deadlocks that occur when we call async code in synchronous ... -calls-cause-a-deadlock-if-async-calls-arent-necessarily...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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531 views

1 answer

Office 365 CLI deploy SPFx to SharePoint online AppCatalog will add a new version to version history of the package file

I want to deploy SPFx package to SharePoint Online using Office 365 CLI as below. o365 spo app add -p "SPFx. ... -deploy-spfx-to-sharepoint-online-appcatalog-will-add-a-new-versio...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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181 views

1 answer

python 3.x - pyspark dataframes: Why can I select some nested fields but not others?

I'm trying to write some code to un-nest JSON into Dataframes using pyspark (3.0.1) in Python 3.9.1. ... /pyspark-dataframes-why-can-i-select-some-nested-fields-but-not-others...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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570 views

1 answer

dll - Visual Studio C++ reference deleted function compile error

If I try to compile this (Visual Studio 2015): #define EXPORT_API __declspec(dllexport) //#include "readerwriterqueue.h" ... &std::_Tree<std::_Tmap_traits<_Kty,_Ty,_Pr,_Alloc,f...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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144 views

1 answer

javascript - Webpack error: CSS has not the correct Mimetype

I've tried everything possible and I'm struggling with webpack. I need a configuration, that generates html ... questions/66056227/webpack-error-css-has-not-the-correct-mimetype...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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278 views

1 answer

reactjs - Cannot figure out how to click and drag to change colors in a react app

Here is what the list of books looks like its contained in a div like so <div> <listOfBooks/> </div> THE PROBLEM: I ... -out-how-to-click-and-drag-to-change-colors-in-a-react-app...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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437 views

1 answer

powerbi - Power BI Matrix

Wanted to see how it would be possible to add in another column to a matrix in Power BI? Measure has ... question from:https://stackoverflow.com/questions/66055840/power-bi-matrix...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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404 views

1 answer

jquery - DataTables Filter DropDown Not Showing

I am trying to implement colum filtering via dropdown, I already tried different methods but non ... stackoverflow.com/questions/66056917/datatables-filter-dropdown-not-showing...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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121 views

1 answer

Add Hex characters in a file with python

I would like to add a list of specific Hex characters at the first line of my file. bin = " ... com/questions/66056853/add-hex-characters-in-a-file-with-python...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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250 views

1 answer

javascript - VideoJS not playing pre-signed URL in mp4 format

I'm using videojs in a vue application to play a pre-signed URL for a mp4 video file on S3. I'm using ... .com/questions/66056670/videojs-not-playing-pre-signed-url-in-mp4-format...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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343 views

1 answer

javascript - How to overcome maximum call stack size exceeded in typescript, nodejs & angular

I've been working at debugging this for days now! I'm trying to pull the database values from Firebase ... -overcome-maximum-call-stack-size-exceeded-in-typescript-nodejs-angular...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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108 views

1 answer

c# asp.net check if column in database contains string

In my database, the column is stored as 'Here is jurong', I want to read out the database row if the column ... 66056623/c-sharp-asp-net-check-if-column-in-database-contains-string...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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360 views

1 answer

unit testing - Karma coverage report on minified file?

I'm trying to run the unit tests from the zeppelin-web project using their karma.conf.js, webpack. ... /stackoverflow.com/questions/66056621/karma-coverage-report-on-minified-file...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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82 views

1 answer

javascript - Call every element one by one

I have 3 paragraphs here. The problem is that they are displaying at the same time. What I wanted is they ... ://stackoverflow.com/questions/66056620/call-every-element-one-by-one...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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115 views

1 answer

javascript - Is there a better way to extend the height of a div to include all of its child elements?

I have a web-page that displays multiple areas who's heights aren't know until their contents that comes from a database ... extend-the-height-of-a-div-to-include-all-of-its-child...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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349 views

1 answer

CMake link to external library

How to get CMake to link an executable to an external shared library that is not build within the same ... -undefined-symbols-for-architecture-x86-64-after-running-cmake-comma...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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326 views

1 answer

image - Change Docker machine location - Windows 10 Home

I installed the Docker to run the Open Drone Map (ODM), according to the ODM instructions available at ... .com/questions/66056306/change-docker-machine-location-windows-10-home...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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571 views

1 answer

.net - Is there a way to use confluent Kafka Dotnet JSON serializer WITHOUT schema registry,

Looking at https://github.com/confluentinc/confluent-kafka-dotnet/blob/master/examples/JsonSerialization/Program.cs ... -confluent-kafka-dotnet-json-serializer-without-schema-regi...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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93 views

1 answer

python - execute ping command with GUI

While writing a GUI application in PyQt5 I encounter weird(for me) behavior. When I wanted to ... /stackoverflow.com/questions/66057399/pyqt5-application-getting-not-responding...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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314 views

1 answer

dial up - With modern tech would it be possible to transfer data faster than 56kbit/s over a call?

I know that back when dial-up internet was a thing the max theoretical speed of a connection was 56kbit/s, but I ... would-it-be-possible-to-transfer-data-faster-than-56kbit-s-over...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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198 views

1 answer

visual studio code - ImportErrors and ModuleNotFoundError for python

It seems like my system cannot access modules from other folders. For example, if i set my ... /stackoverflow.com/questions/66057257/importerrors-and-modulenotfounderror-for-python...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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117 views

1 answer

sql - finding missing data between two tables mysql workench

I have some difficulties to answer the following questions 1 Write an SQL statement to show the SKU and ... /66057207/finding-missing-data-between-two-tables-mysql-workench...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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98 views

1 answer

java - signature.verify is returns false

I am learning signatures in Java, I got the code from java documentation but it does not seem to work. ... ://stackoverflow.com/questions/66057155/signature-verify-is-returns-false...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

1 answer

flask - CNN Model Deployment On Heroku 500 internal error while uploading image and sending for prediciton

I have deployed a CNN model using flask and Heroku. In a part of the code model requires an image which ... -deployment-on-heroku-500-internal-error-while-uploading-image-and-send...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

177 views

1 answer

Binding Data Table using ajax jquery

I am binding a Data table using ajax and jquery. But i am getting an error like "DataTables warning: ... /stackoverflow.com/questions/66058326/binding-data-table-using-ajax-jquery...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

1 answer

embedded linux - No RTAI patch for your kernel version in buildroot?

I was trying to use the default config provided by Buildroot olimex_a64_olinuxino_defconfig and got the error: No RTAI ... /no-rtai-patch-for-your-kernel-version-in-buildroot...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

394 views

1 answer

android - AdMob RewardedAd causes Memory leaks (v19.7.0)

After Analysing with Android profiler I found that My Activity doesn't get garbage collected and is still running ... /66057504/admob-rewardedad-causes-memory-leaks-v19-7-0...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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202 views

1 answer

design patterns - Redis and MySQL Pagination Strategy

I'm trying to return a list of recent items and have simple pagination. What I'm first doing is ... ://stackoverflow.com/questions/66057461/redis-and-mysql-pagination-strategy...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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