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Trim a video and add the boomerang effect on it with FFmpeg

I have a given source video which is 30 seconds long in total. Now I want to trimm the first 5 seconds and apply ... /trim-a-video-and-add-the-boomerang-effect-on-it-with-ffmpeg...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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442 views

1 answer

Access values of nested structure defined in c++ from python code using ctypes

C++ dll returning a pointer to structure as mentioned below but I am not able to access values of struct B and ... -of-nested-structure-defined-in-c-from-python-code-using-ctypes...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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415 views

1 answer

ios - SwiftUI: Drag and Drop, Prevent overlapping child Views

I am creating an application where the user can configure custom spots (circles) for spot booking in events ... /65874227/swiftui-drag-and-drop-prevent-overlapping-child-views...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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356 views

1 answer

docker - Trouble compiling rust crates that include C libraries for aarch64

I am trying to compile a rust app in an aarch64 linux docker container to run on raspberry pi 4. I have things working except ... -equal" "-Wformat=2" "-Winline" "-Winvalid-pch" "-...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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596 views

1 answer

python - Google colab error to use files from google drive

So to use files from google drive in google colab I used this code: from google.colab import drive drive. ... questions/65874186/google-colab-error-to-use-files-from-google-drive...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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567 views

1 answer

visual studio code - Connecting to remote linux server with VSCode through WSL - File location issue?

When attempting to use VS Code / WSL to remote into a linux server hosted as a Digital Ocean droplet, we're ... -to-remote-linux-server-with-vscode-through-wsl-file-location-issue...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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python - ValueError: zero-dimensional arrays cannot be concatenated,

I have two arrays with axis=0 (there are the result of the mean and the std of a df) ... .com/questions/65874080/valueerror-zero-dimensional-arrays-cannot-be-concatenated...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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456 views

1 answer

filesystems - How do I create a searchable backup of all filesnames of a remote drive which is not always connected?

My problem is the following: I usually backup files (e.g. pictures) on external harddisc drives and the store ... searchable-backup-of-all-filesnames-of-a-remote-drive-which-is...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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284 views

1 answer

c# - How do I evalutate the set difference between two heterogeneous sets in LINQ?

In (More)LINQ terms how do I do an ExceptBy involving different types? For example, given the LeverPosting ... -evalutate-the-set-difference-between-two-heterogeneous-sets-in-linq...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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519 views

1 answer

refresh - How can I update shopping cart? Product-preview image, Product name, price should be updated

This is working, but always with the same product-priview.png, productName and price. How can I replace ... -update-shopping-cart-product-preview-image-product-name-price-shoul...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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453 views

1 answer

Plantuml: how to avoid overlap of self arrows and directional and select side of component

Problem Steps 3 and 4 are overlapping I'd like to move Step 3's arrow on the left side of the component I ... -to-avoid-overlap-of-self-arrows-and-directional-and-select-side-of...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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236 views

1 answer

Hyperledger fabric configtxgen proto: Marshal called with nil

I am trying to create genesis block in hyperledger fabric 2.3 using configtxgen. Please find the profile details I am ... func1 -> PANI 005 proto: Marshal called with nil panic:...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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86 views

1 answer

java - How do I get frames from a video file?

Video file (any extenction) might be in a form of byte array. I tried using velvet video but it throws an error on ... .com/questions/65874528/how-do-i-get-frames-from-a-video-file...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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319 views

1 answer

c - 1D array ----> 2D or multi-dimension array code

the whole code is okay until last 3 newlines but I want to check if there is a way to write it properly ... .com/questions/65874514/1d-array-2d-or-multi-dimension-array-code...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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313 views

1 answer

Latex not rendering with canvaskit flutter

I'm using flutter wub with flutter run -d chrome --dart-define=FLUTTER_WEB_USE_SKIA=true I need canvaskit ... .com/questions/65874418/latex-not-rendering-with-canvaskit-flutter...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

1 answer

uitableview - Swift: UITableViewController selecting cell & passing fetched objects to UIViewController

I'm trying to make a simple note app using Core Data, but I'm running into problem with ... dateStamp = dateLabel { noteFieldLabel.text = detail.noteName dateSt...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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225 views

1 answer

javascript - What is the proper way of sending many requests to Google Maps Geocoding API?

This question already has answers here: question from:https://stackoverflow.com/questions/65874361/what-is-the-proper-way-of-sending-many-requests-to-google-maps-geocoding-api...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.5k views

1 answer

Convert hex string to ASCII string in Windows batch file

This question already has answers here: question from:https://stackoverflow.com/questions/65874349/convert-hex-string-to-ascii-string-in-windows-batch-file...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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311 views

1 answer

python - Field Error When Using choices in a Django Model field

After adding one of the model fields to select an option from a list, I get a field error. What could possibly ... /65874348/field-error-when-using-choices-in-a-django-model-field...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

619 views

1 answer

ajax - Python BeautifulSoup Scraping video source url from video streaming page

I am trying to scrape the video source url from a streaming webpage. The page source contains no src ... /python-beautifulsoup-scraping-video-source-url-from-video-streaming-page...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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257 views

1 answer

How to connect Strapi CMS with already made Reactjs frontend?

I am working on getting my ReactJs frontend to connect to Strapi CMS with a MongoDB database. I cannot for ... /how-to-connect-strapi-cms-with-already-made-reactjs-frontend...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

224 views

1 answer

React - accessing context in child components

I am using this react package - @spyna/react-store (link) in my project which is nothing but a ... /stackoverflow.com/questions/65874831/react-accessing-context-in-child-components...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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163 views

1 answer

java - If - else doesn't work - where could be mistake

world! :) It is my third programming day (please, be lenient...) Code was intended to find out whether the ... .com/questions/65874801/if-else-doesnt-work-where-could-be-mistake...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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355 views

1 answer

web - wordpress website- implement search sort and filter

i am using avada fusion theme in my wordpress site, different plugins work fine if i need to search ... .com/questions/65874770/wordpress-website-implement-search-sort-and-filter...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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189 views

1 answer

c - Initializing a struct pointer with char array

I've encountered a similiar problem as described in another thread (perf_event_open - how to monitoring ... questions/65874758/initializing-a-struct-pointer-with-char-array...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

256 views

1 answer

Unable to pull data from xlsx into powershell

Please bear with me as I am a complete beginner. I am trying to create a phone list where in powershell it ... .com/questions/65874744/unable-to-pull-data-from-xlsx-into-powershell...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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123 views

1 answer

python - "if" statement not moving to the "else" clause

I'm writing a function for a small game in which a list of jobs is populated each turn. The jobs themselves ... .com/questions/65874741/if-statement-not-moving-to-the-else-clause...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

235 views

1 answer

Java 8 - SQL Timestamp to Instant with properly formatted time

I've read through the available q and a on SO, but nothing I have found answers my question of how to ... /65874732/java-8-sql-timestamp-to-instant-with-properly-formatted-time...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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