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algorithm - Code-golf: generate pascal's triangle

question from:https://stackoverflow.com/questions/1242073/code-golf-generate-pascals-triangle...

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

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How to remove one track from video file using ffmpeg?

How to remove only one track (not all) from video file container (.vob or .mkv) using ffmpeg? I know I ... /questions/38161697/how-to-remove-one-track-from-video-file-using-ffmpeg...

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

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Refresh document in notepad++

I have a php script running which writes to a logfile. I opened the logfile in Notepad++ to see ... from:https://stackoverflow.com/questions/36718907/refresh-document-in-notepad...

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

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R convert dataframe to JSON

I have a dataframe that I'd like to convert to json format: my data frame called res1: library(rjson) ... :https://stackoverflow.com/questions/25550711/r-convert-dataframe-to-json...

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

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.net - Get thumbnail image of video file in C#

(Closed.) This question needs debugging details. It is not currently accepting answers. question from:https:// ... 15702031/get-thumbnail-image-of-video-file-in-c-sharp...

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

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sql server - SQL query to determine that values in a column are unique

How to write a query to just determine that the values in a column are unique? question from:https://stackoverflow. ... /sql-query-to-determine-that-values-in-a-column-are-unique...

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

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ios - Playing a video file from a server in Swift

I'm trying to play a video from a server using Swift. I have imported MediaPlayer framework, here is my code: ... /questions/25034497/playing-a-video-file-from-a-server-in-swift...

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

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python - What base_name parameter do I need in my route to make this Django API work?

I am building a Django application that exposes a REST API by which users can query my application's models. I'm following ... -do-i-need-in-my-route-to-make-this-django-api-work...

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

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How can I check if key exists in list of dicts in python?

Say I have a list of dicts that looks like this: [{1: "a"}, {2: "b"}] What is the pythonic way to indicate ... /14790980/how-can-i-check-if-key-exists-in-list-of-dicts-in-python...

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

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iphone - OSStatus error 1718449215

I have created an iPhone application to record our voice. When I try to record, I am getting error ... from:https://stackoverflow.com/questions/4259078/osstatus-error-1718449215...

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

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Set CORS header in Tomcat

I had a static website hosted by Tomcat. How to set a header for my site like:Access-Control-Allow-Origin ... https://stackoverflow.com/questions/16296145/set-cors-header-in-tomcat...

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

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ios - Facebook SDK 3.1 - Error validating access token

I'm trying to transition my app to the new Facebook SDK 3.1 (with support for iOS6 authentication). I had ... .com/questions/12601191/facebook-sdk-3-1-error-validating-access-token...

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

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datasource - How to Export/Import a Data Source from DataGrip?

I can't seem to figure out how to export a data source configuration in DataGrip (currently on 2016.2 EAP). ... /questions/37931260/how-to-export-import-a-data-source-from-datagrip...

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

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sql - Delete all but one duplicate record

I have a table that is supposed to keep a trace of visitors to a given profile (user id to user id ... ://stackoverflow.com/questions/5882649/delete-all-but-one-duplicate-record...

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

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haskell - Explanation of Monad laws

From a gentle introduction to Haskell, there are the following monad laws. Can anyone intuitively explain what ... ://stackoverflow.com/questions/3433608/explanation-of-monad-laws...

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

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sql - Query with LEFT JOIN not returning rows for count of 0

I am trying to get the following to return a count for every organization using a left join in PostgreSQL, but I ... /query-with-left-join-not-returning-rows-for-count-of-0...

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

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javascript - How to get event target's parent with jQuery?

I use jQuery's event object to get the target's parent. The code is: event.target.parentElement In Chrome it ... .com/questions/9766171/how-to-get-event-targets-parent-with-jquery...

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

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What is the best way to get an empty temporary directory in Ruby on Rails?

What is the best way to get a temporary directory with nothing in it using Ruby on Rails? I need the API to be ... -best-way-to-get-an-empty-temporary-directory-in-ruby-on-rails...

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

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c# - How to set large string inside HttpContent when using HttpClient?

So, I created a HttpClient and am posting data using HttpClient.PostAsync(). I set the HttpContent using ... how-to-set-large-string-inside-httpcontent-when-using-httpclient...

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

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python - How to explain the int() function to a beginner

I am tutoring a neighbour's child and we were exploring the int() function before using it with input() - ... /questions/46929622/how-to-explain-the-int-function-to-a-beginner...

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

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mysql - Multiple aggregate functions in HAVING clause

Due to the nature of my query i have records with counts of 3 that would also fit the ... stackoverflow.com/questions/14756222/multiple-aggregate-functions-in-having-clause...

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

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machine learning - How to use k-fold cross validation in a neural network

We are writing a small ANN which is supposed to categorize 7000 products into 7 classes based on 10 input variables. In ... /how-to-use-k-fold-cross-validation-in-a-neural-network...

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

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android - Simple mediaplayer play mp3 from file path?

I have a very simple mediaplayer that play background. It calls file from the apk, but I want it to ... .com/questions/16715003/simple-mediaplayer-play-mp3-from-file-path...

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

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c# - How can I Remove items from dictionary using lambda expression

I am not into LINQ solutions, I am using simple predicat to determine if the key should be removed, For ... 5610374/how-can-i-remove-items-from-dictionary-using-lambda-expression...

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

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Multiple depends in Ant task

If I have three targets, one all, one compile and one jsps, how would I make all depend on the other ... :https://stackoverflow.com/questions/2888725/multiple-depends-in-ant-task...

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

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user interface - Limit max width of Container in Flutter

Widget build(context) { return Row( mainAxisSize: MainAxisSize.min, children: [ Container( width: 300, padding: ... .com/questions/55185288/limit-max-width-of-container-in-flutter...

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

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Insert an image in chrome extension

I want to know how to insert an image in a Chrome extension. <img id="image" src="logo.png" /> ... https://stackoverflow.com/questions/11804332/insert-an-image-in-chrome-extension...

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

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machine learning - Cross Entropy in PyTorch

I'm a bit confused by the cross entropy loss in PyTorch. Considering this example: import torch import ... https://stackoverflow.com/questions/49390842/cross-entropy-in-pytorch...

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

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