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machine learning - scikit-learn: Predicting new points with DBSCAN

I am using DBSCAN to cluster some data using Scikit-Learn (Python 2.7): from sklearn.cluster import ... .com/questions/27822752/scikit-learn-predicting-new-points-with-dbscan...

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

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150 views

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javascript - Pros and cons of placing test files in the same folder as source files, or separate under test/

(Closed). This question is opinion-based. It is not currently accepting answers. question from:https://stackoverflow.com/ ... test-files-in-the-same-folder-as-source-files-or-separ...

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

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167 views

1 answer

c# - Automatic native and managed DLLs extracting from Nuget Package

This is driving me crazy for several months now and I'm still not able to achieve it. My managed ... /40104838/automatic-native-and-managed-dlls-extracting-from-nuget-package...

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

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202 views

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javascript - Why is the cleanup function from `useEffect` called on every render?

I've been learning React and I read that the function returned from useEffect is meant to do cleanup and React ... why-is-the-cleanup-function-from-useeffect-called-on-every-render...

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

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115 views

1 answer

c# - Apply a Regex on Stream?

I'm searching for fast and safe way to apply Regular Expressions on Streams. I found some examples over the ... https://stackoverflow.com/questions/1962220/apply-a-regex-on-stream...

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

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265 views

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python - Reconnecting remote Jupyter Notebook and get current cell output

I'm currently training a neural network on a remote server, using jupyter notebook. I set it up with ... /47969937/reconnecting-remote-jupyter-notebook-and-get-current-cell-output...

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

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234 views

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Update mysql table with data from another table

Is it possible to run an UPDATE command on mysql 5.0 with a sub select. The command I would like to ... .com/questions/414828/update-mysql-table-with-data-from-another-table...

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

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336 views

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ruby - Error when starting rails server: warning: Insecure world writable dir /usr in PATH, mode 040777

(This question already has answers here): question from:https://stackoverflow.com/questions/16899255/error-when-starting-rails-server-warning-insecure-world-writable-dir-usr-in-p...

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

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172 views

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language agnostic - What is the purpose of null?

I am in a compilers class and we are tasked with creating our own language, from scratch. Currently our dilemma ... //stackoverflow.com/questions/584507/what-is-the-purpose-of-null...

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

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311 views

1 answer

iphone - Testing if NSMutableArray contains a string object

I have a NSMutableArray which contains a few NSString objects. How can I test if the array contains a ... .com/questions/2697749/testing-if-nsmutablearray-contains-a-string-object...

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

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428 views

1 answer

ios - How to crop UIImage on oval shape or circle shape?

Please give ideas for how to crop UIImage on oval shape or circle shape. Please share your ideas. question from:https ... /6530573/how-to-crop-uiimage-on-oval-shape-or-circle-shape...

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

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74 views

1 answer

javascript - Node.js Generate html

I have created a JavaScript program which generates a list of data. Example output below: output one output ... https://stackoverflow.com/questions/21617468/node-js-generate-html...

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

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107 views

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java - How to set amount of Spark executors?

How could I configure from Java (or Scala) code amount of executors having SparkConfig and SparkContext? I see ... .com/questions/26168254/how-to-set-amount-of-spark-executors...

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

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119 views

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Can I use the path to a Maven dependency as a property?

I have a maven dependency in my pom.xml as such: <dependency> <groupId>com.foo</groupId> <artifactId>Bar</artifactId> < ... /can-i-use-the-path-to-a-maven-dependency-as-a-property...

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

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315 views

1 answer

node.js - Cannot app.use(multer). "requires middleware function" error

I'm just starting learning NodeJS and I am stuck with a problem. I would like to upload files to ... .com/questions/31496100/cannot-app-usemulter-requires-middleware-function-error...

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

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401 views

1 answer

jQuery or JavaScript equivalent of PHP strpos function to find string on a page

Is there an equivalent function in JavaScript or jQuery similar to strpos in PHP? I want to locate a string inside ... -equivalent-of-php-strpos-function-to-find-string-on-a-page...

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

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223 views

1 answer

c# - How can I export a GridView.DataSource to a datatable or dataset?

How can I export GridView.DataSource to datatable or dataset? question from:https://stackoverflow.com/questions/785799/ ... i-export-a-gridview-datasource-to-a-datatable-or-dataset...

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

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363 views

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enumeration - Elixir - Looping through and adding to map

I'm rebuilding something in Elixir from some code I built in C#. It was pretty hacked together, but works ... .com/questions/29924170/elixir-looping-through-and-adding-to-map...

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

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99 views

1 answer

c# - Return Json, but it includes backward slashes "", which I don't want

I use MVC4 web-api, c#, and want to return Json using Json.net. The problem is it comes with "backward ... 13833900/return-json-but-it-includes-backward-slashes-which-i-dont-want...

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

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103 views

1 answer

c# - Convert byte array to image in wpf

I used private BitmapImage byteArrayToImage(byte[] byteArrayIn) { try { MemoryStream stream = new MemoryStream(); stream ... /questions/9564174/convert-byte-array-to-image-in-wpf...

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

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226 views

1 answer

"MySQL server has gone away" with Ruby on Rails

After our Ruby on Rails application has run for a while, it starts throwing 500s with "MySQL server has gone away ... questions/100631/mysql-server-has-gone-away-with-ruby-on-rails...

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

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687 views

1 answer

ios - UICollectionView scroll to item not working with horizontal direction

I have a UICollectionView within a UIViewController with paging enabled. For some strange reason collectionView. ... -scroll-to-item-not-working-with-horizontal-direction...

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

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673 views

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flutter - How to check if scroll position is at top or bottom in ListView?

I'm trying to implement a infinite scroll functionality. I tried using a ListView inside on a NotificationListener to detect ... -if-scroll-position-is-at-top-or-bottom-in-listview...

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

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195 views

1 answer

JavaScript - Is it possible to view all currently scheduled timeouts?

So I was wondering, is there any feasible way in JavaScript to view information about scheduled timeouts and ... javascript-is-it-possible-to-view-all-currently-scheduled-timeouts...

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

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89 views

1 answer

php - MySQL Query Randomly Lags

I have a query that looks like this: SELECT id FROM user WHERE id='47' The ID is indexed and reads ... from:https://stackoverflow.com/questions/20590013/mysql-query-randomly-lags...

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

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314 views

1 answer

web - How do I cache bust imported modules in es6?

ES6 modules allows us to create a single point of entry like so: // main.js import foo from 'foo'; foo() ... .com/questions/47675549/how-do-i-cache-bust-imported-modules-in-es6...

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

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360 views

1 answer

ASP.NET MVC - Pass array object as a route value within Html.ActionLink(...)

I have a method that returns an array (string[]) and I'm trying to pass this array of strings into an Action ... -net-mvc-pass-array-object-as-a-route-value-within-html-actionlink...

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

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247 views

1 answer

java - What is the difference between the setConnectionTimeout , setSoTimeout and "http.connection-manager.timeout" in apache HttpClient API

What is the difference between the three(marked as comments) : MultiThreadedHttpConnectionManager connManag = ... -difference-between-the-setconnectiontimeout-setsotimeout-and-http...

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

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