Recent questions in Technique[技术]

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android studio - MediaPlayer getting path from device

I'm having trouble getting the audio file path and sending him to mediaPlayer.create below is the code I have to get the file ... ", "Duration: ${mp!!.duration/1000} seconds") } }...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Function that shows if shop is open, and if not, when it opens

I'm trying to make a function that gets current time and based on an array with open hours, shows if the shop is open ... undefined, how can I get the next day that has open hours?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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arm - How does works the same assembly program on different OS's and architectures?

This is a simple NASM 64bit linux assembly program: _exit: mov rax, 60 mov rdi, 0 syscall My computer is ... change when an assembly code with the different operating systems?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - Find all the columns and keys for multiple tables in one database

I have a very large database with over 500 tables in it. Each table contains about 100 columns with at least 5 ... all the tables as well as their linkages to other tables?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Interaction and Deletion among widgets on Python + KivyMD and Code Optimization

I am currently building an app that serves as a travel expenses manager. I have a system in which ... PANEL self.ids.panel_container.add_widget(MDExpansionPanel(icon="food", cont...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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nsdata - How to combine and split Data in swift

I am working on sending encrypted messages between two or more devices on swift. I have 3 constants of type Data: ephemeralPublicKey, ... and I still don't have idea how to do it....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Is there a way to specify all 'yes/1' responses in Apriori on RHS? (R Studio)

Good afternoon, I'm conducting Market Basket analysis at the moment and I have reduced the LHS rules down to the top 15 ... coding for the 94 different items in my set on the RHS?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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maven - Building Scala project with docker's Multi-Stage

I'm trying to build a scala project with docker Multi-Stage ability. For starter, this is my dockerfile: FROM ... doesn't stop there and download everything again. Thanks guys.....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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string - Trying to create a loop of random letters, but python errors

import random def number_to_letter(): n = random.randint(1, 26) if n == 1: n = "A" return n elif n == 2: ... sense. I'm just learning Python and can't find the answer anywhere....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to do aggregation sort in mongodb inner object with c#

I need to sort inner object sort of a class with mongo db. i need to sort based on marks Sample Json: {"_id":" ... sort mongo shell query .. don't know to implement that in c#...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Can MathJax output format be changed

I'm recreating a MatLab script in Jupyter, but am running into an issue with how MathJax formats the print output ... output: I am working on a Windows machine through Anaconda....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Select query output in mysql and differes between SP and query execution

Why is my query output different between SP and query execution. I am executing a simple select query to assign ... TABLE. WHERE IN SAME QUERY WORKS FINE IF EXECUTED OTHERWISE....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Python argparse AssertionError using multiple groups

I am playing around with 'argparse' and I can't get two specific groups (sg and dg) to work at the same time. ... to work at the same time - any suggestions? Thanks in advance!...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Regex: Allow all characters except four, restriction including underscore

I am not very familiar with regex. I am trying to implement some restrictions on input. I want to allow all numbers ... to allow all except 4 without writing all symbols in regex?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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cons* in scheme - how to implement

I tried to implement the cons* (https://scheme.com/tspl4/objects.html#./objects:s44). Examples: (cons* '()) -> () (cons* '(a b) ... x)) (reverse (cdr (reverse x)))) ??? ) ) ) )...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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112 views

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java - edit after effect file in android and get Output

I have several After effect composition (Audio Spectrum) and I want to edit them through the information that the user enters in the program and get output, is this possible?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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XGBoost classifier on heroku dyno takes too much time to fit

We are working on a project were we have to build models which can work with any subset of the columns. We ... the reason, which makes the fitting process on heroku really slow?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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insert json data into postgresql table using python

I need to write an automated python code to create database table having column names as the keys from the json file and ... have 100 elements of list in the values of any key....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Can AWS SQS Service trigger API Gateway Proxy?

I working on a project and I need to trigger a proxy API whenever a message is received by the AWS SQS ... related to SQS triggering API Gateway. Can somebody please guide....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Swagger: take one or more values from enum

I am writing an OpenAPI (Swagger) definition where a query parameter can take none, or N values, like this: /path?sort ... . (See http://jsonapi.org/format/1.1/#fetching-sorting)...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - How to collapse values with same ID?

I have the following dataset. PERSONID CODE1 CODE2 CODE3 CODE4 AX1 02 NA NA NA AX1 NA 03 NA NA AX1 NA NA 54.3 NA AX1 NA NA ... CODE4 AX1 02 03 54.3 21 AX2 01 01 NA NA Thank you....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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selenium - How to click a link by text with No Text in Python

I am trying to scrape a Wine data from vivino.com and using selenium to automate it and scrape as many data as ... 't found proper answer during my web search. Thanks in advance...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Recover Tensorflow variables from model

I have been working with a TF model and I want to restore the model variables. However, these variables were never saved ... were not saved. Is there a way to get these variables?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - $ npm install eslint -g = -bash: $: command not found

I am trying to globally install eslint on my mac to use in vs code and it is returning the command not found. does anybody have any idea on how to fix this?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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unity3d - Debugging Unity code on iOS seems really clunky

I have been working on my first Unity project. I need to do some debugging on iOS and it seems like the process is ... around time is really painful. Is that just the way it is?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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299 views

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arrays - Replacing outliers with zeroes in VBA

I want to write function outliers_std(table, std) which replace outliers with zeroes. Let's define outlier as a ... error stays the same. Did I write something incorrectly ?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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fork - I have an executable that's going to start many processes. How do I attach to a particular one and debug in GDB?

How to attach to a child process in GDB and break at main()? I want to debug the main() function in a ... program no longer exists. How do people do this trick properly? Thanks...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How do I get all overlapped Collider2D on any layer in LayerMask array

I need to choose all elements in the array public LayerMask[] ground; I have a problem "Wrong number of ... OverlapCircle(bottom.position, radius, ground[0, ground.Length]);...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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