Recent questions in Technique[技术]

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r - Shade alternate quarters using ggplot2 and also alternate methods

I want to create vertical bands for a line chart using ggplot2 or any other way in R. date <- seq.Date(from = ... gives this What I need is a chart with alternate quarters shaded....

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

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swift - NSTableViewDelegate and NSTableViewSource

I am learning Swift and have experience with Visual Basic and C++. But, I am completely confused on NSTableView. This code works, ... //} return cell } return nil } return nil } }...

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

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azure - Does a function app based on a docker container use the same amount of space for every host?

I have a function app created as a "docker container", which updates continuously from my docker repo. My docker image is ~ ... not even that, its only 2.5mb. How is this possible?...

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

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Swapping pointers in C (char, int)

I have been struggling to understand the different behaviour when swapping pointers in C. If I want to swap two int pointers, ... answer. I hope it's useful for many other people....

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

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npm strting issue on my visual studio code?

I am trying to start npm in Visual Studio for running my project backend, but this error is shown. Can anybody please ... 0 prestart script. npm ERR! This is probably not a proble...

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

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Why does a Firestore security rule using get() not work while another rule using resource.data works?

I've been working on a chat app in order to get used to Cloud Firestore. Below is the structure of its database. ... query data ?|? Firebase Is this possibly related in any way?...

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

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c# - Microsoft visual studio: "error MSB1011: Specify which project or solution file to use because this folder contains more than one..."

This happens each time after I run my code in Visual Studio on my mac. MSBUILD : error MSB1011: Specify which project or ... one project or solution file. How do I fix this error?...

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

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How add/push data in nested array in Mongodb

This is my collection in mongoAltas: { "_id":{"$oid":"5ff35fefa0652d23c637bf51"}, "plantId":"3", "status":"SUCCESS" ... know how the code works for nested document please help me....

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

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editing - Fun debate: Is it an eco friendly practice to recycle written letter rather than deleting and rewriting it

Example: in your IDE you had a snake case variable: some_var, you want to convert to camel case someVar, you can go ... the word, cut, paste in place many more examples out there...

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

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javascript - How to download a static file during npm install

I have a link in my angular app which upon clicking should open a pdf file. But, this file should first be ... download.com/file.pdf or instruct npm to download via paclage.json...

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

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python - How to insert NULL value in existing object's field using Django

I am trying to insert the null value in some fields of a predefined object. my models.py: class myCustomeUser( ... e djongo.database.DatabaseError How can I fix this problem?...

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

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oop - C++ best way te determine an inherited object

I have an abstract object inherited by objects with very different needs, but I need to get all of them in the same ... choose and why ? And, did someone have an other solution ?...

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

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python - I can't subset rows in pandas this way: df[0] (or with any integer)

I loaded a csv and then tried to get the first row with the row index number import pandas as pd pkm = pd.read_csv ... I got the same error This is how the data looks: pokemon_data...

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

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html - I want to upload the icon from the computer, how can I do?

Since I cannot find some icons on the internet, I want to use them from my computer. Here's codes... Html: <html lang="en"> ... ="fab fa-google"></i> CSS: i{ margin-right: 10px; }...

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

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java - Intellij IDEA JCEF: Cannot find startup() method in JBR IDE

I'm trying to add a WebView (JCEF) as part of a plugin project I'm making for Intellij IDEA. I'm having ... http", "javalearn", CustomSchemeHandlerFactory()) } } Thanks in advance!...

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

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progressive web apps - 'TypeError: failed to fetch' when call ws from PWA on mobile

I'm writing a PWA app that recalls a webservice on other machine - on the same subnet - by fetch() function to ... catch method as response: TypeError: failed to fetch Any idea?...

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

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amazon web services - Can I create more than one Twilio Composition Setting for 2 different projects?

I have 2 projects where I am saving videos in Twilio. One project, I do not want to change. The second ... Composition Settings, and also have 2 separate s3 storage buckets?...

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

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javascript - Possibly not completely understanding exports or jest

Just going over some exercises so I can get more proficient at jest and I'm a little confused about something. Here is ... 1 s Ran all test suites matching /sumRange.spec.js/i....

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

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java - Hadoop Datanode runs only once and then does not start again on Windows 10

I was trying to install Hadoop and run a simple sample program Datanode started only for "1" - one time and then I ... </name> <value>datanode</value> </property> </configuration>...

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

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How to store outcome of a nested for loop as a nested dictionary in python?

from geopy.distance import geodesic europe = { 'Berlin': [52.5170365, 13.3888599], 'Vienna': [48.2083537, 16.3725042], 'Madrid' ... 5484.65, 'LA' : 9383.686, 'Chicago' : 6741.855}}...

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

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How to set and access environment variables in python file for Streamlit app?

How do you properly set secret keys or environment variables when you deploy your files to github to be deploy to Streamlit app?...

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

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sql - Datediff in hours

I have this script that ranks trailer status by date and the Statusing_Facility_CD responsible for statusing the ... = 'RDWY' AND Equipment_Unit_NB = '10941'...

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

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Google Speech to Text domain adaptation

I am trying to do domain adaptation with text data to improve the speech to text results of Google Cloud Speech- ... language model) with a large text corpus for domain adaptation?...

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

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javascript - Problems creating js calendar

Hello friends i am getting Uncaught TypeError: document.getElementById(...) is null ,i think it's something with the parsing of types ... days-column"></div> </div> </div> </body>...

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

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linear programming - How can I change the output of the lp_solver on Linux to show large numbers instead of scientific notation?

I'm working with the lp_solver on ubuntu on some examples. Most of them are based on big prodution problems. Every ... simplicity to write entries and install. Thanks, Best, J....

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

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hadoop - How can I match column family name inside a loop in PigLatin?

I'm sorry if this is too simple or too tangled up, I just started Pig a few days ago . I have this table of orders ... order is variable . Anyone has an idea on how I can do this?...

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

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javascript - MongoDB: best way to update the field using the value of another field

I have a code in NodeJS that updates the fields of a collection but it is very slow. My collection contains +16 million ... }; MongoDB version: 4.0.22 Sorry for the bad English!...

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

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406 views

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c# - Async Method Using Generic Func<T>

I have written the following method: async Task<T> Load<T>(Func<T> function) { T result = await Task.Factory ... t reference the parameters, I feel this should be possible somehow....

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

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