Recent questions in Technique[技术]

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javascript - How to store console.log data to file?

I have tree of objects: let tree = {id: 1, children: [{id: 2, children: [{id: 3}]}]} I want to ... to write result to text file or display on the browser page with formatting?...

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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function pointers - How can I call a raw address from Rust?

I am writing an OS in Rust and need to directly call into a virtual address that I'm calculating (of type u32). I ... ported std and so can't rely on anything that isn't no_std...

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

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mysql - Request for the existence of links

How to make a quick selection and get the number of those users who have already invited at least someone? I tried, suffered, it ... ! 6 - invited? Yes! 7 - invited? No! Only 5....

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

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Can I Run Docker Exec from an external VM?

I have a group of docker containers running on a host (172.16.0.1). Because of restrictions of the size of ... my_container bash Should I be using a different command? Thank you!...

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

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authentication - Asp.Net core AddJwtBearer default caching of JWKS?

I have configured the AddJwtBearer with basic settings and the authority is an OpenID-connect identity server. It is ... ]; options.Audience = Configuration["Audience"]; });...

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

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html - CSS parallel columns

I am trying to create three parallel columns of the same width (33.3%) and height (100%). In each column, I want to split ... div id="right-bottom-container"> </div> </div> </div>...

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

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excel - Match last value in column with blanks on multiple criteria

I have a table (T_Data) that - for the sake of this post - is structured similar to the following: StoreID DateStamp ... -29 200 0000001 2020-12-30 400 0000002 2020-12-30 200...

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

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arduino - Fading Adafruit neopixels

I would like to create a motion-controlled night light for my corridor. For my project I have Arduino Uno PIR sensor WS2812b ... setPixelColor(i, 0); strip.show();} delay(5000); }...

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

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r - Why does my for loop for cross validations keep returning the same predict values on the test data?

I want to see which number of cross validations returns the lowest MSE on the test data using OLS. I created a for loop ... )] <- predict(OLS.log.cv, newdata = test) } ols_predict...

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

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node.js - debug in chromium / puppeteer doesn't populate evaluate script

So I have the following code launching this.browser = await puppeteer.launch( { headless: false, devtools: true, ... latest node lts and puppeteer but have the same behavior....

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

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Java comparing array elements does not work properly

I have this assignment which is proving to be a challenge as I cannot see the mistake which is causing the error to appear. ... the file. Please try again."); System.exit(0); }...

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

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How do I preserve creator / assignment / commenter associations when a self-hosted GitLab export is imported on GitLab.com?

I have a handful of projects on a self-hosted GitLab instance which I am losing the ability to use. I've decided ... authorship information for this kind of migration? If so, how?...

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

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php - Symfony Unique Entity error message not displaying

I've tried to implement the unique entity from Symfony and when I try to insert with same email, it doesn't show the error ... ', [ 'registrationForm' => $form->createView(), ]); }...

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

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css - Make a div span two rows in a grid

I have a page full of blocks which pile up with display: inline-block. I want to make some four or two times bigger, so I used ... ="block"></div> <div class="block"></div> </div>...

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

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postgresql - Concurrent queries give out unexpected data

I execute several processes to continuously (update + select) data from postgresql (with autocommit option enabled), and ... same entries (though with different pid and uniqueid)....

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

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Convert names of vector objects into the tags of the list of vectors with R

I have some vectors, like this: months <- c("january", "february", "march", "october", "december") weekdays < ... directly? Without re-writing these names (in a string vector)?...

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

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c# - original and current values the same - change tracking is not working

After following this awesome tutorial, my change tracker is not showing that the values have changed. Here's my ... The ChangeTracker is showing that 1 record has been changed!...

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

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javascript - Refactoring if else statement

Here is my method: Object.entries(query).forEach(([key, value]) => { if (key === 'team_ids') { if (typeof value === ' ... it but now i'm stumped... It don't looks good. Any advice?...

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

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Localhost:3000 not opening from node.js app

I've set up a tiny little app which is run using Express, Nodemon and Mongoose. A few hours ago, it worked fine ... working for this app? Feel like I'm missing something obvious!...

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

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419 views

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Regex Java allow number, letters, special char (some)

I have a file name, lets say upload 23_3.jpg. I would like to allow only letters, (.) period, (-) hypen sign, underscore (_) ... t work. Any idea how to add '_' '.' '-' characters?...

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

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css - How to modify this graphic Angular char

I'm trying to change one graphic, I want to hide the dataset labels, but nothing I tried is working. Graphic The ... to ticks but I think this object is not modifying anything....

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

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zapier - I'm receiving Webhook "Security Error" In my zaps

I'm receiving "Security error" in the webhook part of my zaps. any help?enter image description here...

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

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javascript - Can this regex be simplified? Desired pattern is words with upper case

I have the following JavaScript regular expression. I'm wondering if there is a way to simplify or improve it. Here's my existing ... 234*((_&&*^ ab^*(_EWRR) e_RERE_^&)(*$#$#@()\...

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

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java - In multiple locks when first thread has locked on to first task, how to make second thread to not sit idle and instead lock on to next task?

Processor class - public class Processor extends Thread { private static final Object lock1 = new Object(); private static final ... even if there are a 100 tasks and 5 threads....

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

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java - Parameter class of headers?

I have a design question: I want to write to a CSV file some data. I have separate class to write data to CSV. ... class? Two classes (One for main and one for secondary)? Other?...

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

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ios - How to update my xib labels from another view controller

I am trying to figure out how to update my xib labels when a button is pressed on another view controller Currently I ... returns nil and I'm not sure why. Thanks for everything!...

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

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1.2k views

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active directory - I need to use Azure AD MFA, in my application , for certain functions that require verification of User

I need to use the Azure Ad Multifactor Authenticating. but not in login , I have one or few functions in my ... to validate the six digits number the user entered. any ideas?...

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

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