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multithreading - How to detect and debug multi-threading problems?

This is a follow up to this question, where I didn't get any input on this point. Here is the brief question: ... keep it to .NET and Java. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iphone - Dynamically setting layout on UICollectionView causes inexplicable contentOffset change

According to Apple's documentation (and touted at WWDC 2012), it is possible to set the layout on ... and get the same behavior. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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scope - Static (Lexical) Scoping vs Dynamic Scoping (Pseudocode)

Program A() { x, y, z: integer; procedure B() { y: integer; y=0; x=z+1; z=y+2; } ... their values in the two different types of scopes? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How do I mount a host directory as a volume in docker compose

I have a development environment I'm dockerizing and I would like the ability to livereload my changes without having ... app.js - Dockerfile.js See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Get current URL of UIWebView

I already tried getting the current URL of my UIWebView with: webview.request.URL. Unfortunately the NSURL ... UIWebView delegate didStartLoad. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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performance - Why is vectorization, faster in general, than loops?

Why, at the lowest level of the hardware performing operations and the general underlying operations involved (i.e.: things ... way, won't we? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Why use IList or List?

I know there has been a lot of posts on this but it still confuses me why should you pass in an interface ... better maybe for a concrete List? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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PHP - Extracting a property from an array of objects

I've got an array of cats objects: $cats = Array ( [0] => stdClass Object ( [id] => 15 ), [1] => stdClass ... don't know how to do it. Any idea? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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windows - env: bash : No such file or directory

I'm trying to install YouCompleteMe from here. When I execute: ./install.sh --clang-completer I get this error: ... file, but it didn't work. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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caching - Tomcat 8 throwing - org.apache.catalina.webresources.Cache.getResource Unable to add the resource

I have just upgraded Tomcat from version 7.0.52 to 8.0.14. I am getting this for lots of ... catalina.webresources.FileResourceSet" /> Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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postgresql - ERROR: permission denied for relation tablename on Postgres while trying a SELECT as a readonly user

GRANT SELECT ON ALL TABLES IN SCHEMA public TO readonly; The readonly user can connect, see the tables but when it ... 9.1 What I did wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How do I use Django templates without the rest of Django?

I want to use the Django template engine in my (Python) code, but I'm not building a ... variable DJANGO_SETTINGS_MODULE is undefined. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Understanding touch events

I'm trying to make some of my libraries work with touch devices, but I'm having a hard time trying ... your feedback would be very appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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geocoding - How to convert an address to a latitude/longitude?

How would I go about converting an address or city to a latitude/longitude? Are there commercial outfits I ... with fulltime internet access. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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newline - Bash: Strip trailing linebreak from output

When I execute commands in Bash (or to be specific, wc -l < log.txt), the output contains a linebreak after it. How do I get rid of it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - How to create helper file full of functions in react native?

Though there is a similar question I am failing to create a file with multiple functions. Not sure if the method ... way to do this please? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Max length UITextField

When I've tried How to you set the maximum number of characters that can be entered into a UITextField using swift ... I can use the backspace)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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haskell - Ordering of parameters to make use of currying

I have twice recently refactored code in order to change the order of parameters because there was too much code ... the best use of currying? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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modulo - Recognizing when to use the modulus operator

I know the modulus (%) operator calculates the remainder of a division. How can I identify a situation where I ... division would work here!". See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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css - Nested rows with bootstrap grid system?

I want 1 larger image with 4 smaller images in a 2x2 format like this: My initial thought was to house ... am just not doing it correctly? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Angular 5 Scroll to top on every Route click

I am using angular 5. I have a dashboard where I have few sections with small content and few sections with so ... the top. Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Express: How to pass app-instance to routes from a different file?

I want to split up my routes into different files, where one file contains all routes and the other one the ... the actions from the routes? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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http - RESTful Alternatives to DELETE Request Body

While the HTTP 1.1 spec seems to allow message bodies on DELETE requests, it seems to indicate that servers ... that I haven't considered? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Django Rest Framework with ChoiceField

I have a few fields in my user model that are choice fields and am trying to figure out how to best ... I'm doing something terribly wrong. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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jquery - How to get the class of the clicked element?

I can't figure it out how to get the class value of the clicked element. When I use the code bellow, I get "node- ... ="node-160"></li> </ul> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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file - How to get all of the immediate subdirectories in Python

I'm trying to write a simple Python script that will copy a index.tpl to index.html in all of the ... to get the list of subdirectories. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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444 views

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javascript - Can I execute a function after setState is finished updating?

I am very new to ReactJS (as in, just started today). I don't quite understand how setState works. I am ... ? Thanks for your time and help! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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What is let-* in Angular 2 templates?

I came across a strange assignment syntax inside an Angular 2 template. <template let-col let-car="rowData" ... let-something="something else"? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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