OStack Q&A-Knowledge Sharing Community

0 votes

244 views

1 answer

sql - How to delete rows in tables that contain foreign keys to other tables

Suppose there is a main table containing a primary key and there is another table which contains a foreign key to ... -rows-in-tables-that-contain-foreign-keys-to-other-tables...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

207 views

1 answer

debugging - Angular 2 Errors and Typescript - how to debug?

I've just started a project to learn Angular2 and Typescript+Javascript. I come from a Java background and my ... /questions/34583073/angular-2-errors-and-typescript-how-to-debug...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

747 views

1 answer

razor - ASP.NET MVC 4 - for loop posts model collection properties but foreach does not

Say I have the following models: public class Person { public string Name { get; set; } public int Age { ... mvc-4-for-loop-posts-model-collection-properties-but-foreach-does-not...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

114 views

1 answer

vue.js - Comparison between Bootstrap-Vue and Bootstrap 4

I have used Vuejs for developing my frontend and now I have to style it. I came across Bootstrap-vue ... .com/questions/50127800/comparison-between-bootstrap-vue-and-bootstrap-4...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

217 views

1 answer

Enabling brand icon in `cardNumber` type element in Stripe

When using Stripe elements, is there a way to not use the card element, but still get the auto brand ... questions/42262887/enabling-brand-icon-in-cardnumber-type-element-in-stripe...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

372 views

1 answer

HTTP status code for bad data

What HTTP status code should I return when a client posts bad data (e.g. a string when integer was expected ... ://stackoverflow.com/questions/1364527/http-status-code-for-bad-data...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

418 views

1 answer

javascript - window.history.pushState refreshing the browser

I am working on some javascript code, and using window.History.pushState to load new HTML pages, instead ... .com/questions/24307401/window-history-pushstate-refreshing-the-browser...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

98 views

1 answer

Builder design pattern: Why do we need a Director?

Recently I've come across the Builder design pattern. It seems that different authors use "Builder pattern" to refer ... /4313172/builder-design-pattern-why-do-we-need-a-director...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

222 views

1 answer

javascript - Bluebird, promises and then()

I've been only using bluebird for a few days but I want to go over all my old code and promisify ... from:https://stackoverflow.com/questions/21298190/bluebird-promises-and-then...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

478 views

1 answer

java - Solving Maven dependency convergence issues

I use the maven-enforcer-plugin to check for dependency convergence issues. A typical output would ... .com/questions/16100315/solving-maven-dependency-convergence-issues...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

553 views

1 answer

sbt - Compilation failed: error while loading AnnotatedElement, ConcurrentMap, CharSequence from Java 8 under Scala 2.10?

I'm using the following: Scala 2.10.4 Scalatra 2.2.2 sbt 0.13.0 java 1.8.0 ... com/questions/24197836/compilation-failed-error-while-loading-annotatedelement-concurrentmap-charseq...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

183 views

1 answer

c++ - Why is sizeof(BaseClass) == sizeof(DerivedClass) although I add a member

From the code below sizeof(Base) == 24 and sizeof(Derived) == 24. Why are their sizes equal? ... /21220774/why-is-sizeofbaseclass-sizeofderivedclass-although-i-add-a-member...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

299 views

1 answer

Can I declare that a php function throws an exception?

Can I declare a function in php that throws an exception? For example: public function read($b, $off, $len) ... /3325294/can-i-declare-that-a-php-function-throws-an-exception...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

101 views

1 answer

java - Can @FunctionalInterfaces have default methods?

Why can't I create a @FunctionalInterface with a default method implementation? @FunctionalInterface public ... /questions/30165060/can-functionalinterfaces-have-default-methods...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

485 views

1 answer

android - Suspend function 'callGetApi' should be called only from a coroutine or another suspend function

I am calling suspended function from onCreate(...) override fun onCreate(savedInstanceState: Bundle?) { ... ... ... -callgetapi-should-be-called-only-from-a-coroutine-or-another...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

207 views

1 answer

c# - Exactly what is PLINQ?

PLINQ was added in the .NET 4.0 Framework as an extension to LINQ. What is it? What problems does it ... from:https://stackoverflow.com/questions/1663022/exactly-what-is-plinq...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

738 views

1 answer

How to save Leaflet in R map as png or jpg file?

I'm using Leaflet package to create maps in R. It works perfectly. I can export maps in R with simply Export, but I ... /31336898/how-to-save-leaflet-in-r-map-as-png-or-jpg-file...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

399 views

1 answer

wpf - DependencyProperty.Register() or .RegisterAttached()

What's the difference between the two, when should RegisterAttached() be used instead of . ... /stackoverflow.com/questions/910579/dependencyproperty-register-or-registerattached...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

182 views

1 answer

ng-bind equivalent in Angular

I've used ng-bind in angularjs like this <div ng-bind="getVal()"></div> where getVal() return some ... :https://stackoverflow.com/questions/34784448/ng-bind-equivalent-in-angular...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

143 views

1 answer

c# - Stop default Autocomplete behavior when hitting spacebar in Visual Studio 2015

NOTE The keyword here is "default". I know I can hit escape and the default behavior gets aborted. I ... -default-autocomplete-behavior-when-hitting-spacebar-in-visual-studio-2015...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

349 views

1 answer

reporting services - how do I reference a text box value in an expression? SSRS

I have a list and inside this list I have a text box. Since it's a list, the text box value changes for each ... /32256498/how-do-i-reference-a-text-box-value-in-an-expression-ssrs...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

354 views

1 answer

graph - What is the algorithm to create colors for a heatmap?

Assuming values are normalized from 0 to 1, what is the algoritm to get a color to create a heatmap like this? ... /12875486/what-is-the-algorithm-to-create-colors-for-a-heatmap...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

176 views

1 answer

How can I implement Rust's Copy trait?

I am trying to initialise an array of structs in Rust: enum Direction { North, East, South, West, } ... /stackoverflow.com/questions/35458562/how-can-i-implement-rusts-copy-trait...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

209 views

1 answer

Where is svn.exe for TortoiseSVN?

(This question already has answers here): question from:https://stackoverflow.com/questions/7912169/where-is-svn-exe-for-tortoisesvn...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

136 views

1 answer

Will Javascript ES6 promise support 'done' api?

For example p = new Promise(function (resolve, reject) { throw 'err'; }); p.done(); In most ... //stackoverflow.com/questions/26667598/will-javascript-es6-promise-support-done-api...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

245 views

1 answer

bash - How do I check if a folder has contents?

(This question already has answers here): question from:https://stackoverflow.com/questions/20456666/how-do-i-check-if-a-folder-has-contents...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

374 views

1 answer

html - Disable html5 video autoplay

How can I disable html5 video autoplay? what I've tried: <video width="640" height="480" controls= ... :https://stackoverflow.com/questions/19664622/disable-html5-video-autoplay...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

342 views

1 answer

r - Force no default selection in selectInput()

The Shiny documentation mentions that for selectInput(): selected The value (or, if none was supplied, the ... .com/questions/24175997/force-no-default-selection-in-selectinput...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

Categories

Recent questions

Just Browsing Browsing

Most popular tags