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coding style - What is the motivation behind static polymorphism in C++?

I understand the mechanics of static polymorphism using the Curiously Recurring Template Pattern. I just do not ... /what-is-the-motivation-behind-static-polymorphism-in-c...

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

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128 views

1 answer

c++ - Confusion about threads launched by std::async with std::launch::async parameter

I am a little bit confused about the std::async function. The specification says: asynchronous ... confusion-about-threads-launched-by-stdasync-with-stdlaunchasync-parameter...

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

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446 views

1 answer

JQuery error during load "Failed to execute query: '*,:x' is not a valid selector."

I am trying to debug an application and I can't start because I am getting an error as the browser is loading ... during-load-failed-to-execute-query-x-is-not-a-valid-selecto...

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

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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)

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269 views

1 answer

android - Google maps SDK with new Intel Atom x86 emulator

Is there any way, how to get new x86 image for Android emulator working with Google Maps SDK? question from: ... questions/9857325/google-maps-sdk-with-new-intel-atom-x86-emulator...

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

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105 views

1 answer

c# - ASP.NET MVC Redirect with model

I currently have a method in my controller which accepts a form collection, saves the data, and then ... stackoverflow.com/questions/4013695/asp-net-mvc-redirect-with-model...

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

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243 views

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What's the "DNS_BLOCK_ASSERTIONS" (C compiler flag)?

What's the "DNS_BLOCK_ASSERTIONS" (C compiler flag)? question from:https://stackoverflow.com/questions/2752574/whats-the-dns-block-assertions-c-compiler-flag...

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

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235 views

1 answer

android - Google Play Console - How remove an update of published application

i'm desperate. I published the wrong update for an app on the play store by the new Play Developer ... 48191631/google-play-console-how-remove-an-update-of-published-application...

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

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198 views

1 answer

php - vs. PHP_EOL vs. <br>?

In most cases, as for one interactive website, when we output multiple lines of contents to web client browser, in my ... ://stackoverflow.com/questions/21373478/n-vs-php-eol-vs-br...

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

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251 views

1 answer

scala - Difference Await.ready and Await.result

I know this is quite an open ended question and I apologize. I can see that Await.ready returns ... /stackoverflow.com/questions/41170280/difference-await-ready-and-await-result...

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

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290 views

1 answer

C error: Expected expression before int

When I tried the following code I get the error mentioned. if(a==1) int b =10; But the following ... ://stackoverflow.com/questions/22419790/c-error-expected-expression-before-int...

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

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207 views

1 answer

Adding /etc/hosts entry to host machine on vagrant up

Is it possible for one to modify files on the host machine during the vagrant up process? For example, adding an ... /16624905/adding-etc-hosts-entry-to-host-machine-on-vagrant-up...

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

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111 views

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Equivalent in C++ of Yield in C#?

public void Consumer() { foreach(int i in Integers()) { Console.WriteLine(i.ToString()); } } public ... /stackoverflow.com/questions/7213839/equivalent-in-c-of-yield-in-c...

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

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240 views

1 answer

java - Why are Byte.compare() and Integer.compare() implemented differently?

I am studying the source of the OpenJDK. My attention was attracted by the methods Byte.compare() and ... 19924044/why-are-byte-compare-and-integer-compare-implemented-differently...

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

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203 views

1 answer

objective c - XCTAssertEqual error: ("3") is not equal to ("3")

NSMutableArray *arr = [NSMutableArray array]; [arr addObject:@"1"]; [arr addObject:@"2"]; [arr addObject:@" ... .com/questions/19178109/xctassertequal-error-3-is-not-equal-to-3...

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

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176 views

1 answer

android - Access to Google API - GoogleAccountCredential.usingOAuth2 vs GoogleAuthUtil.getToken()

Lately, I have been working a lot with Google APIs on Android especially Analytics, AdSense and ... access-to-google-api-googleaccountcredential-usingoauth2-vs-googleauthutil-get...

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

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379 views

1 answer

passwords - C# - compare two SecureStrings for equality

I have a WPF application with two PasswordBoxes, one for the password and another for the password to be ... .com/questions/4502676/c-sharp-compare-two-securestrings-for-equality...

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

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815 views

1 answer

python - Django Models (1054, "Unknown column in 'field list'")

No idea why this error is popping up. Here are the models I created - from django.db import models from ... .com/questions/3787237/django-models-1054-unknown-column-in-field-list...

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

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307 views

1 answer

java - getClass().getClassLoader() is null, why?

I've got some code that calls.. x = getClass().getClassLoader(); This returns null though. When I ... ://stackoverflow.com/questions/1921238/getclass-getclassloader-is-null-why...

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

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194 views

1 answer

performance - B trees vs binary trees

If I am implementing in-memory(RAM) search operation with b trees, then would it be better in terms of ... https://stackoverflow.com/questions/6211118/b-trees-vs-binary-trees...

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

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119 views

1 answer

How do I sort a PHP array by an element nested inside?

I have an array like the following: Array ( [0] => Array ( 'name' => "Friday" 'weight' => 6 ) [1] => ... com/questions/3701855/how-do-i-sort-a-php-array-by-an-element-nested-inside...

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

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785 views

1 answer

algorithm - 7 Card Poker Hand Evaluator

Does anyone know a fast algorithm for evaluating 7 card poker hands? Something which is more efficient than ... //stackoverflow.com/questions/2829883/7-card-poker-hand-evaluator...

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

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631 views

1 answer

uml - How to Generate a Sequence Diagram from Java Source Code

I have a question about generating sequence diagram from Java source code. When I googled I saw someone told to ... /how-to-generate-a-sequence-diagram-from-java-source-code...

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

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137 views

1 answer

c# - Why does the property I want to mock need to be virtual?

I'm doing some unit testing, and mocking some properties using Moq. Now, this is a Controller test (ASP.NET MVC 3). ... /why-does-the-property-i-want-to-mock-need-to-be-virtual...

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

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222 views

1 answer

c# - Why are short null values converted to int null values for comparing with null?

When I compare nullable short values, the compiler converts them first to integer to make a compare with null. For ... -values-converted-to-int-null-values-for-comparing-with-null...

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

0 votes

678 views

1 answer

python - Beautiful Soup cannot find a CSS class if the object has other classes, too

if a page has <div class="class1"> and <p class="class1">, then soup.findAll(True, 'class1') will find them ... -soup-cannot-find-a-css-class-if-the-object-has-other-classes-too...

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

0 votes

254 views

1 answer

When do I use 'use' and 'loader' in Webpack 2 module.rules?

I am upgrading my current project to Webpack2, which it was using Webpack1 prior. I have looked into a couple tutorials about ... -do-i-use-use-and-loader-in-webpack-2-module-rules...

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

0 votes

240 views

1 answer

asp.net mvc - How to pass model to partial view

I have two view models: public class ParentViewModel { public Id { get; set; } ..... public ... stackoverflow.com/questions/21172595/how-to-pass-model-to-partial-view...

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

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