16892 Developer Q&A Community

asked Feb 5, 2021 in Others[杂七杂八] by ostack (1.4k points)

Welcome to Our Knowledge Sharing Community-Open, Learning,Share

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asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

Forbidden Attributes Error in Rails 4 when encountering a situation where one would have used attr_accessible in earlier versions of Rails

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190 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

Python the Hard Way - exercise 6 - %r versus %s

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asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

Iterate enum values using values() and valueOf in kotlin

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asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

c++11 - Making identical C++ type aliases incompatible

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asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

python - Why use Tornado and Flask together?

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asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

SQL Server - use columns from the main query in the subquery

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162 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

Python the Hard Way - exercise 6 - %r versus %s

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185 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

generics - Why was IEnumerable<T> made covariant in C# 4?

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205 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

sql - Stored Procedure with optional "WHERE" parameters

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167 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

Where is the Messages Window in Android Studio 3.1

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asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

python - Pandas Dataframe display on a webpage

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asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

language design - Why don't PHP attributes allow functions?

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120 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

kGAIScreenName of Google Analytics for iOS v3 is undeclared?

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134 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

asp.net - Last-Modified Header in MVC

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132 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

ruby - Using factory_girl in Rails with associations that have unique constraints. Getting duplicate errors

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asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

windows - creating batch script to unzip a file without additional zip tools

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asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

c# - Alphanumeric sorting using LINQ

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408 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

java - Dagger 2: @Component.Builder is missing setters for required modules or components: [appi.example.com.dagger.AppModule]`

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530 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

webpack - How do I build with watch enabled using angular-cli?

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380 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

c# - Convert String to Nullable DateTime

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133 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

Rails 3 Authentication: Authlogic vs Devise

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260 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

object - return an empty vector c++

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1.0k views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

object - return an empty vector c++

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784 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

android - Implementation of onScrollListener to detect the end of scrolling in a ListView

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129 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

android - ADB push multiple files with the same extension with a single command

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130 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

c# - System.Net.WebClient unreasonably slow

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148 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

iphone - drawRect not being called in my subclass of UIImageView

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298 views 1 answer

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

How to add any jar file in the Android studio?

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