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c++ - What library does ld option -lrt refer to (Bionic libc)?

What does this option to ld mean? -lrt I know to some degree it means that ld is looking for the library ... questions/6754032/what-library-does-ld-option-lrt-refer-to-bionic-libc...

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activerecord - Rails idiom to avoid duplicates in has_many :through

I have a standard many-to-many relationship between users and roles in my Rails app: class User < ActiveRecord: ... /1315109/rails-idiom-to-avoid-duplicates-in-has-many-through...

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c++ - What happens to unique_ptr after std::move()?

This code is what I want to do: Tony& Movie::addTony() { Tony *newTony = new Tony; std:: ... /stackoverflow.com/questions/36071220/what-happens-to-unique-ptr-after-stdmove...

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

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Are there multiline comment delimiters in SQL that are vendor agnostic?

While editing, building up, or cherry picking from SQL statements I can find myself interacting with one of ... there-multiline-comment-delimiters-in-sql-that-are-vendor-agnostic...

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

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Is there CSS for typesetting the LaTeX logo in HTML?

I'm looking for css equivalent to the LaTeX macro that will produce a beautifully typeset LaTeX logo within an HTML ... 8160514/is-there-css-for-typesetting-the-latex-logo-in-html...

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

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Comparing XML in a unit test in Python

I have an object that can build itself from an XML string, and write itself out to an XML string. I'd ... stackoverflow.com/questions/321795/comparing-xml-in-a-unit-test-in-python...

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SQL Server : converting varchar to INT

I am stuck on converting a varchar column UserID to INT. I know, please don't ask why this UserID ... //stackoverflow.com/questions/15977911/sql-server-converting-varchar-to-int...

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

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java - How to specify validation group for @Valid?

I get so parameters in @Controller @RequestMapping method: @ModelAttribute("myCandidate") @Valid Candidate myCandidate, ... /18911154/how-to-specify-validation-group-for-valid...

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c++ - How do I generate thread-safe uniform random numbers?

My program needs to generate many random integers in some range (int min, int max). Each call will have ... questions/21237905/how-do-i-generate-thread-safe-uniform-random-numbers...

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

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c# - Constructor injection with Quartz.NET and Simple Injector

Currently I am writing a service using Quartz.NET to schedule the running of it. I was wondering if ... questions/14562176/constructor-injection-with-quartz-net-and-simple-injector...

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

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git - Push from github to heroku without downloading repo

I have a github repo that I want to push to a heroku node. A 3rd host will be co-ordinating this. ... .com/questions/3324586/push-from-github-to-heroku-without-downloading-repo...

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

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Comparing XML in a unit test in Python

I have an object that can build itself from an XML string, and write itself out to an XML string. I'd ... stackoverflow.com/questions/321795/comparing-xml-in-a-unit-test-in-python...

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

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python - How to get tkinter canvas to dynamically resize to window width?

I need to get a canvas in tkinter to set its width to the width of the window, and then dynamically re- ... 22835289/how-to-get-tkinter-canvas-to-dynamically-resize-to-window-width...

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

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c++ - std::atomic | compare_exchange_weak vs. compare_exchange_strong

I'm unsure if it's me not understanding or the documentation isn't clearly formulated. The following ... /4944771/stdatomic-compare-exchange-weak-vs-compare-exchange-strong...

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

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r - Is there a vectorized parallel max() and min()?

I have a data.frame with columns "a" and "b". I want to add columns called "high" and "low" that ... /stackoverflow.com/questions/5591593/is-there-a-vectorized-parallel-max-and-min...

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

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entity framework - What is the purpose of .edmx files?

What is the purpose of .edmx files? Reading the CSDL, SSDL, and MSL specifications, it looks to me like . ... /stackoverflow.com/questions/4941892/what-is-the-purpose-of-edmx-files...

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

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Best way to model Graph data in postgresql

(Closed). This question is opinion-based. It is not currently accepting answers. question from:https:// ... questions/20776718/best-way-to-model-graph-data-in-postgresql...

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

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dynamic - How do you create and load modules dynamically at runtime in Elixir, or Erlang?

The basic scenario is this: I need to load text from a database, and then turn that text into an Elixir ... -create-and-load-modules-dynamically-at-runtime-in-elixir-or-erlang...

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

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uiview - Xcode 7 what is the view "semantic" storyboard setting?

I see that iOS9 and xCode7 introduced a new field called "semantic" into storyboard config. A google search did ... /32634774/xcode-7-what-is-the-view-semantic-storyboard-setting...

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

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Is there a search history in Intellij IDEA?

A feature that I used a lot in Eclipse is the Search History, which remembers searches you performed in the ... com/questions/10363740/is-there-a-search-history-in-intellij-idea...

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

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java - Differences between classpath and sourcepath options of javac

I read the Sun documentation and a lot of posts on Stack Overflow, but I'm still confused about ... questions/2441760/differences-between-classpath-and-sourcepath-options-of-javac...

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

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go - Difference between http and default servemux?

What's the difference between this: func main() { http.HandleFunc("/page2", Page2) http.HandleFunc ... .com/questions/36921190/difference-between-http-and-default-servemux...

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c++ - Alias template specialisation

Can alias templates (14.5.7) be explicitly specialised (14.7.3)? My standard-fu fails me, and ... from:https://stackoverflow.com/questions/6622452/alias-template-specialisation...

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

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.net - How to read and write ID3 tags to an MP3 in C#?

(Closed.) This question does not meet Stack Overflow guidelines. It is not currently accepting answers. question from:https:// ... -to-read-and-write-id3-tags-to-an-mp3-in-c...

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

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java - Tomcat doesn't stop. How can I debug this?

I have a Tomcat 7 running in Linux that I start via $CATALINA_HOME/bin/startup.sh and shutdown via $CATALINA_HOME/bin ... /questions/9971876/tomcat-doesnt-stop-how-can-i-debug-this...

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java - How to override/extend an inner class from a subclass?

I want to change how a method of a class executes without overriding the method, and only overriding (or ideally ... 7588091/how-to-override-extend-an-inner-class-from-a-subclass...

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

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core data - What is coredata equivalent for android

I used to program for iPhone. But then I want to make another similar program in Android. Well, ... /stackoverflow.com/questions/11046258/what-is-coredata-equivalent-for-android...

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

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java - How to build a list of classes annotated with my custom annotation?

I want to get a complete list of classes in the application which are annotated with @Custom annotation. What is ... to-build-a-list-of-classes-annotated-with-my-custom-annotation...

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

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