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entity framework - What is the best practice in EF Core for using parallel async calls with an Injected DbContext?

I have a .NET Core 1.1 API with EF Core 1.1 and using Microsoft's vanilla setup of using Dependency Injection ... -practice-in-ef-core-for-using-parallel-async-calls-with-an-inje...

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

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r - Increasing area around plot area in ggplot2

(This question already has an answer here): question from:https://stackoverflow.com/questions/18252827/increasing-area-around-plot-area-in-ggplot2...

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build - Compiling Common Lisp to an executable

I recently started learning Common Lisp using SBCL. How can I compile my Lisp programs into a Windows ... .com/questions/14171849/compiling-common-lisp-to-an-executable...

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

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entity framework - Run Code First Migration Seed Method without a migration

How do you run a code first entity framework migration without changing anything in the datamodel which would cause ... /run-code-first-migration-seed-method-without-a-migration...

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

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asp.net - Setting Response.Status Generates "HTTP Status String is Not Valid" Exception

I'm writing an HTTP handler in ASP.NET 4.0 and IIS7 and I need to generate a file-not-found ... /setting-response-status-generates-http-status-string-is-not-valid-exception...

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

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How to make git clone faster with multiple threads?

My internet speed to github was never fast, and it's lingering at 50kb/s (my internet speed is 20mbit ... questions/26957237/how-to-make-git-clone-faster-with-multiple-threads...

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r - figure captions, references using knitr and markdown to html

I'm writing an Rmd file, to be processed by knitr into HTML. It contains some R chunks that generate ... /13848137/figure-captions-references-using-knitr-and-markdown-to-html...

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Delphi - Why does ExplicitWidth and ExplicitHeight keep appearing in .DFM files and what is it?

We've noticed that when checking in updates, our .DFM files have added ExplicitWidth and ExplicitHeight ... does-explicitwidth-and-explicitheight-keep-appearing-in-dfm-files...

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What's the reason why Django has SmallIntegerField?

I'm wonder why it's provided. The field is database dependent, doesn't that make it totally unreliable ... .com/questions/1516610/whats-the-reason-why-django-has-smallintegerfield...

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

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Change color when hover a font awesome icon?

Base in the Font Awesome documentation I create this icon: <span class="fa-stack fa-5x"> <i class="fa ... .com/questions/25770590/change-color-when-hover-a-font-awesome-icon...

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

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c# - Need a smaller alternative to GUID for DB ID but still unique and random for URL

I have looked all of the place for this and I can't seem to get a complete answer for this. So if the answer ... -alternative-to-guid-for-db-id-but-still-unique-and-random-for-url...

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Crop image in android

I want to do cropping of image i found some pretty useful ones but somehow is like lacking of the darken ... from:https://stackoverflow.com/questions/15228812/crop-image-in-android...

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How to create own database in redis?

There are 0 to 15 databases in redis. I want to create my own database using redis-cli. Is there any ... /stackoverflow.com/questions/35621324/how-to-create-own-database-in-redis...

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Is there a Python module for converting RTF to plain text?

(Closed.) This question does not meet Stack Overflow guidelines. It is not currently accepting answers. question from: ... -there-a-python-module-for-converting-rtf-to-plain-text...

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

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ios - Xcode 4 build succeeds, command line build fails?

I have a project in Xcode 4 (the latest non-beta version) that builds fine when built in Xcode itself. ... .com/questions/6653188/xcode-4-build-succeeds-command-line-build-fails...

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r - figure captions, references using knitr and markdown to html

I'm writing an Rmd file, to be processed by knitr into HTML. It contains some R chunks that generate ... /13848137/figure-captions-references-using-knitr-and-markdown-to-html...

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

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java - Which version of hibernate support jpa 2.1?

Currently I am using JPA 2.0 with hibernate 3.6 . I tried to search but couldn't find, can anyone ... .com/questions/14558931/which-version-of-hibernate-support-jpa-2-1...

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Recommendation for python form validation library

question from:https://stackoverflow.com/questions/3192747/recommendation-for-python-form-validation-library...

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html - CSS Background Image Not Displaying

I have an HTML file with a subdirectory called img with an image called debut_dark.png. In my CSS ... ://stackoverflow.com/questions/14029277/css-background-image-not-displaying...

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c++ - How do I initialize a stl vector of objects who themselves have non-trivial constructors?

suppose I have the following class: class MyInteger { private: int n_; public: MyInteger(int n) : n_(n) { ... -a-stl-vector-of-objects-who-themselves-have-non-trivial-cons...

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r - Add objects to package namespace

I'd like to push a function inside a package namespace so it can access internal objects of that package ... ://stackoverflow.com/questions/3094232/add-objects-to-package-namespace...

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bash -x command

I saw a client doing $bash -x command to see if the file is executable (or ksh -x command, etc.) ... ! question from:https://stackoverflow.com/questions/10107124/bash-x-command...

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How to search any word in linux 'screen'

I am going screen logs of devstack with following command. screen -x stack I find searching in screens very difficult ... /questions/22645066/how-to-search-any-word-in-linux-screen...

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Why does C++ allow unnamed function parameters?

The following is a perfectly legal C++ code void foo (int) { cout << "Yo!" << endl; } int ... ://stackoverflow.com/questions/12186698/why-does-c-allow-unnamed-function-parameters...

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How can I make homebrew's python and pyenv live together?

After switching to python 3.4.3 from 2.7.9 (which was quite simple), I often wish to test some of my ... /questions/30499795/how-can-i-make-homebrews-python-and-pyenv-live-together...

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android - Where should 'app:layout_behavior' be set?

Should it be set at the AppBarLayout sibling's parent or at the first Scrollable View inside its sibling ... .com/questions/35181299/where-should-applayout-behavior-be-set...

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

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php - Message: Trying to access array offset on value of type null

(This question already has answers here): question from:https://stackoverflow.com/questions/59336951/message-trying-to-access-array-offset-on-value-of-type-null...

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What are the key differences between JavaScript and ActionScript 3?

I know both languages are from the same ECMA-262 standard. It seems that the two are becoming very similar ... /what-are-the-key-differences-between-javascript-and-actionscript-3...

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

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