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c# - How do you read a simple value out of some json using System.Text.Json?

I have this json {"id":"48e86841-f62c-42c9-ae20-b54ba8c35d6d"} How do I get the 48e86841-f62c-42c9-ae20-b54ba8c35d6d ... read-a-simple-value-out-of-some-json-using-system-text-json...

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

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424 views

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Severe performance drop with MongoDB Change Streams

I want to get real-time updates about MongoDB database changes in Node.js. A single MongoDB change ... com/questions/48411897/severe-performance-drop-with-mongodb-change-streams...

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

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462 views

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domain driven design - Relation between command handlers, aggregates, the repository and the event store in CQRS

I'd like to understand some details of the relations between command handlers, aggregates, the repository and the ... -command-handlers-aggregates-the-repository-and-the-event-stor...

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

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296 views

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Eclipse import project error, overlaps workspace location

I have a big project that I want to import to Eclipse, but everytime I do that I get: Invalid ... .com/questions/6594084/eclipse-import-project-error-overlaps-workspace-location...

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

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94 views

1 answer

How to make an android app return to the last open activity when relaunched?

Is it possible to configure an android app so that if a user has opened your app, launched numerous activities, ... an-android-app-return-to-the-last-open-activity-when-relaunched...

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

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cocoa - Xcode 6.1: file was built for x86_64 which is not the architecture being linked (i386)

I've created a Swift framework project for util/extensions that compiles and copies a .framework file to a dedicated ... -for-x86-64-which-is-not-the-architecture-being-linked...

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

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python - What's the correct way to check if an object is a typing.Generic?

I'm trying to write code that validates type hints, and in order to do so I have to find out what kind of object ... whats-the-correct-way-to-check-if-an-object-is-a-typing-generic...

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

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Database choice for large data volume?

I'm about to start a new project which should have a rather large database. The number of tables will ... /stackoverflow.com/questions/629445/database-choice-for-large-data-volume...

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

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SQL Server Express 2008 Install Side-by-side w/ SQL 2005 Express Fails

When I try to install a new instance of SQL Server 2008 Express on a development machine with SQL 2005 Express ... express-2008-install-side-by-side-w-sql-2005-express-fails...

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

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284 views

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shell - How to resume screen?

Let's say I have many screens open, and I would like to resume to a particular screen session using ' ... from:https://stackoverflow.com/questions/18528430/how-to-resume-screen...

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

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692 views

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angular - how to stop ngOnChanges Called before ngOnInit()

In my angular application, i came up with a situation where ngOnchanges should only be called when the ... com/questions/43111474/how-to-stop-ngonchanges-called-before-ngoninit...

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

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315 views

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ios - SwiftUI 2.0 CoreData issues with new project - 'Cannot find type 'Item' in scope'

[EDIT] I was hoping that Apple would have fixed what is obviously a bug. The solution is to clear the cache, ... 0-coredata-issues-with-new-project-cannot-find-type-item-in-scope...

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

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347 views

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ssh - How to move a running process to background (UNIX)

I have a terminal connected to an external machine through ssh and have a process running in it. Is it ... questions/46283647/how-to-move-a-running-process-to-background-unix...

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

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108 views

1 answer

php - What does the "[^][]" regex mean?

I found it in the following regex: [(?:[^][]|(?R))*] It matches square brackets (with their content) ... from:https://stackoverflow.com/questions/17845014/what-does-the-regex-mean...

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

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320 views

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c++11 - Is "enum class" a class type in C++?

I read about enumeration declaration in C++ using cppreference. Then I have made Enum class and check whether it is a ... .com/questions/46401502/is-enum-class-a-class-type-in-c...

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

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196 views

1 answer

Rails: Render a View (not a partial) From Within a View

I have a controller that responds to both html and js. The html view renders the whole page (including the header and ... /rails-render-a-view-not-a-partial-from-within-a-view...

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

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106 views

1 answer

What's an alternative for DTrace on Linux?

(Closed.) This question does not meet Stack Overflow guidelines. It is not currently accepting answers. question ... com/questions/2059311/whats-an-alternative-for-dtrace-on-linux...

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

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348 views

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ASP.NET MVC Editor-Templates/UIHint with parameters

I've been using Editor-Templates in the past like this, by applying the following data annotation: [UIHint ... questions/9681107/asp-net-mvc-editor-templates-uihint-with-parameters...

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

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1 answer

sql - How to rotate a table 45 degrees and save the result into another table?

I have a table. --------- | a | b | --------- | a | b | --------- I want to rotate ... com/questions/5126592/how-to-rotate-a-table-45-degrees-and-save-the-result-into-another-table...

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

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273 views

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android - How to delete an app from adb without knowing it's package name?

I can delete apps (that I code myself and install through the SDK) using this command: adb uninstall com.company. ... -to-delete-an-app-from-adb-without-knowing-its-package-name...

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

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366 views

1 answer

How to draw a surface plot without black edges in MATLAB?

The black lines are awful, how can I get rid of them? I want only the colored surfaces. question from:https:// ... /433312/how-to-draw-a-surface-plot-without-black-edges-in-matlab...

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

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241 views

1 answer

c++ - Why is the sign different after subtracting unsigned and signed?

unsigned int t = 10; int d = 16; float c = t - d; int e = t - d; Why is the value ... .com/questions/52754505/why-is-the-sign-different-after-subtracting-unsigned-and-signed...

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

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179 views

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angular - Storing injector instance for use in components

Before RC5 I was using appref injector as a service locator like this: Startup.ts bootstrap(...) .then( ... .com/questions/39409328/storing-injector-instance-for-use-in-components...

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

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271 views

1 answer

visual studio - Can I change the width of the Solution Configuration combobox in the IDE?

Can I increase the width of the Solution Configuration combobox of MS Visual Studio IDE? I want to see the ... change-the-width-of-the-solution-configuration-combobox-in-the-ide...

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

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261 views

1 answer

visual studio - change the name of output dll

I am working on .net 1.1 legacy system and need to change the name of outputted dll. When I go to ... https://stackoverflow.com/questions/6739633/change-the-name-of-output-dll...

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

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422 views

1 answer

postgresql - Postgres query optimization (forcing an index scan)

Below is my query. I am trying to get it to use an index scan, but it will only seq scan ... /stackoverflow.com/questions/14554302/postgres-query-optimization-forcing-an-index-scan...

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

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259 views

1 answer

android - When is FragmentPagerAdapter's getItem called?

I'm writing an application that uses the FragmentPagerAdapter. The fragments in the adapter need to ... .com/questions/19339500/when-is-fragmentpageradapters-getitem-called...

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

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100 views

1 answer

sql - Select rows where column is null

How do you write a SELECT statement that only returns rows where the value for a certain column is null? ... //stackoverflow.com/questions/3369041/select-rows-where-column-is-null...

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

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