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angular - how to fix [Object: null prototype] { title: 'product' }

I've started learning node.js with express framework , when I post a form like this : router.get('/add- ... .com/questions/56298481/how-to-fix-object-null-prototype-title-product...

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

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427 views

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python - In which order are pytest fixtures executed?

For an application I'm testing I'd like to create an autouse=True fixture which monkeypatches smtplib.SMTP. ... com/questions/25660064/in-which-order-are-pytest-fixtures-executed...

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

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247 views

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python - Getting the indices of several elements in a NumPy array at once

Is there any way to get the indices of several elements in a NumPy array at once? E.g. import numpy as np a ... /getting-the-indices-of-several-elements-in-a-numpy-array-at-once...

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

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304 views

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python - How can I get descriptive statistics of a NumPy array?

I use the following code to create a numpy-ndarray. The file has 9 columns. I explicitly type each column: ... /38583738/how-can-i-get-descriptive-statistics-of-a-numpy-array...

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

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417 views

1 answer

node.js - Can Visual Studio Code be configured to launch with nodemon

I have installed nodemon as a global package in my system. It works when I executed nodemon in cmd. But ... 34450175/can-visual-studio-code-be-configured-to-launch-with-nodemon...

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

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171 views

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ruby - cocoa pods install on iOS project not working

I have a react native project and want to install cocoa pods for iOS native specifics but the instal fails, ... /questions/51768515/cocoa-pods-install-on-ios-project-not-working...

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

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275 views

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react native - Inline elements implementation

I want to create Text components and to display them in a row , like span elements in html. If ... from:https://stackoverflow.com/questions/34704882/inline-elements-implementation...

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

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56 views

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python - Write and read a list from file

This is a slightly weird request but I am looking for a way to write a list to file and then read it back ... //stackoverflow.com/questions/17225287/write-and-read-a-list-from-file...

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

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119 views

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How to write negative loop in ruby like for(i=index; i >= 0; i --)

How can I write a loop in Ruby that counts down, similar to the following C-style for loop? for (i = 25; i >= ... /8926477/how-to-write-negative-loop-in-ruby-like-fori-index-i-0-i...

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

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284 views

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Rspec + Capybara : How to click on alert box

I have gone through the post of capybara + click on alert box but nothing seems to be work. Following is my ... .com/questions/6922241/rspec-capybara-how-to-click-on-alert-box...

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

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130 views

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Suggestions for Python debugging tools?

(Closed.) This question does not meet Stack Overflow guidelines. It is not currently accepting answers ... stackoverflow.com/questions/477193/suggestions-for-python-debugging-tools...

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

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211 views

1 answer

Proguard causing runtime exception with Android Navigation Component

I'm experiencing this crash when using proguard after integrating the NavigationComponent (android.arch. ... proguard-causing-runtime-exception-with-android-navigation-component...

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

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97 views

1 answer

javascript - Checking if a html5 video is ready

is there an JavaScript event triggered, if a HTML5 video is ready for playback? question from:https://stackoverflow.com/questions/5181865/checking-if-a-html5-video-is-ready...

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

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626 views

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rust - How to execute cargo test using the nightly channel?

I'm trying to run my tests with nightly Rust using Windows Powershell. I run cargo test in the directory, ... questions/48593858/how-to-execute-cargo-test-using-the-nightly-channel...

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

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309 views

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java - Is there an implementation of JSR-303 (bean validation) available?

I know there are non-standard frameworks such as commons-validator, and hibernate validator. I wanted to know if ... is-there-an-implementation-of-jsr-303-bean-validation-available...

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

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220 views

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Add all unversioned files to SVN

I have a working copy that gets automatically committed into SVN overnight using a script. I use the SVN ... /stackoverflow.com/questions/1598968/add-all-unversioned-files-to-svn...

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

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213 views

1 answer

python - How would I package and sell a Django app?

Currently I am hosting a Django app I developed myself for my clients, but I am now starting to look at selling ... com/questions/164901/how-would-i-package-and-sell-a-django-app...

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

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181 views

1 answer

python - Pandas dataframe to json without index

I'm trying to take a dataframe and transform it into a partcular json format. Here's my dataframe ... /stackoverflow.com/questions/28590663/pandas-dataframe-to-json-without-index...

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

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221 views

1 answer

c++ - Why is sizeof(std::string) only eight bytes?

Why is std::string's size, as determined by sizeof(std::string), yield 8? I thought it should be ... ://stackoverflow.com/questions/34560502/why-is-sizeofstdstring-only-eight-bytes...

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

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1.1k views

1 answer

cmake - What are CMAKE_BUILD_TYPE: Debug, Release, RelWithDebInfo and MinSizeRel?

From the docs page: CMAKE_BUILD_TYPE Specifies the build type on single-configuration generators. This statically ... -cmake-build-type-debug-release-relwithdebinfo-and-minsizerel...

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

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117 views

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python - What is difference between os.getuid() and os.geteuid()?

The documentation for os.getuid() says: Return the current process's user id. And of os.geteuid() says: ... /questions/14950378/what-is-difference-between-os-getuid-and-os-geteuid...

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

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407 views

1 answer

go - What happens if I don't cancel a Context?

I have the following code: func Call(ctx context.Context, payload Payload) (Response, error) { req, err := http ... .com/questions/44393995/what-happens-if-i-dont-cancel-a-context...

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

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318 views

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Use screen.width inside calc (css)

Is there a was of using screen.width inside calc? Something like this: left: calc(250px + screen.width - ... //stackoverflow.com/questions/45591449/use-screen-width-inside-calc-css...

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

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363 views

1 answer

php - Laravel: Access Model instance in Form Request when using Route/Model binding

I have some route/model binding set up in my project for one of my models, and that works just fine. I ... -access-model-instance-in-form-request-when-using-route-model-binding...

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

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124 views

1 answer

javascript - how to navigate from one page to another in react js?

I have two components. In first component I have one button. On click of button I want to navigate to another component ... /how-to-navigate-from-one-page-to-another-in-react-js...

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

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311 views

1 answer

python - sqlalchemy simple example of `sum`, `average`, `min`, `max`

For sqlalchemy, Who can gently give simple examples of SQL functions like sum, average, min, max, for a ... com/questions/11830980/sqlalchemy-simple-example-of-sum-average-min-max...

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

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269 views

1 answer

reactjs - Why do people put { " " } in their React / JSX?

I have this in some React documentation, as well as screencasts. People will write { " " } inside of their JSX ... .com/questions/38547558/why-do-people-put-in-their-react-jsx...

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

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204 views

1 answer

python - What is the difference between C.UTF-8 and en_US.UTF-8 locales?

I'm migrating a python application from an ubuntu server with locale en_US.UTF-8 to a new debian server which comes with ... the-difference-between-c-utf-8-and-en-us-utf-8-locales...

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

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