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212 views

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reactjs - How to rerun useEffect when page is visible?

A react app using hooks. In useEffect there is an api-call to populate content on page. Each element fetched ... com/questions/65647295/how-to-rerun-useeffect-when-page-is-visible...

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

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320 views

1 answer

Tensorflow tf.data.Dataset core dump error when downloading mnist data set

Versions: TensorFlow version = 2.4.0 Tensorflow-dataset version = 4.2.0 Code: import tensorflow as tf import ... tf-data-dataset-core-dump-error-when-downloading-mnist-data-set...

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

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586 views

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matrix - Tried taking single char, printing the signs directly and diving the numbers. Wont WORK with double digits. (PYTHON 3)

Normalizing Matrices(Python) Given N number of matrices, normalize them by diving each number in every matrix by 2. ... -char-printing-the-signs-directly-and-diving-the-numbers-wo...

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

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255 views

1 answer

c# - Input string was not in a correct format Int32.Parse

Getting the error, when trying to execute this line: spellPrefabs[Int32.Parse(spell.spellName)] spell.spellName is a ... /input-string-was-not-in-a-correct-format-int32-parse...

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

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168 views

1 answer

Numpy array vs python list with time measurement

I have read about numpy array runs faster than ordinary code performed in python. I have a large data to ... /questions/65647188/numpy-array-vs-python-list-with-time-measurement...

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

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343 views

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react native - Flat list does not show

I am trying to create something like a grid, and use as buttons , i am in wonder why the Flatlist does ... :https://stackoverflow.com/questions/65647183/flat-list-does-not-show...

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

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140 views

1 answer

python - Linear regression on car dehko dataset , validation loss lower than traiing

I was performing a simple regression on the car dehko dataset (Version 3, you can find it here), and I found that the validation loss is always ... [===========================...

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

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103 views

1 answer

javascript - Error with menu button toggle css js html

I would like to use part of this code from codepen on my website but the menu button does not currently work. ... .com/questions/65647024/error-with-menu-button-toggle-css-js-html...

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

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89 views

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java - What is the point of OptionalInt?

This question already has answers here: question from:https://stackoverflow.com/questions/65646978/what-is-the-point-of-optionalint...

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

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507 views

1 answer

Error Msg 102, Level 15, State 1, Line 5 in SQL Server

Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. question from:https:// ... -msg-102-level-15-state-1-line-5-in-sql-server...

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

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72 views

1 answer

How can I make my project able to run itself as administrator?

For example, while we are using ides, the program can run itself as administrator with?ut ask for permission always, ... -can-i-make-my-project-able-to-run-itself-as-administrator...

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

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1.1k views

1 answer

filter - With an Inner Join between just two tables, having trouble filtering a "right" database column

So say code= select toy category, count(customerstate) from toyinventory ti INNER JOIN toyorders to ON ti.orderid = ... -between-just-two-tables-having-trouble-filtering-a-right-d...

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

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86 views

1 answer

javascript - Getting undefined values in ReactJs

I'm trying to get values and insert them in the dropdown. But when I try to do that I get ... :https://stackoverflow.com/questions/65647554/getting-undefined-values-in-reactjs...

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

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135 views

1 answer

Running flutter and dart in android studio

enter image description here What is the solution to the problems in the picture? question from:https:// ... com/questions/65647534/running-flutter-and-dart-in-android-studio...

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

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642 views

1 answer

android - Mockito cannot mock this class?

I'm writing some unit tests for my app but i'm having the following error: org.mockito.exceptions.base. ... ://stackoverflow.com/questions/65647528/mockito-cannot-mock-this-class...

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

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1.1k views

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python - Error: TypeError: Value passed to parameter 'input' has DataType uint8 not in list of allowed values: float16, bfloat16, float32, float64, int32

So I am trying to predict an image with tensorflow. But I am running into this Error: TypeError: Value passed to ... -value-passed-to-parameter-input-has-datatype-uint8-not-in-li...

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

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376 views

1 answer

Why Xcode doesn't show me deprecated methods?

I have an issue with Xcode. While I was working with Android Studio, it showed me deprecated methods once I ... .com/questions/65647440/why-xcode-doesnt-show-me-deprecated-methods...

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

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648 views

1 answer

reactjs - React and dexie: "Invalid hook call" error in functional component

I'm getting the following error when using the useLiveQuery hook from dexie with react. Don't understand, none ... /react-and-dexie-invalid-hook-call-error-in-functional-component...

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

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204 views

1 answer

php - Creating a LaravelLocalization connection with a model

I am trying to use mcamara/laravel-localization library for Laravel 7. I have routes in my view ... com/questions/65648096/creating-a-laravellocalization-connection-with-a-model...

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

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350 views

1 answer

dataframe - How to use for loop to create new data frames using i in the name of data frame in R

I'm relatively new to R and have been searching this forum for an example. While I have found some similar questions ... create-new-data-frames-using-i-in-the-name-of-data-frame...

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

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113 views

1 answer

python - ModuleNotFoundError: No module named 'xlxswriter'

Language: Python 3.8.3 I faced this error when I was importing my xlxs file ... stackoverflow.com/questions/65647981/modulenotfounderror-no-module-named-xlxswriter...

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

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1.3k views

1 answer

core data - Problem getting NSPersistentCloudKitContainer to sync between devices (SwiftUI, iOS)

I have set up my Core Data model with NSPersistentCloudKitContainer: struct PersistenceController { ... -getting-nspersistentcloudkitcontainer-to-sync-between-devices-swiftui...

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

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565 views

1 answer

How to Convert Eigen Matrix to C/C++ Array

In Eigen C/C++ Library, how to converter the operation result (example below) from Eigen Matrix to C/C++ Array? ... .com/questions/65647925/how-to-convert-eigen-matrix-to-c-c-array...

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

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413 views

1 answer

name 'float' is not defined : Starklark / Bazel

I'm trying to add floating-point operations to my .bzl file. According to the Bazel globals specification, the ... .com/questions/65647915/name-float-is-not-defined-starklark-bazel...

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

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101 views

1 answer

Javascript not printing within php loop

new to php and javascript. I am trying to print an id using javascript within a php loop and ... /stackoverflow.com/questions/65647838/javascript-not-printing-within-php-loop...

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

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302 views

1 answer

instance variable difference (Python)

I have 2 questions about the solutions below. Below is my answer (Solution 1) for this question ... ://stackoverflow.com/questions/65647822/instance-variable-difference-python...

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

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369 views

1 answer

reactjs - How do I create secure token authentication with Django Rest Framework/React?

I am currently creating a website using React for the frontend and Django Rest Framework for an API. I ... -i-create-secure-token-authentication-with-django-rest-framework-react...

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

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117 views

1 answer

javascript - Using array in document.getElementById.src not working

Im trying to use an array (or var) to input into the src of an tag. when I use the text ... .com/questions/65647626/using-array-in-document-getelementbyid-src-not-working...

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

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