OStack Q&A-Knowledge Sharing Community

0 votes

180 views

1 answer

python - How to use str.contains() with multiple expressions, in pandas dataframes?

I'm wondering if there is a more efficient way to use the str.contains() function in Pandas, to search ... /how-to-use-str-contains-with-multiple-expressions-in-pandas-dataframes...

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

0 votes

593 views

1 answer

Android Studio Gradle: Please remove usages of `jcenter()` Maven repository from your build scripts / JCenter is at end of life

In Android Studio 4.2 there is a warning: buildscript { ext.kotlin_version = '1.5.0' repositories { ... android-studio-gradle-please-remove-usages-of-jcenter-maven-repository-from...

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

0 votes

733 views

1 answer

string - Difference between single and double quotes in Flutter/Dart

I know that single and double quotes have at least some level of equivelence in Dart. For example, var ... /54014913/difference-between-single-and-double-quotes-in-flutter-dart...

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

0 votes

197 views

1 answer

android - Rejecting re-init on previously-failed class in OkHttp

I'm trying to upload an image to my server using flask back end which will handle the file to save in a folder ... ); Request request = new Request.Builder() .url(UrlLink.postfeed)...

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

0 votes

162 views

1 answer

java - Is it discouraged to use @Spy and @InjectMocks on the same field?

In the project I'm working on right now, I often see the @Spy and @InjectMocks used together on a field. I have ... /is-it-discouraged-to-use-spy-and-injectmocks-on-the-same-field...

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

0 votes

585 views

1 answer

how to insert new line in R shiny string

In shiny, I have the following: output$sequenceText <- renderText({ showSequence() }) showSequence <- reactive({ selectedSeqs ... /26368192/how-to-insert-new-line-in-r-shiny-string...

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

0 votes

390 views

1 answer

angular - How can I watch for changes to localStorage in Angular2?

I was trying to figure out how to get a menu to appear and disappear based on being logged in in a previous ... /35397198/how-can-i-watch-for-changes-to-localstorage-in-angular2...

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

0 votes

88 views

1 answer

python - How to change the file name of an uploaded file in Django?

Is it possible to change the file name of an uploaded file in django? I searched, but couldn't find any answer. My ... /how-to-change-the-file-name-of-an-uploaded-file-in-django...

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

0 votes

220 views

1 answer

Export Angular project from StackBlitz to local

I would like to export an Angular project done in StackBlitz an execute it from Angular CLI with the ... com/questions/52560532/export-angular-project-from-stackblitz-to-local...

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

0 votes

235 views

1 answer

rest - Spring MVC - RestTemplate launch exception when http 404 happens

I have a rest service which send an 404 error when the resources is not found. Here the source of ... /16194014/spring-mvc-resttemplate-launch-exception-when-http-404-happens...

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

0 votes

257 views

1 answer

postgresql - LIKE with % on column names

Here is my query that results in a syntax error: SELECT * FROM account_invoice,sale_order WHERE sale_order.name ... /stackoverflow.com/questions/13274679/like-with-on-column-names...

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

0 votes

174 views

1 answer

python - Call function based on argparse

I'm new to python and currently playing with it. I have a script which does some API Calls to an ... :https://stackoverflow.com/questions/27529610/call-function-based-on-argparse...

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

0 votes

365 views

1 answer

How to run a Python script in a '.py' file from a Google Colab notebook?

%%javascript IPython.OutputArea.prototype._should_scroll = function(lines) { return false; } %run rl_base.py I run this giving ... -script-in-a-py-file-from-a-google-colab-notebook...

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

0 votes

639 views

1 answer

android - Changing size of seekbar thumb

I'm using a drawable for seekbar thumb with android:thumb="@drawable/thumb" How can I set the size of ... https://stackoverflow.com/questions/9699951/changing-size-of-seekbar-thumb...

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

0 votes

285 views

1 answer

Mocking Files in Java - Mock Contents - Mockito

I'm pretty new to mocking, and I've been trying to mock the actual contents (essentially create a virtual ... .com/questions/17681708/mocking-files-in-java-mock-contents-mockito...

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

0 votes

866 views

1 answer

sorting - sort Python list with two keys but only one in reverse order

I was wondering what would be a Pythonic way of sorting a list of tuples by two keys whereby sorting with one (and ... sort-python-list-with-two-keys-but-only-one-in-reverse-order...

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

0 votes

111 views

1 answer

python - Tracing and Returning a Path in Depth First Search

So I have a problem that I want to use depth first search to solve, returning the first path that DFS ... /questions/12864004/tracing-and-returning-a-path-in-depth-first-search...

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

0 votes

258 views

1 answer

sqlite - What is the format of Chrome's timestamps?

I'm using SQLite Database Browser to read information from a database containing the browsing history for Google ... /questions/20458406/what-is-the-format-of-chromes-timestamps...

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

0 votes

145 views

1 answer

Using chromedriver with selenium/python/ubuntu

I am trying to execute some tests using chromedriver and have tried using the following methods to start ... .com/questions/22476112/using-chromedriver-with-selenium-python-ubuntu...

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

0 votes

452 views

1 answer

loops - How can I iterate in reverse over a map in C++?

I'm having trouble iterating in reverse over a map in GCC C++. When I use a reverse iterator, it seems I can't ... /questions/732160/how-can-i-iterate-in-reverse-over-a-map-in-c...

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

0 votes

814 views

1 answer

gateway - How do I get netcat to accept connections from outside the LAN?

I'm using netcat as a backend to shovel data back and forth for a program I'm making. I tested my program on ... /how-do-i-get-netcat-to-accept-connections-from-outside-the-lan...

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

0 votes

300 views

1 answer

python - PackageNotInstalledError: Package is not installed in prefix

conda update conda >> successful conda update anaconda >> gives me error saying package is not ... questions/51712693/packagenotinstallederror-package-is-not-installed-in-prefix...

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

0 votes

283 views

1 answer

python - Make Selenium wait 10 seconds

Yes I know the question has been asked quite often but I still don't get it. I want to make Selenium ... :https://stackoverflow.com/questions/45347675/make-selenium-wait-10-seconds...

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

0 votes

249 views

1 answer

java - Duplicate JSON Field with Jackson

I am using Jackson for JSON (de)serialization in conjunction with Spring. However I am having an issue ... //stackoverflow.com/questions/18237222/duplicate-json-field-with-jackson...

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

0 votes

79 views

1 answer

What is the difference between hook and callback?

By reading some text, especially the iOS document about delegate, all the protocol method are called hook that ... /11087543/what-is-the-difference-between-hook-and-callback...

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

0 votes

1.3k views

1 answer

login - django rest framework - token authentication logout

I have implemented the Token Authentication according to the django rest framework Docs. Form what I ... com/questions/30739352/django-rest-framework-token-authentication-logout...

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

0 votes

324 views

1 answer

Android How to set multiple gravity values programmatically in Kotlin?

In Java it was like: layoutParams.setGravity(Gravity.END|Gravity.BOTTOM); How to do this in Kotlin? ... android-how-to-set-multiple-gravity-values-programmatically-in-kotlin...

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

0 votes

390 views

1 answer

macos - Mac OS X virtual audio driver

question from:https://stackoverflow.com/questions/18443621/mac-os-x-virtual-audio-driver...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags