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585 views

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java - Cannot create Launcher without at least one TestEngine; consider adding an engine implementation JAR to the classpath in Junit 5

I got following execption when i tried to run test case in junit5: Failed to execute goal org.apache.maven. ... -launcher-without-at-least-one-testengine-consider-adding-an-engin...

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

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140 views

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android - Show waveform of audio

I am making one music application in android.In this music list coming from server side. I don'tknow how ... :https://stackoverflow.com/questions/38744579/show-waveform-of-audio...

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

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200 views

1 answer

c++ - How to import python module from .so file?

[me@hostname python]$ cat hello_world.cc #include <string> #include <Python.h> #include <boost/python.hpp> namespace ... questions/10968309/how-to-import-python-module-from-so-file...

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

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297 views

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javascript - Event vs CustomEvent

I was wondering, what is the purpose of CustomEvent, because it can be easily emulated by good old Event ... from:https://stackoverflow.com/questions/40794580/event-vs-customevent...

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

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227 views

1 answer

Android 10: What are my options to save files on external storage into a directory called "/sdcard/my-app/"

Up until Android Pie I always stored files which the app needed to get stored on /sdcard/my-app/, which I got ... -are-my-options-to-save-files-on-external-storage-into-a-directo...

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

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176 views

1 answer

How do I remove myself from a project in the Google Developer Console?

I have several projects in the Google Developer Console where I am only a viewer. Can I remove myself from them, ... -i-remove-myself-from-a-project-in-the-google-developer-console...

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

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211 views

1 answer

c++ - How can I apply only one clang-format action?

I want to use clang-format to align my comments, but nothing else. The option for that is: AlignTrailingComments ... /30763869/how-can-i-apply-only-one-clang-format-action...

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

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908 views

1 answer

key value store - Redis Multi-Set With a TTL

In redis there is a SETEX command that allows me to set a key that expires, is there a multi-set version ... ://stackoverflow.com/questions/16423342/redis-multi-set-with-a-ttl...

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

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java - Does JPA support mapping to sql views?

I'm currently using Eclipselink, but I know now days most JPA implementations have been pretty standardized. Is there ... com/questions/644577/does-jpa-support-mapping-to-sql-views...

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

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217 views

1 answer

javascript - Scroll smoothly to specific element on page

I want to have 4 buttons/links on the beginning of the page, and under them the content. On the ... stackoverflow.com/questions/17722497/scroll-smoothly-to-specific-element-on-page...

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

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309 views

1 answer

How to break out of nested loops in Go?

I have an outer and inner loop, each iterating over a range. I want to exit the outer loop when a condition is ... .com/questions/51996175/how-to-break-out-of-nested-loops-in-go...

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

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539 views

1 answer

Bootstrap 4 remove caret from dropdown button

In Bootstrap 3 you could easily remove the "caret" (small arrow that points down) from a dropdown button, ... .com/questions/48176321/bootstrap-4-remove-caret-from-dropdown-button...

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

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314 views

1 answer

c++ - Print template typename at compile time

When creating a template function in C++ is there a simple way to have the typename of the template ... /stackoverflow.com/questions/9813316/print-template-typename-at-compile-time...

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

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518 views

1 answer

amazon web services - Spring boot startup error for AWS application : There is not EC2 meta data available

I am getting the below error when I am trying to run a Spring boot-AWS application locally : There is not EC2 ... startup-error-for-aws-application-there-is-not-ec2-meta-data-avail...

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

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511 views

1 answer

How do I access nested HashMaps in Java?

I have a HashMap in Java, the contents of which (as you all probably know) can be accessed by HashMap.get( ... .com/questions/2774608/how-do-i-access-nested-hashmaps-in-java...

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

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415 views

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pandas - Python - Efficient way to add rows to dataframe

From this question and others it seems that it is not recommended to use concat or append to build a pandas ... com/questions/41888080/python-efficient-way-to-add-rows-to-dataframe...

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

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371 views

1 answer

c# - Reference assemblies for framework ".NETFramework,Version=v4.7.1" were not found

I try to open a Unity3D project with VSCode under Linux (Ubuntu 18.10). The omnisharp extension doesn't load ... assemblies-for-framework-netframework-version-v4-7-1-were-not-found...

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

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103 views

1 answer

How to echo XML file in PHP

How to print an XML file to the screen in PHP? This is not working: $curl = curl_init(); curl_setopt ($curl, ... ://stackoverflow.com/questions/1199595/how-to-echo-xml-file-in-php...

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

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187 views

1 answer

Global Variable from a different file Python

So I have two different files somewhat like this: file1.py from file2 import * foo = "bar" test ... .com/questions/3400525/global-variable-from-a-different-file-python...

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

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383 views

1 answer

javascript - Prevent Address-Bar hiding in mobile Browsers

I'm currently working on a website with a horizontal layout. All elements are position:absolute with ... /questions/18061308/prevent-address-bar-hiding-in-mobile-browsers...

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

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238 views

1 answer

java - Resttemplate getForEntity - Pass headers

Is it possible to set header as part of getForEntity method or should I use exchange? I am ... https://stackoverflow.com/questions/43900699/resttemplate-getforentity-pass-headers...

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

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514 views

1 answer

c++ - C++20 with u8, char8_t and std::string

C++11 brought us the u8 prefix for UTF-8 literals and I thought that was pretty cool a few years ago ... //stackoverflow.com/questions/56833000/c20-with-u8-char8-t-and-stdstring...

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

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1.2k views

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how to adjust future.global.maxSize in R?

Can anyone help me figure out how to change the max size of global objects passed to an item in the future ... .com/questions/40536067/how-to-adjust-future-global-maxsize-in-r...

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

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589 views

1 answer

"OverflowError: Python int too large to convert to C long" on windows but not mac

I am running the exact same code on both windows and mac, with python 3.5 64 bit. On windows, it looks like this: > ... -int-too-large-to-convert-to-c-long-on-windows-but-not-ma...

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

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200 views

1 answer

java - System.out.print() doesn't show anything in test methods

I'm trying to print some data with System.out in my unit tests (@Test mehotds), but it is not showing ... /questions/29488900/system-out-print-doesnt-show-anything-in-test-methods...

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

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948 views

1 answer

bitbucket - Why is Jenkins suddenly unable to delete a workspace

We have a Jenkins server which has successfully built our code over 200 times - until a couple of days ago ... /50782740/why-is-jenkins-suddenly-unable-to-delete-a-workspace...

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

0 votes

285 views

1 answer

numpy - How to check the size of a float in python?

I want to check whether a float is actually 32 or 64bits (and the number of bits of a numpy float array). There ... /questions/8216088/how-to-check-the-size-of-a-float-in-python...

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

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137 views

1 answer

node.js - Is there a server cost to using WebSockets?

I've been moving away from my comfort zone in PHP/MySQL because the syntax/encapsulation/procedural stuff can get ... /questions/23314964/is-there-a-server-cost-to-using-websockets...

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

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