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is memory leak? why java.lang.ref.Finalizer eat so much memory

I ran a heap dump on my program. When I opened it in the memory analyzer tool, I found that the java.lang.ref ... lot of memory. Why is this so? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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is node.js' console.log asynchronous?

Are console.log/debug/warn/error in node.js asynchrounous? I mean will javascript code execution halt till ... the statement immediately after it crashes node. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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is the Java HashMap keySet() iteration order consistent?

I understand that the Set returned from a Map's keySet() method does not guarantee any particular order. ... from the keySet which will guarantee order. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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is there a require for json in node.js

I would like to include a couple of JSON files in my JavaScript code that are in the same directory as my ... require that enables me to load a JSON file? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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is there a css hack for safari only NOT chrome?

im trying to find a css hack for just safari NOT chrome, i know these are both webkit browsers but im ... another one that will just apply to safari please? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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is it possible to do fuzzy match merge with python pandas?

I have two DataFrames which I want to merge based on a column. However, due to alternate spellings, different number of spaces ... b three 3 c four 4 d five 5 e Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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is it possible to get sonarqube 8.6 exitcode from terminal based on analysis results?

Hi all I'm on linux and want to run sonarqube locally and based on the analysis result get exit code So for ... to-get-sonarqube-8-6-exitcode-from-terminal-based-on-analysis-res...

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

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is there implementation for b_tree indexing in file structure and organization in c++?

For Example, Consider the following Insertions: Insert: 3, 12 Insert: 7, 24 Insert: 10, 48 Insert: 24, ... -implementation-for-b-tree-indexing-in-file-structure-and-organization-i...

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

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is azure bastion compatible with virtual wan for use vnet to vnet via the virtual hub?

i have an architecture with virtual wan in azure. i would like to have a vnet with share services (app gw, az ... -compatible-with-virtual-wan-for-use-vnet-to-vnet-via-the-virtua...

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

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is there any way to check the file names obtained from sftp to a table column (which has the filenames) in Pentaho Spoon?

i have some files uploaded to SFTP and there is a table which has filenames i need to compare both the filenames and ... check-the-file-names-obtained-from-sftp-to-a-table-column-w...

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

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is it possible to iterate and format at the same time with a python 'f' string

Given an array of byte data one can produce concise hex output like this: ... bbuf = [ 133, 53, 234, 241, 0xff, ... -to-iterate-and-format-at-the-same-time-with-a-python-f-string...

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

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is the following way also correct for constructor functions in javascript?

let construct = function(name = "john", last = "marks") { return { name: name, last: last, }; ... 65850550/is-the-following-way-also-correct-for-constructor-functions-in-javascript...

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

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is there any way to strip ansible output caused by with_items

I'm new to ansible. I have a problem when using ansible 'with_items'. For example, the following code: - assert: ... /is-there-any-way-to-strip-ansible-output-caused-by-with-items...

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

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is it possible to save submodules changes to the main git index?

up until very recently i was managing modules via copy/paste but then i discovered submodules & with the single ... -possible-to-save-submodules-changes-to-the-main-git-index...

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

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is it required to manually create Django groups through programming?

I have doubt that after hoisting if groups are not created programmically, does it affect on login as my ... /is-it-required-to-manually-create-django-groups-through-programming...

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

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is it okay to have two material apps in one flutter?

I added two material app to my app because my futurebuilder needed a context and my provider was not accessible to the ... /is-it-okay-to-have-two-material-apps-in-one-flutter...

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

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1.9k views

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is there a better way to merge array of objects in Javascript?

Closed. This question needs to be more focused. It is not currently accepting answers. question from:https://stackoverflow ... -a-better-way-to-merge-array-of-objects-in-javascript...

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

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is There A Laravel PHP Function To Show Database Records Without Duplicates?

I need to be able to bring back records from an sql stored procedure and display them. but I do not ... -there-a-laravel-php-function-to-show-database-records-without-duplicates...

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

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is it possible to git clone from a specific commit point

NOTE: there is an edit to this question below I have used git clone ssh://etc before to pull a remote ... 65895458/is-it-possible-to-git-clone-from-a-specific-commit-point...

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

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is it possible to use Ghost CMS with Spring Boot (Java)? If not, there is some good alternatives?

I have got a new task: create a custom webapp that contains also a blog in a short time period. I'm used to work ... -use-ghost-cms-with-spring-boot-java-if-not-there-is-some-g...

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

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is ok to load the configuration data from the databse in Reactjs after successfull login?

We have reactapp whhich currenly hold this configuraion in js file and This configurations is having new values ... -configuration-data-from-the-databse-in-reactjs-after-successfu...

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

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is Dumbell.js supporting with previous version of highchart?

In our application we are using Highchart version v7.0.0 and can not upgrade it right now. I want ... /65918242/is-dumbell-js-supporting-with-previous-version-of-highchart...

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

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is it possible to know the parameter exists in MyBatis XML

I am using this config to execute sql in MyBatis Xml: <if test="statisticTimes != null"> and date_format( ... is-it-possible-to-know-the-parameter-exists-in-mybatis-xml...

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

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is it possible to config nginx certificate in public file

Now this is my nginx server config: server{ listen 443; ssl_certificate /etc/nginx/conf.d/cert/example.com/fullchain1 ... /is-it-possible-to-config-nginx-certificate-in-public-file...

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

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is there a problem with my code? (python 3.72)

This question already has answers here: question from:https://stackoverflow.com/questions/65934125/is-there-a-problem-with-my-code-python-3-72...

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

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is it possible to dispath and fetch data from server in flutter when using CustomSearchDelegate

I am write a search appbar in flutter(1.22.5) app, this is my appbar code: sliver: SliverAppBar( title: Text( ... -to-dispath-and-fetch-data-from-server-in-flutter-when-using-custo...

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

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is there a way to hide a component in vue.js

i am trying to hide a component if it has no data to show however all i get is a whitespace in between my other ... questions/65941563/is-there-a-way-to-hide-a-component-in-vue-js...

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

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is there any solution for pygame black screen error?

so I am using Pygame .Whenever I run my game the screen does not renders anything and it seems black ... questions/65599632/is-there-any-solution-for-pygame-black-screen-error...

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

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