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python - Add Multiple Columns to Pandas Dataframe from Function

I have a pandas data frame mydf that has two columns,and both columns are datetime datatypes: mydate ... questions/30026815/add-multiple-columns-to-pandas-dataframe-from-function...

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

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crontab - How to create cron statement to run for multiple hours

I need a cron statement to run for few hours eg 1-8 then 10-15. In this case will the following ... questions/10811241/how-to-create-cron-statement-to-run-for-multiple-hours...

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

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Is it a good practice to define C++ functions inside header files?

(This question already has answers here): question from:https://stackoverflow.com/questions/25274312/is-it-a-good-practice-to-define-c-functions-inside-header-files...

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

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In Java does anyone use short or byte?

Apart from using (byte[]) in streaming I don't really see byte and short used much. On the other hand ... stackoverflow.com/questions/1539793/in-java-does-anyone-use-short-or-byte...

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

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debugging - Google Chrome does not show errors in console

I'm using Chrome for debugging and probably it was updated or something happened to it but now I cannot see ... com/questions/50000703/google-chrome-does-not-show-errors-in-console...

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

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How to read the contents of an .sql file into an R script to run a query?

I have tried the readLines and the read.csv functions but then don't work. Here is the contents of the my_script.sql file: ... -of-an-sql-file-into-an-r-script-to-run-a-query...

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

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MySQL - SELECT ... WHERE id IN (..) - correct order

I have the following query SELECT * FROM table WHERE id IN (5,4,3,1,6) and i want to retrieve the ... ://stackoverflow.com/questions/5090591/mysql-select-where-id-in-correct-order...

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

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In Visual Studio 2019 how can I remove unused usings on format document?

In Visual Studio 2019 how can I remove unused usings on format document? I have found instructions for previous versions ... -2019-how-can-i-remove-unused-usings-on-format-document...

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

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go - How to insert multiple data at once

I know that Insert multiple data at once more efficiency: INSERT INTO test(n1, n2, n3) VALUES(v1, v2, ... /stackoverflow.com/questions/21108084/how-to-insert-multiple-data-at-once...

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

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jmeter pass command line variables into a jmx

I'm trying to automate some perf testing. I'd to pass server locations into a generic jmx from a Jenkins ... .com/questions/19823954/jmeter-pass-command-line-variables-into-a-jmx...

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

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sql - How can I reset an MySQL AutoIncrement using a MAX value from another table?

I know this won't work. I tried it in various forms and failed all times. What is the simplest way to ... i-reset-an-mysql-autoincrement-using-a-max-value-from-another-table...

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

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ruby on rails - Get path to ActiveStorage file on disk

I need to get the path to the file on disk which is using ActiveStorage. The file is stored locally. ... stackoverflow.com/questions/50340043/get-path-to-activestorage-file-on-disk...

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

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How to stop a command in the Visual Studio Code terminal

I've been stopping commands with the trash can for too long. Command period doesn't work on Mac. I can't find ... /45711242/how-to-stop-a-command-in-the-visual-studio-code-terminal...

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

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linux - How to find my php-fpm.sock?

I'm running Wordpress with: Nginx + PHP-FPM + APC + W3 Total Cache + PageSpeed. After 3 days researching and ... //stackoverflow.com/questions/17570658/how-to-find-my-php-fpm-sock...

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

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c# - Comparing nullable DateTime?

Looking for a better way to compare a nullable date time than the following: Any suggestions? // ... from:https://stackoverflow.com/questions/13673117/comparing-nullable-datetime...

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

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Docker --tag vs --name clarification

I'm pretty new to docker and I'm a bit puzzled by the difference between tagging (--tag) an image ... :https://stackoverflow.com/questions/41520614/docker-tag-vs-name-clarification...

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

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python - Find index where elements change value numpy

Suppose I have >>> v array([1, 1, 1, 1, 1, 2, 2, 2, 3, 4, 3, 4, 3, 4, 3, ... question from:https://stackoverflow.com/questions/19125661/find-index-where-elements-change-value-numpy...

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

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.NET naming convention for "ID" (anything identification: Capitalization)

I am in the process of unifying these inconsistent naming conventions and this one problem has been a ... 596062/net-naming-convention-for-id-anything-identification-capitalization...

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

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ios - How to programmatically check support of 'Face Id' and 'Touch Id'

I've integrated LocalAuthentication for my app security purpose, which has been supporting 'Touch Id' based supporting. ... -programmatically-check-support-of-face-id-and-touch-id...

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

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php - Add data dynamically to an Array

I want to add data to an array dynamically. How can I do that? Example $arr1 = [ 'aaa', 'bbb', ' ... :https://stackoverflow.com/questions/3325009/add-data-dynamically-to-an-array...

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

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flutter - Navigator pass arguments with pushNamed

Might have been asked before but I can't find it but how do you pass a arguments to a named ... https://stackoverflow.com/questions/53304340/navigator-pass-arguments-with-pushnamed...

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

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babeljs - Nuxt js - Fresh install of nuxt 2.14.6 contains babel "loose option" warnings

I have a fresh install of nuxt version 2.14.6 and I would like to silence an error I get when I run the ... js-fresh-install-of-nuxt-2-14-6-contains-babel-loose-option-warnings...

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

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node.js - Winston Logger - NodeJs Debug console logs not showing in VSCode

I'm using VSCode debugger and winston logger for NodeJS, but can't see output from application unless I specify ... /winston-logger-nodejs-debug-console-logs-not-showing-in-vscode...

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

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javascript - Sort array by ISO 8601 date

how can i sort this array by date (ISO 8601)? var myArray = new Array(); myArray[0] = { name:'oldest ... :https://stackoverflow.com/questions/12192491/sort-array-by-iso-8601-date...

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

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Removing default value from Rails Migration

I found several similar questions about editing a migration but couldn't figure this one out. I did ... .com/questions/25357171/removing-default-value-from-rails-migration...

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

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r - Remove rows where all variables are NA using dplyr

I'm having some issues with a seemingly simple task: to remove all rows where all variables are NA using ... questions/41609912/remove-rows-where-all-variables-are-na-using-dplyr...

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

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swift - Xcode: Using custom fonts inside Dynamic framework

I added custom font to a framework. I followed all the steps, but it doesn't work. I am ... stackoverflow.com/questions/30507905/xcode-using-custom-fonts-inside-dynamic-framework...

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

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linux - How to get CPU usage

My Go program needs to know the current cpu usage percentage of all system and user processes. How can I ... https://stackoverflow.com/questions/11356330/how-to-get-cpu-usage...

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

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