Recent questions in Technique[技术]

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php - 在PHP中从MySQL提取数据(Fetching data from MySQL in PHP)

The below line of code is fetching only one Name per city where as there are many names per city. (下面的代码行每个城 ... ) City1 Name1 Name2 City2 Name1 Name2 ask by Vino translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - ComboBox：向项添加文本和值（无绑定源）(ComboBox: Adding Text and Value to an Item (no Binding Source))

In C# WinApp, how can I add both Text and Value to the items of my ComboBox? (在C＃WinApp中，如何将Text和Value添加到我的ComboBox ... Item[1].Value = "useful Value" ask by Bohn translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mysql - 列匹配特定值时插入或替换(Insert or replace when column matches specific value)

I have the following table: (我有下表：) CREATE TABLE IF NOT EXISTS `test` ( `gid` INT NOT NULL, `x` INT NOT NULL, `y` ... solution for this? (有什么解决办法吗？) ask by Priv translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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nginx - 无法从Web服务器上的教程访问我的Vapor应用程序(Can't access my Vapor app from tutorial on my web server)

I want to deploy a Vapor app on my server to use it as backend for my iOS app. (我想在服务器上部署Vapor应用程序，以将其用作iOS应用程 ... the help!!! (非常感谢@imike的所有帮助！！！) ask by ref2111 translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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testng - 需要并行运行TestNG套件和测试(Need to run TestNG suites and tests in parallel)

I have 3 test NG files. (我有3个测试NG文件 )Machine1.xml: (Machine1.xml：) <suite name="Machine1" verbose="1" parallel="tests ... issue. (请帮助我解决问题 ) ask by user2356679 translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - 使用Thread.sleep（x）或wait（）时出现异常(I get exception when using Thread.sleep(x) or wait())

I have tried to delay - or put to sleep - my Java program, but an error occurs. (我试图延迟-或使我的Java程序进入睡眠状态，但是发生错误 ) I ... ()或wait()方法之前是否需要任何步骤？) ask by vincent low translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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azure-devops - Azure DevOps将Nuget发布到托管供稿(Azure DevOps publish Nuget to hosted feed)

I have a question using the hosted (free) AzureDevops pipelines. (我对使用托管（免费）AzureDevops管道有疑问 )I have a small . ... load the service index for source https://pkgs.dev.azure.com/sach...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - 基于索引的C ++字符数组元素无比较(C++ Character array element based on index no comparison)

I'm attempting a logical comparison at an element in a char-array based on index number but my compiler says illegal ... 要完成的作业 ) ask by Hassan Iftikhar translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - 角度ngFor绑定错误。为什么会出现错误？(Angular ngFor binding error. Why am I getting an error?)

I've got a main component called DOCUMENT. (我有一个名为DOCUMENT的主要组件 )This document takes a URL segment and fetches an array ... div> </div> </div> ask by mike varela translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - C＃多线程无符号增量(C# multi-threaded unsigned increment)

I want to increment an unsigned integer from multiple threads. (我想从多个线程增加一个无符号整数 ) I know about Interlocked.Increment, but ... . (我不希望被破坏的价值 ) ask by FlappySocks translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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437 views

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python - 在Docker上的Anaconda下运行jupyter笔记本(Running jupyter notebook under Anaconda on Docker)

I am following the instructions give here to run a Jupyter notebook under Anaconda via Docker. (我正在按照此处给出的说明通过Docker在Anaconda ... a clue? (有人知道吗？) ask by shuntera translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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560 views

1 answer

I have a MySQL table with the following columns: (我有一个包含以下各列的MySQL表：) score_id (int10, auto_increment, primary ... mydb.commit() mydb.close() ask by cfb_moose translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - 错误1046未选择数据库，如何解决？(Error 1046 No database Selected, how to resolve?)

Error SQL query: (错误的SQL查询：) -- -- Database: `work` -- -- ------------------------------------- ... selected need some help here. (在这里需要一些帮助 ) ask by steph translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - 如何删除添加了.css（）函数的样式？(How can I remove a style added with .css() function?)

I'm changing CSS with jQuery and I wish to remove the styling I'm adding based on the input value: (我正在用jQuery更改 ... 除jQuery添加的background-color内联样式 ) ask by Alex translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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379 views

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javascript - 如何将多个站点（点几何）组合在一起作为要素集合，以在所有站点上执行NDVI变化计算？(How do I group a number of sites (point geometries) together as a feature collection, to perform NDVI change calculations on all the sites?)

I am new to stack overflow and javascript, so apologies in advance. (我是堆栈溢出和javascript的新手，所以提前致歉 ) The overall aim: ... enough info. (希望有足够的信息 ) ask by jerry_88 translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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347 views

1 answer

javascript - 反应输入字段未重新渲染/刷新(React Input Field not re-rendering/refreshing)

I don't understand why the input field is not refreshing. (我不明白为什么输入字段没有刷新 ) The main idea is (主要思想是) There ... ={handleChange}/> </div> ) } ask by yasir jafar translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - Firebase函数：无法读取未定义的属性https(Firebase functions: Can not read property https of undefined)

During firebase deploy in terminal, I get an error on this line: (在终端中进行firebase deploy期间，此行出现错误：) // index. ... modules/cjs/loader.js:774:30) ask by Sean Dezoysa translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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524 views

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git - 如何从另一个分支完全替换Git中的master分支？ [重复](How to replace master branch in Git, entirely, from another branch? [duplicate])

Possible Duplicate: (可能重复：) Make the current Git branch a master branch (将当前的Git分支设为主分支) I have two branches in my Git ... 的所有内容，但这并不是最佳实践 ) ask by Jason translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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296 views

1 answer

python - 更改Pandas中列的数据类型(Change data type of columns in Pandas)

I want to convert a table, represented as a list of lists, into a Pandas DataFrame. (我想将表示为列表列表的表转换为Pandas DataFrame )As an ... 以保证的是，每一列都包含相同类型的值 ) ask by translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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320 views

1 answer

php - 在xampp中安装DVWA时出错(Error installing DVWA in xampp)

When i try to open localhost/dvwa i get this: (当我尝试打开localhost / dvwa时，我得到了：) Fatal error: Uncaught Error: ... ' ] = 'false'; ?> ask by JosecitoBaneador translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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406 views

1 answer

ruby - 如何在ruby gem SearchKick中将字段添加到ElasticSearch以便按顺序排序(How to add a field to ElasticSearch in order to order by it in ruby gem SearchKick)

I have a project, where I use Searchkick gem in order to fetch records from ElasticSearch first and then do further processing on ... 决问题的指示或提示吗？) ask by jedi translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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407 views

1 answer

android - 如何在Android中获取当前时间和日期(How to get current time and date in Android)

如何在Android应用中获取当前时间和日期？ ask by M7M translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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459 views

1 answer

polymer-3.x - Polymer-3.x ..无法通过对象引用从JSON绑定值到paper-toggle-button(Polymer-3.x.. Can't able to bind value from the JSON through object reference to the paper-toggle-button)

//Properties drivingEligibility:{type:Boolean,notify:true} //EventListener driving(){ if (this.$.drivingEligibility.checked == true) ... （纸张切换按钮）) ask by mounika translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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426 views

1 answer

ios - 笔尖已加载，但未设置“查看”出口(Loaded nib but the 'view' outlet was not set)

I added a new nib file to my project, and tried to load it. (我向项目添加了一个新的nib文件，并尝试加载它 ) However, when I click on the toolbar ... 让我...我需要做些什么才能显示我的视图？) ask by John translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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355 views

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python - 如何在Python中获取文件创建和修改日期/时间？(How to get file creation & modification date/times in Python?)

I have a script that needs to do some stuff based on file creation & modification dates but has to run on Linux & Windows. (我有一 ... 的最佳跨平台方法是什么？) ask by Mark Biek translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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326 views

1 answer

r - 如何按多个列对数据框进行排序(How to sort a dataframe by multiple column(s))

I want to sort a data.frame by multiple columns. (我想按多个列对data.frame进行排序 )For example, with the data.frame below I ... 9 1 4 Low C 9 2 ask by Christopher DuBois translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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391 views

1 answer

python - 在函数中使用全局变量(Using global variables in a function)

How can I create or use a global variable in a function? (如何在函数中创建或使用全局变量？) If I create a global variable in one function ... 需要对其进行访问的函数的局部变量中？) ask by user46646 translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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452 views

1 answer

c++ - 检查CAPSLOCK是否在C ++中打开/关闭(Check whether CAPSLOCK is on/off in C++)

Hi I have this code which can record keystrokes and save it in dat.txt file, But it can't differentiate b/w upper and ... } } } return 0; } ask by Muhammad Ali translate from so...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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