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mysql - 当日期来自2个字段时，MYSQL联合如何维护日期字段顺序？(MYSQL union how to maintain date field order when date came from 2 fields?)

I have two tables Transactions and Expenses . (我有两个表交易和费用 )I have written a query to get date wise transaction statement. ( ... (我怎么解决这个问题？) ask by Satu Sultana translate from so...

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

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238 views

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php - 如何检查PHP数组是关联数组还是顺序数组？(How to check if PHP array is associative or sequential?)

PHP treats all arrays as associative, so there aren't any built in functions. (PHP将所有数组视为关联数组，因此没有任何内置函数 )Can ... ', 'veg2' => 'carrot'); ask by community wiki translate from so...

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

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430 views

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javascript - 如何从JavaScript发送电子邮件(How to send an email from JavaScript)

I want my website to have the ability to send an email without refreshing the page. (我希望我的网站能够发送电子邮件而不刷新页面 )So I ... { /* ...code here... */ } ask by user906357 translate from so...

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

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341 views

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javascript - 偏移html锚以调整为固定的标头[重复](offsetting an html anchor to adjust for fixed header [duplicate])

This question already has an answer here: (这个问题已经在这里有了答案：) Fixed page header overlaps in-page anchors 32 answers ( ... 或CSS，但是Javascript也可以接受 ) ask by Matt Dryden translate from so...

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

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194 views

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node.js - 如何在Node.js中处理POST数据？(How to process POST data in Node.js?)

How do you extract form data ( form[method="post"] ) and file uploads sent from the HTTP POST method in Node.js ? (如何提取Node ... hack? (有图书馆还是黑客？) ask by Ming-Tang translate from so...

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

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301 views

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mysql - 如何获取MySQL数据库表的大小？(How to get the sizes of the tables of a MySQL database?)

I can run this query to get the sizes of all tables in a MySQL database: (我可以运行此查询来获取MySQL数据库中所有表的大小：) show table ... should I look at? (我应该看哪一栏？) ask by JPashs translate from so...

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

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netcdf - 如何将netcdf文件中的变量重新分配到另一个网格，以使通量，质量和其他字段保持不变(How to regrid variables in a netcdf file to another grid such that the fluxes, mass and other fields remain conserved)

我想将变量重新注册到文件中，以使通量和其他重要的守恒域保持守恒，并且不违反守恒定律。 ask by tech_climate translate from so...

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

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376 views

1 answer

ionic-framework - 离子文本颜色更改onclick(Ionic Text color change onclick)

I'm a beginner in Ionic 3. (我是Ionic 3的初学者 ) I have a 4 text in same color, I'm trying to make when I click on the ... </div> </div> </div> </div> ask by core114 translate from so...

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

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534 views

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python - 如何使Python脚本独立可执行文件在没有任何依赖的情况下运行？ [关闭](How to make a Python script standalone executable to run without ANY dependency? [closed])

I'm building a Python application and don't want to force my clients to install Python and modules. (我正在构建一个Python应用程序，并且不想 ... 将Python脚本编译为独立的可执行文件？) ask by Jeff translate from so...

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

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603 views

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git - Git推送错误“ [[远程拒绝]主机->主机（分支当前已签出）”）(Git push error '[remote rejected] master -> master (branch is currently checked out)')

Yesterday, I posted a question on how to clone a Git repository from one of my machines to another, How can I 'git clone' ... reason? (那可能是原因吗？) ask by hap497 translate from so...

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

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200 views

1 answer

android - Recyclerview不显示Firebase中的数据(Recyclerview not showing data from Firebase)

I keep getting a blank screen on my app but no errors and my Firebase contains data. (我的应用程序上始终出现黑屏，但没 ... address = address; } } ask by UltraServe tech Solutions translate from so...

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

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sql - 当IDENTITY_INSERT设置为OFF时，无法为表'table'中的标识列插入显式值(Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF)

I have the below error when I execute the following script. (执行以下脚本时出现以下错误 )What is the error about, and how it can be ... ，无法在表'table'中为标识列插入显式值 ) ask by translate from so...

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

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html - 通过标题组件中的按钮切换类，这会通过Angular 6+影响主应用程序组件(Toggle a class by a button from header component that affect main app component by Angular 6+)

My app by Angular simply starts with index.html : (我的Angular应用只是以index.html开头：) <body> <app-root></app-root> </body> I ... <body>内部切换类的最佳实现方式吗？) ask by nambk translate from so...

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

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254 views

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git - 使用Git下载特定标签(Download a specific tag with Git)

I'm trying to figure out how I can download a particular tag of a Git repository - it's one version behind the current ... 如何下载该特定版本？) ask by Jack BeNimble translate from so...

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

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158 views

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c# - 使用linq调用方法x次(Call method x times using linq)

I would like to call one method 3 times Using LINQ , the method returns an object, with that object I want to add ... News CollectNews(){ ... } ask by Pablitros translate from so...

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

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548 views

1 answer

javascript - 四舍五入至小数点后两位（仅在必要时）(Round to at most 2 decimal places (only if necessary))

I'd like to round at most 2 decimal places, but only if necessary . (我想最多舍入小数点后两位，但仅在必要时才可以 ) ... JavaScript? (如何在JavaScript中执行此操作？) ask by stinkycheeseman translate from so...

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

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java - 在命令提示符下运行jar文件[重复](Run jar file in command prompt [duplicate])

Possible Duplicate: (可能重复：) How to run a JAR file (如何运行JAR文件) How do we run a jar file in command prompt? (我们如何在命令提示符下运行jar文件？) ask by Nirav translate from so...

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

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237 views

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wordpress - 使用路径或URL(Using Path or a URL)

I do not know what files should be linked using their path and what files should be linked using their URL. (我不知道应该使用 ... plugin. (我正在开发WordPress插件 ) ask by Mahdi translate from so...

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

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244 views

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c# - 如何对列表排序 <T> 通过对象中的属性(How to Sort a List<T> by a property in the object)

I have a class called Order which has properties such as OrderId , OrderDate , Quantity , and Total . (我有一个名为Order的类，它具有诸如 ... (我该如何在C＃中做到这一点？) ask by Shyju translate from so...

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

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350 views

1 answer

django - Django提供的简易缩略图引发访问被拒绝错误(Easy Thumbnail with Django raising access denied error)

I'm using S3Boto3Storage to save docs in my aws s3 and tried to use easy-thumbnails to generate thumbnail images, please find ... 很幼稚，谢谢) ask by Royce Raju Beena translate from so...

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

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138 views

1 answer

node.js - 节点以nodemon开头(node start with nodemon)

Learning node with express, downloaded and currently studing a structure template, but forget how to start the nodemon so that any ... 批处理文件 ) ask by Fred J. translate from so...

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

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260 views

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javascript - 如何使用jQuery替换div的innerHTML？(How to replace innerHTML of a div using jQuery?)

How could I achieve the following: (我怎样才能实现以下目标：) document.all.regTitle.innerHTML = 'Hello World'; Using jQuery ... 使用jQuery，其中regTitle是我的div ID？) ask by tonyf 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

javascript - 使用jQuery从下拉列表（选择框）中获取选定的文本(Get selected text from a drop-down list (select box) using jQuery)

如何从jQuery的下拉列表中获取选定的文本（而不是选定的值）？ ask by haddar translate from so...

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

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174 views

1 answer

mysql - MySQL字符串替换(MySQL string replace)

I have a column containing urls (id, url): (我有一个包含urls（id，url）的列：) http://www.example.com/articles/updates/43 http://www.example. ... (是否可以使用脚本执行此操作？) ask by n00b translate from so...

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

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311 views

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dart - dart中常量值的用途是什么？(What is the use of constant values in dart?)

As described in the documentations: (如文档中所述：) The const keyword isn't just for declaring constant variables. (const关键字不仅用于声明常 ... 可以解释常量值的使用吗？) ask by Bewar Salah translate from so...

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

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513 views

1 answer

bash - 什么是特殊的美元符号shell变量？(What are the special dollar sign shell variables?)

In Bash, there appear to be several variables which hold special, consistently-meaning values. (在Bash中，似乎有几个变量具有特殊的，一致意义的值 ... others? (还有其他人吗？) ask by Z Douglas translate from so...

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

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410 views

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haskell - “你不明白欣德利 - 米尔纳的哪一部分？”(“What part of Hindley-Milner do you not understand?”)

I swear there used to be a T-shirt for sale featuring the immortal words: (我发誓曾经有一件T恤出售，上面写着不朽的话：) What part of ... 这个符号海洋的含义，那将会有所帮助 ) ask by MathematicalOrchid translate from so...

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

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239 views

1 answer

python - 查找列表的平均值(Finding the average of a list)

I have to find the average of a list in Python. (我必须在Python中找到列表的平均值 )This is my code so far (到目前为止，这是我的代码) l = [15 ... 中的值相加，但是我不知道如何将其划分为它们？) ask by Carla Dessi translate from so...

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

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