Recent questions in Technique[技术]

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javascript - 如何使用“是”和“否”选项创建对话框？(How to create a dialog with “yes” and “no” options?)

I am going to make a button to take an action and save the data into a database. (我将创建一个按钮来执行操作并将数据保存到数据库中 ) Once ... such a dialog? (如何显示这样的对话框？) ask by crchin translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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417 views

1 answer

ios - 可以访问选项值而不是仅选择索引的自定义选择器(Custom picker with access to option value instead of just selected index)

I'm trying to implement a custom Picker that makes a custom value available to the parent (as opposed to just the selected index) ... 行操作有任何提示？) ask by Sam Turner translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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516 views

1 answer

sql-server - 如何将逗号分隔的值拆分为列(How to split a comma-separated value to columns)

I have a table like this (我有这样的桌子) Value String ------------------- 1 Cleo, Smith I want to separate the comma ... fixed extra columns (我只需要两个固定的额外列) ask by Gurru translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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537 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 Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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333 views

1 answer

javascript - JavaScript检查变量是否存在（已定义/初始化）(JavaScript check if variable exists (is defined/initialized))

Which method of checking if a variable has been initialized is better/correct? (哪种方法检查变量是否已初始化是更好/正确的方法？)(Assuming ... ) if (elem != null) { ask by Samuel Liew translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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495 views

1 answer

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 Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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julia - 我可以在julia中定义一个指针吗？(Can I define a pointer in julia?)

How do I define a pointer to a variable or list element in Julia? (如何在Julia中定义指向变量或列表元素的指针？)I have tried reading some ... ，但对于在Julia中使用指针感到非常困惑 ) ask by bitWise translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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364 views

1 answer

typescript - TypeScript将字符串转换为数字(TypeScript Converting a String to a number)

Anyone a suggestion on how to convert a string to a number in TypeScript? (有人建议如何将字符串转换为TypeScript中的数字？) var aNumber : ... 中，如何检查字符串是否为数字 ) ask by Paul0515 translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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276 views

1 answer

android - GridView行外页边距(GridView rows outer margin)

I cannot find out a way to add an outer margin to the GridView rows. (我找不到一种向GridView行添加外边距的方法 )I found the ... 到了推荐：) Thanks! (谢谢！) ask by Diego Acosta translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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197 views

1 answer

java - 无法设置ActionView意图(Can't setup the ActionView intent)

I would like to have some possibility in my app. (我想在我的应用中有一些可能性 )I'd like to open browser by link which will be ... .show(); } }); return listView; } ask by Aws translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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149 views

1 answer

javascript - 如何检查字符串“ StartsWith”是否为另一个字符串？(How to check if a string “StartsWith” another string?)

How would I write the equivalent of C#'s String.StartsWith in JavaScript? (如何在JavaScript中编写等效于C＃的String.StartsWith ？) var haystack = ... ，浏览器支持还远远没有完成 ) ask by translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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268 views

1 answer

html - 如何最好地使用CSS替代聊天气泡定位？(How to best alternate chat bubbles positioning with CSS?)

The section of code that I am using is shown below and it shows all the bubbles on the left side, ie either the ... white; background-color: pink; } ask by Fergo translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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354 views

1 answer

python - Python：将数据从一个文件传递到另一个文件(Python: Pass Data From One File to Another)

For example, I have two files, a.py, and b.py. (例如，我有两个文件a.py和b.py )I would like b.py to access data from a.py. ... the examples to work. (我无法使示例工作 ) ask by Xa1 translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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612 views

1 answer

oracle - 在Oracle SQL中计算2个日期/时间之间的差异(Calculate difference between 2 date / times in Oracle SQL)

I have a table as follows: (我有一张桌子，如下所示：) Filename - varchar Creation Date - Date format dd/mm/yyyy hh24:mi:ss Oldest cdr ... 有几天）之间的差异？) Thanks (谢谢) ask by Steve translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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323 views

1 answer

java - 如何将本地jar文件添加到Maven项目？(How to add local jar files to a Maven project?)

如何在项目的库源代码中直接添加本地jar文件（尚未成为Maven存储库的一部分）？ ask by Praneel PIDIKITI translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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255 views

1 answer

css - CSS显示属性上的过渡(Transitions on the CSS display property)

I'm currently designing a CSS 'mega dropdown' menu - basically a regular CSS-only dropdown menu, but one that contains ... 我想说的还有点不足 ) ask by RichardTape translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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270 views

1 answer

javascript - 将代理应用于对象(Applying proxy to an object)

Hi, I am trying to transform an object into a proxy, without changing the reference to the object: (嗨，我正在尝试将一 ... does not work: proxy-proxy-bar ask by Hammerbot translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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381 views

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c - C语言程序中的错误和警告(erro and warning in c programe)

I am trying to Make linked list with character[26]. (我正在尝试用字符[26]制作链表 )which i will be using for String. ... node)); newnode.pointer=&Head; } ask by Owais Qureshi translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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432 views

1 answer

c# - 构造函数中的虚拟成员调用(Virtual member call in a constructor)

I'm getting a warning from ReSharper about a call to a virtual member from my objects constructor. (我从ReSharper得到警告，关于从对象构造函数调用 ... ? (为什么这不是要做的事情？) ask by JasonS translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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351 views

1 answer

c++ - 何时使用虚拟析构函数？(When to use virtual destructors?)

I have a solid understanding of most OO theory but the one thing that confuses me a lot is virtual destructors. (我对大多数面向对象理论有扎实 ... 您打算何时将它们虚拟化？为什么？) ask by Lodle translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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211 views

1 answer

sql - 从SQL Server中的两个不同服务器中选择数据(Selecting data from two different servers in SQL Server)

如何从SQL Server中两个不同服务器上的两个不同数据库中的同一查询中选择数据？ ask by translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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453 views

1 answer

git - 将现有未提交的工作移至Git中的新分支(Move existing, uncommitted work to a new branch in Git)

I started some work on a new feature and after coding for a bit, I decided this feature should be on its own branch. (我开始了一项 ... 保留新功能的现有工作 ) ask by Dane O'Connor translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

331 views

1 answer

linux - 如何计算文档中的行？(How to count lines in a document?)

I have lines like these, and I want to know how many lines I actually have... (我有这样的线，我想知道我实际有多少行......) 09: ... commands? (有没有办法用linux命令统计它们？) ask by Alucard translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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340 views

1 answer

python - Python将纯文本显示为html [重复](Python display plain text as html [duplicate])

This question already has answers here) : 这个问题已经在这里有了答案) ：) Passing HTML to template using Flask/Jinja2 (4 answers) 使用 ... 而不是将其显示为纯文本？) ask by Terchil? Marian translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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384 views

1 answer

javascript - 如何在JavaScript中进行关联数组/哈希(How to do associative array/hashing in JavaScript)

I need to store some statistics using JavaScript in a way like I'd do it in C#: (我需要使用JavaScript来存储一些统计信息，就像在C＃中那样：) ... such a way? (如何以这种方式存储值？) ask by George2 translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

708 views

1 answer

elixir - 确定地图是否具有某些键的正确方法(Proper way to determine if a Map has certain keys)

I have a List of required keys (required_keys): (我有一个必需键列表（required_keys）：) ["artist", "track", "year"] and a Map (params): ... 错误的，但不确定如何进行模式匹配 ) ask by Midwire translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

455 views

1 answer

android - 将图像加载到位图对象时出现内存不足问题(Strange out of memory issue while loading an image to a Bitmap object)

I have a list view with a couple of image buttons on each row. (我有一个列表视图，每行都有几个图像按钮 ... (4204): xxxxxxxxxxxxxxxxxxxx allocPixelRef failed ask by community wiki translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

212 views

1 answer

sql - 改善Teradata中表的创建(improving the creation of a table in teradata)

I need help to improve a table creation in teradata. (我需要帮助来改善Teradata中的表创建 )this table has a huge data and we retrieve the ... 量数据，我们从中大量检索数据) ask by Tarek Sayed translate from so...

asked Feb 21, 2021 in Technique[技术] by 深蓝 (71.8m points)

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