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287 views

1 answer

python - 遍历Python中的列表(Looping over a list in Python)

I have a list with sublists in it. (我有一个带有子列表的列表 )I want to print all the sublists with length equal to 3. (我想打 ... ? (我必须在Eclipse中更改任何设置吗？) ask by user1188821 translate from so...

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

0 votes

503 views

1 answer

android - 将光标放在EditText的文本末尾(Place cursor at the end of text in EditText)

I am changing the value of an EditText on keyListener . (我正在keyListener上更改EditText的值 ) But when I change the text the cursor is ... 中将光标移动到文本的末尾 ) ask by Manu translate from so...

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

0 votes

223 views

1 answer

c# - 如何制作仅接受数字的文本框？(How do I make a textbox that only accepts numbers?)

I have a windows forms app with a textbox control that I want to only accept integer values. (我有一个带有文本框控件的Windows窗体应用程序，我只想 ... 会立即向用户提供有关无效字符的反馈 ) ask by Mykroft translate from so...

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

0 votes

504 views

1 answer

javascript - 在JavaScript中格式化日期为MM / dd / yyyy [重复](Format date to MM/dd/yyyy in JavaScript [duplicate])

This question already has an answer here: (这个问题在这里已有答案：) Where can I find documentation on formatting a date in JavaScript? (我 ... (任何人都帮我做同样的事情 ) ask by Pradeep translate from so...

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

0 votes

365 views

1 answer

jquery - jQuery获取select onChange的值(jQuery get value of select onChange)

I was under the impression that I could get the value of a select input by doing this $(this).val(); (我的印象是我可以通过执行 ... using this. (我该怎么做呢 ) ask by Robin Knight translate from so...

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

0 votes

477 views

1 answer

python - 从另一个Python脚本运行一个Python脚本，并传入参数[重复](Run a Python script from another Python script, passing in arguments [duplicate])

This question already has an answer here: (这个问题已经在这里有了答案：) What is the best way to call a script from another script? (从 ... . (我只是很困惑你怎么做 ) ask by Gern Blanston translate from so...

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

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334 views

1 answer

perl - perl5库可以在perl6中导入吗？(Are perl5 libraries are importable in perl6?)

I know that perl6 will definetely allow importing perl5 code but I'm not able to do this. (我知道perl6将明确允许导入perl5代码，但我无法做到这一 ... (是否有任何配置问题或尚未准备好？) ask by teodozjan translate from so...

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

0 votes

343 views

1 answer

python - 如何在python中将HTML文件作为字符串存储在变量中(How to store a html file in a variable as a string in python)

I have html file and I want to store the contents of that file in a variable as a string value. (我有html文件，我 ... = ''.join(raw_html) return str ask by SumanKalyan translate from so...

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

0 votes

460 views

1 answer

css - 背景颜色的不透明度，但不是文本[重复](Opacity of background-color, but not the text [duplicate])

This question already has an answer here: (这个问题在这里已有答案：) How do I give text or an image a transparent background using CSS? (如何使 ... 知道，所以我可以查看他们的代码） ) ask by Nir translate from so...

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

0 votes

223 views

1 answer

javascript - 将数组项复制到另一个数组中(Copy array items into another array)

I have a JavaScript array dataArray which I want to push into a new array newArray . (我有一个JavaScript数组dataArray ，我想将其推入一个新的 ... 迭代每个dataArray ，逐个添加项目？) ask by bba translate from so...

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

0 votes

355 views

1 answer

javascript - 测试是否使用jQuery选中了复选框(Testing if a checkbox is checked with jQuery)

If the checkbox is checked, then I only need to get the value as 1; (如果选中该复选框，那么我只需要将值设为1;)otherwise, I need ... ="checkbox" id="ans" value="1" /> ask by Rajeev translate from so...

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

0 votes

270 views

1 answer

javascript - D3中的节点和链接（反应）：如何通过我的链接连接节点？(Nodes and links in D3 (React): How to connect nodes through my links?)

We're trying to connect our nodes but it doesn't work. (我们正在尝试连接节点，但无法正常工作 )The nodes are beeing displayed but not their ... it out. (方法，但我们无法解决 ) ask by Lars translate from so...

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

0 votes

340 views

1 answer

python - 如何克隆或复制列表？(How to clone or copy a list?)

What are the options to clone or copy a list in Python? (在Python中克隆或复制列表有哪些选项？) While using new_list = my_list , any ... Why is this? (为什么是这样？) ask by aF. translate from so...

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

0 votes

197 views

1 answer

sql - 使用父列时如何查找匹配值？(How to find matching values when working with parent column?)

I have the following tables: (我有以下表格：) articles: (文章：) article_id category_id 1 10-1 2 20-1 3 NULL categories: (类别： ... 用PrestoSQL，但我认为可以使用本机sql解决 ) ask by HaloKu translate from so...

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

0 votes

341 views

1 answer

json - 如何在Shell脚本中漂亮地打印JSON？(How can I pretty-print JSON in a shell script?)

Is there a (Unix) shell script to format JSON in human-readable form? (是否有（Unix）Shell脚本以易于理解的格式格式化JSON？) Basically, ... ", "bar": "ipsum" } ask by community wiki translate from so...

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

0 votes

538 views

1 answer

javascript - 当CSS从可见性变为隐藏时，为什么会产生闪烁效果(Why it will produce blinking effect when css turn from visibility visible to hidden)

<div style='position:relative'> <div id ='tag' style=' border: 1px solid red; position : absolute; top: 20px; ... http : //jsfiddle.net/uFLPg/) ask by dramasea translate from so...

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

0 votes

449 views

1 answer

git - 如何通过HTTP代理从Git存储库中提取？(How do I pull from a Git repository through an HTTP proxy?)

Note: while the use-case described is about using submodules within a project, the same applies to a normal git clone of a ... 例如rails ） ) ask by James A. Rosen translate from so...

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

0 votes

462 views

1 answer

java - 如何在Java中从另一个调用一个构造函数？(How do I call one constructor from another in Java?)

Is it possible to call a constructor from another (within the same class, not from a subclass)? (是否可以从另一个（在同一类中，而不是在子类中 ... 方法是什么（如果有几种方法可以做到）？) ask by ashokgelal translate from so...

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

0 votes

501 views

1 answer

if-statement - 否则，如果在第一次迭代时停止[Arduino](else if stops at first iteration [Arduino])

My code stops at the first iteration for the phot_val "if" statement. (我的代码在phot_val if 语句的第一次迭代中停止 ) /////// Code loop ... 直到其完整播放为止，然后继续读取数据 ) ask by Runylu translate from so...

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

0 votes

364 views

1 answer

html - 我需要一个没有任何项目符号的无序列表(I need an unordered list without any bullets)

I have created an unordered list. (我创建了一个无序列表 )I feel the bullets in the unordered list are bothersome, so I want to ... (可以有没有项目符号的清单吗？) ask by praveenjayapal translate from so...

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

0 votes

371 views

1 answer

r - 从数据框中提取特定列(Extracting specific columns from a data frame)

I have an R data frame with 6 columns, and I want to create a new dataframe that only has three of the columns. (我有一个包含6列的 ... 有更紧凑的方法可以做到这一点？) ask by Aren Cambre translate from so...

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

0 votes

405 views

1 answer

ssl - kubernetes +入口控制器+让加密+阻止混合内容(kubernetes + ingress controller + lets encrypt + block mixed content)

Thanks for taking the time to read this. (感谢您抽时间阅读 ) I am testing a cluster of kubernetes in digitalocean. (我正在Digitalocean中测 ... (非常感谢你花时间陪伴) ask by Athos Oc translate from so...

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

0 votes

238 views

1 answer

sections - 如何使用[String：generic struct]与Json列出(How to list with Json with [String:generic struct])

I have this struct, : (我有这个结构：) // MARK: - JsonAPIData struct JsonAPIData: Codable { let data: [String: ... 修复APIData列表keys和values ？) ask by Cesare Piersigilli translate from so...

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

0 votes

576 views

1 answer

java - JavaFX如何删除按钮的边框(JavaFX how to remove the borders from button)

https://i.stack.imgur.com/Y76Fl.png (https://i.stack.imgur.com/Y76Fl.png) On this picture on left side - ... /github.com/captsmi??le/calc) ask by user63180 translate from so...

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

0 votes

250 views

1 answer

scala - 如何在Scala中合并多个导入？(How to merge multiple imports in scala?)

Assume I have a library a.com. (假设我有一个图书馆a.com )Everytime and in each file, I need to import a lot of package like ( ... (反正有防止这种情况发生的方法吗？) ask by worldterminator translate from so...

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

0 votes

232 views

1 answer

sql - 我的代码在此行出现错误(I am getting error on this line in my code)

I am still developing my School management system. (我仍在开发学校管理系统 )I want to create a multiple username and password for ... Me.utype & "',)" ask by Levis kerzuah translate from so...

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

0 votes

322 views

1 answer

javascript - 如何使用JavaScript以编程方式设置选择框元素的值？(How do I programmatically set the value of a select box element using JavaScript?)

I have the following HTML <select> element: (我有以下HTML <select>元素：) <select id="leaveCode" name="leaveCode"> <option value=" ... 如何在列表中选择适当的选项？) ask by brasskazoo translate from so...

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

0 votes

386 views

1 answer

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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