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441 views

1 answer

mysql - 如何在单个查询中使用AND＆LIKE OR运算符进行搜索(how to search using AND & LIKE OR operator in asingle query)

I am designing a library management system I want to design a pending request page that select and displays all information ... } return list; ask by ELYAS AYALEW translate from so...

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

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203 views

1 answer

html - CSS工具提示中的链接(Links in CSS Toolstips)

I've got the following problem I can't wrap my head around: For an image I created a pseudo image map via CSS to have ... 做到这一点（最好是CSS / HTML）？) ask by Gorly translate from so...

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

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432 views

1 answer

android - 如何在Android上显示警报对话框？(How do I display an alert dialog on Android?)

I want to display a dialog/popup window with a message to the user that shows "Are you sure you want to delete this entry?" ... 框或弹出窗口及其功能？) 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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471 views

1 answer

typescript - TSLint：表达式的类型为“ void”。单独声明(TSLint: Expression has type `void`. Put it on its own line as a statement)

When I run firebase deploy the CLI app runs the TS compiler and TSLint throws the error shown on the commented line: ... non-zero exit code2 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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318 views

1 answer

android - 如何使用保存实例状态保存Android Activity状态？(How to save an Android Activity state using save instance state?)

I've been working on the Android SDK platform, and it is a little unclear how to save an application's state. (我一直在研究Android ... ，并且没有发现任何明显的问题 ) ask by Bernard translate from so...

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

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408 views

1 answer

javascript - 如何在Node.js的console.log（）中获得完整的对象，而不是“ [Object]”？(How can I get the full object in Node.js's console.log(), rather than '[Object]'?)

When debugging using console.log() , how can I get the full object? (使用console.log()调试时，如何获取完整的对象？) const myObject = { "a ... property f . (但我也想看看属性f的内容 ) ask by translate from so...

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

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447 views

1 answer

android - 如何在Android应用中更改背景颜色(How to change background color in android app)

我希望能够以最简单的方式在我的android应用中将背景颜色更改为白色。 ask by ryan translate from so...

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

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165 views

1 answer

python - 将列表分配给python列的一部分(Assign a list to part of a column python)

df1 has shape 4 column with 5 rows, and df2 has shape 2 columns with 7 rows. (df1具有形状4列和5行，而df2具有形状2列和7行 ) I ... ] else: break any help pls (任何帮助) ask by Jienkles translate from so...

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

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209 views

1 answer

php - PHP中的NOW（）函数(NOW() function in PHP)

Is there a PHP function that returns the date and time in the same format as the MySQL function NOW() ? (是否有一个PHP函数以与 ... 返回：) 2009-12-01 00:00:00 ask by MoeAmine translate from so...

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

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494 views

1 answer

c++ - std ::带模板的函数，类型问题，没有匹配的调用函数(std::function with template, type problem, no matching function for call)

I have a function defined this way: (我有这样定义的函数：) template <size_t SIZE> double MyFun(std::function<double(std::array< ... Thank you :) (谢谢：）) ask by LucioPhys translate from so...

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

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345 views

1 answer

node.js - 异步等待所有承诺(async await with promise all)

I want to know if I am using promise.all correctly with async await. (我想知道我是否在异步等待中正确使用promise.all ) Basically, ... 01-11T22:00:00.000Z' } ] ] ask by user10980228 translate from so...

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

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578 views

1 answer

reactjs - 单击“自动完成材料UI”按钮时如何删除所选值？(How to remove selected value when click button of Autocomplete Material UI?)

I'm using autocomplete of material-ui, and trying to delete selected value whenever click a button but can not find any ... } ></Autocomplete>``` ask by randomguy translate from so...

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

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356 views

1 answer

java - Java反射-使用int [] []参数调用方法[duplicate](Java reflection - Invoke method with int[][] argument [duplicate])

This question already has answers here) : 这个问题已经在这里有了答案) ：) Java: NoSuchMethodException when method clearly exists (4 answers ... (如何做到这一点？) ask by Curious Coder translate from so...

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

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389 views

1 answer

reactjs - npm start和在React中编译的问题(Issue with npm start and compiling in react)

so i have been assigned to maintain a react website. (因此，我已被分配维护一个React网站 )i am facing some problem with running the ... 有其他需要，请告诉我谢谢) ask by Abdullah Saud translate from so...

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

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539 views

1 answer

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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182 views

1 answer

android - 如何在TextView中显示HTML？(How to display HTML in TextView?)

I have simple HTML : (我有简单的HTML ：) <h2>Title</h2><br> <p>description here</p> I want to display HTML styled text it ... to do this? (这该怎么做？) 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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378 views

1 answer

javascript - 在执行下一行之前等待5秒(Wait 5 seconds before executing next line)

This function below doesn't work like I want it to; (下面的这个功能不像我想要的那样工作;)being a JS novice I can't figure ... { alert('VIDEO HAS STOPPED'); } } ask by copyflake translate from so...

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

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293 views

1 answer

math - 设计函数f（f（n））== -n(Designing function f(f(n)) == -n)

A question I got on my last interview: (我上次面试时遇到的一个问题：) Design a function f , such that: (设计一个函数f ，使得：) f(f(n ... 设计它 ) Any ideas? (有任何想法吗？) 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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379 views

1 answer

dart - 颤振中的装饰图像模糊(Blurred Decoration Image in Flutter)

I have the background of my app set like so (我的应用背景如下) class MyApp extends StatelessWidget { @override Widget build( ... wrong? (我在做什么错？) ask by ErraticFox translate from so...

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

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456 views

1 answer

bash - echo输出到stderr(echo that outputs to stderr)

Is there a standard Bash tool that acts like echo but outputs to stderr rather than stdout? (是否有一个标准的Bash工具，它像echo一样输出到stderr而不是 ... 情发生变化时更有可能被编辑错误） ) ask by BCS translate from so...

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

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335 views

1 answer

javascript - 如何使用jQuery按名称选择元素？(How can I select an element by name with jQuery?)

Have a table column I'm trying to expand and hide: (有一个表格列我正在尝试展开和隐藏：) jQuery seems to hide the td elements when I ... bold"> data2</td> </tr> ask by T.T.T. translate from so...

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

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371 views

1 answer

java - 如何在没有迭代器的情况下迭代Set / HashSet？(How to Iterate over a Set/HashSet without an Iterator?)

How can I iterate over a Set / HashSet without the following? (如何在没有以下内容的情况下迭代Set / HashSet ？) Iterator iter ... .out.println(iter.next()); } ask by user1621988 translate from so...

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

0 votes

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

0 votes

266 views

1 answer

c++ - 如何找出std :: vector中是否存在项目？(How to find out if an item is present in a std::vector?)

All I want to do is to check whether an element exists in the vector or not, so I can deal with each case. (我要做 ... ) do_this(); else do_that(); ask by Joan Venge translate from so...

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

0 votes

302 views

1 answer

php - 显示一个数字到小数点后两位(Show a number to two decimal places)

What's the correct way to round a PHP string to two decimal places? (将PHP字符串四舍五入到小数点后两位的正确方法是什么？) $number = ... ? (round_to_2dp()函数定义应该如何？) ask by Rich Bradshaw translate from so...

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

0 votes

109 views

1 answer

node.js - 使用node.js作为简单的Web服务器(Using node.js as a simple web server)

I want to run a very simple HTTP server. (我想运行一个非常简单的HTTP服务器 )Every GET request to example.com should get index. ... 些图像，CSS和JavaScript提供单个HTML页面？) ask by idophir translate from so...

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

0 votes

225 views

1 answer

bash - 如何清除/删除终端中的当前行？(How do I clear/delete the current line in terminal?)

If I'm using terminal and typing in a line of text for a command, is there a hotkey or any way to clear/delete that line? (如果 ... 因此除非我多次按↓，否则它不起作用 ) ask by triad translate from so...

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

0 votes

258 views

1 answer

c# - 如何在JSON中编写POST请求以发布新产品？(How do I write a POST request in JSON to post a new product?)

I am working on a WebAPI. (我正在使用WebAPI )I have used Entity framework to make an SQL database via the ... /github.com/tux-superman/VitekSky) ask by CodingStudent translate from so...

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

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