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Recent questions in Technique[技术]
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excel - 仅Excel VBA复制粘贴值(xlPasteValues)(Excel VBA Copy Paste Values only( xlPasteValues ))
I'm trying to copy entire column in sheetA to Sheet B. sheetA column has values formed with formuls. (我正在尝试 ... Application.CutCopyMode = False End Sub ask by sam translate from so...
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javascript - 检查值是否是JavaScript中的对象(Check if a value is an object in JavaScript)
如何检查值是否是JavaScript中的Object? ask by Danny Fox translate from so...
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shell - 如何使用SSH在远程计算机上运行shell脚本?(How to use SSH to run a shell script on a remote machine?)
I have to run a shell script (windows/Linux) on a remote machine. (我必须在远程机器上运行shell脚本(windows / Linux) ) I have SSH ... ? (有没有办法使用plink / ssh运行?) ask by translate from so...
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java - 有什么方法可以使鼠标侦听器自动化?(Any way to make a mouse listener automated?)
Lets say I have an array of {0,1,2} an I draw a random number. (可以说我有一个{0,1,2}的数组,我画了一个随机数 )If random ... e) { //to do code } }); ask by Sosruko Gorgasali translate from so...
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r - 多列频率表是否存在循环以生成条形图?(Is there a loop for frequency table of multiple columns to generate bar plots?)
I have the following data: (我有以下数据:) df1<-read.table(text="Class1 Class2 Class3 M1 M2 M3 Z1 Z2 Z3 C E D Apple Apple ... 先映射变量,然后使用lappy运行这些图 ) ask by User20100 translate from so...
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python - 如何检查文件是否存在无例外?(How do I check whether a file exists without exceptions?)
不使用try语句如何查看文件是否存在? ask by spence91 translate from so...
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r - 为什么在使用ifelse / mutate函数时会忽略NA?(Why are the NAs being ignored while I'm using the ifelse/mutate functions?)
So I have a data frame with several occurences of different species and a "new_name" empty column that I want to fill with ... (预先感谢您的任何答案) ask by tadeufontes translate from so...
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469
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database - 数据库,表和列的命名约定? [关闭](Database, Table and Column Naming Conventions? [closed])
Whenever I design a database, I always wonder if there is a best way of naming an item in my database. (每当我设计数据库时,我总是想知道 ... 没有建议的准则来命名数据库中的项目?) ask by GateKiller translate from so...
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496
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artificial-intelligence - 偏差在神经网络中的作用(Role of Bias in Neural Networks)
I'm aware of the Gradient Descent and the Back-propagation Theorem. (我知道梯度下降和反向传播定理 )What I don't get is: When is using a ... 中1个是偏置)时,它会给出正确的权重 ) ask by Karan translate from so...
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429
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javascript - 使用jQuery在屏幕上居中放置DIV(Using jQuery to center a DIV on the screen)
如何使用jQuery在屏幕中央设置<div> ? ask by Craig translate from so...
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javascript
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491
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laravel - 如何在Laravel Passport中处理OAuth异常?(How to handle OAuth exception in Laravel Passport?)
I am working on laravel passport package. (我正在研究laravel护照包 )When i revoke token and access the authenticated endpoint it ... )Thanks, (谢谢,) ask by Amir Khan translate from so...
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laravel
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401
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angularjs - AngularJs $ http.post()不发送数据(AngularJs $http.post() does not send data)
Could anyone tell me why the following statement does not send the post data to the designated url? (谁能告诉我为什么以下声明不会将 ... 将其作为javascript对象发送吗?) ask by Spencer Mark translate from so...
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angularjs
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370
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javascript - 在IE11上访问localStorage时,Microsoft Internet扩展中发生内部错误(An internal error occurred in the Microsoft Internet extensions when accessing localStorage on IE11)
Quite strange this one. (这个很奇怪 ) I was testing a webpage on IE11 when I suddenly realized that each time that javascript code ... 功,任何见识都会受到赞赏 ) ask by Bardo translate from so...
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javascript
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326
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javascript - 如何在EJS(和Webpack下)中显示主机名(How to display hostname in EJS (and under webpack))
I working under a webpack solution and using EJS to render my pages and i want to display the hostname (my-domain.com) ... 果将是 my-domain.com ) ask by PedroZorus translate from so...
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296
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javascript - 使用Vue路由器时Laravel路由不起作用(Laravel routes not working when using Vue Router)
I am trying to call a laravel route Route::get('/logout', 'Auth\LoginController@logout'); (我正在尝试调用一条laravel路由Route::get( ... 什么它不调用我的laravel路由呢?) ask by Fantasmic translate from so...
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javascript
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166
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javascript - 文件上传时如何编辑CSS(How to edit css when file is uploaded)
I have a form where users can upload a file. (我有一个表单,用户可以在其中上传文件 ) The uploading and validation afterwards (filesize, ... (我将如何最轻松地做到这一点?) ask by Daiaiai translate from so...
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javascript
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340
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javascript - 阵列推送将覆盖先前推送的数据(Array push is overwriting previously pushed data)
I am trying to build a sample Restaurants app using Angular 8. I am using @Input() to pass individual restaurant data as object ... 店添加到收藏夹数组?) ask by B Basak translate from so...
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Mar 6, 2021
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71.8m
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javascript
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votes
446
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1
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javascript - 将鼠标悬停在不同的文本消息上时,在同一帧中显示不同的图像(Display different images in same frame when hovering over different text messages)
Ok I'm stumped. (好吧,我很困惑 ) Im trying to figure out how to hover over different words to show an image in the same ... " /></iframe> </div> ask by Tahar Khan translate from so...
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Mar 6, 2021
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javascript
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462
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javascript - 如何通过navigationOptions内部的文本输入来更新本机组件的状态?(How to update the state for react native component from a text input inside the navigationOptions?)
I want to set the searchValue state whenever onChangeText event fires, and I want to make the value of the ... export default SearchScreen; ask by Ali Zuhair translate from so...
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Mar 6, 2021
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javascript
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305
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1
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javascript - 如何在Api调用中使用引导程序创建3 X 3(Col X行)的画廊(how to create a gallery of 3 X 3 (Col X Row) using bootstrap on Api call)
using Bootstrap for UI and call a api for images to diplay in 3X3 [Col X Row] using javascript Async-Await. (使用Bootstrap ... <!-- main ends --> ask by Siddhesh translate from so...
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71.8m
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276
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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...
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Mar 6, 2021
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71.8m
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javascript
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329
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javascript - 用于检测控件的“ Class”属性何时更改的任何事件(Any event to detect when the “Class” attribute is changed for a control)
I have a "div" control with some id="myDiv" class="myClass" var var1=10; (我有一个带有某些id="myDiv" class="myClass" var var1=10 ... (那么我如何认识到班级的这种变化呢?) ask by user695663 translate from so...
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Mar 6, 2021
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420
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javascript - 如何将字符串与变量连接?(How do I concatenate a string with a variable?)
So I am trying to make a string out of a string and a passed variable(which is a number). (所以我试图用字符串和传递的变量(这是一个 ... appreciated. (所以任何帮助都将非常感激 ) ask by necker translate from so...
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Mar 6, 2021
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321
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javascript - 向对象添加元素(Adding elements to object)
I need to populate a json file, now I have something like this: (我需要填充一个json文件,现在我有了类似的东西:) {"element":{"id":10,"quantity" ... 了我的问题,我也使用了很多建议,谢谢大家!) ask by HypeZ translate from so...
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542
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javascript - 如何允许输入数字类型具有空格和逗号(How to allow input number type to have space and comma)
How can you allow input type="number" to accept something like 1, 2, 3, 55 rather than just regular number with decimal. (如何允许 ... +([.,][0-9]+)?"> ask by MrNew translate from so...
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430
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javascript - 传递调用结果时出现异常:TypeError:不是流星中的函数(Exception in delivering result of invoking : TypeError: is not a function in meteor)
When I added in onSuccessCreateClass into meteor.call callback and this error come up. (当我将onSuccessCreateClass添加到meteor.call回调中 ... } }) } }, ask by phongyewtong translate from so...
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Mar 6, 2021
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484
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javascript - 如何使用JavaScript替换字符串中的所有点(How to replace all dots in a string using JavaScript)
I want to replace all the occurrences of a dot( . ) in a JavaScript string (我想替换JavaScript字符串中所有出现的dot( . )) For example, I ... 但这最终将所有字符串替换为空格 ) ask by Omar Abid translate from so...
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javascript - 正则表达式(Javascript)允许忽略逗号(regex (Javascript) allow comma to be ignore)
const value = 'I am a student. My age is 5'; const regex = new RegExp('\b' + value, 'i'); //what to add here? ... true. (我想忽略,使第二个字符串为true ) ask by Jennifer translate from so...
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