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385 views

1 answer

oracle - 为什么在Oracle Apex中出现太多行错误？ [关闭](Why am I getting a too many rows error in Oracle Apex? [closed])

Closed.) 关闭 )) This question is off-topic . 这个问题是题外话 ) It is not currently accepting answers. 它当前不接受答案 ) Want to ... : (请在下面的图片中查看错误：) ask by Basudev Singh translate from so...

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

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268 views

1 answer

php - Laravel 5：以一对多关系链接多对多关系(Laravel 5 : Chain many to many relation with one to many relation)

I have three tables in my database : 1) Teacher 2) Course 3) Timetable (我的数据库中有三个表格：1）老师2）课程3）时间表) Teacher and ... > Course | | One to Many | TimeTable ask by MSD translate from so...

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

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314 views

1 answer

ios - 免除阴影阴影(Exempt shadow from screen blending)

Trying to use a View.shadow(...) function in SwiftUI to create a glow effect around an object in concert with ... ) .blendMode(.screen) ask by Spencer Connaughton translate from so...

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

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304 views

1 answer

r - 在R中，如何用最小二乘法估算样条曲线？(In R, how to estimate the spline curve by Least Square method?)

n = 50 set.seed(100) x = matrix(runif(n, -2, 2), nrow=n) y = 2 + 0.75*sin(x) - 0.75*cos(x) + rnorm(n, 0, 0. ... ，请也告诉我 ) Thank you very much. (非常感谢你 ) ask by abba translate from so...

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

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406 views

1 answer

c++ - const int *，const int * const和int const *有什么区别？(What is the difference between const int*, const int * const, and int const *?)

I always mess up how to use const int* , const int * const , and int const * correctly. (我总是搞砸了如何正确使用const int* ， const int * ... 知道在分配，传递给函数等方面所有需要做的事情 ) ask by translate from so...

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

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431 views

1 answer

rust - 没有为`std :: result :: Result实现特质`std :: future :: Future` <reqwest::Response, reqwest::Error> `(The trait `std::future::Future` is not implemented for `std::result::Result<reqwest::Response, reqwest::Error>`)

I'm trying to run basic reqwest example : (我正在尝试运行基本的reqwest 示例：) extern crate reqwest; extern crate tokio; #[tokio::main ... ? (有人知道这是怎么回事吗？) ask by semanser translate from so...

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

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217 views

1 answer

java - 如何将/转换/转换为String？(How to convert / cast long to String?)

I just created sample BB app, which can allow to choose the date. (我刚刚创建了示例BB应用程序，可以选择日期 ) DateField ... Long.parseLong("myStr");)? (？) ask by user225714 translate from so...

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

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214 views

1 answer

javascript - 用jQuery预加载图像(Preloading images with jQuery)

I'm looking for a quick and easy way to preload images with JavaScript. (我正在寻找一种快速简单的方法来用JavaScript预加载图像 )I'm using jQuery if ... 需要一种快速，轻松和简短的预加载图像方式！) ask by translate from so...

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

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541 views

1 answer

error-handling - PHP在哪里存储错误日志？（php5，apache，fastcgi，cpanel）(Where does PHP store the error log? (php5, apache, fastcgi, cpanel))

I am on shared hosting and have Cpanel, Apache, PHP is run by fastcgi. (我在共享主机上，并由fastcgi运行Cpanel，Apache，PHP )Where does PHP ... 用的是PHP 5.2.16版） ) ask by PHPLOVER translate from so...

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

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536 views

1 answer

java - 无法在IntelliJ IDEA中导入Spring Boot Maven项目-导入后IDE不响应(Unable to import spring boot maven project in IntelliJ IDEA - IDE not responding after importing)

I recently started working on a new mini spring-boot project (I'm very new to this) for learning purposes. (我最近开始 ... 25.231-b11, mixed mode) ask by Akhila Rajeev translate from so...

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

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289 views

1 answer

python - Python中的“命名元组”是什么？(What are “named tuples” in Python?)

Reading the changes in Python 3.1 , I found something... unexpected: (阅读Python 3.1中的更改后，我发现了一些意外 ) The sys. ... 表（命名元组的可变版本）？) ask by Denilson Sá Maia translate from so...

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

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319 views

1 answer

python - 在Elasticsearch DSL中重置索引名称(Reset index name in elasticsearch dsl)

I'm trying to create an ETL that extracts from mongo, process the data and loads into elastic. (我正在尝试创建一个从mongo中提取，处理数据并 ... subject. (抱歉，我对此一无所知 ) ask by raul translate from so...

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

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425 views

1 answer

html - 单击手机网页中的链接时如何触发电话(How to trigger a phone call when clicking a link in a web page on mobile phone)

I need to build a web page for mobile devices. (我需要为移动设备构建一个网页 )There's only one thing I still haven't figured out: ... ...对大多数移动设备也是如此 ) ask by Frederic Morin translate from so...

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

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502 views

1 answer

composer-php - 我可以在Symfony 5上安装LiipImagineBundle吗？(Can I install LiipImagineBundle with Symfony 5?)

I'm trying to install LiipImagineBundle with Symfony 5 but I'm getting this error : (我正在尝试使用Symfony 5安装LiipImagineBundle，但出现此错误： ... 我怎样才能解决这个问题？) ask by simslay translate from so...

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

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403 views

1 answer

php - 如何使用字符串变量访问对象的子级？(How to access children of an object using a string variable?)

I have a function where I want to work with an object. (我有一个要在其中使用对象的函数 )I would like to specify a child of that ... 789 ) ) Thank you! (谢谢！) ask by Josef Habr translate from so...

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

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969 views

1 answer

integer - int32的最大值是多少？(What is the maximum value for an int32?)

I can never remember the number. (我永远记不住这个数字。)I need a memory rule. (我需要一个记忆规则。) ask by Flinkman translate from so...

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

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296 views

1 answer

python - 过去n个日期中熊猫的真实值总和(Sum of true values over past n dates in pandas)

I have a dataframe of several thousand rows with columns of geography, response_dates and True/False for ... name='Past_4_dates_sum_of_true') ask by JamesMiller translate from so...

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

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454 views

1 answer

node.js - Azure DevOps自定义任务扩展：powershell.exe / node.exe退出代码：5(Azure DevOps Custom Task Extension: powershell.exe / node.exe exit code: 5)

I have PowerShell Script as a custom task inside a Build pipeline. (我将PowerShell脚本作为Build管道中的自定义任务 )The steps of these tasks are ... 为我不知道这里发生了什么 ) ask by Mar Tin translate from so...

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

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393 views

1 answer

python - 块数组尺寸(Numpy array dimensions)

I'm currently trying to learn Numpy and Python. (我目前正在尝试学习Numpy和Python )Given the following array: (给定以下数组：) import ... )返回4，这并没有太大帮助 ) ask by morgan freeman translate from so...

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

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585 views

1 answer

ios - 如何从函数内部获取JSON数据并将其快速显示在文本字段上？(How get JSON data from inside a function and display it on textfield in swift?)

I have been learning how to parse json data into swift...i am trying to show area of my pincode from into a textfield...i ... 我可以在文本字段上显示它) ask by Rajat Kotian translate from so...

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

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506 views

1 answer

php - MVC：这是初始化和调用MVC层的正确顺序吗(MVC : Is this the correct sequence to initialize & invoke MVC layers)

I am trying to learn php MVC based webpage development.At first i literally thougt that it's just decoupling the ... 确实遵循MVC模式 ) ask by user5005768Himadree translate from so...

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

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311 views

1 answer

android - 如何在Android应用程序的“活动”之间传递数据？(How do I pass data between Activities in Android application?)

I have a scenario where, after logging in through a login page, there will be a sign-out button on each activity . (我有一种情况，在 ... case (这种情况的任何替代方法) ask by UMAR translate from so...

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

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469 views

1 answer

java - Java-通过POST方法轻松发送HTTP参数(Java - sending HTTP parameters via POST method easily)

I am successfully using this code to send HTTP requests with some parameters via GET method (我已成功使用此代码通过GET方法发送带有某些参数的 ... appreciated. (任何帮助将不胜感激 ) ask by dan translate from so...

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

0 votes

478 views

1 answer

eclipse - Scala Eclipse项目-无法从资源目录读取文本文件(Scala Eclipse project - unable to read text file from resources directory)

I'm trying to read text file located in resources directory using Scala version 2.12.3. (我正在尝试使用2.12.3版的Scala读取位于资源目? ... error. (但是出现了同样的错误 ) ask by SoleQuantum translate from so...

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

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340 views

1 answer

javascript - jQuery获取特定的选项标签文本(jQuery get specific option tag text)

All right, say I have this: (好吧，说我有这个：) <select id='list'> <option value='1'>Option A</option> <option value=' ... not working. (但这是行不通的 ) ask by Paolo Bergantino translate from so...

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

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249 views

1 answer

java - FileNotFound错误，但是我的txt文件与Java文件位于同一位置(FileNotFound error, but i have the txt file in the same location as the java file)

So I have this program that should read a txt file about an item inventory, problem is when i run it i get this " ... 409 0.12 Cog 142 2.08 ask by SpaceSpaghetti translate from so...

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

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435 views

1 answer

python - Python获取上个月和一年(Python get last month and year)

I am trying to get last month and current year in the format: July 2016. (我正在尝试以2016年7月的格式获取上个月和本年度 ) I ... datetime.now() print now.year, now.month(-1) ask by translate from so...

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

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527 views

1 answer

encryption - 使用Minecraft加密破坏了AES-128-CFB-8的前16个字节[重复](First 16 bytes of AES-128-CFB-8 are corrupted using Minecraft encryption [duplicate])

This question already has an answer here) : 这个问题已经在这里有了答案) ：) First 16 bytes of AES-128 CFB-8 decryption are ... :cout << sTarget << std::endl; ask by DerCoder translate from so...

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

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