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java - java.net.SocketException：连接重置(java.net.SocketException: Connection reset)

I am getting the following error trying to read from a socket. (我在尝试从套接字读取时遇到以下错误 )I'm doing a readInt() on that InputStream , ... 及它，希望它不会成为鲱鱼 ):-( (:-() ask by translate from so...

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

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551 views

1 answer

spring - Spring EL（SpEL）替换属性文件中的占位符？(Spring EL (SpEL) to replace placeholders from properties file?)

I am using Spring Boot and SpEL (Expression Language) . (我正在使用Spring Boot and SpEL (Expression Language) )I am want to ... 这里我想显示找不到EmployeeId（说123） ) ask by PAA translate from so...

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

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696 views

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python - int.to_bytes OverflowError：int太大，无法转换为1个字节(int.to_bytes OverflowError:int too big to convert when convering to 1 byte)

I'm trying to convert an int to bytes, but trying to convert under 4 bytes raises OverflowError. (我正在尝试将int转换为字节，但是 ... b'\x00\xa0]\x9b\x01') ask by Zerg Overmind translate from so...

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

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434 views

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node.js - 命令行上的Node.js版本？（不是REPL）(Node.js version on the command line? (not the REPL))

I want to get the version of node.js on the command line - I'm expecting to run a command like: (我想在命令行上获取node.js ... (ie not the REPL) (（即不是REPL）) ask by hawkeye translate from so...

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

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ios - 自iOS 13起UITabBar图标未垂直对齐(UITabBar icons not aligned vertically since iOS 13)

Ever since I updated Xcode my icons are not aligned on my UITabBar. (自从更新Xcode以来，我的图标在UITabBar上未对齐 )The two end icons ... 二张图像时，对齐方式仍然关闭 ) ask by user3010455 translate from so...

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

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android - 服务与IntentService(Service vs IntentService)

Can someone please show me an example of something that can be done with an IntentService that cannot be done with a Service (and ... 个问题，我将不胜感激 ) ask by roiberg translate from so...

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

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java - 我应该使用哪个@NotNull Java注释？(Which @NotNull Java annotation should I use?)

I'm looking to make my code more readable as well as use tooling like IDE code inspection and/or static code analysis ( ... 代码分析) documentation (文件) ask by jaxzin translate from so...

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

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468 views

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newrelic - 在New Relic的APM交易视图中，阴影区域是什么意思？(In New Relic's APM Transactions View, what does the shaded area mean?)

In this screenshot of the APM Transactions view from New Relic's online help, (在New Relic的在线帮助中的APM Transactions视图的此屏幕截图中，) ... 产环境中并非总是如此）) ask by Shawn de Wet translate from so...

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

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687 views

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java - java.lang.VerifyError：验证程序拒绝类。代码在调试模式下可以正常工作，但在发布模式下不会抛出此错误(java.lang.VerifyError: Verifier rejected class. Code working fine in debug mode, but not throwing this error in release mode)

Please help on this error.Below is error logcat: (请帮助解决此错误以下是错误logcat：) Caused by: java.lang. ... Precise Reference: java.lang.String ask by user2978140 translate from so...

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

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189 views

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javascript - 在JavaScript控制台中包含jQuery(Include jQuery in the JavaScript Console)

Is there an easy way to include jQuery in the Chrome JavaScript console for sites that do not use it? (对于不使用jQuery的网站，是否有简便 ... ? (我可以从命令行添加它吗？) ask by mrtsherman translate from so...

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

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386 views

1 answer

r - 如何在R数据帧中用零替换NA值？(How do I replace NA values with zeros in an R dataframe?)

I have a data frame and some columns have NA values. (我有一个数据框，有些列有NA值。) How do I replace these NA values with zeroes? (如何用零代替这些NA值？) ask by Renato Dinhani translate from so...

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

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561 views

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

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sql - 通过SQL查询获取特定数据库的所有表名？(Get all table names of a particular database by SQL query?)

I am working on application which can deal with multiple database servers like "MySQL" and "MS SQL Server". (我正在研究可以处理多个数据库服务器（ ... 何限制此查询以获取特定数据库的表？) ask by Awan translate from so...

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

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php - 无法在docker-compose（php和MariaDB）中连接到数据库服务器(Cannot not connect to database server within docker-compose (php and MariaDB))

I've built a docker-compose file that creates 2 services (PHP and MariaDB). (我已经构建了一个docker-compose文件 ... laravel-with-docker-compose-de2190569084) ask by Brotzka translate from so...

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

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458 views

1 answer

swift - 无法将类型'__NSCFString'（0x7fff87a89460）的值强制转换为'NSArray'（0x7fff87a8a310）(Could not cast value of type '__NSCFString' (0x7fff87a89460) to 'NSArray' (0x7fff87a8a310))

I'm extracting data from Mssql. (我正在从Mssql提取数据 )I want to print the data I received from the database to tableview, but ... cell } } ask by SH Yaz?l?m Geli?tirme translate from so...

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

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554 views

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regex - 正则表达式中的非捕获组是什么？(What is a non-capturing group in regular expressions?)

非捕获组（即(?:) ）如何在正则表达式中使用，它们有什么用？ ask by never_had_a_name translate from so...

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

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414 views

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.net - 实体框架与LINQ to SQL(Entity Framework vs LINQ to SQL)

Now that .NET v3.5 SP1 has been released (along with VS2008 SP1), we now have access to the .NET entity framework. (现在已经 ... to SQL不能单独做什么？) ask by Chris Roberts translate from so...

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

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git - Git：我如何只列出本地分支机构？(Git: How do I list only local branches?)

git branch -a shows both remote and local branches. (git branch -a显示远程和本地分支 ) git branch -r shows remote branches. (git ... 有没有办法列出当地的分支机构？) ask by munyengm translate from so...

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

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ios - 如何使用Windows开发机为iPhone开发？(How can I develop for iPhone using a Windows development machine?)

Is there any way to tinker with the iPhone SDK on a Windows machine? (有什么办法可以在Windows计算机上修补iPhone SDK？)Are there plans ... 我不太确定这样做的合法性 ) ask by community wiki translate from so...

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

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701 views

1 answer

visual-studio - 您是否可以强制Visual Studio始终以Windows 8中的管理员身份运行？(Can you force Visual Studio to always run as an Administrator in Windows 8?)

In Windows 7, you could go into a programs compatibility settings and check off to always run as an Administrator. (在Windows 7 ... 关闭并重新打开 ) ask by Brian Surowiec translate from so...

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

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564 views

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objective-c - 自动布局-屏幕底部的UIView动画(Autolayout - UIView animation from the bottom of the screen)

I am using autolayout in my application. (我在应用程序中使用自动布局 )I have a UIPicker at the bottom of screen. (屏幕底部有一个 ... original position? (如何回到原来的位置？) ask by iPhone translate from so...

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

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419 views

1 answer

javascript - 获取触发事件的元素的ID(Getting the ID of the element that fired an event)

Is there any way to get the ID of the element that fires an event? (有什么方法可以获取触发事件的元素的ID？) I'm thinking something like: (我 ... 二种形式触发事件，则应包含id "bbb" ) ask by Joda translate from so...

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

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405 views

1 answer

php - 如何读取PHP中是否选中了复选框？(How to read if a checkbox is checked in PHP?)

如何读取PHP中是否选中了复选框？ ask by Thew 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

php - 匹配正则表达式中的空格(Matching a space in regex)

I need to match a space character in a PHP regular expression. (我需要匹配PHP正则表达式中的空格字符 )Anyone got any ideas? (有人有任何想法 ... -Z0-9s|]/", "", $tag); ask by Gavin Schulz translate from so...

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

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510 views

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r - 有没有一种方法可以“合并”两列，其中新列的值是具有特定值的原始列的名称（按组）？(Is there a way to 'merge' two columns, where the values of new column are the name of the original column that had a specific value, group wise?)

I have a dataframe (will call it 'df') with a decent amount of variables (numeric, logical and characters) representing an ... 非常感谢您的帮助 ) ask by John Sandman translate from so...

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

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450 views

1 answer

c# - 在C＃中将字符串转换为枚举(Convert a string to an enum in C#)

What's the best way to convert a string to an enumeration value in C#? (在C＃中将字符串转换为枚举值的最佳方法是什么？) I have an HTML ... valid code. (但这不是有效的代码 ) ask by Ben Mills translate from so...

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

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293 views

1 answer

sql - SQL减少联接中或其中的数据(SQL reduce data in join or where)

I want to know what is faster, assuming I have the following queries and they retrieve the same data (我想知道更快，假设我有以下查询，并且 ... 以支持我的看法 ) ask by André De La O Campos translate from so...

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

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398 views

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

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