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Recent questions in Technique[技术]

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402 views

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css-float - 如何居中浮动元素？(How do I center floated elements?)

I'm implementing pagination, and it needs to be centered. (我正在实现分页，它需要居中 )The problem is that the links need to be displayed as ... (为了得到这个主意，我想要什么：) ask by Mike translate from so...

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

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264 views

1 answer

sql - 使用两个表在SQLplus中给出一个输出(Using Two Tables to give one output in SQLplus)

Table: Person (表：人) +-------------+---------+ | Column Name | Type | +-------------+---------+ | PersonId | int | ... 在输出中得到任何东西，是的，我用一些简单的数据行填充了表 ) ask by fairy translate from so...

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

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556 views

1 answer

performance - 使用int64而不是int32时，for循环性能要慢得多(For loop performance much slower when using int64 instead of int32)

I am trying to figure out the best practices regarding performance. (我正在尝试找出有关性能的最佳做法 )I have noticed ... 0.403s Success: Benchmarks passed. ask by Kingindanord translate from so...

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

0 votes

293 views

1 answer

javascript - 将两个数字相加(Add Two Numbers Algo Understanding)

I was doing following leetcode question: (我在做以下leetcode问题：) You are given two non-empty linked lists representing ... /problems/add-two-numbers/) ask by anny123 translate from so...

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

0 votes

272 views

1 answer

c - 混淆的C代码竞赛2006.请解释sykes2.c(Obfuscated C Code Contest 2006. Please explain sykes2.c)

How does this C program work? (这个C程序如何工作？) main(_){_^448&&main(-~_);putchar(--_%64?32|-~7[__TIME__-_/8%8 ... end of non-void function [-Wreturn-type] ask by corny translate from so...

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

0 votes

392 views

1 answer

awk - 在脚本中awk设置命令行选项(awk set command line options in script)

I'm curious about how to set command-line options in awk script, like -F for field separator. (我很好奇如何在awk脚本中设置命令行选项，例如- ... 件中写入 -d 以生成awkvars.out文件？) ask by Zhu translate from so...

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

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210 views

1 answer

javascript - 如果上一个div可见并且高度更高，则div不会滚动(Div does not getting scroll if it's previous div is visible and height is more)

Here you can see that div while has D1, D2... data is large than the size of the div, so ideally it should have the ... /div> </div> </div> ask by Alpesh Jikadra translate from so...

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

0 votes

338 views

1 answer

angular - 仅数字输入角(Numbers only Input in Angular)

I am trying to implement an input field, where only number keys are allowed. (我正在尝试实现一个仅允许数字键输入的输入字段 )For ... 数字字符 ) Regards, Ashish (问候，Ashish) ask by Ashish translate from so...

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

0 votes

581 views

1 answer

javascript - 如何使用JavaScript重新加载页面(How to reload a page using JavaScript)

How can I reload the page using JavaScript? (如何使用JavaScript重新加载页面？) I need a method that works in all browsers. (我需要一种适用于所有浏览器的方法。) ask by Resh translate from so...

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

0 votes

219 views

1 answer

javascript - 如何检查JavaScript中的空值？(How do I check for null values in JavaScript?)

How can I check for null values in JavaScript? (如何在JavaScript中检查空值？)I wrote the code below but it didn't work. (我在 ... ? (在JavaScript程序中如何找到错误？) ask by Mahdi_Nine translate from so...

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

0 votes

322 views

1 answer

android - 为什么不显示位于回收者视图顶部的图像视图？(Why image view located on top of recycler view is not displaying?)

I am trying to add an image view as a banner on top of recycler view. (我正在尝试将图像视图添加为回收 ... /> </androidx.constraintlayout.widget.ConstraintLayout> ask by Alexa289 translate from so...

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

0 votes

304 views

1 answer

c# - 什么是{get; 组; } C＃中的语法？(What is the { get; set; } syntax in C#?)

I am learning ASP.NET MVC and I can read English documents, but I don't really understand what is happening in this code: (我正在 ... ? ({ get; set; } ？) ask by kn3l translate from so...

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

0 votes

281 views

1 answer

javascript - 我应该避免在reduce中使用对象散布吗？(Should I avoid using object spread in reduce?)

Given the following example: (给出以下示例：) // option 1 items.reduce((values, item) => ({ ...values, [item.id]: item.name }), ... 象传播语法的最佳实践专家或反对者？) ask by guy mograbi translate from so...

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

0 votes

496 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)

0 votes

401 views

1 answer

c# - 存储库模式EF核心更新方法(Repository Pattern EF Core Update method)

I have a question about using the Repository Pattern and Unit of Work pattern in a MVC Web Application with Entity Framework Core. ... 关于最佳方法的建议 ) ask by Azzaronn translate from so...

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

0 votes

419 views

1 answer

bash - shell脚本中的YYYY-MM-DD格式日期(YYYY-MM-DD format date in shell script)

I tried using $(date) in my bash shell script, however I want the date in YYYY-MM-DD format. (我尝试在我的bash shell脚本中使用$(date ... I get this? (我怎么得到这个？) ask by Kapsh translate from so...

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

0 votes

370 views

1 answer

eclipse - 如何解决Spring Data Maven构建的“生命周期配置未涵盖的插件执行”(How to solve “Plugin execution not covered by lifecycle configuration” for Spring Data Maven Builds)

I am trying to work with Spring Data and Neo4j . (我正在尝试使用Spring Data和Neo4j )I started by trying to follow this guide linked ... ，仍然遇到相同的错误 ) ask by Andrew White translate from so...

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

0 votes

437 views

1 answer

algorithm - 2048游戏的最佳算法是什么？(What is the optimal algorithm for the game 2048?)

I have recently stumbled upon the game 2048 . (我最近偶然发现了2048游戏 )You merge similar tiles by moving them in any of the four ... ? (是否有比以上更好的算法？) ask by nitish712 translate from so...

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

0 votes

422 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)

0 votes

468 views

1 answer

c# - 您如何计算字符串中字符串（实际上是字符）的出现？(How would you count occurrences of a string (actually a char) within a string?)

I am doing something where I realised I wanted to count how many / s I could find in a string, and then it struck ... ").Length ) / needle.Length; ask by inspite translate from so...

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

0 votes

651 views

1 answer

android - 为什么Android模拟器这么慢？我们如何加快Android模拟器的速度？ [关闭](Why is the Android emulator so slow? How can we speed up the Android emulator? [closed])

Want to improve this post?) 想要改善这篇文章吗？)) Provide detailed answers to this question, including citations and an ... （Ganymede）的Eclipse IDE ) ask by community wiki translate from so...

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

0 votes

147 views

1 answer

php - 如何防止PHP中进行SQL注入？(How can I prevent SQL injection in PHP?)

This post is a Community Wiki) . 这篇文章是社区维基) ) Edit existing answers to improve this post. 编辑现有答案以改善此职位 ) It ... happening? (如何防止这种情况的发生？) ask by community wiki translate from so...

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

0 votes

407 views

1 answer

html - 如何在div中垂直对齐文本？(How do I vertically align text in a div?)

I am trying to find the most effective way to align text with a div. (我试图找到最有效的方法来将文本与div对齐 )I have ... mollit anim id est laborum. </div> ask by shinjuo translate from so...

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

0 votes

285 views

1 answer

java - 在Java中最多2位小数？ [重复](round up to 2 decimal places in java? [duplicate])

This question already has an answer here: (这个问题在这里已有答案：) How to round a number to n decimal places in Java 30 answers (如 ... 第4行并发布它将会非常有用 ) ask by Aayush Mahajan translate from so...

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

0 votes

494 views

1 answer

sql - 查找包含具有指定名称的列的所有表 - MS SQL Server(Find all tables containing column with specified name - MS SQL Server)

Is it possible to query for table names which contain columns being (是否可以查询包含列的表名) LIKE '%myName%' ? (？) ask by gruber translate from so...

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

0 votes

463 views

1 answer

git - 漂亮的git分支图(Pretty git branch graphs)

I've seen some books and articles have some really pretty looking graphs of git branches and commits. (我已经看到一些书籍和文章有一些非常漂 ... 制作git历史的高质量可打印图像？) ask by krosenvold translate from so...

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

0 votes

584 views

1 answer

requirements - 功能需求和非功能需求有什么区别？ [关闭](What is the difference between functional and non functional requirement? [closed])

Closed) . 已关闭) ) This question needs to be more focused. 这个问题需要更加集中 ) It is not currently accepting answers. 它当前不接受答 ... for each case. (给出每种情况的例子 ) ask by Omid7 translate from so...

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

0 votes

1.0k views

1 answer

grep - 使用grep进行负匹配（匹配不包含foo的行）(Negative matching using grep (match lines that do not contain foo))

I have been trying to work out the syntax for this command: (我一直在试图找出这个命令的语法：) grep ! error_log | find /home/foo/ ... 过它，但只找到一个not -regex模式 ) ask by jerrygarciuh translate from so...

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

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