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271 views

1 answer

html - 如何使用HTML / CSS在文本中插入空格/制表符(How to insert spaces/tabs in text using HTML/CSS)

Possible ways: (可能的方式：) <pre> ... </pre> or (要么) style="white-space:pre" Anything else? (还要别的吗？) ask by Yeseanul translate from so...

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

0 votes

268 views

1 answer

python - 字符串格式：％与.format(String formatting: % vs. .format)

Python 2.6 introduced the str.format() method with a slightly different syntax from the existing % operator. (Python 2 ... info: %s" % some_info) ask by NorthIsUp translate from so...

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

0 votes

422 views

1 answer

javascript - 如何在iframe中嵌入自动播放的YouTube视频？(How to embed an autoplaying YouTube video in an iframe?)

I am trying to embed the new iframe version of a YouTube video and get it to auto play. (我正在尝试嵌入YouTube视频的新iframe版本并 ... 有办法使用JavaScript和API来做到这一点？) ask by 472084 translate from so...

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

0 votes

504 views

1 answer

c++ - 为什么“使用命名空间标准”被认为是不好的做法？(Why is “using namespace std;” considered bad practice?)

I've been told by others that writing using namespace std; (其他人告诉我， using namespace std;编写using namespace std;)in code ... performance? (它会影响性能吗？) ask by akbiggs translate from so...

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

0 votes

477 views

1 answer

python - 如何解决此错误：TypeError：'NoneType'对象没有属性'__getitem__'(How to resolve this error: TypeError: 'NoneType' object has no attribute '__getitem__')

I was trying to download a full course from LinkedIn Learning using a code from GitHub. (我试图使用GitHub上的代码从 ... object has no attribute '__getitem__' ask by Jay translate from so...

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

0 votes

364 views

1 answer

git - Mercurial和Git有什么区别？(What is the Difference Between Mercurial and Git?)

I've been using git for some time now on Windows (with msysGit) and I like the idea of distributed source control. (我一直在 ... 之处，而不必参加讨论 ) 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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354 views

1 answer

javascript - 页面加载后如何使JavaScript执行？(How to make JavaScript execute after page load?)

I'm executing an external script, using a <script> inside <head> . (我正在使用<head>内的<script>执行外部脚本 ) Now since the script ... 可以钩住的事件会在页面加载时触发？) ask by Robinicks translate from so...

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

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261 views

1 answer

javascript - 如何检索POST查询参数？(How to retrieve POST query parameters?)

Here is my simple form: (这是我的简单形式：) <form id="loginformA" action="userlogin" method="post"> <div> <label for="email">Email ... 电话时，它有效，所以..任何想法？) ask by murvinlai translate from so...

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

0 votes

251 views

1 answer

java - 为什么2 *（i * i）比Java中的2 * i * i更快？(Why is 2 * (i * i) faster than 2 * i * i in Java?)

The following Java program takes on average between 0.50 secs and 0.55 secs to run: (以下Java程序平均需要在0.50秒到0.55秒之间运行：) ... 于1/2 ^ 15 * 100％= 0.00305％ ) ask by Stefan translate from so...

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

0 votes

258 views

1 answer

java - 如何在Java中计时方法的执行时间？(How do I time a method's execution in Java?)

How do I get a method's execution time? (如何获得方法的执行时间？)Is there a Timer utility class for things like timing how long a ... 计时器的结果，这不是我想要的 ) ask by Ogre Psalm33 translate from so...

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

0 votes

413 views

1 answer

c++ - 为什么C ++程序员应尽量减少对“新”的使用？(Why should C++ programmers minimize use of 'new'?)

I stumbled upon Stack Overflow question Memory leak with std::string when using std::list<std::string> , and one of the comments ... (我是否误解了答案？) ask by bitgarden translate from so...

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

0 votes

328 views

1 answer

javascript - JavaScript比较中应使用哪个等于运算符（== vs ===）？(Which equals operator (== vs ===) should be used in JavaScript comparisons?)

I'm using JSLint to go through JavaScript, and it's returning many suggestions to replace == (two equals signs) with === (three ... 否会获得==以上的性能提升？) ask by bcasp translate from so...

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

0 votes

416 views

1 answer

c++ - WSALookupServiceBegin（）上的错误代码10022（无效的预订）(Error code 10022 (Invalid arugment) on WSALookupServiceBegin())

I'm currently attempting to do Bluetooth device discovery with the Window Winsock API. (我目前正在尝试使用Window Winsock API进行蓝牙设备发现 ... 我会说我非常精通Java编程语言 ) ask by Whirvis translate from so...

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

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445 views

1 answer

java - 不支持的major.minor版本52.0 [重复](Unsupported major.minor version 52.0 [duplicate])

This question already has an answer here: (这个问题已经在这里有了答案：) How to fix java.lang.UnsupportedClassVersionError: Unsupported ... ? (可能是什么问题？) ask by user3397452 translate from so...

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

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508 views

1 answer

c# - 如何仅在C＃编辑器IntelliSense中隐藏公共类？(How to hide public classes from being seen in C# Editor IntelliSense only?)

Shortly, (不久，) The Browsable() and EditorBrowsable() works with members. (EditorBrowsable() Browsable()和EditorBrowsable()与成员一起使用 ) ... ，并且可以正常实例化 ) ask by deveton translate from so...

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

0 votes

313 views

1 answer

java - 为什么不能在字符串上使用switch语句？(Why can't I use switch statement on a String?)

Is this functionality going to be put into a later Java version? (此功能是否将在以后的Java版本中使用？) Can someone explain why I ... 如Java的switch语句的技术方式？) ask by Alex Beardsley translate from so...

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

0 votes

436 views

1 answer

scala - SBT编译的软件包在Scala REPL中无法正常工作(SBT-compiled package not working properly in Scala REPL)

I'm developing a Scala package using an sbt project scheme through IntelliJ. (我正在通过IntelliJ使用sbt项目方案开发Scala软件包 )I wanted to ... ClassOne(1.0)可以正常工作 ) ask by zack translate from so...

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

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399 views

1 answer

mysql - 主机“ xxx.xx.xxx.xxx”不允许连接到该MySQL服务器(Host 'xxx.xx.xxx.xxx' is not allowed to connect to this MySQL server)

This should be dead simple, but I cannot get it to work for the life of me. (这本来应该很简单，但是我无法让它在我的一生中发挥作用 ) ... )Any ideas are welcome. (任何想法都欢迎 ) ask by concept47 translate from so...

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

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1.3k views

1 answer

cuda - GPU（CUDA）中的Kmeans聚类加速(Kmeans clustering acceleration in GPU(CUDA))

I am a fairly new cuda user. (我是一个相当新的cuda用户 )I'm practicing on my first cuda application where I try to ... blockDim.x * gridDim.x; } } ask by menderft translate from so...

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

0 votes

792 views

1 answer

markdown - 什么文件使用.md扩展名，我该如何编辑它们？(What file uses .md extension and how should I edit them?)

On GitHub, several projects have README.md files. (在GitHub上，有几个项目有README.md文件 )It seems like a simple format file to express ... 找到.md文件的介绍？) ask by Lai Yu-Hsuan translate from so...

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

0 votes

380 views

1 answer

python - numpy矩阵的有效着色值？(Efficient colorization of numpy matrix by value?)

I have a numpy ndarray that looks something like: (我有一个看起来像的numpy ndarray：) [[0, 0.25, 1, ...., 0.5, 0.23 ], [0. ... pretty nasty: (当前算法的输出看起来很讨厌：) ask by amirpc translate from so...

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

0 votes

404 views

1 answer

r - R-递归查找子列表数(R - Recursively find number of sub lists)

I have a list of lists (let's call the main/parent list A). (我有一个列表列表（我们称其为主/父列表A） )The number of sub-lists in ... = 5 )Any thoughts? (有什么想法吗？) ask by GeoCat333 translate from so...

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

0 votes

413 views

1 answer

javascript - 图像因Intersection Observer API问题而延迟加载(Images lazy loading with Intersection Observer API issue)

everyone. (大家 ) I've got gallery of 1609 images and I'm trying to configure images lazy loading with Intersection observer ... (有什么提示吗？) ask by Drezor Warlock translate from so...

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

0 votes

374 views

1 answer

c++ - 为什么要使用指针而不是对象本身？(Why should I use a pointer rather than the object itself?)

I'm coming from a Java background and have started working with objects in C++. (我来自Java背景，已经开始使用C ++处理对象 )But one ... 内存地址 )Am I right? (我对吗？) ask by gEdringer translate from so...

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

0 votes

522 views

1 answer

javascript - 遍历对象属性(Iterate through object properties)

var obj = { name: "Simon", age: "20", clothing: { style: "simple", hipster: false } } for(var propt in obj){ console.log( ... ? (为什么它包含对象中的每个属性？) ask by Rafay translate from so...

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

0 votes

172 views

1 answer

html - HTML为什么认为“ chucknorris”是一种颜色？(Why does HTML think “chucknorris” is a color?)

How come certain random strings produce colors when entered as background colors in HTML? (在HTML中作为背景色输入时，某些随机字符串如何产生颜色 ... on here? (这里发生了什么？) ask by user456584 translate from so...

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

0 votes

383 views

1 answer

mysql - MySQL错误代码：MySQL Workbench中UPDATE期间的1175错误代码(MySQL error code: 1175 during UPDATE in MySQL Workbench)

I'm trying to update the column visited to give it the value 1. I use MySQL workbench, and I'm writing the statement in the SQL ... (拜托，告诉我有什么问题？) ask by Jury A translate from so...

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

0 votes

602 views

1 answer

xml - 现有代码中的大写集成（XSLT 1.0）(Upper-case integration in existing code (XSLT 1.0))

How correctly add an "upper-case" expression in already working XSLT code? (如何在已经正常工作的XSLT代码中正确添加大写表达式？) sample ... both possibilities (两种可能性都很有趣) ask by Alex translate from so...

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

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