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536 views

1 answer

reactjs - 出现错误：意外拒绝减速器可能无法在react gatsby中调度动作(Getting error : UNHANDLED REJECTION Reducers may not dispatch actions in react gatsby)

突然它开始给我错误： UNHANDLED REJECTION Reducers may not dispatch actions ，当我尝试运行npm start之前，对我来说还不错，但是不知何故它开始给我错误，有人可以帮我解决这个问题，我正在使用react gatsby ask by Nikul Panchal translate from so...

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

0 votes

473 views

1 answer

git - 忽略已经提交到Git存储库的文件[重复](Ignore files that have already been committed to a Git repository [duplicate])

This question already has answers here) : 这个问题已经在这里有了答案) ：) How to make Git forget about a file that was tracked but is ... 刷新文件索引，以便忽略要忽略的文件？) ask by trobrock translate from so...

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

0 votes

465 views

1 answer

java - 如果找不到文件，如何显示错误消息？(How do I display an error message if a file is not found?)

I wrote a program to read from a specific file and was wondering how would I display a custom message if that file ... /close file Fwrite.close(); ask by ZootZoot translate from so...

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

0 votes

313 views

1 answer

c - 如何将char *分配给字符数组？(How to assign char * to character array?)

I have following code: (我有以下代码：) int main(){ char sentence[] = "my name is john"; int i=0; char ch[50]; for (char* word = ... ]我想将每个单词存储到数组中，有人可以帮忙吗？) ask by translate from so...

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

0 votes

484 views

1 answer

windows - 仅使用Windows的内置功能，如何从脚本中压缩或解压缩？(How can you zip or unzip from the script using ONLY Windows' built-in capabilities?)

In Windows you can zip some files by (在Windows中，您可以通过) right click → Send to → Compressed (zipped) folder (右键单击→ 发送到 → 压 ... ，而无需安装任何第三方软件？) ask by Roee Gavirel translate from so...

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

0 votes

175 views

1 answer

python - 确定对象的类型？(Determine the type of an object?)

Is there a simple way to determine if a variable is a list, dictionary, or something else? (有没有一种简单的方法来确定变量是列表，字典还是其他？ ... ，我需要能够分辨出两者之间的区别 ) ask by Justin Ethier translate from so...

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

0 votes

374 views

1 answer

python - 在Python中检查类型的规范方法是什么？(What's the canonical way to check for type in Python?)

What is the best way to check whether a given object is of a given type? (检查给定对象是否为给定类型的最佳方法是什么？)How about checking ... s a str ? (如何检查是否为str ？) ask by Herge translate from so...

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

0 votes

597 views

1 answer

algorithm - 计算两个经度点之间的距离？（Haversine公式）(Calculate distance between two latitude-longitude points? (Haversine formula))

How do I calculate the distance between two points specified by latitude and longitude? (如何计算经度和纬度指定的两点之间的距离？) For ... 解可用方法的相对准确性 ) ask by Robin Minto translate from so...

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

0 votes

456 views

1 answer

linux - 如何终止在Linux中特定端口上运行的进程？(How to kill a process running on particular port in Linux?)

I tried to close the tomcat using ./shutdown.sh from tomcat /bin directory. (我试图使用tomcat /bin目录中的./shutdown.sh关闭tomcat )But ... 的列表，以便选择要杀死的进程 ) ask by veer7 translate from so...

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

0 votes

182 views

1 answer

php - 如何显示PHP错误？(How do I get PHP errors to display?)

I have checked my PHP init file ( php.ini ) and display_errors is set and also error reporting is E_ALL . (我检查了我的PHP初始化文件（ ... left to do? (还剩下什么呢？) ask by Abs translate from so...

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

0 votes

502 views

1 answer

javascript - 尝试从REST API获取数据时，请求的资源上没有“ Access-Control-Allow-Origin”标头(No 'Access-Control-Allow-Origin' header is present on the requested resource—when trying to get data from a REST API)

I'm trying to fetch some data from the REST API of HP Alm. (我正在尝试从HP Alm的REST API中获取一些数据 )It works pretty ... 请求的凭据模式由withCredentials属性控制 ) ask by daniel.lozynski translate from so...

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

0 votes

414 views

1 answer

apache - .htaccess重写规则自动更改url(.htaccess rewrite rule change url automatic)

I'm new to htaccess and I need some help how do I change the url automatically from from .htaccses if I write url like: ... 前致谢，) Andhi (安地) ask by Andhika Bhakti translate from so...

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

0 votes

414 views

1 answer

javascript - “严格使用”在JavaScript中有什么作用，其背后的原因是什么？(What does “use strict” do in JavaScript, and what is the reasoning behind it?)

Recently, I ran some of my JavaScript code through Crockford's JSLint , and it gave the following error: (最近，我通过Crockford的 ... 字符串还是将来使用？) ask by Mark Rogers translate from so...

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

0 votes

291 views

1 answer

javascript - 如何检查变量是否是JavaScript中的数组？ [重复](How do you check if a variable is an array in JavaScript? [duplicate])

This question already has an answer here: (这个问题在这里已有答案：) How to check if an object is an array? (如何检查对象是否是数组？) ... can be done? (这是最好的办法吗？) ask by Andy McCluggage translate from so...

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

0 votes

395 views

1 answer

css - 使用Twitter Bootstrap 3将列居中(Center a column using Twitter Bootstrap 3)

How do I center a div of one column size within the container (12 columns) in Twitter Bootstrap 3 ? (如何在Twitter Bootstrap 3的容器（12列 ... （缩小直到容器宽度等于一列） ) ask by bsr translate from so...

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

0 votes

356 views

1 answer

c# - “ using”指令应该在名称空间之内还是之外？(Should 'using' directives be inside or outside the namespace?)

I have been running StyleCop over some C# code, and it keeps reporting that my using directives should be inside the namespace. ( ... 间的内部而不是外部？) ask by benPearce translate from so...

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

0 votes

339 views

1 answer

mysql - utf8_general_ci和utf8_unicode_ci有什么区别(What's the difference between utf8_general_ci and utf8_unicode_ci)

utf8_general_ci和utf8_unicode_ci ，在性能方面是否存在差异？ ask by KahWee Teng translate from so...

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

0 votes

256 views

1 answer

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)

0 votes

382 views

1 answer

c# - 在将数据导出到Excel时，为什么日期格式会更改？(Why Date format gets change while exporting data to Excel?)

I am working on window Form Application. (我正在开发窗口表单应用程序 )In my form i have GridView which have a column of Type Date. ( ... Wrong ? (我在做什么错了？) ask by Anurag Rag translate from so...

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

0 votes

460 views

1 answer

javascript - 虚拟DOM到底存储在哪里？(Where exactly the Virtual DOM is stored?)

I'm torturing myself for hours now and can't find an answer. (我正在折磨自己几个小时，找不到答案 )Where exactly, under what object/key, ... 有从浏览器中获得任何特殊待遇，是吗？) ask by platinum_ar translate from so...

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

0 votes

478 views

1 answer

jquery - 当列内容为html时，jQuery Datatables过滤列(jQuery Datatables filtering a column when the columns content is html)

I have a column in a dataTable that I want to filter. (我在dataTable中有一列想要过滤 )I can filter by columns which are ... .text(t1); return this; }; ask by user783322 translate from so...

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

0 votes

468 views

1 answer

wordpress - 在有状态CMS中将后台与Github同步(Synchronise back-office with Github in a stateful CMS)

The bounty expires in 17 hours) . 赏金将在17小时后失效) ) Answers to this question are eligible for a +50 reputation bounty. 这个问题的答 ... 中集成后台中完成的所有修改？) ask by Antoine C. translate from so...

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

0 votes

455 views

1 answer

string - 如何在Bash中将字符串转换为小写？(How to convert a string to lower case in Bash?)

Is there a way in bash to convert a string into a lower case string? (bash中有一种方法可以将字符串转换为小写字符串？) For example, if I ... it to: (我想将其转换为：) "hi all" ask by assassin translate from so...

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

0 votes

225 views

1 answer

html - 如何在嵌入式CSS中编写a：hover？(How to write a:hover in inline CSS?)

I have a case where I must write inline CSS code, and I want to apply a hover style on an anchor. (我有一种情况，我必须编写内联CSS ... 能在HTML电子邮件中可靠地使用CSS类 ) ask by Amr Elgarhy translate from so...

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

0 votes

290 views

1 answer

c# - 随机列表<T>(Randomize a List<T>)

What is the best way to randomize the order of a generic list in C#? (在C＃中随机化泛型列表顺序的最佳方法是什么？)I've got a finite set of ... 一个随机顺序的列表中有75个数字的有限集合 ) ask by mirezus translate from so...

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

0 votes

335 views

1 answer

javascript - 用jQuery作为JS对象从选项中添加选项的最佳方法是什么？(What is the best way to add options to a select from as a JS object with jQuery?)

What is the best method for adding options to a <select> from a JavaScript object using jQuery? (使用jQuery从JavaScript对象向< ... 为append（）的第二个参数 ) ask by Darryl Hein translate from so...

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

0 votes

453 views

1 answer

ios - 当从不同的故事板上复制/粘贴视图时，Xcode 11崩溃(Xcode 11 crashes when copy/pasting views from different storyboards)

I have a problem with Xcode 11 running on Catalina (it had the same problem with Moave). (我在Catalina上运行的Xcode 11有问题（与 ... ? (故事板不支持此功能吗？) ask by LorenzOliveto translate from so...

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

0 votes

594 views

1 answer

c++ - Qt Creator（设计器）：带有水平滚动条的单个文本行(Qt Creator (Designer): Single text line with horizontal scrollbar)

How do I get a single text line with only a horizontal scollbar? (如何仅使用水平滚动条获得单个文本行？) I think that's all there is to this ... 多信息，我们将很乐意为您提供帮助 ) ask by Cpt. Crazy translate from so...

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

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