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362 views

1 answer

python - type（）和isinstance（）之间有什么区别？(What are the differences between type() and isinstance()?)

What are the differences between these two code fragments? (这两个代码片段之间有什么区别？)Using type() : (使用type() ... isinstance(b, unicode): do_something_else() ask by abbot translate from so...

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

0 votes

391 views

1 answer

android - 将图像加载到位图对象时出现内存不足问题(Strange out of memory issue while loading an image to a Bitmap object)

I have a list view with a couple of image buttons on each row. (我有一个列表视图，每行都有几个图像按钮 ... (4204): xxxxxxxxxxxxxxxxxxxx allocPixelRef failed ask by community wiki translate from so...

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

0 votes

514 views

1 answer

git - 如何使用Git将标签推送到远程存储库？(How do you push a tag to a remote repository using Git?)

I have cloned a remote Git repository to my laptop, then I wanted to add a tag so I ran (我已经将一个远程Git存储库克隆到了我的笔记本电脑，然后我想添 ... 远程存储库，以便所有客户端计算机都可以看到它？) ask by Jonas translate from so...

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

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453 views

1 answer

python - 如何知道对象在Python中是否具有属性(How to know if an object has an attribute in Python)

Is there a way in Python to determine if an object has some attribute? (有没有办法在Python中确定对象是否具有某些属性？)For example ... a是否具有属性property ？) ask by Lucas Gabriel Sánchez translate from so...

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

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

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

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259 views

1 answer

python - 如何删除尾随换行符？(How can I remove a trailing newline?)

Perl的chomp函数在Python中的等效功能是什么，如果是换行符，它将删除字符串的最后一个字符？ ask by translate from so...

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

0 votes

543 views

1 answer

android - 如何在Android Studio中将事件添加到Google Calendar API？(How can I add an event to the Google Calendar API in Android Studio?)

I'm developing an app in my spare time and one of the elements requires a user to be able to create an event within the ... 建事件以及查看其现有事件 ) ask by smithcommajohn translate from so...

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

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357 views

1 answer

html - CSS打印媒体查询仅打印第一页(css print media query prints only first page)

I use Print Media Query to print a scrollable DIV on my webpage (Main DIV contains a sub DIV and table with several rows and custom ... 上的控件关联的客户端事件 ) ask by Raja translate from so...

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

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195 views

1 answer

html - 如何使用 <br> 在引导卡中标记？(How to use <br> tag in bootstrap card?)

I want to break the line after Other online payment. (我想在其他在线付款后中断 )but when I added <br> tag this starts making ... li> </ul> </div> </div> ask by UmerLachi translate from so...

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

0 votes

435 views

1 answer

python - 从另一个Python脚本运行一个Python脚本，并传入参数[重复](Run a Python script from another Python script, passing in arguments [duplicate])

This question already has an answer here: (这个问题已经在这里有了答案：) What is the best way to call a script from another script? (从 ... . (我只是很困惑你怎么做 ) ask by Gern Blanston translate from so...

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

0 votes

482 views

1 answer

c# - 如何检查是否显示Windows登录屏幕（在.NET中）(How to check if Windows login screen is displayed (in .NET))

Is there any way to recognize if login screen is displayed ? (有什么方法可以识别是否显示登录屏幕？) I trued to use OpenInputDesktop function but ... 之前，我不希望我的程序做任何事情) ask by Maciej translate from so...

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

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410 views

1 answer

c++ - 具有不同模板参数的模板类的调用对象(Calling object of template class with different template arguments)

I'm trying to implement a hash table that can be called in different ways whether hash function and equal operator for some ... 函数的唯一方法？) ask by Alex Semenchenko 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

port - 指定端口号的scp(scp with port number specified)

I'm trying to scp a file from a remote server to my local machine. (我正在尝试将文件从远程服务器scp到我的本地计算机 )Only port 80 is ... ? (如何在scp命令中指定端口号？) ask by One Two Three translate from so...

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

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426 views

1 answer

git - 从GitHub存储库下载单个文件夹或目录(Download a single folder or directory from a GitHub repo)

How can I download only a specific folder or directory from a remote Git repo hosted on GitHub? (如何从GitHub上托管的远程Git存储库中仅下 ... 文件夹，而不克隆整个Test项目 ) ask by g_inherit translate from so...

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

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552 views

1 answer

vuejs2 - 必须在vue / cli 4.0.5应用程序的任何* .vue文件中导入axios(Have to import axios in any *.vue file of vue/cli 4.0.5 app)

In my @vue/cli 4.0.5 app in any *.vue file I have to import axios, if I need to use it on this page, like: (在我的 ... 的任何文件中？) Thanks! (谢谢！) ask by Petro Gromovo translate from so...

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

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357 views

1 answer

python - python上的正则表达式将字符串吐入特定序列(regex on python spiting a string into a specific sequence)

I have a string that may look like CITS/CPU/0218/2305CITS/VDU/0218/2305CITS/KEY/0218/2305 or CITS/CPU/0218/2305CITS/VDU/ ... suggestions? (有什么建议么？) ask by sakib11 translate from so...

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

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528 views

1 answer

javascript - 在Jest测试中设置时刻时区(Set moment timezone in Jest tests)

I have the util function that is parsing given date (ie '2019-01-28') in specific date format and then using momentJS retrieving ... 此类问题并进行正确测试？) ask by yqbk translate from so...

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

0 votes

267 views

1 answer

javascript - react按钮onClick重定向页面(react button onClick redirect page)

I am working on web application using React and bootstrap. (我正在使用React和bootstrap开发Web应用程序 )When it comes to applying button ... </div> ); } } ask by Raju yourPepe translate from so...

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

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365 views

1 answer

python - 将列表中的所有字符串转换为int(Convert all strings in a list to int)

In Python, I want to convert all strings in a list to integers. (在Python中，我想将列表中的所有字符串转换为整数 ) So if I have: (所以，如果 ... (我该如何做：) results = [1, 2, 3] ask by Michael translate from so...

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

0 votes

493 views

1 answer

html - 如何获得任何URL或网页的Google缓存年龄？ [关闭](How can I get the Google cache age of any URL or web page? [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 ... 哪里可以获得Google缓存的时间？) ask by Tokendra Kumar Sahu translate from so...

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

0 votes

574 views

1 answer

akka.net - 是否有任何选择可以知道分片实体是通过恢复重新启动的（remember-entity = true）(Is there any option to know the sharded entity is re-started by recovery(remember-entity=true))

I have enabled the Cluster Sharding with remember-entities = true. (我已使用Remember-entities = true启用了群集分片 )So when I restart my ... 创建的，有什么办法可以实现？) ask by abdul translate from so...

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

0 votes

184 views

1 answer

java - 转换ArrayList <String> 到String []数组[重复](Convert ArrayList<String> to String[] array [duplicate])

This question already has an answer here: (这个问题已经在这里有了答案：) Converting 'ArrayList<String> to 'String[]' in Java 17 answers ... missing? (有什么我想念的吗？) ask by locoboy translate from so...

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

0 votes

546 views

1 answer

html - 如何获得任何URL或网页的Google缓存年龄？ [关闭](How can I get the Google cache age of any URL or web page? [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 ... 哪里可以获得Google缓存的时间？) ask by Tokendra Kumar Sahu translate from so...

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

0 votes

128 views

1 answer

java - 如何在Java中将String转换为long？(How to convert String to long in Java?)

我在Java中有一个简单的问题：如何将Long.toString()获得的String转换为long ？ ask by Belgi translate from so...

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

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354 views

1 answer

python - 如何从列表中随机选择一个项目？(How to randomly select an item from a list?)

Assume I have the following list: (假设我有以下列表：) foo = ['a', 'b', 'c', 'd', 'e'] What is the simplest way to retrieve an ... 从此列表中随机检索项目的最简单方法是什么？) ask by Ray Vega translate from so...

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

0 votes

300 views

1 answer

.net - 知名GUID列表[关闭](List of well-known GUIDs [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 ... 现短名单像这样针对特定狭窄区域 ) ask by Oksana Gimmel translate from so...

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

0 votes

396 views

1 answer

java - 检查字符串是否不为空且不为空(Check whether a string is not null and not empty)

How can I check whether a string is not null and not empty? (如何检查字符串是否不为null也不为空？) public void doStuff(String str) { if ... empty string */ } /* ... */ } ask by translate from so...

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

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