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c++ - 使用字符串定界符（标准C ++）在C ++中解析（拆分）字符串(Parse (split) a string in C++ using string delimiter (standard C++))

I am parsing a string in C++ using the following: (我正在使用以下方法在C ++中解析字符串：) string parsed,input="text to be ... 为分隔符，这样我就可以得到Scott和Tiger ) ask by TheCrazyProgrammer translate from so...

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

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464 views

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ruby-on-rails - Rails ActiveStorage：如何避免每个映像进行一次重定向？(Rails ActiveStorage: how to avoid one redirect for each image?)

If you use ActiveStorage and you have a page with N images you get N additional requests to your Rails app (ie N redirects). ... (否则，那为什么不可能呢？) ask by collimarco translate from so...

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

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221 views

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sql - 如何在oracle中将特定id的不同值放入单行？(How to get different value of particular id into single row in oracle?)

I had an below table (我有一张桌子) y TABLE (表) id val -- --- 1 A 1 B 1 C 2 B 2 C 3 A Need output like below (需要 ... to get proper result. (如何获得适当的结果 ) ask by Naveen M translate from so...

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

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regex - 如何匹配除特定字符以外的任何非空白字符？(How to match any non white space character except a particular one?)

In Perl \S matches any non-whitespace character. (在Perl中\S匹配任何非空白字符 ) How can I match any non-whitespace character except a ... 反斜杠\之外的任何非空白字符？) ask by Lazer translate from so...

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

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java - 复制数组(Make copy of an array)

I have an array a which is constantly being updated. (我有一个数组a被不断更新 )Let's say a = [1,2,3,4,5] . (假设a = [1,2,3,4,5] ... 要使用深层复制等高级术语，因为我不知道这意味着什么 ) ask by badcoder translate from so...

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

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python - 如何在Python中反转列表？(How can I reverse a list in Python?)

How can I do the following in Python? (如何在Python中执行以下操作？) array = [0, 10, 20, 40] for (i = array.length() - 1; i >= 0; ... . (我需要一个数组的元素，但是要从头到尾 ) ask by Leo.peis translate from so...

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

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java - 多线程时的异常行为(Unexpected behavior when multithreading)

I am having trouble debugging my code. (我在调试代码时遇到问题 )I am trying to implement multi-threading. (我正在尝试实现多线程 ) ... ().getName()); } } } ask by Yash Pandey translate from so...

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

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530 views

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amazon-redshift - 创建用于频谱S3访问的IAM角色的模板(Template to create IAM role for spectrum S3 access)

The bounty expires in 7 days) . 赏金将在7天后过期) ) Answers to this question are eligible for a +50 ... /AWSGlueConsoleFullAccess" ] } } } } ask by shantanuo translate from so...

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

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arrays - Swift for循环：用于索引，数组中的元素？(Swift for loop: for index, element in array?)

Is there a function that I can use to iterate over an array and have both index and element, like python's enumerate? ... in enumerate(list): ... ask by thinker3 translate from so...

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

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c# - 在C＃中重复字符的最佳方法(Best way to repeat a character in C#)

What it's the best way to generate a string of \t 's in C# (在C＃中生成\t字符串的最佳方法是什么) I am learning C# and ... output += ''; } return output; } ask by Alex Baranosky translate from so...

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

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c# - 未在本地计算机上注册“ Microsoft.ACE.OLEDB.12.0”提供程序('Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine)

I'm trying to get data from an Excel file on a button click event. (我正在尝试在按钮单击事件中从Excel文件获取数据 )My connection ... 7. (我的操作系统是Windows 7 ) ask by Shailesh Sahu translate from so...

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

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java - 如何在底部导航布局中添加TabLayout(How can I add tablayout inside bottom navigation layout)

I'm using Android Studio 3.5 (我正在使用Android Studio 3.5) I have found some old project on stack overflow ... /Tabbed-layou-inside-bottom-navigation) ask by Eric translate from so...

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

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510 views

1 answer

python - 在Python Pandas中向现有DataFrame添加新列(Adding new column to existing DataFrame in Python pandas)

I have the following indexed DataFrame with named columns and rows not- continuous numbers: (我有以下索引的DataFrame，其中的命名列和行不是连续数字：) ... 何在上面的示例中添加列e ？) ask by tomasz74 translate from so...

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

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python - 如何通过索引从列表中删除元素？(How to remove an element from a list by index?)

How do I remove an element from a list by index in Python? (如何在Python中按索引从列表中删除元素？) I found the list.remove method, but ... 列表，但是我不希望执行任何搜索 ) ask by Joan Venge translate from so...

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

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php - 将字符串转换为Date和DateTime(Converting string to Date and DateTime)

If I have a PHP string in the format of mm-dd-YYYY (for example, 10-16-2003), how do I properly convert that to a Date and ... ，另一个地点需要另一个地点 ) ask by Chris Pinski translate from so...

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

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java - 什么时候使用Java的@Override注释，为什么？(When do you use Java's @Override annotation and why?)

What are the best practices for using Java's @Override annotation and why? (使用Java的@Override注释的最佳实践是什么，为什么？) It seems like ... 一些则永远不要使用@Override ？) ask by Alex B translate from so...

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

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java - 无法运行程序java.io.IOException(Cannot run program java.io.IOException)

I am trying to open chrome in this code. (我正在尝试在此代码中打开Chrome )But I am unable to do so because of the cannot run ... 反斜杠，因为反斜杠是转义字符 ) ask by Madhav Agarwal translate from so...

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

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string - 检查字符串是否包含另一个字符串(Check if a string contains another string)

I want to find if a string contains a ","(comma) in it. (我想找一个字符串是否包含，（逗号） )Do we have any other option other ... 阅读char-by-char之外，我们还有其他选择吗？) ask by krishna translate from so...

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

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303 views

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

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1 answer

c# - 如何将String转换为Int？(How can I convert String to Int?)

I have a TextBoxD1.Text and I want to convert it to an int to store it in a database. (我有一个TextBoxD1.Text ，我想将其转换为一个 ... do this? (我怎样才能做到这一点？) ask by turki2009 translate from so...

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

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javascript - 灌注范围压光机输出问题(Primeng range calender output issue)

I want to format the output of the Primeng Range Calender for both dates to be 'dd/MM/yyyy' like this, and I tried ... a date' for pipe 'DatePipe' ask by Ivana translate from so...

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

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370 views

1 answer

angular - Ionic 4如何显示更多/更少的文字？(Ionic 4 how to show more / less text?)

I need to show text but in 2 lines but when user click on show more so he/she can see all text. (我需要显示文本，但 ... 要在annoucement中关闭seemore / less选项) ask by Umaiz Khan translate from so...

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

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1 answer

android - 如何禁用代码中的物理键盘（始终使用虚拟键盘）(How to disable physical keyboard in code(use virtual keyboard all the time))

You might ask why do I want that. (您可能会问我为什么要那样 )Here is the reason: (原因如下：) I used a barcode scanner for the login screen ... 使虚拟键盘出现，即使连接了某些键盘呢？) ask by Han translate from so...

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

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429 views

1 answer

python - 在matplotlib中设置y轴限制(setting y-axis limit in matplotlib)

I need help with setting the limits of y-axis on matplotlib. (我需要在matplotlib上设置y轴限制的帮助 )Here is the code that I ... 200 但是，我希望限制为20和250 ) ask by Curious2learn translate from so...

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

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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)

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353 views

1 answer

android - 发送意图到浏览器以打开特定的URL [重复](Sending an Intent to browser to open specific URL [duplicate])

This question already has an answer here: (这个问题已经在这里有了答案：) How can I open a URL in Android's web browser from my ... a hint? (有人可以给我提示吗？) ask by poeschlorn translate from so...

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

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363 views

1 answer

powerbi - DAX RANKX用于子类别(DAX RANKX for Subcategory)

How to calculate ranking for subcategory? (如何计算子类别的排名？)Say we have sample data with the following expected results: (假设我们 ... ? (你能说明一下吗？) ask by Przemyslaw Remin translate from so...

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

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git - 显示两个修订版之间已更改的文件(Showing which files have changed between two revisions)

I want to merge two branches that have been separated for a while and wanted to know which files have been modified. (我想合并两个已分 ... 否有我遗漏的东西......) ask by johannix translate from so...

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

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