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string - Difference between == operator and Equals() method in C#?

What is the difference between == and Equals() with example? I know that == is used to compare operator and ... can not convert string to char See Question&Answers more detail:os...

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c++ - SFINAE works differently in cases of type and non-type template parameters

Why does this code work: template< typename T, std::enable_if_t<std::is_same<T, int>::value, T>* = nullptr> ... non-type, then everything is ok. See Question&Answers more detail:os...

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android - Why does FLAG_ACTIVITY_CLEAR_TOP not work?

As the title says, Why intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP) or intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP) ... (); } See Question&Answers more detail:os...

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python - Keras Custom loss function to pass arguments other than y_true and y_pred

I am writing a keras custom loss function where in I want to pass to this function the following: y_true, y_pred ... I achieve this in keras ? See Question&Answers more detail:os...

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Can't open Unicode URL with Python

Using Python 2.5.2 and Linux Debian, I'm trying to get the content from a Spanish URL that contains a Spanish ... me what I am doing wrong ? See Question&Answers more detail:os...

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c# - Timer, event and garbage collection : am I missing something?

Consider the following code : class TestTimerGC : Form { public TestTimerGC() { Button btnGC = new Button(); btnGC. ... my proof didn't work ;) See Question&Answers more detail:os...

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regex - How to extract data from html table in shell script?

I am trying to create a BASH script what would extract the data from HTML table. Below is the example of table from where ... ([^<>]*)</1>@2@g' See Question&Answers more detail:os...

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css - Why don't margin-top: auto and margin-bottom:auto work the same as their left and right counterparts?

If I set the CSS margin properties of a div like so: div { margin-left: auto; margin-right: auto; } I get ... the same way? What am I missing? See Question&Answers more detail:os...

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android - Display the app icon if the contact is associated with the application in phone address book

I am trying to display the application icon for the phone number which is associated with the application ... these messenger applications. See Question&Answers more detail:os...

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c - What is the easiest way to count the newlines in an ASCII file?

Which is the fastest way to get the lines of an ASCII file? See Question&Answers more detail:os...

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python - Split .tfrecords file into many .tfrecords files

Is there any way to split .tfrecords file into many .tfrecords files directly, without writing back each Dataset example ? See Question&Answers more detail:os...

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Merge row values into a CSV (a.k.a GROUP_CONCAT for SQL Server)

I have a table like: EntityID AttributeID OptionText 5016 20 Paintings 5044 18 Female 5060 48 M 5060 48 F ... varied. Any help is appreciated! See Question&Answers more detail:os...

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.net - Using HashSet in C# 2.0, compatible with 3.5

I really want to use hashsets in my program. Using a dictionary feels ugly. I'll probably start using VS2008 with ... the 3.5 hashset in VS2005. See Question&Answers more detail:os...

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How to use HttpServletRequest#getParts() in a servlet filter running on Tomcat?

I would like to upload a file in my JSF application. I am using a Filter and HttpServletRequestWrapper to access the ... in Tomcat 7.0.8? See Question&Answers more detail:os...

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jQuery: read text file from file system

I am trying to read a text file using jquery, like this: // LOAD file and split line by line and append divs ... -files" now it's working OK! See Question&Answers more detail:os...

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asp.net - What is crossdomain.xml file?

Actually I wish I knew where to start from... I have embedded an third party SWF image gallery control, in an ... my webpage work in Chrome too? See Question&Answers more detail:os...

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Wpf - relative image source path

I'm having problems setting the source for images in my Wpf application. I have an Image where the source is ... hints on what I should try? See Question&Answers more detail:os...

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regex - Can I use Perl regular expressions to match balanced text?

I would like to match text enclosed in brackets etc in Perl. How can I do that? This is a question ... importing the perlfaq to Stack Overflow. See Question&Answers more detail:os...

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google chrome - content attribute of img elements

While inspecting the Chrome Dev tools, I noticed the following CSS fragment: img { content: url(image-src.png); ... I am not aware of? See Question&Answers more detail:os...

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asp.net - Cookies and subdomains

Can a cookie be shared between two sites on the same top level domain? Say www.example.com and secure.example.com ? ... need? I'm using asp.net See Question&Answers more detail:os...

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c# - How to make forward-word, backward-word, treat underscore as part of a word?

In my C# mode, M-b and M-f are bound to {backward,forward}-word. But these things stop at underscores, ... the underscore as a word character? See Question&Answers more detail:os...

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c++ - What should std::vector::data() return if the vector is empty?

According to the draft standard (23.3.6.4 vector data), data() points to the underlying array and [data(), ... or may it also return non-null? See Question&Answers more detail:os...

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syntax - How to tell if a string contains valid Python code

If I have a string of Python code, how do I tell if it is valid, i.e., if entered at the Python ... execute the code, just check its syntax. See Question&Answers more detail:os...

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c - Bitwise rotate left function

I am trying to implement a rotate left function that rotates an integer x left by n bits Ex: rotateLeft(0x87654321,4) ... 0xf]. Should be 1[0x1] See Question&Answers more detail:os...

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xml - Use ends with in XSLT v1.0

I am trying to edit a current XSLT. The functionality I want is when the value of "//code_no" ends with 01 I want to ... ></b></a></SPAN></td> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Accessing a form's control from a separate thread

I'm practising on threading and came across this problem. The situation is like this: I have 4 progress bars on ... me how to implement this? See Question&Answers more detail:os...

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tinkerpop3 - How to perform pagination in Gremlin

In Tinkerpop 3, how to perform pagination? I want to fetch the first 10 elements of a query, then the next ... on Gremlin Server would be ideal. See Question&Answers more detail:os...

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python - Pandas: compare list objects in Series

In my dataframe a column is made up of lists, for example: df = pd.DataFrame({'A':[[1,2],[2,4],[3 ... doesn't work. Am I missing something here? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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