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I am completely new to Prolog and trying some exercises. One of them is: Write a predicate set(InList,OutList ... wrong? Thanks in advance. See Question&Answers more detail:os...

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

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Floating point error in representation?

when i make this multiplication 0.94 * 8700 the output is 8177.999999999999 but it should have been 8178 i'm ... example) cause the same error? See Question&Answers more detail:os...

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

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How can I integrate socket.io on Karate

I know that karate has a built-in support for WebSocket, but there is anyway that can use socket.io on ... that the message is as expected. See Question&Answers more detail:os...

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

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javascript - ReactJS - Get Height of an element

How can I get the Height of an element after React renders that element? HTML <div id="container"> <!-- This ... be 18px in this case. jsfiddle See Question&Answers more detail:os...

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

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java - HttpGet with HTTPS : SSLPeerUnverifiedException

Using HttpClient, I receive the following error when attempting to communicate over HTTPS: Exception in thread "main" ... or remove this error? See Question&Answers more detail:os...

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

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python - Count consecutive characters

How would I count consecutive characters in Python to see the number of times each unique digit repeats before the ... a solution that way. See Question&Answers more detail:os...

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

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What is the difference in Javascript between 'undefined' and 'not defined'?

If you attempt to use a variable that does not exist and has not been declared, javascript will throw an error. var ... and var b = undefined;? See Question&Answers more detail:os...

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

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Reading mp4 files with PHP

I'm trying to read mp4 file with PHP and what I'm doing now is this: <?php header("Content-Length: ... video.mp4) everything goes well. Thanks. 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# - Grab all text from html with Html Agility Pack

Input <html><body><p>foo <a href='http://www.example.com'>bar</a> baz</p></body></html> Output foo bar ... get each text, not all at a time. See Question&Answers more detail:os...

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

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javascript - How do you limit options selected in a html select box?

I'm using a select tag in a form I'm making that allows multiple selections, but I want to make the ... or jquery? Thanks in advance! 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++ - Why is sizeof(std::string) only eight bytes?

Why is std::string's size, as determined by sizeof(std::string), yield 8? I thought it should be more ... and probably a char* for characters. 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++ - What (actually) happens, when a function with the warning "control reaches end of non-void function" is called?

I know what this message means, I just wondered why it is not an error message, but just a warning? What ... value and nothing more can happen? See Question&Answers more detail:os...

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

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f# - Shadowing and Nested function

I want to understand how the mechanism of Shadowing and Nested function work. For example: let func y = ... someone explain what happen 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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json - jq: Object cannot be csv-formatted, only array

I am new to jq and I have a JSON file from a DynamoDB table which I want to convert to CSV. This is my ... able to figure it out. Thank you! See Question&Answers more detail:os...

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

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android - Save data and change orientation

I have two activities and I use android:configChanges="keyboardHidden|orientation|screenSize" @Override public void ... activity orientation? See Question&Answers more detail:os...

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

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assembly - x86 XOR opcode differences

looking at http://ref.x86asm.net/coder32.html I found two opcodes that match for the statement xor eax,eax ... the XORing two 32bit registers ? See Question&Answers more detail:os...

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

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javascript - Setting value of Observable not updating in Knockout

(There are a ton of questions every day that link back to why can't I set the value of my observable ... item into my Knockout observable array? See Question&Answers more detail:os...

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

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python - pandas group by and find first non null value for all columns

I have pandas DF as below , id age gender country sales_year 1 None M India 2016 2 23 F India 2016 1 20 M ... data(id exist) for all the ids. See Question&Answers more detail:os...

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

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google chrome - javascript large integer round because precision? (why?)

If you do for(var i = 0; i < 30; i++){console.log(i + " == " + 78764357878563800 + " ? "); ... numbers and more big than this would be nice. See Question&Answers more detail:os...

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

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callback - wait for Element Upgrade in connectedCallback: FireFox and Chromium differences

Update March 2021: FireFox bug fixed, now behaves the same as Chromium and Safari. That means waiting for the JS ... <my-element>C</my-element> 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# - Multiple Parallel.ForEach loops in .Net

In a .Net process, there is only one managed thread pool. We can set the minimum and maximum thread count as ... the .net core source code. See Question&Answers more detail:os...

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

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python - Is it possible to change sprite colours in Pygame?

I'm making a game in Python using Pygame that includes a small avatar maker before the game starts, but ... it up to more possibilities. See Question&Answers more detail:os...

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

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php - pg_query result contains strings instead of integer, numeric

When I get data from a postgresql database with pg_query,pg_fetch_assoc all numeric fields get returned as strings. Is ... I need it to be? See Question&Answers more detail:os...

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

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python - How to make a circular object jump using pygame?

I have just started using pygame, and I'm stuck. I'm not getting any syntax errors, but I'm sure ... code in this website works perfectly. See Question&Answers more detail:os...

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

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android - Stop AsyncTask doInBackground method

I have created an AsyncTask in a class and i am calling that task from a fragment. The problem is i ... @Override protected ArrayList<CarDetail> doInBackground(String... params) {...

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

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622 views

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How to interact with the reCAPTCHA audio element using Selenium and Python

I want to, click on the button to resolve the captcha through the audio, but selenium does not detect the specified ... audio-button"))).click() See Question&Answers more detail:os...

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

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How to properly close socket in both client and server (python)

I am writing 2 scripts in python. Client.py Server.py There is a socket between the client and server. The scenario ... ? P.S I am using Linux See Question&Answers more detail:os...

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

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React native: Flatlist does not update instantly when i send a message

I just finishing setting up my socket in my react native and nodejs project and still my flatlist does not ... anything while on the chat. See Question&Answers more detail:os...

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

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