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node.js - How to discard incoming event in Socket.io-client

Hi I am trying to make a tracker app and I'm using socket.io for both server and client. On my client app, I want to ... = 4? I'm really new to this. Please advise. :) Thanks!...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - How to npm install in AWS CloudShell?

I'm trying to install an npm package in the new AWS CloudShell (comes with pre-configured Node.js support) - but I ... 's the best way to install npm packages in AWS CloudShell?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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unit testing - PactBroker throws java.net.ConnectException: Operation timed out (Connection timed out)

I have a pact broker server hosted at https://mytestbroker.com. I am able to browse the broker page. When ... java.net.ConnectException: Operation timed out (Connection timed out)...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sockets - How to check number of bytes downloaded by Apache’s asynchronous CloseableHttpPipeliningClient without waiting for entire response list to be received

Is there a way I can check the number of bytes downloaded by an Apache's CloseableHttpPipeliningClient without waiting for the entire ... WITH EXECUTE"); System.exit(0); } } }...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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selenium - Saving java robot screenshot into testng listener with Extent Reports

I have a test method below which checks for empty password: @Test(priority = 4,description = "Empty password ... message:" + message, extent.addBase64ScreenShot(img)); }...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Detect notification popup using JavaScript

I am creating userscript for messenger site I use. Is it possible to detect when site create notification pop up(usually on ... (get message) // and get content of notification });...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Randomly separate one column into two groups based on ID in R

I have a data frame that looks like this. For each ID, I want to randomly assign subjects into two groups with relatively equal subjects, ... 1 103 4 1 104 4 2 105 5 2 106 6 2 107...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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jquery - Count the number of times a button appears

I am trying to count the number of times that the fadeToggle button appears and include it in <p> paragraph element as text. $(function ... ) = count(i); }); } toggleBox(i); } });...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python scipy-fsolve doesn`t work. why fsolve return 'None'?

first, sorry about my poor English skill. I make BDT-model, but something problem here. this function is change code for ... 040937 5 0.00 0.000000 0.000000 0.000000 0.033516...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Why Console.WriteLine outputs text without a format string and the type name when using a format string?

I using the codes below to print out the reverse name of a user input but I couldn't understand why the Console.WriteLine call ... ); // "Your reverse name is: System.Char[]" }...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Error in optim(init[mask], armaCSS, method = optim.method, hessian = FALSE, : non-finite value supplied by optim

Hi I'm trying to build a Arima forecast using multiple exogenous variables in my R 4.0.2. My exogenous variables are ... them in my Arima Can you help me to resolve the issue?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - System Icons - Windows 10 style

I have custom MessageBox which uses SystemIcons. The problem is that they look outdated. See picture bellow containing Warning/ ... like to set exact same Icon if it is possible....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - useState set method not reflecting change immediately

I am trying to learn hooks and the useState method has made me confused. I am assigning an initial value to a ... "); ReactDOM.render(<StateSelector />, rootElement); </script>...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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how to get alerts count ,how many times the alerts fired for last one week in prometheus

sum by(alertname) (changes(ALERTS_FOR_STATE[24h])) this is giving me all the states. i need only like only how many ... week (already fired). need assist please. thanks in advance...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - print() & matplitlib.pyplot.imshow() not synced in 'for' loop in jupyter notebook

I am trying to print a text corresponding each image n jupyter notebook cell. Below is a dummy code block: #paths = list of ... 't wish to use plt.title() as strings are very long....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Bootstrap NavBar Dropdown Menu

It's been a hot minute since I've used Bootstrap and am trying to get my NavBar to toggle the dropdown. I've looked at all bootstrap ... " href="#">Manage</a> </div> </li> </ul>...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How to fix TargetPlatformMinVersion problem in WPF app?

I'm trying to use Windows UI library in my WPF app, and whenever I install Microsoft.UI.Xaml I get the following ... question is not appropriate, feel free to suggest an edit.]...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Django / Python: TypeError at / 'NoneType' object is not subscriptable

Errors showing in views.py at line data = cartData(request) and utils.py cartItems = cookieData['cartItems'] Errors showing ... ': cartItems, 'order': order, 'items': items}...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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angular - Unit test valueChanges observable pipeline

Scenario A LoginPageComponent expect a user input. This input is a key (phrase) of 6 characters. As soon the user typed 8 ... .Failed; // Set error logic... return EMPTY; } }...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Default Y Axis position of highchart

When the y-axis data of the high chart is 0, I want the y-axis to be located on the x-axis instead of in the ... come out well. What should I do? No maximum value is specified....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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assembly - What is an alternative way to see length of a string in ASM?

I noticed at my ASM book that author uses that LENGTHOF str for finding the size of byte it is searching. Code: ... . So that I can understand better how that really works....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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pandas - How to fill a column with values based on other column's values in Python?

I have a dataframe which looks like this: col1 col2 col3 1. record att1 att2 value1 value2 2. record att3 value1 value2 3. record att4 value1 att5 value1 value2...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Circular dependency error for beans in Spring org.springframework.beans.factory.BeanCurrentlyInCreationException:

I have a classes defined as follows : @Configuration public class TestConfig extends IntegrationTestConfig { @Bean public ... issue but not sure how I can resolve it...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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hyperlink from select form with method get to html (php,mysql)

i need to link a select form to "country_data.php" from "index.php" by GET method's. i'm using php_mysqli connection importing a ... ?php endwhile;?> </select> </td> </form> </tr>...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - How to connect to other webSocket server in SignalR hub?

I'm using SignalR library in my asp.net core app. Now many clients are connecting to the hub. In the hub, I ... clients. How to achieve it? By using the build-in ClientWebSocket?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - how to understand the agrument return the variables

I find the similar code in the c# language, now I still do not understand it in java ,the code is below public ... thing ,like "this.examPaperId= examPaperId",it is strange for me....

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Couchbase Java SDK times out with BUCKET_NOT_AVAILABLE

I am doing a lookup operation Couchbase Java SDK 3.0.9 which looks like this: // Set up bucket = cluster.bucket(" ... build 6299. Do you have any ideas what might have gone wrong?...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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326 views

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Run javascript in chrome extension only after click

I have a chrome extension which I want when pressed to add two eventlisteners, one which colours elements as it ... , true); document.addEventListener("click", removeHover, true);...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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