Webclient exe
Author: h | 2025-04-24
I am using the WebClient class to download an .exe file from a web server. Here is the code I am using to download the file: WebClient webClient = new WebClient(); webClient.DownloadProgressCh
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{ var config = new AppConfig(); config.setSingleTeamBotToken(System.getenv("SLACK_BOT_TOKEN")); config.setSigningSecret(System.getenv("SLACK_SIGNING_SECRET")); var app = new App(config); // `new App()` does the same app.command("/schedule", (req, ctx) -> { var logger = ctx.logger; var tomorrow = ZonedDateTime.now().truncatedTo(ChronoUnit.DAYS).plusDays(1).withHour(9); try { var payload = req.getPayload(); // Call the chat.scheduleMessage method using the built-in WebClient var result = ctx.client().chatScheduleMessage(r -> r // The token you used to initialize your app .token(ctx.getBotToken()) .channel(payload.getChannelId()) .text(payload.getText()) // Time to post message, in Unix Epoch timestamp format .postAt((int) tomorrow.toInstant().getEpochSecond()) ); // Print result logger.info("result: {}", result); } catch (IOException | SlackApiException e) { logger.error("error: {}", e.getMessage(), e); } // Acknowledge incoming command event return ctx.ack(); }); var server = new SlackAppServer(app); server.start(); }}JavaScriptCode to initialize Bolt app// Require the Node Slack SDK package (github.com/slackapi/node-slack-sdk)const { WebClient, LogLevel } = require("@slack/web-api");// WebClient instantiates a client that can call API methods// When using Bolt, you can use either `app.client` or the `client` passed to listeners.const client = new WebClient("xoxb-your-token", { // LogLevel can be imported and used to make debugging simpler logLevel: LogLevel.DEBUG});// Unix timestamp for tomorrow morning at 9AMconst tomorrow = new Date();tomorrow.setDate(tomorrow.getDate() + 1);tomorrow.setHours(9, 0, 0);// Channel you want to post the message toconst channelId = "C12345";try { // Call the chat.scheduleMessage method using the WebClient const result = await client.chat.scheduleMessage({ channel: channelId, text: "Looking towards the future", // Time to post message, in Unix Epoch timestamp format post_at: tomorrow.getTime() / 1000 }); console.log(result);}catch (error) { console.error(error);}PythonCode to initialize Bolt appimport datetimeimport loggingimport os# Import WebClient from Python SDK (github.com/slackapi/python-slack-sdk)from slack_sdk import WebClientfrom slack_sdk.errors import SlackApiError# WebClient instantiates a client that can call API methods# When using Bolt, you can use either `app.client` or the `client` passed to listeners.client = WebClient(token=os.environ.get("SLACK_BOT_TOKEN"))logger = logging.getLogger(__name__)# Create a timestamp for tomorrow at 9AMtomorrow = datetime.date.today() + datetime.timedelta(days=1)scheduled_time = datetime.time(hour=9, minute=30)schedule_timestamp = datetime.datetime.combine(tomorrow, scheduled_time).strftime('%s')# Channel you want to post message tochannel_id = "C12345"try: # Call the chat.scheduleMessage method using the WebClient result = client.chat_scheduleMessage( channel=channel_id, text="Looking towards the future", post_at=schedule_timestamp ) # Log the result logger.info(result)except SlackApiError as e: logger.error("Error scheduling message: {}".format(e))HTTPPOST application/jsonAuthorization: Bearer xoxb-your-token{ "channel": "YOUR_CHANNEL_ID", "text": "Hey, team. Don't forget about breakfast catered by John Hughes Bistro today.", "post_at": 1551891428,}
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JsonValue.Parse(System.IO.File.ReadAllText(sJsonFilePath)); String Title = fullJson["title"]; String url = fullJson["url"]; using (WebClient client = new WebClient()) { client.DownloadFile(url, sImageFilePathOutputFolder + Path.DirectorySeparatorChar + Title); } }As already stated, we are interested only in "title" and "url" field.The "url" represents the actual web location of the file. WebClient class is used to download the image file from this URL. The output filename will be the same as that of the "title".using (WebClient client = new WebClient()){ client.DownloadFile(url, sImageFilePathOutputFolder + Path.DirectorySeparatorChar + Title);}IDownloadProgressNotifier InterfaceThis interface declares the following functions. Downloader manager uses this interface to notify the downloading status.Interface FunctionsOnCurrentFileProgress(String sCurrentFileName, int processedFilesCount, int totalFileCount)This function notifies the handler about the current file being processed along with the total progress.PreDownload(int TotalFilesCount)This function will be called just before start of the download.OnDownloadFinish();This function will be called after download finishes.OnError(String sFileName, String sErrorInformation);This function will be called in case any error occurs. It passes the name of the file for which error occurred as well as the error information.Form1 ClassThis class is a simple C# form class which owns the UI. Along with the simple UI elements shown in the picture, it implements the IDownloadProgressNotifier interface. The reference to this class is sent to the Download Manager as a handler. The implementation of the IDownloadProgressNotifier interface functions is used to update the UI with progress status.IDownloadProgressNotifier Interface ImplementationOnCurrentFileProgress(String sCurrentFileName, int processedFilesCount, int totalFileCount)This function notifies the handler about the current file being processed along with the total progress. This callback function increments the progressbar by one. This makes progressbar to move forward by one unit.public void OnCurrentFileProgress (string sCurrentFileName, int processedFilesCount, int totalFileCount) { pbTotalProgress.Increment(1); }PreDownload(int TotalFilesCount)This callback function is used to initialize the progress bar on the UI.public void PreDownload(int TotalFilesCount) { pbTotalProgress.Minimum = 0; pbTotalProgress.Maximum = TotalFilesCount; pbTotalProgress.Step = 1; }This function will beFree webclient exe下載 Download - webclient exe下載 for Windows
If it does not exist.Create WindowsManagementFramework folder in C:\Temp if it does not exist.Download the WMF 5.1 zip file.Extract and cleanup the Win7AndW2K8R2-KB3191566-x64.zip zip file.Install MSU Win7AndW2K8R2-KB3191566-x64.msu.Reboot the server after 3 seconds.Begin by creating a copy and saving it as “Install-Azure-Arc-software-requirements-on-W2K8-R2-SP1“, or you can directly download it from GitHub.As a best practice, it’s advisable to adjust the script and execute it from a management server or your administrator’s workstation.## ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------## Variables$tempFolderName = "Temp"$tempFolderPath = "C:" + $tempFolderName +""$itemType = "Directory"$wmfFolderName = "WindowsManagementFramework"$tempWmfFolderPath = $tempFolderPath + $wmfFolderName +""$wmfUrl = " = $tempWmfFolderPath + "Win7AndW2K8R2-KB3191566-x64.zip"$global:currenttime= Set-PSBreakpoint -Variable currenttime -Mode Read -Action {$global:currenttime= Get-Date -UFormat "%A %m/%d/%Y %R"}$foregroundColor1 = "Red"$foregroundColor2 = "Yellow"$writeEmptyLine = "`n"$writeSeperatorSpaces = " - "# ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------## Check if PowerShell is running as an administrator; otherwise, exit the script$currentPrincipal = New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())$isAdministrator = $currentPrincipal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)if ($isAdministrator -eq $false) { Write-Host ($writeEmptyLine + "# Please run PowerShell as Administrator" + $writeSeperatorSpaces + $currentTime)` -foregroundcolor $foregroundColor1 $writeEmptyLine exit} # ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------## Remove the breaking change warning messagesSet-Item -Path Env:\SuppressAzurePowerShellBreakingChangeWarnings -Value $true | Out-Null$warningPreference = "SilentlyContinue"## ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------## Write script startedWrite-Host ($writeEmptyLine + "# Script started. Without errors, it can take up to 4 minutes to complete" + $writeSeperatorSpaces + $currentTime)`-foregroundcolor $foregroundColor1 $writeEmptyLine ## ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------## Create C:\Temp folder if it does not existIf(!(test-path $tempFolderPath)){New-Item -Path "C:" -Name $tempFolderName -ItemType $itemType -Force | Out-Null}Write-Host ($writeEmptyLine + "# $tempFolderName folder available" + $writeSeperatorSpaces + $currentTime)`-foregroundcolor $foregroundColor2 $writeEmptyLine## ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------## Create WindowsManagementFramework folder in C:\Temp if it does not exist If(!(test-path $tempWmfFolderPath)){New-Item -Path $tempFolderPath -Name $wmfFolderName -ItemType $itemType | Out-Null} Write-Host ($writeEmptyLine + "# $wmfFolderName folder available in the $tempFolderName folder" + $writeSeperatorSpaces + $currentTime)`-foregroundcolor $foregroundColor2 $writeEmptyLine## ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------## Download the WMF 5.1 zip file# Create a new WebClient object$webClient = New-Object System.Net.WebClient# Download the zip file$webClient.DownloadFile($wmfUrl, $wmfZip)# Dispose of the WebClient object to release resources$webClient.Dispose()Write-Host ($writeEmptyLine + "# Win7AndW2K8R2-KB3191566-x64.zip available in. I am using the WebClient class to download an .exe file from a web server. Here is the code I am using to download the file: WebClient webClient = new WebClient(); webClient.DownloadProgressCh MALICIOUS. Application was dropped or rewritten from another process. WebClient[1].exe (PID: 3620) WebClient[1].exe (PID: 1472) Downloads executable files from the InternetFree webclient exe 下載 Download - webclient exe 下載 for Windows
I recently published an article on screen scraping with Java, and a few Twitter followers pondered why I used JSoup instead of the popular, browser-less web testing framework HtmlUnit. I didn’t have a specific reason, so I decided to reproduce the exact same screen scraper application tutorial with HtmlUnit instead of JSoup. The original tutorial simply pulled a few pieces of information from the GitHub interview questions article I wrote. It pulled the page title, the author name and a list of all the links on the page. This tutorial will do the exact same thing, just differently. HtmlUnit Maven POM entries The first step to use HtmlUnit is to create a Maven-based project and add the appropriate GAV to the dependencies section of the POM file. Here’s an example of a complete Maven POM file with the HtmlUnit GAV included in the dependencies. 4.0.0 com.mcnz.screen.scraper java-screen-scraper 1.0 net.sourceforge.htmlunit htmlunit 2.34.1 maven-compiler-plugin 1.8 1.8 The HtmlUnit screen scraper code The next step in the HtmlUnit screen scraper application creation process is to produce a Java class with a main method, and then create an instance of the HtmlUnit WebClient with the URL of the site you want HtmlUnit to scrape. package com.mcnz.screen.scraper;import com.gargoylesoftware.htmlunit.*;import com.gargoylesoftware.htmlunit.html.*;public class HtmlUnitScraper { public static void main(String args[]) throws Exception { String url = " WebClient webClient = new WebClient(); webClient.getOptions().setUseInsecureSSL(true); webClient.getOptions().setCssEnabled(false); webClient.getOptions().setJavaScriptEnabled(false); }} The HtmlUnit API The getPage(URL) method of the WebClient class will parse the provided URL and return a HtmlPage object that represents the web page. However, CSS, JavaScript and a lack of a properly configured SSL keystore can cause the getPage(URL) method to fail. It’s prudent when you prototype to turn these three features off before you obtain the HtmlPage object. webClient.getOptions().setUseInsecureSSL(true);webClient.getOptions().setCssEnabled(false);webClient.getOptions().setJavaScriptEnabled(false);HtmlPage htmlPage = webClient.getPage(url); In the previous example, we tested ourwebclient exe download for Windows - UpdateStar
Examples of Adding Requests Parameters like URI Path Parameters and Query Parameters in Spring WebClient requests.OverviewURI Parameters in RequestsPath ParametersQuery ParametersPath Parameters in WebClientPath Parameter using String ConcatenationPath Parameter using UriBuilderPath Parameter using UriTemplateQuery Parameters in WebClientSingle ValueMultiple Values or ArraysComma Separated ValueSummaryOverviewSpring WebClient is a reactive and non-blocking client for making HTTP requests. This client is part of the Spring WebFlux library, and as per the recent updates, it will replace the traditional RestTemplate client. In contrast to the RestTemplate, WebClient offers the flexibility of using a builder pattern to build and execute requests. Also, the WebClient allow blocking or a non-blocking style of request execution. In this tutorial, we will learn to pass URI Parameters (path parameters and query parameters) in WebClient Requests. Before we do that, let’s understand URI Parameters and examples of different types of parameters. The Request URI parameters help identify particular resources on the server, specify certain filters on the response, or pass some information to the server. There are three types of request parameters – Path Parameters, Query Parameters, and Header Parameters. However, this tutorial focuses on Request URI parameters, path parameters or path variables and query parameters. Path ParametersThe Path Parameters are request parameters appearing on a Request URI’s path. They are also known as Path Variables or Path Segments. They help to bind the Request to a specific resource(s). For example,GET /studentsGET /students/{studentId}GET /students/{studentId}/assignments/{assignmentId}The first endpoint maps to all students on the server. Hence the server should return all students in the response. However, the second endpoint has a path variable to identify a particular student. Similarly, the third endpoint has nested path variables, which map to a particular assignment of a particular student. Query ParametersThe Query Parameters or Query String Parameters are key and value pairs separated by an ampersand (&), and they appear at the end of a URL after a question mark (?). The Query Parameters are an extension to Path variables and are usually used to put additional filters on the resource. For example,GET /students?firstName=Jon&year=1995GET /students?year=1995&year=1996&year=1997In the first one, the endpoint finds students by firstName and year. Similarly, the second one returns students by an array of years.The following sections will show how to pass Path Variables and Query Strings using Spring WebFlux WebClient. Path Parameters in WebClientLet’s use WebClient to access a resource endpoint without passing any path variable or parameter. WebClient.create(" .get() .uri("/students") .retrieve() .bodyToFlux(Student.class);Code language: Java (java)This returns a Flux of all students. Now, let’s add a path variable to narrow the Request to a specific resource. Path Parameter using String ConcatenationThe simplest and the most basic method of adding a path parameter or URI component to a request URI is to use String concatenation.WebClient.create(" .get() .uri("/students/" + studentId) .retrieve() .bodyToMono(Student.class);Code language: Java (java)Path Parameter using UriBuilderAlternatively, we can use Spring UriBuilder to build a URI with a Path Variable or Path Segment. WebClient.create(" .get() .uri(uriBuilder -> uriBuilder .path("/student/{studentId}") .build(studentId)) .retrieve() .bodyToMono(Student.class);Code language: Java (java)The UriBuilder function replaces the {studentId} token with the valuewebclient exe for windows 10 - UpdateStar
#1 Hello everybody !We have installed the new Chrome extension, and sometimes, the windows of the client is only showing the 3CX logo. it's impossible to take the call. I'm attaching a screen capture.I can solve it by turning it off then on. But I miss the call each time it arrives. Did anybody have the same pb ? Thanks ! Capture d’écran de 2020-02-03 14-58-56.png 39.3 KB · Views: 5 #3 Chrome, on Linux Ubuntu 19.10 #4 That's strange, you don't face this kind of issue with the webclient ? Is it happening on many computers or only one ? #5 It happened on mine (Ubuntu), and I saw it at least on two Windows 10 computers. #6 Hi Francois,It sounds like the extension cannot fully load, its waiting for a connection while you see the logo.Is there anything on your network that may impede communication to the PBX HTTPS port?If you uninstall the extension, can you run your webclient directly with no issue?webclient exe free download - UpdateStar
Provided in the build() method. Similarly, we can use the UriBuilder to build a URI with multiple path variables that access a nested resource on the server. WebClient.create(" .get() .uri(uriBuilder -> uriBuilder .path("/student/{studentId}/assignments/{assignmentId}") .build(studentId, assignmentId)) .retrieve() .bodyToMono(Student.class);Code language: Java (java)The example shows executing an endpoint with two path parameters. We have provided two values to the build() method. The UriBuilder sequentially replace them in the URI from left to right. Path Parameter using UriTemplateSimilarly, we can use Spring UriTemplate to build a URI with zero or more path parameters. Using it, we can create a URI template once and use it with different values to access other resources. Firstly, we will create an instance of UriTemplate by providing a templated URI in the form of a string.UriTemplate uriTemplate = new UriTemplate( "/student/{studentId}/assignments/{assignmentId}");Code language: Java (java)Next, we can use the UriTempalte in WebFlux WebClient and provide path parameters.WebClient.create(" .get() .uri(uriTemplate.expand(studentId, assignmentId)) .retrieve() .bodyToMono(Student.class);Code language: Java (java)A new URI instance is returned every time we invoke the expand method. That means we can reuse the same URI Template to make different requests with different path variable values. Query Parameters in WebClientSimilar to the path parameters, we can use String concatenation or UriTemplate to attach query parameters. However, using the UriBuilder to pass query parameters is slightly different than path variables. Thus, we will focus on using UriBuilder. Single ValueTo pass single-value query parameters, create a path of the base resource URI and then use the queryParam() method to append key-value pairs. String firstName = "Jon";String year = "1996";WebClient.create(" .get() .uri(uriBuilder -> uriBuilder.path("/students") .queryParam("firstName", firstName) .queryParam("year", year) .build()) .retrieve() .bodyToMono(Student.class);Code language: Java (java)The final URL that the WebClient executes will be language: plaintext (plaintext)Multiple Values or ArraysIf a query parameter in a URI has multiple values, then the parameter appears multiple times with different values. To do that with UriBuilder, we can pass all those values into the queryParam() method. WebClient.create(" .get() .uri(uriBuilder -> uriBuilder.path("/students") .queryParam("year", 1995, 1996, 1997) .build()) .retrieve() .bodyToMono(Student.class);Code language: Java (java)The example shows passing an array as a query String in WebClient. The final URL looks like this. language: plaintext (plaintext)Comma Separated ValueLastly, to send a query parameter having comma-separated values, we can join multiple String values with commas.WebClient.create(" .get() .uri(uriBuilder -> uriBuilder.path("/students") .queryParam("year", String.join(",", "1995", "1996", "1997")) .build()) .retrieve() .bodyToMono(Student.class);Code language: Java (java)The final URL looks as shown in the following snippet. language: plaintext (plaintext)SummaryThis tutorial discussed How to pass URI Parameters in Spring WebFlux WebClient Requests and offered many examples of passing path parameters and request query string parameters to a WebClient Request.To summarize, we started with an introduction to request URI parameters – path parameters or path segments and query strings with examples. Then we learned how to use String concatenation, UriBuilder, and UriTemplate to add path parameters in WebClient. Lastly, we learned to pass single-value query parameters, multi-value query parameters, and query parameters with comma-separated values.. I am using the WebClient class to download an .exe file from a web server. Here is the code I am using to download the file: WebClient webClient = new WebClient(); webClient.DownloadProgressCh
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PLEASE DO NOT INCLUDE ANY PASSWORDS OR TOKENS IN YOUR ISSUE!!!Describe the issueError when downloading the artifacts from url like ' used to create container and cause the issue$credential = (New-Object pscredential 'admin', (ConvertTo-SecureString -String '123' -AsPlainText -Force))New-BCContainer -accept_eula -accept_outdated-artifactUrl ' -auth NavUserPassword-containerName 'bcgb' `-Credential $credentialFull output of scriptsBcContainerHelper is version 5.0.4BcContainerHelper is running as administratorHyperV is EnabledUsePsSession is TrueHost is Microsoft Windows 10 Pro - 10.0.19045.3324Docker Client Version is 18.09.11Docker Server Version is 18.09.11Removing Desktop shortcutsDownloading artifact /onprem/19.4.35398.35482/gbDownloading C:\Users\MyUser\AppData\Local\Temp\8a82b81d-255e-454d-891f-ccefa9b73f2d.zipDownloading using WebClientCould not download from CDN..., retrying from blob storage in 6 seconds...Downloading using WebClientDownload-Artifacts Telemetry Correlation Id: d986c0c3-94b8-47a9-8048-0af636227c7fNew-BCContainer Telemetry Correlation Id: 4f49f4c4-bc12-4999-afb3-d6a716aed005Exception calling "DownloadFile" with "2" argument(s): "An exception occurred during a WebClient request."At C:\Program Files\WindowsPowerShell\Modules\BcContainerHelper\5.0.4\Common\Download-File.ps1:98 char:17 throw (GetExtendedErrorMessage $_) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~CategoryInfo : OperationStopped: (Exception calli...lient request.":String) [], RuntimeExceptionFullyQualifiedErrorId : Exception calling "DownloadFile" with "2" argument(s): "An exception occurred during a WebClient request."ScreenshotsNAAdditional contextdoes it happen all the time? Yesdid it use to work? Yes. I am using the WebClient class to download an .exe file from a web server. Here is the code I am using to download the file: WebClient webClient = new WebClient(); webClient.DownloadProgressCh MALICIOUS. Application was dropped or rewritten from another process. WebClient[1].exe (PID: 3620) WebClient[1].exe (PID: 1472) Downloads executable files from the InternetMalware analysis WebClient(1).exe Malicious activity
With mapped drivesWhen using AD/LDAP with SynaMan, the actual password verification is delegated to your LDAP server. Therefore, users will be requiredto log in from the web interface before creating a mapped drive.File size limitations on WindowsBy default, the Windows operating system does not allow downloading larger than 50MB files. This value is often very small for most users. Unfortunately,the only way to bypass this limit is to configure the machine where the drive is mapped using the following steps: Open Registry Editor on Windows. Type Regedit in the Run window. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WebClient\Parameters. Double click FileSizeLimitInBytes on the right hand side. Ensure Decimal is selected for Base and enter 4294967295 for the value. This will modify the maximum size to 4GB. Unfortunately, since this is a 32bit integer, you cannot specify a larger value. See image below Save the settings and exit Registry Editor. Restart WebClient Service from Control Panel Reconnect to your drives Troubleshooting Common ProblemsError: The network path could not be foundSymptomsWhile mapping a drive, you get an error from Windows operating system that say:The network path could not be foundSolutionFirst, try entering the path for your SynaMan server using a browser to ensure you can connect. Next, try the following network settingsComments
{ var config = new AppConfig(); config.setSingleTeamBotToken(System.getenv("SLACK_BOT_TOKEN")); config.setSigningSecret(System.getenv("SLACK_SIGNING_SECRET")); var app = new App(config); // `new App()` does the same app.command("/schedule", (req, ctx) -> { var logger = ctx.logger; var tomorrow = ZonedDateTime.now().truncatedTo(ChronoUnit.DAYS).plusDays(1).withHour(9); try { var payload = req.getPayload(); // Call the chat.scheduleMessage method using the built-in WebClient var result = ctx.client().chatScheduleMessage(r -> r // The token you used to initialize your app .token(ctx.getBotToken()) .channel(payload.getChannelId()) .text(payload.getText()) // Time to post message, in Unix Epoch timestamp format .postAt((int) tomorrow.toInstant().getEpochSecond()) ); // Print result logger.info("result: {}", result); } catch (IOException | SlackApiException e) { logger.error("error: {}", e.getMessage(), e); } // Acknowledge incoming command event return ctx.ack(); }); var server = new SlackAppServer(app); server.start(); }}JavaScriptCode to initialize Bolt app// Require the Node Slack SDK package (github.com/slackapi/node-slack-sdk)const { WebClient, LogLevel } = require("@slack/web-api");// WebClient instantiates a client that can call API methods// When using Bolt, you can use either `app.client` or the `client` passed to listeners.const client = new WebClient("xoxb-your-token", { // LogLevel can be imported and used to make debugging simpler logLevel: LogLevel.DEBUG});// Unix timestamp for tomorrow morning at 9AMconst tomorrow = new Date();tomorrow.setDate(tomorrow.getDate() + 1);tomorrow.setHours(9, 0, 0);// Channel you want to post the message toconst channelId = "C12345";try { // Call the chat.scheduleMessage method using the WebClient const result = await client.chat.scheduleMessage({ channel: channelId, text: "Looking towards the future", // Time to post message, in Unix Epoch timestamp format post_at: tomorrow.getTime() / 1000 }); console.log(result);}catch (error) { console.error(error);}PythonCode to initialize Bolt appimport datetimeimport loggingimport os# Import WebClient from Python SDK (github.com/slackapi/python-slack-sdk)from slack_sdk import WebClientfrom slack_sdk.errors import SlackApiError# WebClient instantiates a client that can call API methods# When using Bolt, you can use either `app.client` or the `client` passed to listeners.client = WebClient(token=os.environ.get("SLACK_BOT_TOKEN"))logger = logging.getLogger(__name__)# Create a timestamp for tomorrow at 9AMtomorrow = datetime.date.today() + datetime.timedelta(days=1)scheduled_time = datetime.time(hour=9, minute=30)schedule_timestamp = datetime.datetime.combine(tomorrow, scheduled_time).strftime('%s')# Channel you want to post message tochannel_id = "C12345"try: # Call the chat.scheduleMessage method using the WebClient result = client.chat_scheduleMessage( channel=channel_id, text="Looking towards the future", post_at=schedule_timestamp ) # Log the result logger.info(result)except SlackApiError as e: logger.error("Error scheduling message: {}".format(e))HTTPPOST application/jsonAuthorization: Bearer xoxb-your-token{ "channel": "YOUR_CHANNEL_ID", "text": "Hey, team. Don't forget about breakfast catered by John Hughes Bistro today.", "post_at": 1551891428,}
2025-04-04JsonValue.Parse(System.IO.File.ReadAllText(sJsonFilePath)); String Title = fullJson["title"]; String url = fullJson["url"]; using (WebClient client = new WebClient()) { client.DownloadFile(url, sImageFilePathOutputFolder + Path.DirectorySeparatorChar + Title); } }As already stated, we are interested only in "title" and "url" field.The "url" represents the actual web location of the file. WebClient class is used to download the image file from this URL. The output filename will be the same as that of the "title".using (WebClient client = new WebClient()){ client.DownloadFile(url, sImageFilePathOutputFolder + Path.DirectorySeparatorChar + Title);}IDownloadProgressNotifier InterfaceThis interface declares the following functions. Downloader manager uses this interface to notify the downloading status.Interface FunctionsOnCurrentFileProgress(String sCurrentFileName, int processedFilesCount, int totalFileCount)This function notifies the handler about the current file being processed along with the total progress.PreDownload(int TotalFilesCount)This function will be called just before start of the download.OnDownloadFinish();This function will be called after download finishes.OnError(String sFileName, String sErrorInformation);This function will be called in case any error occurs. It passes the name of the file for which error occurred as well as the error information.Form1 ClassThis class is a simple C# form class which owns the UI. Along with the simple UI elements shown in the picture, it implements the IDownloadProgressNotifier interface. The reference to this class is sent to the Download Manager as a handler. The implementation of the IDownloadProgressNotifier interface functions is used to update the UI with progress status.IDownloadProgressNotifier Interface ImplementationOnCurrentFileProgress(String sCurrentFileName, int processedFilesCount, int totalFileCount)This function notifies the handler about the current file being processed along with the total progress. This callback function increments the progressbar by one. This makes progressbar to move forward by one unit.public void OnCurrentFileProgress (string sCurrentFileName, int processedFilesCount, int totalFileCount) { pbTotalProgress.Increment(1); }PreDownload(int TotalFilesCount)This callback function is used to initialize the progress bar on the UI.public void PreDownload(int TotalFilesCount) { pbTotalProgress.Minimum = 0; pbTotalProgress.Maximum = TotalFilesCount; pbTotalProgress.Step = 1; }This function will be
2025-04-12I recently published an article on screen scraping with Java, and a few Twitter followers pondered why I used JSoup instead of the popular, browser-less web testing framework HtmlUnit. I didn’t have a specific reason, so I decided to reproduce the exact same screen scraper application tutorial with HtmlUnit instead of JSoup. The original tutorial simply pulled a few pieces of information from the GitHub interview questions article I wrote. It pulled the page title, the author name and a list of all the links on the page. This tutorial will do the exact same thing, just differently. HtmlUnit Maven POM entries The first step to use HtmlUnit is to create a Maven-based project and add the appropriate GAV to the dependencies section of the POM file. Here’s an example of a complete Maven POM file with the HtmlUnit GAV included in the dependencies. 4.0.0 com.mcnz.screen.scraper java-screen-scraper 1.0 net.sourceforge.htmlunit htmlunit 2.34.1 maven-compiler-plugin 1.8 1.8 The HtmlUnit screen scraper code The next step in the HtmlUnit screen scraper application creation process is to produce a Java class with a main method, and then create an instance of the HtmlUnit WebClient with the URL of the site you want HtmlUnit to scrape. package com.mcnz.screen.scraper;import com.gargoylesoftware.htmlunit.*;import com.gargoylesoftware.htmlunit.html.*;public class HtmlUnitScraper { public static void main(String args[]) throws Exception { String url = " WebClient webClient = new WebClient(); webClient.getOptions().setUseInsecureSSL(true); webClient.getOptions().setCssEnabled(false); webClient.getOptions().setJavaScriptEnabled(false); }} The HtmlUnit API The getPage(URL) method of the WebClient class will parse the provided URL and return a HtmlPage object that represents the web page. However, CSS, JavaScript and a lack of a properly configured SSL keystore can cause the getPage(URL) method to fail. It’s prudent when you prototype to turn these three features off before you obtain the HtmlPage object. webClient.getOptions().setUseInsecureSSL(true);webClient.getOptions().setCssEnabled(false);webClient.getOptions().setJavaScriptEnabled(false);HtmlPage htmlPage = webClient.getPage(url); In the previous example, we tested our
2025-03-26