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Is there any way to add a model window to its annex for downloading files?

Laycee last edited by

Would it be useful to know whether the model window for downloading files (e.g. the same as that used to attach the document to the e-mail letter) could be switched on immediately, or whether all that should be written manually? How can that be realized?
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esther last edited by

Yes, I can. WinAPI. GetOpenFileNameat NET-- OpenFileDialog, judging by google.
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QLineEdit, QTableWidget PyQt5, very uncomfortable display of the way to the files, the name of the file itself is not visible.
Software Programming • qt pyqt5 qt5 pyside2 qlineedit • • Oba22

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We need to move the courseor to the end of the field by QLineEdit.end():line = QLineEdit() line.setText("...") line.end(False) # если True, то текст выделится
Contains with string array
Software Programming • c sharp linq • • Analeea

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This is a common problem in several program reviews.With LinQ you can do it this way:Convert your phrase to an array and then search that word contains those you are looking forstring[] palabrasQueBuscar = { "test" ,"como" }; var frase = "Hola como estas".Split(' '); 2 Ways to do it in LinQ (Contains and Any)var contiene2 = palabrasQueBuscar.Where(x => frase.Contains(x)).ToList().Count(); var contiene = frase.Where(a => palabrasQueBuscar.Any(b => a == b)).ToList().Count(); If you want me to return the word I find just take away the Count.I recommend that you use a ToUpperCase or ToLower so that there is no problem in searches
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How do you teach WebView to open Input File - file managers (selection of photos) to download the site?
Software Programming • java android webview android webview • • kalyn

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The objective is divided into two parts:Get a click on the button. WebView ♪ https://www.tutorialspoint.com/how-to-detect-click-on-html-button-through-javascript-in-android-webview In interception, initiate a search/selection from the file system. It's still easier here. If the Android der=6.0 version is blunt Intent.ACTION_OPEN_DOCUMENTindicating the right mimetypeIf the Android KitKat version lower, it's gonna be a little harder. For example https://github.com/iPaulPro/aFileChooser
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How do you turn the background image into a water sign, changing transparency?
Software Programming • c sharp pdf itextsharp • • Pearlaqua

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Look at the background Transparent. This is an example of BackgroundImage. In your code, you add Image to a copy of the Document. There's nothing wrong with that, but if you want to make the picture transparent, you need to create a soft mask. It's not difficult, but there's also a simple way to make the background transparent: add the image straight to the contents and then determine the transparency with PdfExtGState:PdfCanvas canvas = new PdfCanvas(pdfDoc.addNewPage()); ImageData image = ImageDataFactory.create(imgSrc); canvas.saveState(); PdfExtGState state = new PdfExtGState(); state.setFillOpacity(0.6f); canvas.setExtGState(state); canvas.addImage(image, 0, 0, pageSize.getWidth(), false); canvas.restoreState(); You can compare the examples above and see the difference. My example is written on Java, but it's easy to change for C#.
How do you download many files through the file?
Software Programming • ftp • • Bogopo

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You don't need access to FTP only for this task, you need access to the command line (SSH for designated servers or some web page).In the consoles, pack your website:tar -cvzf site_backup.tar.gz /home/clientid/websitefolder Then download the archive through FTP. Indeed, one big file is down. much. faster than 18,000 small files.
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Two-way bind does not work if the model is something like ng-model=“record. name” for the Kendo UI controls
Software Programming • angularjs kendo ui • • Pearlaqua

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The solution is to just add the attribute k-rebind<input type="text" ng-model="record.name" k-rebind="record.name" kendo-numeric-text-box />
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File download monitoring
Software Programming • javascript php jquery ajax json • • Amritpal

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I can!<script onLoad="alert(this.src + ' загружен');" src="https://code.jquery.com/jquery-2.2.4.min.js"></script>You can write a function and perform it, then:<script> function onLoadHandler(obj) { alert(obj.src + ' загружен'); } </script> <script onLoad="onLoadHandler(this);" src="https://code.jquery.com/jquery-2.2.4.min.js"></script>
What's the relative way to the file?
Software Programming • java windows • • briley

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That's right.
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Centralize a label in a badge
Software Programming • c sharp android xamarin • • Oba22

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Just change HorizontalOptions and VerticalOptions Label inside Grid for Center. I would also recommend making clear in the elements within Grid what their position:<Grid xmlns="http://xamarin.com/schemas/2014/forms" xmlns:local="clr-namespace:Operacional" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="Operacional.BadgeView" Padding="5" Margin="1" HeightRequest="16" WidthRequest="32"> <Grid.RowDefinitions> <RowDefinition Height="Auto"/> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto"/> </Grid.RowDefinitions> <local:CircleView Grid.Row="0" Grid.Column="0" x:Name="BadgeCircle" HeightRequest="16" WidthRequest="32" CornerRadius="16" VerticalOptions="Start" HorizontalOptions="Start"/> <Label Grid.Row="0" Grid.Column="0" x:Name="BadgeLabel" TextColor="White" VerticalOptions="Center" HorizontalOptions="Center" VerticalTextAlignment="Center" HorizontalTextAlignment="Center" FontSize="10"/> </Grid> O Grid is one of the Layouts that allow overlay of Views, unlike StackLayoutFor example. The components within it will be organized in a row-column scheme according to the location definition and the components declared last remain on the previous ones. When this location is not explicit it is harder to understand the visual organization of the components in the layout if you need to add or change the views later.To better design the layout, it is interesting to also enable the opão Mostar limites do layout in android developer options.Edition 1:In your case, it is necessary to define the size of the row and column of the grid, because when omitted the view occupies all available space, but you need to occupy only the space necessary to behave your label and circle view.
Download webview android files
Software Programming • android webview download fpdf • • Analeea

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To use the class DownloadManager It is necessary to contemplate having defined permissions:<uses-permission android:name="android.permission.INTERNET"/> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> but you must also require permission WRITE_EXTERNAL_STORAGE manually, check: https://es.stackoverflow.com/questions/167191/permiso-denegado-al-leer-un-archivo/167198#167198 Now it is important that the file url be valid, and that the MIME TYPE defined for the .pdf file is defined as "application/pdf" request.setMimeType("application/pdf"); Now the directory and the file name must be defined within the method setDestinationInExternalPublicDir() but you could have trouble defining the name as you're using URLUtil.guessFileName(url, contentDisposition, mimetype), ensures that this method generates a file name (including extension) with which the downloaded file will be saved, for example: request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, "pdf_sample.pdf"); you could even print the route where the file will be saved: Log.i(TAG, "The file will be downloaded as : " + Environment.DIRECTORY_DOWNLOADS + "pdf_sample.pdf"); remember that the file will be saved within the directory /dowloads since you defined Environment.DIRECTORY_DOWNLOADS This would be the code:DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url)); request.allowScanningByMediaScanner(); request.setMimeType(mimetype); String cookie = CookieManager.getInstance().getCookie(url); request.addRequestHeader("Cookie", cookie); //request.addRequestHeader("User-Agent", userAgent); request.setAllowedNetworkTypes( DownloadManager .Request.NETWORK_WIFI | DownloadManager.Request.NETWORK_MOBILE); request.setAllowedOverRoaming(true); request.setDescription("Downloading File..."); request.setTitle("PDF File"); request.allowScanningByMediaScanner(); request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED); request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, "pdf_sample.pdf"); DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE); downloadManager.enqueue(request); I share a complete example: https://github.com/Jorgesys/Android-DownloadManager
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WPF - ConvertBack for collection
Software Programming • c sharp wpf xaml mvvm binding • • zymir

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Well, there's actually a few ways to solve this, one of them. EventTriggerThere's another option c.attached property and behaviorbut in fact the essence of these decisions is about one thing.XAML code:<ListBox Name="MyListBox" Grid.Row="0" DisplayMemberPath="Name" ItemsSource="{Binding Users}" SelectionMode="Multiple"> <i:Interaction.Triggers> <i:EventTrigger EventName="SelectionChanged"> <i:InvokeCommandAction Command="{Binding SelectedItemChangedCommand}" CommandParameter="{Binding ElementName=MyListBox, Path=SelectedItems}" /> </i:EventTrigger> </i:Interaction.Triggers> </ListBox> Next. ViewModel Make a team:public Command<IList> SelectedItemChangedCommand { get; set; } As parameters Action'a This team will, as such, be assignedSelectedItemChangedCommand = new Command<IList>(items => { foreach (User item in items) { } }); P.S. For work EventTrigger and InvokeCommandAction You should have a library connected. System.Windows.Interactivity♪ ♪ XAML The connection of the space is as follows:xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity" To connect to properties SelectedItems Worked in two directions, i.e., to determine this characteristic from VMfor use by the mechanism attached property♪ When used EventTrigger Not anymore.public class SelectedItemsAttachedProperty { public static IList GetSelectedItems(ListBox obj) { return (IList)obj.GetValue(SelectedItemsProperty); } public static void SetSelectedItems(ListBox obj, IList value) { obj.SetValue(SelectedItemsProperty, value); } public static readonly DependencyProperty SelectedItemsProperty = DependencyProperty.RegisterAttached( "SelectedItems", typeof(IList), typeof(SelectedItemsAttachedProperty), new PropertyMetadata(null, SelectedItemsChanged)); private static void SelectedItemsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { var lb = d as ListBox; if(lb == null) return; IList coll = e.NewValue as IList; if (coll is INotifyCollectionChanged) { (coll as INotifyCollectionChanged) .CollectionChanged += (s, collArgs) => { if (collArgs.OldItems != null) foreach (var item in collArgs.OldItems) lb.SelectedItems.Remove(item); if (null != collArgs.NewItems) foreach (var item in collArgs.NewItems) lb.SelectedItems.Add(item); }; } if (coll != null) { if (coll.Count > 0) { lb.SelectedItems.Clear(); foreach (var item in coll) lb.SelectedItems.Add(item); } lb.SelectionChanged += (s, lbArgs) => { if (null != lbArgs.RemovedItems) foreach (var item in lbArgs.RemovedItems) coll.Remove(item); if (null != lbArgs.AddedItems) foreach (var item in lbArgs.AddedItems) coll.Add(item); }; } } } XAML<ListBox Grid.Row="0" wpfApp:SelectedItemsAttachedProperty.SelectedItems="{Binding SelectedItems}" DisplayMemberPath="Name" ItemsSource="{Binding Data}" SelectionMode="Multiple" /> Then VM You can add elements to SelectedItemswhich is tied to us AttachedProperty♪
How to squeeze the List<byte></byte>
Software Programming • c sharp unity3d • • carriann

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Okay, I don't have experience with Unity3d, so I'll try to answer as I understand.If you need to pass data on a complex type, and the interface only takes a simple one, then you have to show up on the line before the transmission, and deserize after it's received.For example, the popular method of scouting is the JSON show through JSON. NET. Your code will look like:List<int> list = ...; string content = JsonConvert.SerializeObject(list); servermanager.networkview.RPC("TEST", this.networkplayer, content); On the host sidestring content = ...; List<int> list = JsonConvert.DeserializeObject<List<int>>(content); This may, however, slow down the programme compared with the binary transmission if it is supported. Try it!On the other hand, https://docs.unity3d.com/ScriptReference/NetworkView.RPC.html - obsolete API. Maybe it makes sense to move on to a new API, not to fight the problems of the old one.
What current languages used for Windows application development?
Software Programming • windows gui character • • Laycee

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Essentially all can be used from JavaScript to C, going through the ones mentioned in the question, and obviously C++, Delphi, Python and others, makes no sense to list all.Then we fall into the type of application you will use, Windows is very libertarian and allows every type, for each type there will be a more appropriate language. I'll focus on GUI.Web GUIIf you use JavaScript you can do to run on the same web, in a browser, https://pt.stackoverflow.com/q/153860/101 , https://pt.stackoverflow.com/q/426505/101 in other application or something that supports web technologies such as https://pt.stackoverflow.com/q/96279/101 . Some will say that this is to do for web and not for Windows, but if it runs on Windows is for Windows and is doing GUI.Scripts and dependentsVarious languages script can be used to do various tasks, but if you create a desktop application with GUI complicates a bit. It is not that they do not allow, but https://pt.stackoverflow.com/q/107280/101 . Some leave well to wish, like JS if it is native GUI, the PHP that has as but https://pt.stackoverflow.com/a/133375/101 , and others because it has the problem of having to send all scripts instead of sending an executable so it seems to be a concern (some even have some way Python does).For GUI Java never got along very well because it looks like a duck (walks, nothing and flies, no good), runs on all platforms but at all does not run well, but at all https://pt.stackoverflow.com/q/52644/101 .No installationIf you really want only the executable has to think of languages as https://pt.stackoverflow.com/q/80324/101 , https://pt.stackoverflow.com/q/134027/101 , Rust, Go, Delphi, and even Moon or https://pt.stackoverflow.com/q/43902/101 (I know that almost nobody uses, but it is used and I like to quote) depending on how you do.Of course it makes little sense to use C for a lot of complex GUI stuff. Go or even Rust has no usage history with GUI. Delphi owns and nowadays this is a problem, but has good GUI. C++ is not for anyone working. Each one has a problem.Qt is a widely used library and see https://en.wikipedia.org/wiki/List_of_language_bindings_for_Qt_4 for her who therefore make these languages candidates for the task described in the question. Qt is one of the most interesting, although I think she has been taking a tricky course, improved on several points, but it stagnated on another and worsened on some.Other framework used is the https://en.wikipedia.org/wiki/List_of_language_bindings_for_wxWidgets , see the list bindings.I won't list all frameworks even because some are little used, many are very poorly usable despite the language supporting it in a binding, would have to do a deep analysis on each. If you want you have one https://en.wikipedia.org/wiki/List_of_widget_toolkits (not included frameworks that run over them)..NET fits well because Microsoft makes it flagship for GUI, but even there you have difficulty choosing because we have 3 official options (Windows Forms, WPF and WinUI) and https://pt.stackoverflow.com/q/226539/101 (some work out of Windows or work over the native GUI of the platform that is running).There are some products that run on various platforms, including Windows, an example of Microsoft itself is https://pt.stackoverflow.com/q/90871/101 .Among these it is possible to use the pure Win32 API for GUI but literally no one does it, it is not something palatable and it is not even considered a real option.And .NET no longer needs to be installed on the machine to work. Actually https://pt.stackoverflow.com/q/385594/101 . So C# is one of the most used and VB.NET was considered, but it has no future. F# or other languages surrounding .NET can be used, but in practice they are not.ConclusionBut I can't help saying that language doesn't matter but the ecosystem around them, that's what will define what's interesting for this task or not, you choose the ecosystem around them. framework that will use and there sees the best language for the task.See https://pt.stackoverflow.com/q/284715/101 and https://pt.stackoverflow.com/q/136702/101 .
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Porting of websites at NET
Software Programming • html c sharp net • • rosemadder

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To get the text from the right element with JavaScript, there's a characteristic. innerText♪ The JavaScript means that, for example, the entire text of the page (not marked). That's enough. document.documentElement.innerText♪Use the library to download the page and execute the JavaScript. CefSharp, the code box for which I described in detail https://ru.stackoverflow.com/a/596363/220571 ♪ I mean, basically, when you write two to three classes, you can just do that JavaScript you need, then just move the code to the program.The call code itself will look like this (if you need a text from all the paper):var url = "http://www.opengost.ru/1016-gost-19325-73-peredachi-zubchatye-konicheskie.-terminy-opredeleniya-i-oboznacheniya.html"; string text = await wrapper.GetResultAfterPageLoad(url, async () => await wrapper.EvaluateJavascript<string>( "document.documentElement.innerText"));
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Use of one in different flows
Software Programming • c sharp sql net • • juvenalb

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The requests won't stand in line. Well, sometimes they'll stand in line, and sometimes they'll fall apart. When you use one connection, you have long and exciting nights of bagos that are reproduced according to the moon phase.OleDbConnection, like other IDbConnection classes, is not adapted to deal with it from several flows. And it's not meant to be a long, open hold. https://msdn.microsoft.com/ru-ru/library/ms254502(v=vs.110).aspx , so if you create a new OleDbConnection, if necessary, and close it immediately after the team, the number of actual open compounds will be very small. For the code above, it's 1-2. You don't have to write a potentially bucket code, frustrated with connections everywhere, potential problems in breaking the compound, and for which there is no problem.

Is there any way to add a model window to its annex for downloading files?

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