user-input

问题 I'm trying to add a comments from user, so I just tried to read the input and send it to print it , but the problem is that the printed input disappears as soon as I refresh the page or enter another input. so I want to keep all user's appearing always even when refreshing the page or re-entering a new comment. code : <div> <input type="text" name="comments" placeholder = "Your comment goes here .. " class = "sug-box" id = "UserComment"> <button class = "send-box" onclick="go()">Add</button>

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 8 years ago . I am just getting started with using opengl in my apps and I get it fine =) but I've hit a brick wall recently as I have been attempting to work out methods of user input. I decided to start with a simple process

问题 I tried to make a android app using HTML + phonegap 2.6.0 which is support: <input type="file" /> By default, if the HTML is open via android browser itself, it will show "camera" , "gallery" , "dropbox" etc when clicking @ browse button. But if I run the HTML on app webview, file chooser is coming up which is we can choose from gallery, dropbox, music track etc except from camera. I tried to use: <input type="file" accept="image/*" /> perhaps when I run the app it will showing camera icon to

问题 In Java there's a useful class in the standard Swing libraries called 'JOptionPane' that provides a bunch of pre-made but customizable windows for displaying messages and getting (simple) user input. I know there's 'MessageBox.Show(..)' to display Yes/No/Cancel type messages to the user in C#, but is there an equivalent class (or simple library) that provides easy-to-use customizable input boxes? Something like the functionality available from JOptionPane is what I'm looking for. 回答1: As of

问题 I have searched for a simple solution that will read user input with the following features: timeout after 10 seconds, if there is no user input at all the user has infinite time to finish his answer if the first character was typed within the first 10 sec. I have found a solution to a similar request (timeout after each typed character) on Linux Read - Timeout after x seconds *idle*. Still, this is not exactly the feature, I was looking for, so I have developed a two line solution as follows

问题 Normally, install.packages(..., type = "both") requires user input if there is a package that needs to be built from source. For example (currently, with R 3.5.1), install.packages(c("feather", "tidyr"), type = "both")) will install tidyr from binary and feather from source, as long as there is a user to click "yes" when it gets to the feather install. Is there a way to automatically click yes, or not require user input through some of the options to install.packages() ? Note: install

问题 I am trying to implement the following script: A function tries to execute an asynchronous call, and if an exception is thrown then the user is prompt to input whether or not the function should run again. If the user inputs "y", then the procedure should repeat. If the user inputs "n", then the procedure should terminate. If neither, then the question should repeat. The execution of my entire script should block until either "y" or "n" are input by the user. Here is what I have so far (with

问题 Looking to time how long it takes a user to type a message in R from the first keystroke. I can use functions like readline() or scan() to get the user input, and I can use the system.time() to measure how long it takes for the code to be run: > system.time(readline()) Test Message user system elapsed 0.98 0.53 19.55 However, these give me the total elapsed time. If I wait wait 15 seconds before typing, this is reflected in the output of system.time() , and not just the time I spent to write

问题 I have a simple view hierarchy example. Obviously the main view space is the primary space the user will interact with. At the bottom I have tabs that can pop up to indicate to the user where he/she is in the progression of the app. Normally, these tabs only take up the space indicated by the "Custom Tabs" rectangle at the bottom, but they can expand all the way up to fill the "Empty Space" box. In order for the tabs to still be clickable, I had to make the tab view's frame the full rectangle

问题 I am writing a JUnit test case for my Android app. The test class extends ActivityInstrumentationTestCase2 and calls sendKeys() to emulate user input for TextEdit widgets. However, all of the alphabetic keycodes (e.g. KeyEvent.KEYCODE_G ) only send lower case letters to the TextEdit . I tried sending KeyEvent.KEYCODE_SHIFT_LEFT before sending an alphabetic keycode, but that didn't seem to work. So how do I simulate the user typing an upper-case letter? Edit: I can enter upper case letters