[input] Forum Topics

Sometimes you only want to enter numeric data in a textbox. You have two options here : Let a user type whatever he/she wants into a textbox, validate the input and show him or her an annoying message that he/she has done something wrong.:angry: Or: capture the key before input, …

too many new and intermediate users of C attempt to use the command [icode]fflush(stdin)[/icode] to "flush the input buffer". this is patently wrong. the rule is (and click if you don't believe me) : [URL="http://faq.cprogramming.com/cgi-bin/smartfaq.cgi?answer=1052863818&id=1043284351"]NEVER [/URL][URL="http://answers.yahoo.com/question/index?qid=20071013052534AAuxWmW"]USE [/URL][URL="http://www.gidnetwork.com/b-57.html"]"FFLUSH()"[/URL] [URL="http://www.linuxforums.org/forum/linux-programming-scripting/41287-problem-fflush-stdin-function.html"]ON [/URL][URL="http://www.it.usyd.edu.au/~dasymond/mirror/c-faq/stdio/gets_flush2.html"]INPUT [/URL][URL="http://www.cplusplus.com/forum/general/6554/"]STREAMS [/URL][URL="http://c-faq.com/stdio/stdinflush.html"]SUCH [/URL][URL="http://gcc.gnu.org/ml/gcc-help/2009-01/msg00287.html"]AS [/URL][URL="http://www.dreamincode.net/forums/showtopic45833.htm"]"STDIN" [/URL] here is one method of properly …

Here some old fashioned line input routine, better idea nowadays would be to use GUI input box with real editing. Anyway, it is quite simple with Python to do this basic routine for terminal based program.

Code will check whether the number entered is integer or not. [inlinecode]ignore[/inlinecode] extracts characters from the input sequence and discards them. The extraction ends when max characters have been extracted and discarded or when the character delim(\n) is found, whichever comes first. In the latter case, the delim character itself …

Here is exercise in error handling, while looping and for looping with itertools.chain. It is also exercise of functions not letting user to go without giving proper input. I call them to myself 'jail functions'. Here you could add as an exercise breaking out of loop and continuing until user …

Many situations arise when you have to choose between two options: true/false, male/female etc. This short snippet will only allow two chars to pass through: capital 'Y' or capital 'N'. The Read and ReadLine methods can serve also, but have the side effect you have to use Upper and Lower …

#This is for Laravel 3.*# ## Hello, ## With this snippet I'm providing a simple way to automatically filter `Input::get()` and `Input::old()`. To achieve this result we need to make few changes: * extend Input and Redirect classes by creating new files in `application/libraries/`, the files are: **input.php** and **redirect.php**; …

Gribouillis has allready posted code similar to this in his snippets, but here version for input suitable for for expressions, generators and list comprehensions. Need to add robustness by some try...except blocks for real world use.

I have seen many people struggling with Reading files and writing files in java, also a great problem is how to edit a file too. So in this code snippet I have put all these problems into one small program in hopes to help others. So this code snippet will …

One of the things that always irked me about C# is its lack of an InputBox function. In VB, You can simply do [CODE=VBNET]response = InputBox("Enter your name")[/CODE] Unfortunately, there is no C# equivalent. Sure, you can call the VB one, but doesn't that kind of defeat the purpose of …

[B]!USING PYTHON 3.1![/B] [B]USING WINDOWS[/B] I never thought it could be so simple. However I should have clarified that it's a [B]1 character[/B] input. But the general idea is the same. Someone suggested that I explain what is going on better, so I'm going to do that. The function 'getch()' …

I wrote this as reaction for Pascal newbie's question in Pascal Delphi forum.

This is for the numerous people I see constantly asking how to "pause" the console after their code runs. The explanation for how the code works is within the snippet in comments. Basically, the "cin.clear();" function will clear the input stream, getting rid of any newline characters that would have …

This is a [inlinecode]strtol[/inlinecode] version of [url=http://www.daniweb.com/code/snippet353.html] Read an Integer from the User, Part 2[/url].