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Published on 2010-04-23T04:47:16Z
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how do i prompt for user input in a running function?
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this is my main method that gets 3 integers from command line and I parse then in my validating method.
However I have one operation method that calls 3 other methods, but i don't know what type of data and howmany I have to put in my operatinMethod() " cuase switch only gets one); AND also in my…
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i am using PyQt but my question is a general Qt one:
I have a QTableWidget that is set up by the function updateTable. It writes the data from DATASET to the table when it is called. Unfortunately this causes my QTableWidget to emit the signal cellChanged() for every cell.
The signal cellChanged()…
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In a basic Unix-shell app, how would you print to stdout without disturbing any pending user input.
e.g. Below is a simple Python app that echos user input. A thread running in the background prints a counter every 1 second.
import threading, time
class MyThread( threading.Thread ):
running…
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I'm trying to do something like this, where I have two loops going in seperate threads. The problem I am having is that in the main thread, when I use gets and the script is waiting for user input, the other thread is stopped to wait as well.
class Server
def initialize()
@server = TCPServer…
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i am using PyQt but my question is a general Qt one:
I have a QTableWidget that is set up by the function updateTable. It writes the data from DATASET to the table when it is called. Unfortunately this causes my QTableWidget to emit the signal cellChanged() for every cell.
The signal cellChanged()…
>>> More
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i am a newbie learning sml and the question i am thrown with involves IO functions that i have no idea how it works even after reading it. Here is the 2 questions that i really need help with to get me started, please provide me with codings and some explaination, i will be able to trial and error…
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I have this below function and it works
(fn x => x * 2) 2;
but for this below one, it is not working
(fn x y => x + y ) 2 3;
can anyone tell me why? or help give me some hint to get it to work.
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hi,
i wrote a function wich works as expected but i don't understand why the output is like that.
function
datatype prop = Atom of string | Not of prop | And of prop*prop | Or of prop*prop;
(* XOR = (A And Not B) OR (Not A Or B) *)
local
fun do_xor (alpha,beta) = Or( And( alpha, Not(beta) )…
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how do i prompt for user input in a running function?
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i need help enumerating all possible combinations of length n given a list of strings.
example, if my list was ["r","b","g"] and int 2
answer:
r r,
r b,
r g,
b r,
b b,
b g,
g r,
g b,
g g,
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