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by: Mike Maxwell |
last post by:
When I invoke readline() in a for loop, why does it return a series of
one-char strings, rather than the full line?
>>> for sL in sys.stdin.readline(): print sL
....
abc
a
b
c
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by: Josh Wilson |
last post by:
OK, somewhat new to C, have searched the group and haven't found an
answer that has fixed my problem, so I am just going to try posting
it.
I am taking really large image files(128x128x35) and turning them into
float, short, double, etc. files, writing them to an array in sections
(so that the machine is working w/ smaller arrays), changing or
evaluating the pixel values, and them writing them out. Doing this
before, I could only find...
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by: ezra epstein |
last post by:
I'm struggling using COPY FROM.
COPY ... FROM STDIN
expects stdin to be whatever file is being processed,
so:
$ cat data_file.txt | psql -f load_script.sql MyDB
Does not do what one would expect (and hope).
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by: Thierry Loiseau |
last post by:
Hello all,
and Happy end year 2005 !
Well, I would like to obtain a list of all JavaScript var statement,
With "for...in" perharps ?
That is bellow my recent test here, but the problem is to management
theses :-((( I must to declare and use all variable with this scheme :
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by: Will McDonald |
last post by:
Hi all.
I'm writing a little script that operates on either stdin or a file
specified on the command line when run. I'm trying to handle the
situation where the script's run without any input gracefully but
can't think how to test for stdin.
I can test for a file argument on the command line using getopt and
validate its existence with os.path.exists. If it doesn't I can print
the useage.
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by: the.theorist |
last post by:
I was writing a small script the other day with the following CLI
prog *
I've used getopt to parse out the possible options, so we'll ignore
that part, and assume for the rest of the discussion that args is a
list of file names (if any provided).
I used this bit of code to detect wether i want stdinput or not.
if len(args)==0:
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by: ywzhan |
last post by:
Hi, I am new here.
When I use sys.stdin.readline() to get input string from user,
how can I set a timeout value for this operation?
thank you.
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by: Cameron Laird |
last post by:
Question:
import subprocess, StringIO
input = StringIO.StringIO("abcdefgh\nabc\n")
# I don't know of a compact, evocative, and
# cross-platform way to exhibit this behavior.
# For now, depend on cat(1).
p = subprocess.Popen(, stdout = subprocess.PIPE,
stdin = response)
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by: Luis Zarrabeitia |
last post by:
I have a problem with this piece of code:
====
import sys
for line in sys.stdin:
print "You said!", line
====
Namely, it seems that the stdin buffers the input, so there is no reply until
a huge amount of text has bin written. The iterator returned by xreadlines
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by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
|
by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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