The externally observable consequences of calling a program on some input
The output of a program is the set of externally observable consequences of running a program on the given input.
A program's output can be manifested in several forms:
Questions tagged [output]
9797 questions
54
votes
4 answers
How to remove square brackets from list in Python?
LIST = ['Python','problem','whatever']
print(LIST)
When I run this program I get
[Python, problem, whatever]
Is it possible to remove that square brackets from output?
Gregor Gajič
- 643
- 1
- 5
- 6
52
votes
5 answers
Add each array element to the lines of a file in ruby
If I have an array of strings e.g.
a = ['a', 'b', 'c', 'd']
and I want to output the elements, to a file (e.g. .txt) one per line. So far I have:
File.new("test.txt", "w+")
File.open("test.txt", "w+") do |i|
i.write(a)
end
This gives me the…
edc505
- 871
- 3
- 8
- 14
50
votes
10 answers
Printing debug output to console in Codeception
Very thick question, but is there any way to print your own debug messages to the console in Codeception? I mean messages that have nothing to do with assertions, purely for debugging the tests themselves (e.g. like you would var_dump() a variable…
Ayame__
- 980
- 2
- 9
- 21
49
votes
5 answers
Create Java console inside a GUI panel
How can I create an instance of the Java console inside of a GUI panel?
raman
44
votes
2 answers
CMake: setting an environmental variable for ctest (or otherwise getting failed test output from ctest/make test automatically)
I want ctest to show me the failed tests output by default. That is, I want to run:
$ make all test
and see any output of failed tests without having to cat Testing/Temporary/LastTest.log.
It appears that there are two ways of doing this:
(1)…
Jeet
- 38,594
- 7
- 49
- 56
41
votes
9 answers
How is returning the output of a function different from printing it?
In my previous question, Andrew Jaffe writes:
In addition to all of the other hints and tips, I think you're missing something crucial: your functions actually need to return something.
When you create autoparts() or splittext(), the idea is that…
Thanx
- 7,403
- 5
- 21
- 12
41
votes
3 answers
How do I print colored text to the terminal in Rust?
How do I output colored text to the terminal using Rust? I've tried using the special escape characters that I found in this python answer, but they just print literally. Here is my code:
fn main() {
println!("\033[93mError\033[0m");
}
Sylvester Kruin
- 3,294
- 5
- 16
- 39
39
votes
3 answers
How to save the output of this awk command to file?
I wanna save this command to another text:
awk '{print $2}'
it extract's from text.
now i wanna save output too another text.
thanks
user2034825
- 393
- 1
- 3
- 4
38
votes
2 answers
C/C++ printf() before scanf() issue
I'm using Eclipse to code in C/C++ and I'm struggling with what might be something pretty easy. In my code below I use printf() and after scanf(). Althougth printf is written before scanf() the output differs. I was able to find out something about…
quapka
- 2,799
- 4
- 21
- 35
38
votes
18 answers
How to recover closed output window in netbeans?
It often happens to me that I want to clear the current output window by using the context menu, but instead of hitting the Clear entry, I accidently hit the Close entry (which is directly below Clear).
How can I get that output window back!?
Via…
radlan
- 2,393
- 4
- 33
- 53
37
votes
5 answers
What is the fastest way to output large DataFrame into a CSV file?
For python / pandas I find that df.to_csv(fname) works at a speed of ~1 mln rows per min. I can sometimes improve performance by a factor of 7 like this:
def df2csv(df,fname,myformats=[],sep=','):
"""
# function is faster than to_csv
# 7…
Lev Selector
- 3,681
- 3
- 17
- 8
34
votes
3 answers
How do I echo directly on standard output inside a shell function?
I, in my script, shell a function that prints a message on the console. It can be called from any other function.
function print_message
{
echo "message content"
}
The problem is, in shell, functions like echo or printf that usually print data…
Aracthor
- 5,757
- 6
- 31
- 59
33
votes
3 answers
Suppress output from non-PowerShell commands?
I am running a command
hg st
and then checking it's $LASTEXITCODE to check for availability of mercurial in the current directory. I do not care about its output and do not want to show it to my users.
How do I suppress ALL output, success or…
George Mauer
- 117,483
- 131
- 382
- 612
32
votes
6 answers
How can I hide skipped tasks output in Ansible
I have Ansible role, for example
---
- name: Deploy app1
include: deploy-app1.yml
when: 'deploy_project == "{{app1}}"'
- name: Deploy app2
include: deploy-app2.yml
when: 'deploy_project == "{{app2}}"'
But I deploy only one app in one role…
32cupo
- 850
- 5
- 18
- 36
32
votes
4 answers
Random forest output interpretation
I have run a random forest for my data and got the output in the form of a matrix.
What are the rules it applied to classify?
P.S. I want a profile of the customer as output,
e.g. Person from New York, works in the technology industry, etc.
How can…
user2061730
- 329
- 1
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- 3