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Questions tagged [autoflush]

34 questions
69
votes
2 answers

Update Command-line Output, i.e. for Progress

I'd like to be able to show a progress meter in a simple PHP script on the command line. Instead of seeing Progress: 0% Progress: 1% etc... I'd like just the number to change, and replace the previous number, much like git clone does for example…
Adam
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38
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5 answers

Can you force flush output in Perl?

I have the following two lines in Perl: print "Warning: this will overwrite existing files. Continue? [y/N]: \n"; my $input = ; The problem is that the print line does not get executed before the Perl script pauses for input. That is, the…
John
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17
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3 answers

Is there a guarantee of stdout auto-flush before exit? How does it work?

Here is the code (valid C and C++) #include int main() { printf("asfd"); // LINE 1 return 0; } If in line 1 I put segfaulting expression the program would just crash without printing anything (as expected). But why is the…
sasha.sochka
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7
votes
1 answer

Django test database not auto-flushing

I have a bunch of unit test files, all of which consist of django.test.TestCase classes. Wrote myself a little shell script to uncomment/comment test file imports in my __init__.py file, so I can run tests from certain test files, based off the…
pleasedesktop
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6
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4 answers

How can I autoflush a Perl 6 filehande?

There are a couple of answers for Perl 6 back in its Parrot days and they don't seem to work currently: This is Rakudo version 2017.04.3 built on MoarVM version 2017.04-53-g66c6dda implementing Perl 6.c. The answer to Does perl6 enable…
brian d foy
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5
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2 answers

perl6/rakudo: Does perl6 enable "autoflush" by default?

#!perl6 use v6; my $message = "\nHello!\n\nSleep\nTest\n\n"; my @a = $message.split( '' ); for @a { sleep 0.3; .print; } Does perl6 enable "autoflush" by default. With perl5 without enabling "outflush" I don't get this behavior.
sid_com
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5
votes
1 answer

High memory utilization due to autoflushing log

Is it possible to have high memory utilization if autoflush_log is set to true? I have a custom production environment(staging) setup like this require Rails.root.join("config/environments/production") Calamus::Application.configure do …
usha
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5
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3 answers

What does autoflush do in socket? why do we use it?

I am working on some socket code and unable to figure out why there is autoflush used on socket. It is something like this my $sock = IO::Socket::Unix(Peer => $socketfilename , Type => SOCK_STREAM) autoflush $sock 1; Also there are places…
user966588
4
votes
2 answers

perl6/rakudo: How could I disable autoflush?

I tried this, but it didn't work: $*OUT.autoflush( 0 );
sid_com
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3
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3 answers

Why aren't buffers auto-flushed by default?

I recently had the privilege of setting $| = 1; inside my Perl script to help it talk faster with another application across a pipe. I'm curious as to why this is not the default setting. In other words, what do I lose out on if my buffer gets…
Zaid
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2
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2 answers

Java: How to configure System.out to have autoflush enabled?

I used reflection like so to print out the properties of the System.out object: System.out.println("Class: " + System.out.getClass().getName()); for (Field field : ObjectUtils.getAllFields(System.out)) { field.setAccessible(true); …
Dasmowenator
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2
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1 answer

Why is Grails Searchable Plugin causing errors on Hibernate AutoFlush?

In the Grails 1.2.5 project that I am trying to troubleshoot, we use the Grails Searchable plugin .5.5.1. The problem is that whenever we attempt to index large sets domain classes, Grails keeps throwing: ERROR hibernate.AssertionFailure - an …
Mark Rogers
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2
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2 answers

System.out.print output to console seen immediately. So PrintStream flushes after each print, not only println?

From the PrintStream documentation: Optionally, a PrintStream can be created so as to flush automatically; this means that the flush method is automatically invoked after a byte array is written, one of the println methods is invoked, or a…
LrnBoy
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2
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1 answer

Hibernate does create new entry instead of update (not always)

I am facing the problem, that my DAO tries to save an existing object again, instead of update. (it creates a new one) This happens with the hibernateTemplate saveOrUpdate- and merge-method. The passed object always contains an ID (PK, auto…
Tunguska
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2
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1 answer

When should you disable JSP buffering?

Some documentation on Oracle's website (http://docs.oracle.com/cd/A97688_16/generic.903/bp/j2ee.htm, 3.1.12 Disable JSP Page Buffer If Not Used) says: If you are not using any JSP features that require buffering, you can disable it to improve…
Nick Williams
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