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A non-blocking read on a subprocess.PIPE in Python
...to read a stream without blocking regardless of operating system is to use Queue.get_nowait():
import sys
from subprocess import PIPE, Popen
from threading import Thread
try:
from queue import Queue, Empty
except ImportError:
from Queue import Queue, Empty # python 2.x
ON_POSIX = 'posix...
HTTP status code for update and delete?
What status code should I set for UPDATE ( PUT ) and DELETE (e.g. product successfully updated)?
9 Answers
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How to copy a directory structure but only include certain files (using windows batch files)
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You don't mention if it has to be batch only, but if you can use ROBOCOPY, try this:
ROBOCOPY C:\Source C:\Destination data.zip info.txt /E
EDIT: Changed the /S parameter to /E to include empty folders.
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The bare minimum needed to write a MSMQ sample application
...of how to use MSMQ in C# and even one full chapter of a book about Message Queue...But for a quick test all I need is to cover is this scenario, not even in a perfect way, just for a quick demo:
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Stack smashing detected
...e6)[0xc16b56]
./a.out[0x8048411]
======= Memory map: ========
007d9000-007f5000 r-xp 00000000 08:06 5776 /lib/libgcc_s.so.1
007f5000-007f6000 r--p 0001b000 08:06 5776 /lib/libgcc_s.so.1
007f6000-007f7000 rw-p 0001c000 08:06 5776 /lib/libgcc_s.so.1
0090a000-0090b000 r-xp 00000000 00...
Get Folder Size from Windows Command Line
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You can just add up sizes recursively (the following is a batch file):
@echo off
set size=0
for /r %%x in (folder\*) do set /a size+=%%~zx
echo %size% Bytes
However, this has several problems because cmd is limited to 32-bit signed integer arithmetic. So it will get sizes above 2 G...
Can Maven be made less verbose?
...only want the Downloading/Downloaded messages to go away, use -B to enable batch mode (you should have that in your CI system anyways!), and then set MAVEN_OPTS="-Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn" to kill the progress information for the downl...
Multiprocessing: How to use Pool.map on a function defined in a class?
...rmap(f, X, nprocs=multiprocessing.cpu_count()):
q_in = multiprocessing.Queue(1)
q_out = multiprocessing.Queue()
proc = [multiprocessing.Process(target=fun, args=(f, q_in, q_out))
for _ in range(nprocs)]
for p in proc:
p.daemon = True
p.start()
sent =...
Impossible to Install PG gem on my mac with Mavericks
I'm trying to install the pg gem in order to work again with my rails projects. But I get this error:
26 Answers
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Batch not-equal (inequality) operator
...diately think of a circumstance in which the evaluation of operations in a batch file would cause an issue or unexpected behavior when applying the IF NOT == comparison method to strings.
I wish I could offer insight into how the two functions behave differently on a lower level - would disassembli...