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Disable output buffering
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# reopen stdout file descriptor with write mode
# and 0 as the buffer size (unbuffered)
import io, os, sys
try:
# Python 3, open as binary, then wrap in a TextIOWrapper with write-through.
sys.stdout = io.TextIOWrapper(open(sys.stdout.fileno(), 'wb', 0), write_throug...
Cannot install Lxml on Mac os x 10.9
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You should install or upgrade the commandline tool for xcode.
Try this in a terminal:
xcode-select --install
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Get last n lines of a file, similar to tail
I'm writing a log file viewer for a web application and for that I want to paginate through the lines of the log file. The items in the file are line based with the newest item on the bottom.
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Negation in Python
...an simply use os.mkdir() to get the result you need, with added exception handling goodness.
Example:
blues_sounds_path = "/usr/share/sounds/blues"
if not os.path.exists(blues_sounds_path):
try:
os.mkdir(blues_sounds_path)
except OSError:
# Handle the case where the directo...
GridCtrl 控件FAQ - C/C++ - 清泛网 - 专注C/C++及内核技术
...drop highlighted
GVIS_READONLY // Cell is read-only and cannot be edited
GVIS_FIXED // Cell is fixed
GVIS_FIXEDROW // Cell is part of a fixed row
GVIS_FIXEDCOL // Cell is part of a fixed column
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Exit codes in Python
...ode.
It's fairly likely that the script is never calling the exit method, and that 0 is the default exit code.
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Linux equivalent of the Mac OS X “open” command [closed]
I've found the "open" command in Mac OS X very handy in the command line. From "man open":
7 Answers
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How can I programmatically determine if my app is running in the iphone simulator?
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Watch the #if and #ifdef difference. For me it was the cause of incorrect behavior.
– Anton
Jan 9 '10 at 9:32
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How to select multiple rows filled with constants?
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I used this with SQL Server and it worked, but I had to use AS to give aliases on the first SELECT
– Sled
May 18 '17 at 18:34
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How to terminate a python subprocess launched with shell=True
I'm launching a subprocess with the following command:
12 Answers
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