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Constantly print Subprocess output while process is running
...example showing a typical use case (thanks to @jfs for helping out):
from __future__ import print_function # Only Python 2.x
import subprocess
def execute(cmd):
popen = subprocess.Popen(cmd, stdout=subprocess.PIPE, universal_newlines=True)
for stdout_line in iter(popen.stdout.readline, "")...
Determine if variable is defined in Python [duplicate]
...()
if you want to be pedantic, you can check the builtins too
'a' in vars(__builtins__)
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Clojure: reduce vs. apply
... answered Jun 30 '10 at 21:30
G__G__
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Converting datetime.date to UTC timestamp in Python
...ase on the given platform. You could use pytz module (e.g., via tzlocal.get_localzone()) to get access to the tz database on all platforms. Also, utcfromtimestamp() may fail and mktime() may return non-POSIX timestamp if "right" timezone is used.
To convert datetime.date object that represents da...
Best way to show a loading/progress indicator?
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From the Android Developer website: STYLE_SPINNER Creates a ProgressDialog with a circular, spinning progress bar.
– Tequilaman
Dec 26 '14 at 1:15
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Mocking python function based on input arguments
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If side_effect is a function then whatever that function returns is
what calls to the mock return. The side_effect function is called with
the same arguments as the mock. This allows you to vary the return
value of the call dy...
Can I query MongoDB ObjectId by date?
...cuments created after midnight on May 25th, 1980 */
db.mycollection.find({ _id: { $gt: objectIdWithTimestamp('1980/05/25') } });
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How do I “source” something in my .vimrc file?
...t;C-]>
:set yy bbbb4dw
The only file sourced by default is the .vimrc(_vimrc on windows) so that's a place you can keep all the commands you use to set up Vim every time.
Where it gets interesting is the fact that since a sourced file is just a series of commands, and sourcing is a command, yo...
How to set up Spark on Windows?
.../docs/latest/building-spark.html
Download and install Maven, and set MAVEN_OPTS to the value specified in the guide.
But if you're just playing around with Spark, and don't actually need it to run on Windows for any other reason that your own machine is running Windows, I'd strongly suggest you in...
How to elegantly ignore some return values of a MATLAB function?
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I personally just use [junk, junk, c] = function_call() and assume both that "junk" is never an important variable and if it contains a lot of memory that I will clear it if necessary.
– Jason S
Apr 14 '09 at 13:13
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