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Checking if sys.argv[x] is defined
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I love Python more and more, all thanks to answers like that and Stack Overflow of course! Too bad we don't have an explanation of last two lines. I believe for beginners that would be great.
– Goujon
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Saving a Numpy array as an image
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You can use PyPNG. It's a pure Python (no dependencies) open source PNG encoder/decoder and it supports writing NumPy arrays as images.
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unbound method f() must be called with fibo_ instance as first argument (got classobj instance inste
In Python, I'm trying to run a method in a class and I get an error:
8 Answers
8
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What is the standard way to add N seconds to datetime.time in Python?
Given a datetime.time value in Python, is there a standard way to add an integer number of seconds to it, so that 11:34:59 + 3 = 11:35:02 , for example?
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Delete an element from a dictionary
Is there a way to delete an item from a dictionary in Python?
15 Answers
15
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How do I get NuGet to install/update all the packages in the packages.config?
....config file and re-install them.
# read the packages.config file into an XML object
[xml]$packages = gc packages.config
# install each package
$packages.packages.package | % { Install-Package -id $($_.id) -Version $($_.version) }
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Sending “User-agent” using Requests library in Python
I want to send a value for "User-agent" while requesting a webpage using Python Requests. I am not sure is if it is okay to send this as a part of the header, as in the code below:
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Android - Start service on boot
...a complete example of an AutoStart Application
AndroidManifest file
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="pack.saltriver" android:versionCode="1" android:versionName="1.0">
<uses-permission andro...
Conditional import of modules in Python
...nd advanced version of json so we should try to import it first.
Based on python version you can try below way to import json or simplejson
import sys
if sys.version_info > (2, 7):
import simplejson as json
else:
import json
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Printing without newline (print 'a',) prints a space, how to remove?
...0):
... sys.stdout.write('a')
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aaaaaaaaaaaaaaaaaaaa>>>
Python 3 changes the print statement into a print() function, which allows you to set an end parameter. You can use it in >=2.6 by importing from __future__. I'd avoid this in any serious 2.x code though, as it will be a l...