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Python Dictionary Comprehension
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There are dictionary comprehensions in Python 2.7+, but they don't work quite the way you're trying. Like a list comprehension, they create a new dictionary; you can't use them to add keys to an existing dictionary. Also, you have to specify the keys and values, althou...
How to log PostgreSQL queries?
...ian and Ubuntu GNU/Linux, this file usually resides at /etc/postgresql/$v/main/postgresql.conf, where $v is the server version. Also, on the aforementioned systems, when log_destination = 'stderr', the output is written to /var/log/postgresql/postgresql-$v-main.log, where $v is the server version (n...
How to allow to accept only image files?
... anything at all, so be sure to test your target platforms well.
For detailed browser support, see http://caniuse.com/#feat=input-file-accept
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Git: which is the default configured remote for branch?
...eady answered with a more useful answer.
– Austin Schäfer
Jul 11 '19 at 12:22
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When should iteritems() be used instead of items()?
...dict.items()) is required for what was dict.items() in Python 2.x.
Python 2.7 also has a bit of a back-port for key handling, in that you have viewkeys, viewitems and viewvalues methods, the most useful being viewkeys which behaves more like a set (which you'd expect from a dict).
Simple example:
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Getting SyntaxError for print with keyword argument end=' '
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In python 2.7 here is how you do it
mantra = 'Always look on the bright side of life'
for c in mantra: print c,
#output
A l w a y s l o o k o n t h e b r i g h t s i d e o f l i f e
In python 3.x
myjob= 'hacker'
for...
How to dump a dict to a json file?
...d thing to remember here is that unless you use an OrderedDict (python >2.7) there is no guarantee that keys are ordered in any particular manner
– ford prefect
Aug 1 '17 at 18:08
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Cannot install node modules that require compilation on Windows 7 x64/VS2012
...re required to compile popular native modules. It will also install Python 2.7, configuring your machine and npm appropriately.
Update v2:
node-gyp updated their readme to include HOW-TO for windows
Original:
No need for the entire visual studio, you can download just the build tools
Microsof...
Duplicate log output when using Python logging module
...ndler(handler)
return logger
made the trick for me
using python 2.7
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HTML5 Email Validation
It is said "With HTML5, we need no more js or a server side code to check if the user's input is a valid email or url address"
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