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How can I check for Python version in a program that uses new language features?
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You can test using eval:
try:
eval("1 if True else 2")
except SyntaxError:
# doesn't have ternary
Also, with is available in Python 2.5, just add from __future__ import with_statement.
EDIT: to get control early enough, you could split it into different .py files and check compatibility ...
Form inside a form, is that alright? [duplicate]
...ell pleases. And i guarantee there's a browser somewhere that'll throw an error. (2) This breaks all to hell if for any reason JS is disabled, the scripts don't want to load, or whatever. Maybe you don't care about that, but it is crappy design to rely on JS to fix your mess rather than creating ...
Property getters and setters
...rning:
Attempting to access 'name' from within it's own getter.
The error looks vague like this:
As an alternative you might want to use didSet. With didSet you'll get a hold to the value that is was set before and just got set to. For more see this answer.
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AngularJs ReferenceError: $http is not defined
...Angular's own documentation (docs.angularjs.org/tutorial/step_05) has this error.
– Anurag
Oct 9 '13 at 11:49
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How do I see if Wi-Fi is connected on Android?
...d to check for NULL in mWiFi ... your code here could throw a null pointer error. See developer.android.com/training/basics/network-ops/managing.html and in particular "The method getActiveNetworkInfo() returns a NetworkInfo..."
– eb80
Jun 5 '14 at 12:24
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Static constant string (class member)
...d conform, although Gnu/GCC compliles fines, other compilers will throw an error. Definition has to be in body.
– ManuelSchneid3r
Nov 16 '15 at 11:40
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Can't install RMagick 2.13.1. Can't find MagickWand.h.
When I try do install rmagick I get the following error message:
32 Answers
32
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How to find patterns across multiple lines using grep?
... to (\n|.)* and the latter is shorter. Moreover on my system, "pcre_exec() error -8" occurs when I run the longer version. So try 'abc(\n|.)*efg' instead!
– daveagp
Feb 7 '13 at 0:52
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Convert JSON String To C# Object
...lution. After all, setTest(String test) is not returning, which is compile error as well.
– Payam
Aug 18 '14 at 3:05
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How to export collection to CSV in MongoDB?
...porting to a csv. The docs are not clear on it. That is the reason for the error.
Try this:
mongoexport --host localhost --db dbname --collection name --csv --out text.csv --fields firstName,middleName,lastName
UPDATE:
This commit: https://github.com/mongodb/mongo-tools/commit/586c00ef09c32c779...