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Get all object attributes in Python? [duplicate]
...ed to show interesting attributes, rather than strictly all; for instance it doesn't show attributes inherited through a metaclass, or it may be overridden with a __dir__ method.
– SingleNegationElimination
Jul 30 '11 at 23:11
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Vim: insert the same characters across multiple lines
Sometimes I want to edit a certain visual block of text across multiple lines.
12 Answers
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What Makes a Method Thread-safe? What are the rules?
...ethod thread-safe? I understand that there are probably a million one-off situations, but what about in general? Is it this simple?
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Automatic Retina images for web sites
With the new Apple MacBook Pro with retina display, if you provide a "standard" image on your website, it'll be a little fuzzy. So you have to provide a retina image.
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An existing connection was forcibly closed by the remote host
I am working with a commercial application which is throwing a SocketException with the message,
11 Answers
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Open terminal here in Mac OS finder [closed]
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As of Mac OS X Lion 10.7, Terminal includes exactly this functionality as a Service. As with most Services, these are disabled by default, so you'll need to enable this to make it appear in the Services menu.
System Preferences > Keyboard > Shortcuts > Services
Enable New Term...
Using python's eval() vs. ast.literal_eval()?
I have a situation with some code where eval() came up as a possible solution. Now I have never had
to use eval() before but, I have come across plenty of information about the potential
danger it can cause. That said, I'm very wary about using it.
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Generating an MD5 checksum of a file
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You can use hashlib.md5()
Note that sometimes you won't be able to fit the whole file in memory. In that case, you'll have to read chunks of 4096 bytes sequentially and feed them to the md5 method:
import hashlib
def md5(fname):
hash_md5 = hashlib.md5()
with open(fname, "rb") as f:
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Where am I? - Get country
An android mobile actually does know quite well where it is - but is there a way of retrieving the country by something like a country code?
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Check if a variable is of function type
...efficient, but the best way to check, when efficiency isn't an issue, is written on underscore's page linked by @Paul Rosania.
Inspired by underscore, the final isFunction function is as follows:
function isFunction(functionToCheck) {
return functionToCheck && {}.toString.call(functionToC...