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When I catch an exception, how do I get the type, file, and line number?
...ould be careful about unpacking sys.exc_info() into local variables, since if you get an exception in the except handler, the local vars could get kept in a circular reference and not GC'd. Best practice is to always just use slices off of sys.exc_info() instead. Or use other modules like tracebac...
iOS: How to store username/password within an app?
...only accessible to your app, there is no need to delete it when app quits (if that was your concern).
Apple provides sample code that stores, reads and deletes keychain items and here is how to use the keychain wrapper class from that sample which greatly simplifies using Keychain.
Include Securit...
How can I use MS Visual Studio for Android Development?
... Step 5 - VS android v0.95 - 22nd May 2013 Visual Studio 2012 is now fully supported.
– Maitus
May 22 '13 at 17:39
2
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How to specify different Debug/Release output directories in QMake .pro file
...and then make in the build folder for your target's chosen configuration.
If you wish to create these folders and perform the two (or more) builds in them, you'll need a top-level makefile, possibly created from a top-level project file via qmake.
It's not uncommon to have more than two build conf...
Getting Django admin url for an object
... just shows how to properly add the admin app to your app, which solved a different problem that the author had. The real answer to the actual question is below - from markmuetz
– Declan Shanaghy
Aug 19 '11 at 18:18
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Unable to import a module that is definitely installed
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maybe 2? I just don't know why it would install in the wrong place for this one library, where most others are fine.
– roy
Jan 12 '13 at 17:59
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Get IP address of visitors using Flask for Python
...emote_addr.
Code example
from flask import request
from flask import jsonify
@app.route("/get_my_ip", methods=["GET"])
def get_my_ip():
return jsonify({'ip': request.remote_addr}), 200
For more information see the Werkzeug documentation.
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Remove duplicate elements from array in Ruby
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no, the uniq! method will return nil if the array had been unique yet Ex: a = [1,2,3,4] a.uniq -> [1,2,3,4] but a.uniq! -> nil
– duykhoa
Apr 4 '13 at 8:37
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Override Python's 'in' operator?
If I am creating my own class in Python, what function should I define so as to allow the use of the 'in' operator, e.g.
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How to do a less than or equal to filter in Django queryset?
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