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Adding information to an exception?

... %s' % arg1) IOError: Stuff happens at arg1 Update 1 Here's a slight modification that preserves the original traceback: ... def bar(arg1): try: foo() except Exception as e: import sys raise type(e), type(e)(e.message + ' happens at ...
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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...
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Change the Target Framework for all my projects in a Visual Studio Solution

...ckup settings (will create a backup by default) Start Replacing (Ctrl+R) Now If for some reason you need to do this in code, I would probably be able to do that as well (it's how I found this question). In that case, please request it in a comment. ...
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How to convert a number to string and vice versa in C++

... edited Feb 17 '15 at 17:34 KnowItAllWannabe 11k66 gold badges3838 silver badges8484 bronze badges answered Jun 18 '12 at 19:36 ...
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Preserve Line Breaks From TextArea When Writing To MySQL

... I believe UTF-8 is now the default in PHP. But of course it doesn't hurt to be explicit. – ProfileTwist Jan 9 '14 at 20:20 ...
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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...
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Calculate difference in keys contained in two Python dictionaries

...e I have two Python dictionaries - dictA and dictB . I need to find out if there are any keys which are present in dictB but not in dictA . What is the fastest way to go about it? ...
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How to get current path with query string using Capybara

...ests for a legacy application. Using current_path.should == is working for now (though I need to add a trailing forward-slash as a string). I'm thanking you in advance for code I'll likely need. – Tass Aug 19 '11 at 21:16 ...
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Random Gaussian Variables

...ution. A simple implementation: Random rand = new Random(); //reuse this if you are generating many double u1 = 1.0-rand.NextDouble(); //uniform(0,1] random doubles double u2 = 1.0-rand.NextDouble(); double randStdNormal = Math.Sqrt(-2.0 * Math.Log(u1)) * Math.Sin(2.0 * Math.PI * u2);...
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How to determine the longest increasing subsequence using dynamic programming?

...tEnd in a loop using prev[bestEnd]. The -1 value is a sign to stop. OK, now to the more efficient O(N log N) solution: Let S[pos] be defined as the smallest integer that ends an increasing sequence of length pos. Now iterate through every integer X of the input set and do the following: If X &...