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How do I resolve configuration errors with Nant 0.91?

...click the button labelled Unblock, then click OK on the Properties window. Now, extract the file to your desired location, ensure it is on the system path, open a new command line and NAnt should run successfully. share ...
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Python memoising/deferred lookup property decorator

...tructor but only upon first read. These attributes do not change over the lifetime of the instance, but they're a real bottleneck to calculate that first time and only really accessed for special cases. Hence they can also be cached after they've been retrieved from the database (this therefore fits...
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Shared-memory objects in multiprocessing

...s giant array as input (together with some other parameters). func with different parameters can be run in parallel. For example: ...
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What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?

...s (also rows). In other words, Car → Wheel is a 1-to-many relationship. Now, let's say you need to iterate through all the cars, and for each one, print out a list of the wheels. The naive O/R implementation would do the following: SELECT * FROM Cars; And then for each Car: SELECT * FROM Wheel W...
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How can I store my users' passwords safely?

... salted hashes: add pepper If you want extra security, the security folks now (2017) recommend adding a 'pepper' to the (automatically) salted password hashes. There is a simple, drop in class that securely implements this pattern, I recommend: Netsilik/PepperedPasswords (github). It comes with...
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Two way/reverse map [duplicate]

...rd thing in python where I need to keep track of who's talking to whom, so if Alice --> Bob, then that implies that Bob --> Alice. ...
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Count characters in textarea

...why your code doesn't work if what you posted was incomplete, but without knowing that I can't know for sure. <!DOCTYPE html> <html> <head> <script src="http://code.jquery.com/jquery-1.5.js"></script> <script> function countChar(val) { var...
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How can I get the current page's full URL on a Windows/IIS server?

... $pageURL = (@$_SERVER["HTTPS"] == "on") ? "https://" : "http://"; if ($_SERVER["SERVER_PORT"] != "80") { $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"]; } else { $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"]; } return $pageURL...
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Does Python have an ordered set?

...Documentation. This runs on Py2.6 or later and 3.0 or later without any modifications. The interface is almost exactly the same as a normal set, except that initialisation should be done with a list. OrderedSet([1, 2, 3]) This is a MutableSet, so the signature for .union doesn't match that of set...
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What is a Python equivalent of PHP's var_dump()? [duplicate]

... is to do from pprint import pprint pprint(globals()) pprint(locals()) If you are running in CGI, a useful debugging feature is the cgitb module, which displays the value of local variables as part of the traceback. shar...