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How does TransactionScope roll back transactions?
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Essentially TransactionScope doesn't track your Adapter's, what it does is it tracks database connections. When you open a DB connection the connections will looks if there is an ambient transaction (Transaction Scope) and if so enl...
Positioning a div near bottom side of another div
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IE7 was horizontally positioning the green div after the word "Outer". I've updated the code to specify "left: 0".
– RichieHindle
May 13 '09 at 14:05
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How to copy part of an array to another array in C#?
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@Hamish well, maybe. Personally I wouldn't add explicit names unless it made the code significantly clearer, and I'm not sure (in this case) that the parameter names by themselves would achieve that.
– Marc Gravell♦
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Test if a class has an attribute?
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to only check if the attribute is present, which is usually all that is needed for parameterless/propertyless attributes, it's cheaper to use .IsDefined, as it will query the metadata, and not deserialize and instantiate the attribute object.
– Lasse V. Karl...
Where do the Python unit tests go?
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For a file module.py, the unit test should normally be called test_module.py, following Pythonic naming conventions.
There are several commonly accepted places to put test_module.py:
In the same directory as module.py.
In ../tests/test_module.py (at the same level as t...
get current url in twig template?
...ttributes.get('_route_params')) %}
The app global view variable contains all sorts of useful shortcuts, such as app.session and app.security.token.user, that reference the services you might use in a controller.
share
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How do I wrap link_to around some html ruby code?
...wered Jul 6 '09 at 10:44
Barry GallagherBarry Gallagher
5,70544 gold badges2222 silver badges2828 bronze badges
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How do I get out of a screen without typing 'exit'?
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yes, you generally do have a tl;dr moment with the man command. so when you have a tl;dr when doing man command_name, in this case man screen, you can generally access a shorter & pretty helpful version of the docs by --help option, ...
Constant Amortized Time
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If you do an operation say a million times, you don't really care about the worst-case or the best-case of that operation - what you care about is how much time is taken in total when you repeat the operation a million times.
So it doesn't matter if the operation is very slow onc...
What is `git diff --patience` for?
...nly considers the longest common subsequence of the signature lines:
Find all lines which occur exactly once on both sides, then do longest common subsequence on those lines, matching them up.
When should you use patience diff? According to Bram, patience diff is good for this situation:
The re...