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Using try vs if in python

...er LBYL style ("look before you leap"). To me, it's a matter of efficiency and readability. In your example (say that instead of returning a list or an empty string, the function were to return a list or None), if you expect that 99 % of the time result will actually contain something iterable, I'd...
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SQLAlchemy: What's the difference between flush() and commit()?

What the difference is between flush() and commit() in SQLAlchemy? 5 Answers 5 ...
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How can I add an empty directory to a Git repository?

...esign of the git index (staging area) only permits files to be listed, and nobody competent enough to make the change to allow empty directories has cared enough about this situation to remedy it. Directories are added automatically when adding files inside them. That is, director...
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Difference between and text

... you more layout freedom over the design of the button. In all its intents and purposes, it seemed excellent at first, but various browser quirks make it hard to use at times. In your example, IE6 will send text to the server, while most other browsers will send nothing. To make it cross-browser c...
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What is the difference between “pom” type dependency with scope “import” and without “import”?

...n then reference these dependencies in the dependency section of your POM (and all of its child POMs) without having to include a version etc. However if in your POM you simply define a normal dependency to other-pom-artifact-id then all dependencies from the dependency section of the other-pom-art...
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How to play audio?

I am making a game with HTML5 and JavaScript. 19 Answers 19 ...
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Why should I use the keyword “final” on a method parameter in Java?

I can't understand where the final keyword is really handy when it is used on method parameters. 12 Answers ...
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Return empty cell from formula in Excel

...A, then. You'll iterate over the cells in your range, test the condition, and delete the contents if they match. Something like: For Each cell in SomeRange If (cell.value = SomeTest) Then cell.ClearContents Next share...
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How do I declare a 2d array in C++ using new?

... rowCount; ++i) a[i] = new int[colCount]; The above, for colCount= 5 and rowCount = 4, would produce the following: share | improve this answer | follow ...
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Could not load file or assembly 'System.Data.SQLite'

I've installed ELMAH 1.1 .Net 3.5 x64 in my ASP.NET project and now I'm getting this error (whenever I try to see any page): ...