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Which is better in python, del or delattr?
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..so does it follow that the love of money is premature optimization?
– John Fouhy
Jul 13 '09 at 22:47
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NOT IN vs NOT EXISTS
...mn is altered in the future to allow NULLs the NOT IN version will need to do more work (even if no NULLs are actually present in the data) and the semantics of NOT IN if NULLs are present are unlikely to be the ones you want anyway.
When neither Products.ProductID or [Order Details].ProductID allo...
Proper SCSS Asset Structure in Rails
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The problem with CSS is, you do not want to automatically add all files.
The order of which your sheets are loaded and processed by the browser is essential. So you will always end up explicitly importing all your css.
As an example, lets say you have ...
Vim: Delete buffer without losing the split window
...e]" command), it not only deletes the buffer but also removes the split window that buffer was in.
7 Answers
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Custom attributes - Yea or nay?
... a standard, I think this is the best option for custom attributes. And it doesn't require you to overload other attributes with hacks, so your HTML can stay semantic.
Source: http://www.w3.org/TR/html5/dom.html#embedding-custom-non-visible-data-with-the-data-*-attributes
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Use the XmlInclude or SoapInclude attribute to specify types that are not known statically
... So the base type needs to know all of its implementations? This doesn't seem like a very good solution. Is there no other way?
– Alexander Stolz
Jul 3 '14 at 8:10
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Execute JavaScript using Selenium WebDriver in C#
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The object, method, and property names in the .NET language bindings do not exactly correspond to those in the Java bindings. One of the principles of the project is that each language binding should "feel natural" to those comfortable coding in that language. In C#, the code you'd want for ex...
What does the [Flags] Enum Attribute mean in C#?
...olor.Red | MyColor.Green | MyColor.Blue;
Note that the [Flags] attribute doesn't enable this by itself - all it does is allow a nice representation by the .ToString() method:
enum Suits { Spades = 1, Clubs = 2, Diamonds = 4, Hearts = 8 }
[Flags] enum SuitsFlags { Spades = 1, Clubs = 2, Diamonds =...
Why does sudo change the PATH?
This is the PATH variable without sudo:
17 Answers
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What is stability in sorting algorithms and why is it important?
...qual. Stable sort will preserve the order of input, whereas unstable sort does not make that guarantee. "Correct" depends on the application. The sort function in most programming languages lets the user supply a custom ordering function. If the user's function treats different items as equal (e...