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Best way to detect that HTML5 is not supported

The standard way to deal with situations where the browser does not support the HTML5 <canvas> tag is to embed some fallback content like: ...
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Understanding the map function

...ehensions instead: map(f, iterable) is basically equivalent to: [f(x) for x in iterable] map on its own can't do a Cartesian product, because the length of its output list is always the same as its input list. You can trivially do a Cartesian product with a list comprehension though: [(a, b) ...
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What do the following phrases mean in C++: zero-, default- and value-initialization?

...nitialization' is new with the C++ 2003 standard - it doesn't exist in the original 1998 standard (I think it might be the only difference that's more than a clarification). See Kirill V. Lyadvinsky's answer for the definitions straight from the standard. See this previous answer about the behavio...
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How do I combine two data frames?

... I believe you can use the append method bigdata = data1.append(data2, ignore_index=True) to keep their indexes just dont use the ignore_index keyword ... share | improve this answer | ...
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Maven is not working in Java 8 when Javadoc tags are incomplete

Since I use Maven I have been able to build and install in my local repository projects that have incomplete Javadoc tags (for example, a missing parameter). ...
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Alter table add multiple columns ms sql

... Also check your commas, looks like you're missing several for the second-to-last columns being added – Philip Kelley Mar 26 '10 at 13:51 add a comment ...
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Extracting Nupkg files using command line

...the NuGet command line, by specifying a local host as part of an install. For example if your package is stored in the current directory nuget install MyPackage -Source %cd% -OutputDirectory packages will unpack it into the target directory. ...
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Java Name Hiding: The Hard Way

...an cast a null to the type and then invoke the method on that (which will work, since the target object isn't involved in invocation of static methods). ((net.foo.X) null).doSomething(); This has the benefits of being side-effect free (a problem with instantiating net.foo.X), not requiring rena...
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Compiling simple Hello World program on OS X via command line

I've got a simple hello world example that I'm trying to compile on OS X, named hw.cpp : 8 Answers ...
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How to move a model between two Django apps (Django 1.7)

...ango it has started to appear that my project layout mainly my models are horrible in structure. 11 Answers ...