...ions in lieu of using exit(1). You get tracebacks, your code is reusable, etc. class Wizard: def __init__(self, argv): self.name,self.magic_ability = self.parse_arguments(argv) def parse_arguments(self, argv): assert len(argv) == 2 return argv[0],argv[1] ...

... All apps will continue to work in the vertically stretched screen from what I could tell in today's presentation. They will be letterboxed or basically the extra 88 points in height would simply be black. If you only plan to support iOS 6+, then definitely consider using Auto...

...al reduction is meant to combine two immutable values such as int, double, etc. and produce a new one; it’s an immutable reduction. In contrast, the collect method is designed to mutate a container to accumulate the result it’s supposed to produce. To illustrate the problem, let's suppose you ...

...he semi-colons --preserve-semi. Rewriting the private variables to a, b, c etc is usually safe. Another thing I do is make the minifier put a line break after each semi-colon in the code --line-break 0. Then in production if it errors I least have a valid reference line to work from and can find tha...

... Just for referencing: The documentation on self.request, self.args etc can be found in docs.djangoproject.com/en/1.10/topics/class-based-views/… – LShi Mar 17 '17 at 15:29 ...

...nts without looping through all children or avoiding to use getElementById etc. e.g. ParentNode.children.namedItem('ChildElement-ID'); // JS ref.current.children.namedItem('ChildElement-ID'); // React this.$refs.ref.children.namedItem('ChildElement-ID'); // Vue I will go with Node.childNodes: ...

...ctive-C 2.0 language features (blocks, dot syntax, synthesised properties, etc) was added to the Objective-C compiler (see the release notes for full details). Their runtime has also been updated to work almost ident

... including local variable values, source code context, function parameters etc.. For instance for this code... import cgitb cgitb.enable(format='text') def func2(a, divisor): return a / divisor def func1(a, b): c = b - 5 return func2(a, c) func1(1, 5) we get this exception output....

... forward declare several things in C++ including: struct, class, function, etc... But can you forward declare an enum in C++? No you can't. But why not allow it? If it were allowed you could define your enum type in your header file, and your enum values in your source file. Sounds like it sh...

... map javascript-friendly names names to .NET classes, format dates to json etc. Another option is ServiceStack.Text, part of the ServicStack ... stack, which provides a set of very fast serializers for Json, JSV and CSV. s...