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What are type lambdas in Scala and what are their benefits?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Catching an exception while using a Python 'with' statement
...'oops')
And standard boilerplate: don't use a bare except: which catches BaseException and every other possible exception and warning. Be at least as specific as Exception, and for this error, perhaps catch IOError. Only catch errors you're prepared to handle.
So in this case, you'd do:
>>...
How to create GUID / UUID?
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Here's some code based on RFC 4122, section 4.4 (Algorithms for Creating a UUID from Truly Random or Pseudo-Random Number).
function createUUID() {
// http://www.ietf.org/rfc/rfc4122.txt
var s = [];
var hexDigits = "0123456789abc...
What is the difference between Bower and npm?
...h the world, like this:
module.exports = myModule;
Then, to use a CommonJS-based workflow in the browser, you'll use tools like Browserify to grab all those individual module files, encapsulate their contents at runtime, and inject them into each other as needed.
AND, since ES6 modules (which you'll...
Dependency Inject (DI) “friendly” library
...ut sometimes you need a short-lived object, or to construct the dependency based on a value known only at run-time.
See this for more information.
Compose only at the Last Responsible Moment
Keep objects decoupled until the very end. Normally, you can wait and wire everything up in the applicatio...
How can I create a copy of an object in Python?
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Understanding slice notation
... None)] or a[::-1] is equivalent to a[slice(None, None, -1)].
While the :-based notation is very helpful for simple slicing, the explicit use of slice() objects simplifies the programmatic generation of slicing.
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C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?
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How to prevent a dialog from closing when a button is clicked
...Note: A description of how the dialog closing works under the hood for the base android classes and why the following approaches are chosen follows after the examples, for those who want more details
AlertDialog.Builder - Change default button handler immediately after show()
AlertDialog.Builder bu...
Convert a series of parent-child relationships into a hierarchical tree?
...re, that means internally no recursion function calls are done.
The event based ListDecorator allows you to modify the output specifically and to provide multiple type of lists for the same data structure. It's even possible to change the input as the array data has been encapsulated into TreeNode....