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Best way to find the intersection of multiple sets?
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delete_all vs destroy_all?
... edited May 23 '17 at 12:26
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answered Jul 14 '11 at 18:36
Sandro MundaSandro ...
What are “decorators” and how are they used?
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@JonJaques - That's a great question. I have not come across such situation. If I were to guess, the version of the service that module C sees should be the decorated one from module A but I cannot say that for sure until I try it myself. Why don't you write a simple plunkr...
How can I dynamically create derived classes from a base class
...ce = classes[name](...)
And if your design absolutely needs the names to come in scope,
just do the same, but use the dictionary returned by the globals()
call instead of an arbitrary dictionary:
name = "SpecialClass"
globals()[name] = ClassFactory(name, params)
instance = SpecialClass(...)
(I...
Joda-Time: what's the difference between Period, Interval and Duration?
...r the job rather than of relative performance. From the documentation with comments added by me in italics:
An interval in Joda-Time represents an interval of time from one millisecond instant to another instant. Both instants are fully specified instants in the datetime continuum, complete with ...
Is cout synchronized/thread-safe?
...hat cout is buffered. Even if the calls to write (or whatever it is that accomplishes that effect in that particular implementation) are guaranteed to be mutually exclusive, the buffer might be shared by the different threads. This will quickly lead to corruption of the internal state of the stream....
What is this crazy C++11 syntax ==> struct : bar {} foo {};?
... { cout << "!"; } } instance; // so much more
// Output: "!"
Let's combine the examples, and recall that we can define a UDT that has no name:
struct { virtual void f() = 0; } instance; // unnamed abstract type
// error: cannot declare variable 'instance' to be of abstract type '<anonymo...
Set margin size when converting from Markdown to PDF with pandoc
...e: March 22, 2005
geometry: margin=2cm
output: pdf_document
---
For more complex specifications to be passed to the geometry LaTeX package, string options together as you would with LaTeX:
---
title: "Habits"
author: John Doe
date: March 22, 2005
geometry: "left=3cm,right=3cm,top=2cm,bottom=2cm"
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Set operations (union, intersection) on Swift array?
... structs, you need to implement Hashable.
Thanks to Michael Stern in the comments for the Swift 2.0 update.
Thanks to Amjad Husseini in the comments for the Hashable info.
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How to use icons and symbols from “Font Awesome” on Native Android Application
...e Hashtable to re-use your icon typeface, like suggested here: code.google.com/p/android/issues/detail?id=9904#c7
– saschoar
Apr 25 '13 at 9:58
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