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is vs typeof
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@[ilitirit]: they return the same result right now, but if you add a subclass later they won't
– Steven A. Lowe
Oct 8 '08 at 21:13
13
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What are “named tuples” in Python?
... is the answer you always find, it might be worth mentioning that there is now also typing.NamedTuple which allows for type hints and is especially convenient for subclassing.
– DerWeh
Dec 23 '19 at 15:55
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When should Flask.g be used?
...terns, as linked by Markus, explains some of the changes to g in 0.10:
g now lives in the application context.
Every request pushes a new application context, wiping the old one, so g can still be used to set flags per-request without change to code.
The application context is popped after teardow...
Object-orientation in C
..., you use function pointers, and optionally function pointer tables, also known as virtual tables or vtables:
struct base;
struct base_vtable
{
void (*dance)(struct base *);
void (*jump)(struct base *, int how_high);
};
struct base
{
struct base_vtable *vtable;
/* base members */
}...
What is Express.js?
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Express.js is a Node.js framework. It's the most popular framework as of now (the most starred on NPM).
.
It's built around configuration and granular simplicity of Connect middleware. Some people compare Express.js to Ruby Sinatra vs. the bulky and opinionated Ruby on Rails.
2) What is the...
.NET Global exception handler in console application
...answer and the comments in reply is to realize that this code demonstrates now to detect the exception, but not fully "handle" it as you might in a normal try/catch block where you have the option to continue. See my other answer for details. If you "handle" the exception this way, you have no opti...
Can someone explain __all__ in Python?
...t exactly hidden; they can be seen and accessed perfectly normally if you know their names. It is only in the case of an "import *", which is not recommended anyway, that the distinction carries any weight.
– Brandon Rhodes
Dec 8 '09 at 18:40
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Programming with white text on black background?
...lets the font (the writing) to project to fore and subdues the background. Now ask yourself is it dark on light that does this or light on dark? Here is the key, in that advocates who vouch for similarity with print suggesting that black outshines the white on paper, is blind to the fact that it is ...
Is VB really case insensitive?
...e actual case
of the method's name and embeds it in
metadata. The CLR knows nothing about
this. Now if you are using reflection
to bind to a method, the reflection
APIs do offer the ability to do
case-insensitive lookups. This is the
extent to which the CLR offers
case-insensitivity....
What is the difference between canonical name, simple name and class name in Java Class?
...n that would allow a malicious actor to work. Someone saying "oh, well we know classes will never start with lowercases/packages will never start with capitals". Granted, a malicious actor who has access to your class loader can already do terrible things, so it's probably not an absolutely terrible...