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uint8_t vs unsigned char
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It documents your intent - you will be storing small numbers, rather than a character.
Also it looks nicer if you're using other typedefs such as uint16_t or int32_t.
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Odd behavior when Java converts int to byte?
...+ unsignedByte);
Would print out: "Signed: -1 Unsigned: 255"
What's actually happening here?
We are using bitwise AND to mask all of the extraneous sign bits (the 1's to the left of the least significant 8 bits.)
When an int is converted into a byte, Java chops-off the left-most 24 bits
111111...
Weighted random numbers
...a weighted random numbers. I'm currently just banging my head against the wall and cannot figure this out.
7 Answers
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Order of items in classes: Fields, Properties, Constructors, Methods
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Personally, I find the ordering of static methods annoying. I can see the argument for static public methods coming first, but I normally want private static methods after members. They're utilities after all.
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How to read a single character from the user?
... except ImportError:
self.impl = _GetchUnix()
def __call__(self): return self.impl()
class _GetchUnix:
def __init__(self):
import tty, sys
def __call__(self):
import sys, tty, termios
fd = sys.stdin.fileno()
old_settings = termios.tcge...
FB OpenGraph og:image not pulling images (possibly https?)
... answered a similar question sometime ago with this problem). So make sure all these things are correct.
– Syed I.R.
May 25 '14 at 20:05
3
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What is a clean, pythonic way to have multiple constructors in Python?
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Actually None is much better for "magic" values:
class Cheese():
def __init__(self, num_holes = None):
if num_holes is None:
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Now if you want complete freedom of adding more parameters:
class Cheese...
How can I get my webapp's base URL in ASP.NET MVC?
...T Core / MVC 6:
ASP.NET Core makes this process a bit more painful, especially if you are deep in your code. You have 2 options to get at the HttpContext
1) Pass it in from your controller:
var model = new MyClass(HttpContext);
then in model:
private HttpContext currentContext;
public MyClass...
When do you use varargs in Java?
...lso can receive an indeterminate number of objects but a varargs parameter allows more flexibility and convenience at the point of invocation. You can write code to build an array and pass it, or you can let Java do it for you when you choose to receive it in a varargs parameter.
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How do I migrate a model out of one django app and into a new one?
... that one of these models should be in a separate app. I do have south installed for migrations, but I don't think this is something it can handle automatically. How can I migrate one of the models out of the old app into a new one?
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