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Does using “new” on a struct allocate it on the heap or stack?
...eterisedCtorAssignToField() cil managed
{
.maxstack 8
L_0001: ldstr ""
L_0006: newobj instance void [mscorlib]System.Guid::.ctor(string)
L_000b: stsfld valuetype [mscorlib]System.Guid Test::field
L_0010: ret
}
.method private hidebysig static...
Checking a Python module version at runtime
...rmation for the module (usually something like module.VERSION or module.__version__ ), however some do not.
7 Answers
...
How can I multiply and divide using only bit shifting and adding?
... to decompose one of the numbers by powers of two, like so:
21 * 5 = 10101_2 * 101_2 (Initial step)
= 10101_2 * (1 * 2^2 + 0 * 2^1 + 1 * 2^0)
= 10101_2 * 2^2 + 10101_2 * 2^0
= 10101_2 << 2 + 10101_2 << 0 (Decomposed)
= 10101_2 * 4 + 10101_2 *...
What __init__ and self do on Python?
...
In this code:
class A(object):
def __init__(self):
self.x = 'Hello'
def method_a(self, foo):
print self.x + ' ' + foo
... the self variable represents the instance of the object itself. Most object-oriented languages pass this as a hidd...
How does Trello access the user's clipboard?
...urn
if document.selection?.createRange().text
return
_.defer =>
$clipboardContainer = $("#clipboard-container")
$clipboardContainer.empty().show()
$("<textarea id='clipboard'></textarea>")
.val(@value)
.appendTo($clipboardC...
Django: How to completely uninstall a Django app?
...clear docs for more information. Basically, running ./manage.py sqlclear my_app_name gets you get the SQL statements that should be executed to get rid of all traces of the app in your DB. You still need to copy and paste (or pipe) those statements into your SQL client. For Django 1.7 and up, use ./...
What do commas and spaces in multiple classes mean in CSS?
...
.container_12 .grid_6,
.container_16 .grid_8 {
width: 460px;
}
That says "make all .grid_6's within .container_12's and all .grid_8's within .container_16's 460 pixels wide." So both of the following will render the same:
<di...
Should I use 'has_key()' or 'in' on Python dicts?
...
in is definitely more pythonic.
In fact has_key() was removed in Python 3.x.
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How to join components of a path when you are constructing a URL in Python
...e os.path at run time based on the current OS.
# os.py
import sys, errno
_names = sys.builtin_module_names
if 'posix' in _names:
# ...
from posix import *
# ...
import posixpath as path
# ...
elif 'nt' in _names:
# ...
from nt import *
# ...
import ntpath as p...
Defining private module functions in python
According to http://www.faqs.org/docs/diveintopython/fileinfo_private.html :
9 Answers
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