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How to make an immutable object in Python?
...ots__:
class A(object):
__slots__ = []
Instances of A are immutable now, since you can't set any attributes on them.
If you want the class instances to contain data, you can combine this with deriving from tuple:
from operator import itemgetter
class Point(tuple):
__slots__ = []
def...
Unique Key constraints for multiple columns in Entity Framework
...
With Entity Framework 6.1, you can now do this:
[Index("IX_FirstAndSecond", 1, IsUnique = true)]
public int FirstColumn { get; set; }
[Index("IX_FirstAndSecond", 2, IsUnique = true)]
public int SecondColumn { get; set; }
The second parameter in the attribu...
How to find all the subclasses of a class given its name?
...ginBase):
pass
class Plugin2(PluginBase):
pass
This way, if you know what you're doing, you can override the behavior of of __subclasses__ and omit/add subclasses from this list.
share
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i...
Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
...1 timeouts are different to Boost timeouts (though this should soon change now Boost.Chrono has been accepted).
Some of the names are different (e.g. boost::unique_future vs std::future)
The argument-passing semantics of std::thread are different to boost::thread --- Boost uses boost::bind, which re...
How to parse unix timestamp to time.Time
...g {
loc, _ := time.LoadLocation("America/Los_Angeles")
t := time.Now().In(loc)
return t.Format("20060102150405")
}
func GetTodaysDate() string {
loc, _ := time.LoadLocation("America/Los_Angeles")
current_time := time.Now().In(loc)
return current_time.Format("2006-01-02")
}...
Auto-fit TextView for Android
...d get it by overriding setMaxLines and store its value.i've changed it and now it works fine. also, since sometimes the text might be even too long for the smallest size, i've tried to use setEllipsize, and that worked too! i think we have a winner. please post your code here so i can mark it as the...
Multiple commands in gdb separated by some sort of delimiter ';'?
...fter the last is \n.
set logging off
Done writing to gdb.txt; that file now contains a valid GDB command script:
#gdb#
whatis a
whatis b
whatis c
#gdb#
source gdb.txt
GDB now executes commands in the script which it just generated, producing the expected results:
type = ...
“where 1=1” statement [duplicate]
...
Awesome. Now I can build my complex queries with strings rather than arrays ;). I did, however, want to verify with an EXPLAIN query whether it triggered "Using Where." Indeed, it does not.
– landons
...
Commonly accepted best practices around code organization in JavaScript [closed]
...to Systems Hungarian as a code smell and Apps Hungarian as a practise from now on :)
– jamiebarrow
Oct 13 '11 at 10:20
...
How to use ng-repeat without an html element
...
Angular has caught up, this is the proper solution now.
– iwein
Jun 23 '14 at 22:51
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