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Combining two expressions (Expression)
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Well, you can use Expression.AndAlso / OrElse etc to combine logical expressions, but the problem is the parameters; are you working with the same ParameterExpression in expr1 and expr2? If so, it is easier:
var body = Expression.AndAlso(expr1.Body, expr2.Body);
var lam...
Why does C++11 not support designated initializer lists as C99? [closed]
...part of this: the designer determines constructors, in-class initializers, etc.
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Why is “import *” bad?
...from bar import *
Now, if the bar module has any of the "os", "mystuff", etc... attributes, they will override the explicitly imported ones, and possibly point to very different things. Defining __all__ in bar is often wise -- this states what will implicitly be imported - but still it's hard to t...
How to convert currentTimeMillis to a date in Java?
..."real" month as we know it. Example: 0 = January, 1 = February, 2 = March, etc.
– shagberg
Dec 7 '18 at 21:21
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How to round a number to significant figures in Python
... . Doesn't protected against undefined like math.inf, or garbage like None etc
– AJP
Nov 28 '19 at 8:52
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Which comment style should I use in batch files?
... dynamic variables (e.g. %=ExitCode% %=ExitCodeAscii% %=C:% %=D:% %__CD__% etc.), what they mean, how they are set, etc..
– Kieron Hardy
Mar 7 '18 at 23:06
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Copying text with color from Notepad++
...ault Edit > Copy command provided RTF as a default for MS Word, Outlook etc.
– Jonathan Watmough
Sep 26 '16 at 14:16
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What is the function __construct used for?
...after it has been created, and is a good place to put initialisation code, etc.
class Person {
public function __construct() {
// Code called for each new Person we create
}
}
$person = new Person();
A constructor can accept parameters in the normal manner, which are passed whe...
How to get all subsets of a set? (powerset)
...sets).
def power_set(A):
"""A is an iterable (list, tuple, set, str, etc)
returns a set which is the power set of A."""
length = len(A)
l = [a for a in A]
ps = set()
for i in range(2 ** length):
selector = f'{i:0{length}b}'
subset = {l[j] for j, bit in enum...
How to see the changes between two commits without commits in-between?
...er than 'abcdef's immediate ancestor. Of course, you may get conflicts and etc, so it's not a very useful process in most cases.
If you're just interested in abcdef itself, you can do:
$ git log -u -1 abcdef
This compares abcdef to its immediate ancestor, alone, and is usually what you want.
An...