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How to pass boolean values to a PowerShell script from a command prompt
I have to invoke a PowerShell script from a batch file. One of the arguments to the script is a boolean value:
10 Answers
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How to check if any flags of a flag combination are set?
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If you want to know if letter has any of the letters in AB you must use the AND & operator. Something like:
if ((letter & Letters.AB) != 0)
{
// Some flag (A,B or both) is enabled
}
else
{
// None of them are enabled
}
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Iterating over every two elements in a list
...lementation.
For Python 2:
from itertools import izip
def pairwise(iterable):
"s -> (s0, s1), (s2, s3), (s4, s5), ..."
a = iter(iterable)
return izip(a, a)
for x, y in pairwise(l):
print "%d + %d = %d" % (x, y, x + y)
Or, more generally:
from itertools import izip
def group...
What's wrong with overridable method calls in constructors?
... Wicket page class that sets the page title depending on the result of an abstract method.
7 Answers
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Why should I use a pointer rather than the object itself?
I'm coming from a Java background and have started working with objects in C++. But one thing that occurred to me is that people often use pointers to objects rather than the objects themselves, for example this declaration:
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Rotating a two-dimensional array in Python
...for the optimal solution I found this impressive one-liner that does the job:
7 Answers
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Script parameters in Bash
I'm trying to make a shell script which should be used like this:
5 Answers
5
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The tilde operator in C
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The ~ operator is bitwise NOT, it inverts the bits in a binary number:
NOT 011100
= 100011
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Java SafeVarargs annotation, does a standard or best practice exist?
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1) There are many examples on the Internet and on StackOverflow about the particular issue with generics and varargs. Basically, it's when you have a variable number of arguments of a type-parameter type:
<T> void foo(T... args);
In Java, varargs are a syntactic sugar that undergo...
Using comma as list separator with AngularJS
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You could do it this way:
<b ng-repeat="email in friend.email">{{email}}{{$last ? '' : ', '}}</b>
..But I like Philipp's answer :-)
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