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How can I pass a constant value for 1 binding in multi-binding?

...> <TextBlock.Resources> <sys:Int32 x:Key="fixedValue">123</sys:Int32> </TextBlock.Resources> <TextBlock.Text> <MultiBinding Converter="{StaticResource myConverter}"> <Binding Path="myFirst.Value" /> <Binding Source="{StaticRes...
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Removing all non-numeric characters from string in Python

... this is the most efficient way, but: >>> ''.join(c for c in "abc123def456" if c.isdigit()) '123456' The ''.join part means to combine all the resulting characters together without any characters in between. Then the rest of it is a list comprehension, where (as you can probably guess) ...
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An example of how to use getopts in bash

...pecify strength, either 45 or 90. h | *) # Display help. $ ./foo.sh -s 123 -p any_string Strength needs to be either 45 or 90, 123 found instead. p is any_string $ ./foo.sh -s 90 -p any_string Strength is 90. p is any_string See: Small getopts tutorial at Bash Hackers Wiki ...
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How do I verify jQuery AJAX events with Jasmine?

...est to the correct URL", function() { spyOn($, "ajax"); getProduct(123); expect($.ajax.mostRecentCall.args[0]["url"]).toEqual("/products/123"); }); function getProduct(id) { $.ajax({ type: "GET", url: "/products/" + id, contentType: "application/json; charset...
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Any way to modify Jasmine spies based on arguments?

...pi, 'get') .withArgs('abc').and.returnValue('Jane') .withArgs('123').and.returnValue(98765); }); }); For Jasmine versions earlier than 3.0 callFake is the right way to go, but you can simplify it using an object to hold the return values describe('my fn', function() { var params ...
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Why doesn't JUnit provide assertNotEquals methods?

... 'not equals' cases. int status = doSomething() ; // expected to return 123 assertTrue("doSomething() returned unexpected status", status != 123 ) ; share | improve this answer | ...
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partial string formatting

...n't 100% control. Imagine: "{foo} {{bar}}".format(foo="{bar}").format(bar="123") from the other examples. I would expect "{bar} 123" but they output "123 123". – Benjamin Manns Sep 21 '18 at 13:53 ...
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What are copy elision and return value optimization?

... when the two objects would have been destroyed without the optimization.123 This elision of copy/move operations, called copy elision, is permitted in the following circumstances (which may be combined to eliminate multiple copies): — in a return statement in a function with a class re...
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Test whether string is a valid integer

...of "+" (e.g. +30) which obviously is an integer. Results: $ int_check.sh 123 123 is an integer !! $ int_check.sh 123+ ERROR: first parameter must be an integer. $ int_check.sh -123 -123 is an integer !! $ int_check.sh +30 +30 is an integer !! $ int_check.sh -123c ERROR: first parameter must be...
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How can I convert a string to a number in Perl?

... This is a simple solution: Example 1 my $var1 = "123abc"; print $var1 + 0; Result 123 Example 2 my $var2 = "abc123"; print $var2 + 0; Result 0 share | improve thi...