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Unittest setUp/tearDown for several tests
.../end of a scenario of tests? The functions setUp and tearDown are fired before/after every single test.
4 Answers
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Convert hex to binary
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For solving the left-side trailing zero problem:
my_hexdata = "1a"
scale = 16 ## equals to hexadecimal
num_of_bits = 8
bin(int(my_hexdata, scale))[2:].zfill(num_of_bits)
It will give 00011010 instead of the trimmed v...
What is the meaning of “POSIX”?
...X is a family of standards, specified by the IEEE, to clarify and make uniform the application programming interfaces (and ancillary issues, such as commandline shell utilities) provided by Unix-y operating systems. When you write your programs to rely on POSIX standards, you can be pretty sure to ...
Why do we use $rootScope.$broadcast in AngularJS?
Tried to find some basic information for AngularJS $rootScope.$broadcast , But the AngularJS documentation doesn't help much. In easy words why do we use this?
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Is there a builtin confirmation dialog in Windows Forms?
I'd like to create a simple confirm dialog saying "Please check the information and if you're sure it's correct, click OK."
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Check difference in seconds between two times
Hi all I am currently working on a project where when a certain event happens details about the event including the time that the event occurred is added into a list array.
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What does void* mean and how to use it?
...w something like void *func(void* i); , what does this void* mean here for the function name and for the variable type, respectively?
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Why doesn't C++ have a garbage collector?
...because of the merits of garbage collection first of all. My main reason for asking this is that I do know that Bjarne Stroustrup has said that C++ will have a garbage collector at some point in time.
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How to close current tab in a browser window?
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Note: the current tab is implied. This is equivalent:
window.close();
or you can specify a different window.
So:
function close_window() {
if (confirm("Close Window?")) {
close();
}
}
with HTML:
<a href="javascript:close_window();">close</a>
or:
<a href="#" onclic...
Why can't you modify the data returned by a Mongoose Query (ex: findById)
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For cases like this where you want a plain JS object instead of a full model instance, you can call lean() on the query chain like so:
Survey.findById(req.params.id).lean().exec(function(err, data){
var len = data.survey_...