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How can I get the line number which threw exception?
...
You get something similar to: System.Exception: Test at Tests.Controllers.HomeController.About() in c:\Users\MatthewB\Documents\Visual Studio 2013\Projects\Tests\Tests\Controllers\HomeController.cs:line 22
– Professor of programming
D...
How to check if type of a variable is string?
...asestring is the abstract superclass of str and unicode. It can be used to test whether an object is an instance of str or unicode.
In Python 3.x, the correct test is
isinstance(s, str)
The bytes class isn't considered a string type in Python 3.
...
ruby inheritance vs mixins
...leton class of the object:
module M
def m
puts 'm'
end
end
class Test
end
Test.extend M
Test.m
We can access the singleton class with the singleton_class method:
Test.singleton_class.ancestors
=> [#<Class:Test>, M, #<Class:Object>, ...
Ruby provides some hooks for mod...
PowerMockito mock single static method and return object
...s quite advanced feature and typically you don't need
it to write decent tests. However it can be helpful when working with
legacy systems. It is the default answer so it will be used only when
you don't stub the method call.
The default default stubbing strategy is to just return null, 0 or...
How to get the function name from within that function?
... for an anonymous function there won't be a match
}
I have not run unit tests on this, or verified implementation
differences, but in principle it should work, if not leave a comment.
Note: won't work on bound functions
Note: that caller and callee are considered deprecated.
[1] I include it he...
Length of generator output [duplicate]
...xecution (including memory consumption), will make you surprised:
```
1: test_list.py:8: 0.492 KiB
gen = (i for i in data*1000); t0 = monotonic(); len(list(gen))
('list, sec', 1.9684218849870376)
2: test_list_compr.py:8: 0.867 KiB
gen = (i for i in data*1000); t0 = monotonic(); len([i for i i...
Does static constexpr variable inside a function make sense?
...< addr_str.substr(addr_size - offset) << std::endl;
}
// here we test initialization of const variable (runtime)
void const_value(const short counter)
{
static short temp = const_short;
const short const_var = ++temp;
print_properties("const", &const_var, addr_offset);
...
Javascript Drag and drop for touch devices [closed]
...ems in that preventDefault was preventing scrolling on the ipad - I am now testing for draggable items and it works great so far.
if (event.target.id == 'draggable_item' ) {
event.preventDefault();
}
share
|
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How can I redirect HTTP requests made from an iPad?
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Another, easier way to do this is with a tool I wrote: testProxy. No configuration necessary: github.com/edwinm/testProxy
– edwin
May 11 '17 at 17:27
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The performance impact of using instanceof in Java
...t is a little faster than doing an instanceof, but the difference my quick test found was 10-20ms over 10,000,000 iterations. If "object" isn't an ObjT, though, catching the exception was over 3000x slower - over 31,000ms vs ~10ms for the instanceof.
– Steve
Fe...