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How to properly assert that an exception gets raised in pytest?
..._
def test_fails():
with pytest.raises(Exception) as e_info:
> x = 1 / 1
E Failed: DID NOT RAISE
test.py:13: Failed
___________________________________________________________________________________________ test_fails_without_info _______________________________...
JavaScript math, round to two decimal places [duplicate]
...Objects/Number/toFixed
Edit - As mentioned by others this converts the result to a string. To avoid this:
var discount = +((price / listprice).toFixed(2));
Edit 2- As also mentioned in the comments this function fails in some precision, in the case of 1.005 for example it will return 1.00 instead o...
What is the convention for word separator in Java package names?
...OK) and they suggest to replace hyphonation by an underscore ("mary-lou" -> "mary_lou") and prefix java keywords with an underscore ("com.example.enum" -> "com.example._enum")
Some more examples for upper case letters in package names can be found in chapter 6.8.1 Package Names.
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Split string based on regex
...
I suggest
l = re.compile("(?<!^)\s+(?=[A-Z])(?!.\s)").split(s)
Check this demo.
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What is the difference between string primitives and String objects in JavaScript?
...nted as immutable scalar values. Example wrapper structure:
StringObject > String (> ...) > char[]
The more far you're from the primitive, the longer it will take to get to it. In practice, String primitives are much more frequent than StringObjects, hence it is not a surprise for engine...
Showing a different background colour in Vim past 80 characters
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If you have Vim >= v7.3, you can simply add this to your .vimrc to highlight 81 and onward (so 80 is your last valid column):
let &colorcolumn=join(range(81,999),",")
If you don't see a highlight, you may not have a ColorColumn high...
“Templates can be used only with field access, property access, single-dimension array index, or sin
...h something like
@foreach (var item in Model)
{
@Html.DisplayFor(m => !item.IsIdle, "BoolIcon")
}
I solved this just by doing
@foreach (var item in Model)
{
var active = !item.IsIdle;
@Html.DisplayFor(m => active , "BoolIcon")
}
When you know the trick, it's simple.
The dif...
How can you sort an array without mutating the original array?
...en you can sort arrCopy without changing arr.
arrCopy.sort((obj1, obj2) => obj1.id > obj2.id)
Please note: this can be slow for very large arrays.
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How to make a flat list out of list of lists?
...se monoids are awesome. It's not appropriate for production Python code.
>>> sum(l, [])
[1, 2, 3, 4, 5, 6, 7, 8, 9]
This just sums the elements of iterable passed in the first argument, treating second argument as the initial value of the sum (if not given, 0 is used instead and this cas...
Unable to read data from the transport connection : An existing connection was forcibly closed by th
...g like while (Program.waitToFinishLoginAtClient == true && ajutor < 30) { Thread.Sleep(300); ajutor++; } client = this.tcpListener.AcceptTcpClient(); Program.waitToFinishLoginAtClient = true; ........... and Program.waitToFinishAtClient gets modif...