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Does Python have an ordered set?
...st exactly the same as a normal set, except that initialisation should be done with a list.
OrderedSet([1, 2, 3])
This is a MutableSet, so the signature for .union doesn't match that of set, but since it includes __or__ something similar can easily be added:
@staticmethod
def union(*sets):
u...
float:left; vs display:inline; vs display:inline-block; vs display:table-cell;
... get gaps appearing between elements. There are work-arounds to this, but none of them are ideal. (the best is simply to not have any spaces between the elements)
display:table-cell;
Another one where you'll have problems with browser compatibility. Older IEs won't work with this at all. But even ...
What are the differences between Abstract Factory and Factory design patterns?
...at is the most important part is left unanswered, and that is: when to use one, and when the other pattern?
– croraf
Jan 2 '14 at 23:58
13
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Can a local variable's memory be accessed outside its scope?
...situation anything can happen. The book can be there -- you got lucky. Someone else's book can be there and yours could be in the hotel's furnace. Someone could be there right when you come in, tearing your book to pieces. The hotel could have removed the table and book entirely and replaced it with...
How to iterate over rows in a DataFrame in Pandas
... the question) but does not mention this anywhere, so it isn't a very good one.
– cs95
May 28 '19 at 5:00
...
When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
...a trap or a try/catch structure to handle the terminating error.
There is one thing to note, if you set $ErrorActionPreference to "Stop" and use Write-Error it will produce a terminating error.
In the script you linked to we find this:
if ($url.Contains("http")) {
$request = [System.Net.Ht...
Odd behavior when Java converts int to byte?
...t it as an int (32 bits) you simply copy the 1 to the left 24 times.
Now, one way to read a negative two's complement number is to start with the least significant bit, move left until you find the first 1, then invert every bit afterwards. The resulting number is the positive version of that numbe...
CSS: How to position two elements on top of each other, without specifying a height?
...st of all, you really should be including the position on absolutely positioned elements or you will come across odd and confusing behavior; you probably want to add top: 0; left: 0 to the CSS for both of your absolutely positioned elements. You'll also want to have position: relative on .container_...
Ignore with CSS?
... can "hide" the br tags and they won't have an effect:
br {
display: none;
}
If you only want to hide some within a specific heading type, just make your css more specific.
h3 br {
display: none;
}
share
...
Scala: What is a TypeTag and how do I use it?
... latter checks for structural equality, which often is not what should be done because it doesn't care about things such as prefixes (like in the example).
A TypeTag is completely compiler-generated, that means that the compiler creates and fills in a TypeTag when one calls a method expecting such ...