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Nullable vs. int? - Is there any difference?
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No difference.
int? is just shorthand for Nullable<int>, which itself is shorthand for Nullable<Int32>.
Compiled code will be exactly the same whichever one you choose to use.
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New Array from Index Range Swift
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#1. Using Array subscript with range
With Swift 5, when you write…
let newNumbers = numbers[0...position]
… newNumbers is not of type Array<Int> but is of type ArraySlice<Int>. That's because Array's subscript(_:) returns an ArraySlice<Element...
NameError: name 'self' is not defined
...rgument to None and add a test for that in code:
def p(self, b=None):
if b is None:
b = self.a
print b
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How can I combine hashes in Perl?
...%hash1 always have unique keys. I would also prefer a single line of code if possible.
4 Answers
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Decompressing GZip Stream from HTTPClient Response
...stion.
private static HttpClient client = null;
ContructorMethod()
{
if(client == null)
{
HttpClientHandler handler = new HttpClientHandler()
{
AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate
};
client = n...
How to get all of the immediate subdirectories in Python
...scandir:
list_subfolders_with_paths = [f.path for f in os.scandir(path) if f.is_dir()]
Bonus: With scandir you can also simply only get folder names by using f.name instead of f.path.
This (as well as all other functions below) will not use natural sorting. This means results will be sorted lik...
Have a reloadData for a UITableView animate when changing
...ITableView that has two modes. When we switch between the modes I have a different number of sections and cells per section. Ideally, it would do some cool animation when the table grows or shrinks.
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What's the difference between %s and %d in Python string formatting?
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This deseeves more upvote. It explains what would happen if %s is used for a number instead.
– Vikas Prasad
Sep 1 '18 at 13:41
1
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Comments in command-line Zsh
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You can also do set -k if it's just a one off. But I'd use the setopt line from this answer in my zshrc
– Hamish Downer
Aug 25 '13 at 15:08
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In Python, if I return inside a “with” block, will the file still close?
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It is also mentioned in one of the examples of PEP-343 which is the specification for the with statement:
with locked(myLock):
# Code here executes with myLock held. The lock is
# guaranteed to be released when the block is left (even
# if via return or by an uncaught exception).
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