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Why can't I have “public static const string S = ”stuff"; in my Class?
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From the C# language specification (PDF page 287 - or 300th page of the PDF):
Even though constants are considered
static members, a constant
declaration neither requires nor
allows a static modifier.
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Why does Popen.communicate() return b'hi\n' instead of 'hi'?
...of the bytes you have. If you know the encoding of the bytes you received from the subprocess, you can use decode() to convert them into a printable str:
>>> print(b'hi\n'.decode('ascii'))
hi
Of course, this specific example only works if you actually are receiving ASCII from the subpro...
Accessing an array out of bounds gives no error, why?
...ecking, there are a couple aspects to the answer:
An array is a leftover from C. C arrays are about as primitive as you can get. Just a sequence of elements with contiguous addresses. There is no bounds checking because it is simply exposing raw memory. Implementing a robust bounds-checking mechan...
How do I represent a hextile/hex grid in memory?
...ngular Grid section and the the movement section. Although it is different from what you are looking for it may help you formulate how to do what you want.
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How to enter command with password for git pull?
...or http(s):
you can put the password in .netrc file (_netrc on windows). From there it would be picked up automatically. It would go to your home folder with 600 permissions.
you could also just clone the repo with https://user:pass@domain/repo but that's not really recommended as it would show yo...
Random hash in Python
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+1 for not computing a relatively expensive hash from a random number: this approach is 5x faster.
– Nicolas Dumazet
Jun 11 '09 at 1:36
11
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When to use %r instead of %s in Python? [duplicate]
... Thanks. I was wondering why one might use the %r - but I now understand from your example above.
– Helen Neely
Jan 16 '14 at 15:49
2
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How do I shuffle an array in Swift?
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let x = [1, 2, 3].shuffled()
// x == [2, 3, 1]
let fiveStrings = stride(from: 0, through: 100, by: 5).map(String.init).shuffled()
// fiveStrings == ["20", "45", "70", "30", ...]
var numbers = [1, 2, 3, 4]
numbers.shuffle()
// numbers == [3, 2, 1, 4]
Swift 4.0 and 4.1
These extensions add a sh...
Exotic architectures the standards committees care about
...for special handling of denormals in any context other than conversions to/from other types. Too bad C's printf messed everything up.
– supercat
Apr 30 '15 at 16:32
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Proper usage of Optional.ifPresent()
...ingWithUser);
Method ifPresent() get Consumer object as a paremeter and (from JavaDoc): "If a value is present, invoke the specified consumer with the value." Value it is your variable user.
Or if this method doSomethingWithUser is in the User class and it is not static, you can use method refere...