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enum - getting value of enum on string conversion
...
You could add a __str__ method to your enum, if all you wanted was to provide a custom string representation:
class D(Enum):
def __str__(self):
return str(self.value)
x = 1
y = 2
Demo:
>>> from enum import Enum
>>> class D(Enum):
... def __str__(self):...
Why is a “GRANT USAGE” created the first time I grant a user privileges?
I'm new to the admin side of DBMS and was setting up a new database tonight (using MySQL) when I noticed this. After granting a user a privilege for the first time, another grant is created that looks like
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Thread.Sleep replacement in .NET for Windows Store
...Windows Store apps embrace asynchrony - and an "asynchronous pause" is provided by Task.Delay. So within an asynchronous method, you'd write:
await Task.Delay(TimeSpan.FromSeconds(30));
... or whatever delay you want. The asynchronous method will continue 30 seconds later, but the thread will not...
How to debug stream().map(…) with lambda expressions?
...ve no problem debugging lambda expressions while using Eclipse or IntelliJ IDEA. Just set a breakpoint and be sure not to inspect the whole lambda expression (inspect only the lambda body).
Another approach is to use peek to inspect the elements of the stream:
List<Integer> naturals = Arr...
How to find event listeners on a DOM node when debugging or from the JavaScript code?
...gate directly to the line of the function's declaration in the relevant JS file.
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Why does Boolean.ToString output “True” and not “true”
...ng object
returned by the ToString() method
is to be written to an XML file, its
String.ToLower method should be
called first to convert it to
lowercase.
Here comes the fun fact #1: it doesn't return TrueString or FalseString at all. It uses hardcoded literals "True" and "False". Wouldn'...
VIM Replace word with contents of paste buffer?
I need to do a bunch of word replacements in a file and want to do it with a vi command, not an EX command such as :%s///g . I know that this is the typical way one replaces the word at the current cursor position: cw<text><esc> but is there a way to do this with the contents of the u...
What to use as an initial version? [closed]
...ut equally interesting, is that Google's initial public offering (IPO) was filed with the SEC for raising $2,718,281,828 (notice that e~2.718 281 828).
My point is: don't feel that you need to follow the crowd. Be creative and consistent.
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Scala @ operator
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It enables one to bind a matched pattern to a variable. Consider the following, for instance:
val o: Option[Int] = Some(2)
You can easily extract the content:
o match {
case Some(x) => println(x)
case None =>
}
But what if you wanted not the content of Some, but the op...
What is the maximum number of characters that nvarchar(MAX) will hold?
...Wow... so i guess i don't really need to worry about setting a max size validation rule then. I had better be carefull about when I use the nvarchar(MAX) though.
– quakkels
Nov 24 '10 at 18:17
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