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In Python, how do you convert seconds since epoch to a `datetime` object?
...Jan. 1, 1970 while negative unix timestamps seem to work on unix-based platforms. The docs say this:
"This may raise ValueError, if the timestamp is out of the range of
values supported by the platform C gmtime() function. It’s common for
this to be restricted to years in 1970 through 2038...
What is & used for
... a standard character reference and so is an error (browsers may try to perform error recovery but you should not depend on this).
If you used a character reference for a real character (e.g. ™) then it (™) would appear in the URL instead of the string you wanted.
(Note that depending ...
Why should you use an ORM? [closed]
...od DAL templates for code generators that do not have the conceptual or performance overhead that ORM's do.
Or, if you think that you don't need to know how to write good SQL to use an ORM, again, I disagree. It might be true that from the perspective of writing single queries, relying on an ORM i...
Is there a difference between copy initialization and direct initialization?
...tion
While they look identical and are supposed to do the same, these two forms are remarkably different in certain cases. The two forms of initialization are direct and copy initialization:
T t(x);
T t = x;
There is behavior we can attribute to each of them:
Direct initialization behaves like...
Can I have an onclick effect in CSS?
...d, there is some bad news. Because a label can only be associated with one form control at a time, that means you can't just drop a button inside the <label></label> tags and call it a day. However, we can use some CSS to make the label look and behave fairly close to how an HTML button ...
What is the purpose of the Visual Studio Hosting Process?
...ery new project. I've run into strange issues when working with C++/CLI WinForms Designer, that didn't occur with this feature disabled.
– surfen
Jul 13 '12 at 11:12
...
When is memoization automatic in GHC Haskell?
...d yes, you are right about the original m1 and m2: versions of GHC that perform this kind of lifting with optimizations enabled will transform m2 into m1.
– Reid Barton
Oct 17 '10 at 15:36
...
Extension method and dynamic object
...ya's answer... extension methods aren't supported by dynamic typing in the form of extension methods, i.e. called as if they were instance methods. However, this will work:
dynamic dList = list;
Console.WriteLine(Enumerable.First(dList));
Of course, that may or may not be useful. If you could giv...
How to use the toString method in Java?
...extually represents" this object.
The result should be a concise but
informative representation that is
easy for a person to read. It is
recommended that all subclasses
override this method.
The toString method for class Object
returns a string consisting of the
name of the class...
Python argparse command line flags without arguments
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