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How to get the seconds since epoch from the time + date output of gmtime()?
...one. Though if we ignore time instances around leap seconds; it is easy to convert it to UTC if time uses Unix epoch (1970).
– jfs
Nov 17 '13 at 17:04
44
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Visual Studio: How do I show all classes inherited from a base class?
...Resharper 9.2, on any type in source code, rt-click "Find Usage Advanced", select Find="Derived" and Scope="Solutions and Libraries".
For example, to find all inheritors (both in the library and your code) of some base class in an included DLL from any vendor, declare a variable in your code with th...
What exactly do “u” and “r” string flags do, and what are raw string literals?
...slashes are literal backslashes, not part of escape codes.
You can try to convert a Unicode string to an old string using the str() function, but if there are any unicode characters that cannot be represented in the old string, you will get an exception. You could replace them with question marks f...
How to compare arrays in JavaScript?
......" well, then you should note there ARE loops. First recursive loop that converts Array to string and second, that compares two strings. So this method is faster than use of string.
I believe that larger amounts of data should be always stored in arrays, not in objects. However if you use objects,...
Getting jQuery to recognise .change() in IE
..., in my testing this is not correct and jquery's click does trigger when i select the next radio button using arrow keys. (vista, ie7)
– svandragt
Nov 7 '08 at 13:51
1
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Confusion between factor levels and factor labels
...reatment A etc.
The factor function will look for the values a, b and c, convert them to numerical factor classes, and add the label values to the level attribute of the factor. This attribute is used to convert the internal numerical values to the correct labels. But as you see, there is no label...
Python pandas Filtering out nan from a data selection of a column of strings
... },
onDemand: true,
discardSelector: ".discard-answer"
,immediatelyShowMarkdownHelp:true,enableSnippets:true
});
}
});
...
How does Task become an int?
...e without the await - with T foo = someTaskT; you'd get "Cannot implicitly convert type Task<T> to T" - in the same way I argue that it would make more sense to have a keyword for the inverse (wrapping in Task<T>). I'm all for removing fluff but in this case I think it provides an unnece...
What is the difference between a pseudo-class and a pseudo-element in CSS?
...
The CSS 3 selector recommendation is pretty clear about both, but I'll try to show the differences anyway.
Pseudo-classes
Official description
The pseudo-class concept is introduced to permit selection based on information that l...
What does $_ mean in PowerShell?
...dItem | Add-Member -Type NoteProperty -Name Bar -Value $_.Name -PassThru | Select Bar ... Well, it can work if you have a $_ in the scope where you're executing that pipeline. But that's very different from what you usually mean when trying to write something like that.
– Joey
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