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How to leave/exit/deactivate a Python virtualenv
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$ deactivate
which puts things back to normal.
I have just looked specifically again at the code for virtualenvwrapper, and, yes, it too supports deactivate as the way to escape from all virtualenvs.
If you are trying to leave an Anaconda environment, the command depends upon your version of c...
What does the “===” operator do in Ruby? [duplicate]
...=== b
means whatever the author of a's class wants it to mean.
However, if you don't want to confuse the heck out of your colleagues, the convention is that === is the case subsumption operator. Basically, it's a boolean operator which asks the question "If I have a drawer labelled a would it mak...
R: += (plus equals) and ++ (plus plus) equivalent from c++/c#/java, etc.?
...oncept of increment operator (as for example ++ in C). However, it is not difficult to implement one yourself, for example:
inc <- function(x)
{
eval.parent(substitute(x <- x + 1))
}
In that case you would call
x <- 10
inc(x)
However, it introduces function call overhead, so it's slo...
Is there any way in C# to override a class method with an extension method?
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@Alex by mentioning virtual I am simply clarifying what it means to be polymorphic. In virtually all uses of GetHashCode, the concrete type is unknown - so polymorphism is in play. As such, extension methods wouldn't help even if they took priority in the regular compi...
jQuery Event Keypress: Which key was pressed?
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Actually this is better:
var code = e.keyCode || e.which;
if(code == 13) { //Enter keycode
//Do something
}
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Play/pause HTML 5 video using JQuery
...of how to do this with the native DOM functions. The jQuery equivalent -- if you wanted to do this to fit in with an existing jQuery selection -- would be $('#videoId').get(0).play(). (get gets the native DOM element from the jQuery selection.)
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Strip HTML from strings in Python
...only show the contents of each HTML element and not the formatting itself. If it finds '<a href="whatever.com">some text</a>' , it will only print 'some text', '<b>hello</b>' prints 'hello', etc. How would one go about doing this?
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Difference between setTimeout with and without quotes and parentheses
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i think the setTimeout function that you write is not being run.
if you use jquery, you can make it run correctly by doing this :
function alertMsg() {
//your func
}
$(document).ready(function() {
setTimeout(alertMsg,3000);
// the function you called by ...
text-overflow:ellipsis in Firefox 4? (and FF5)
...ng a small JavaScript using jQuery:
var limit = 50;
var ellipsis = "...";
if( $('#limitedWidthTextBox').val().length > limit) {
// -4 to include the ellipsis size and also since it is an index
var trimmedText = $('#limitedWidthTextBox').val().substring(0, limit - 4);
trimmedText += ell...
Is it possible to GROUP BY multiple columns using MySQL?
...ion. At first mysql sorts by the first defined column (with GROUP BY). And if in the first defined column there are equal results, then only within the equal results sorts by the second defined column
– user2360831
Jun 15 '19 at 6:17
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