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Convert data.frame column to a vector?
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This is particularly good to know because the df$x syntax returns a vector. I used this syntax for a long time, but when I had to start using df['name'] or df[n] to retrieve columns, I hit problems when I tried to send them to functions that expected vect...
Delete last char of string
...s searching the string. It could be removing from somewhere in the middle. Now the maintenance programmer has to examine all uses of the method, to see what was trying to be accomplished. Not a good method to call, for this simple need of removing from the end of a string. Sorry for all the critici...
How do I center text horizontally and vertically in a TextView?
...avoMaciel so, basically xml unless it needs to be modified dynamically ... Now i got it. Thanks for your simple and useful answer !
– kenju
Nov 6 '15 at 0:46
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subtract two times in python
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If you know from your domain that two datetime.time objects a and b are from the same day, and that b > a, then the operation b - a has perfect meaning.
– swalog
Feb 5 '14 at 13:51
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Changing element style attribute dynamically using JavaScript
I hav a certain style sheet for a div. Now i want to modify one attribute of div dynamically using js.
10 Answers
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IIS Express gives Access Denied error when debugging ASP.NET MVC
... this error in VS 2013 sporiadically, let's see if it helps, I'll let you know.
– Matt
Jul 21 '15 at 15:01
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jQuery: Count number of list elements?
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Try:
$("#mylist li").length
Just curious: why do you need to know the size? Can't you just use:
$("#mylist").append("<li>New list item</li>");
?
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Objective-C formatting string for boolean?
...ring* NSStringFromBOOL(BOOL aBool) {
return aBool? @"YES" : @"NO";
}
Now you are ready to go...
NSLog(@"%@", NSStringFromBOOL(BOOL_VAL));
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CORS: Cannot use wildcard in Access-Control-Allow-Origin when credentials flag is true
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Ah, now that's more convenient, however, the result's the same :( BTW, I'm using app.use(cors({credentials: true}));
– ixaxaar
Nov 2 '13 at 15:34
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Redirect From Action Filter Attribute
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My question now is why did Microsoft decide to make this filter protected there must be some reasonable explanation? I feel very dirty redefining this accessibility of RedirectToAction without understanding why it was encapsulated in the...