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How to find if directory exists in Python
...hese will return false if the file/directory exists, but a read permission error also occurs.
– cowlinator
Dec 5 '18 at 0:39
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How to remove the underline for anchors(links)?
... Ωmega Δ, apparently not, and thanks to you pointing it out I found an error in the body rule overall. I have updated my answer.
– Emil Vikström
Dec 11 '13 at 10:00
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serve current directory from command line
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@Daniel - when I run your one liner on my Mac. I got this error message: uninitialized constant INT (NameError). Are you running it on a different platform? Do you know how I can avoid this? But if I write it into a file say myserver.rb then do "ruby myserver.rb", it works fine.
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Android Studio - Auto complete and other features not working
... functions or checking anything. I can still compile the project and I get errors when that happens.
24 Answers
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Android Json and null values
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}
catch(Exception ex) {
LogHelper.e("model", "Error parsing value");
return null;
}
}
and then something like this:
String mFirstName = getJsonString(jsonObject, "first_name");
would give you your string value or safely set your string variable t...
Convert blob to base64
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success: function(data) { if(data && data.Success) {}},
error: function(a,b,c){alert(c);}
});
}
Flatten list of lists [duplicate]
...desirable effects if s/he wants to use it to flatten multiple elements (no error, just silently return the first...)
– estani
Oct 19 '12 at 14:03
add a comment
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How to apply multiple styles in WPF
...ed number of constructor parameters, so this approach results in a compile error. If I knew in advance how many styles I wanted to merge, I could have used the same XAML syntax with a constructor taking the desired number of strings:
public MultiStyleExtension(string inputResourceKey1, string input...
Bundler: Command not found
...wing some tutorials. If I run bundle check or bundle install I get the error '-bash: bundle: command not found'. From gem list --local I see 'bundler (1.0.2, 1.0.0)' is installed.
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Why can't R's ifelse statements return vectors?
...would have been helpful: if_else is more strict than ifelse, and throws an error for your case:
library(dplyr)
if_else(TRUE,c(1,2),c(3,4))
#> `true` must be length 1 (length of `condition`), not 2
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