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What's the difference between lapply and do.call?
...last example supposed to be do.call(cbind, x) the current version gives me Error in do.call(c, x) : 'what' must be a function or character string...
– sindri_baldur
Jul 20 '17 at 20:45
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Suppressing “is never used” and “is never assigned to” warnings in C#
...do this:
Compile the code as normal, this will add some warnings to your error list in Visual Studio
Switch to the Output window, and the Build output, and hunt for the same warnings
Copy the 4-digit warning code from the relevant message, which should look like this:
C:\Dev\VS.NET\ConsoleAppl...
What would a “frozen dict” be?
...rom putting a mutable list as a value, in which case hashing will throw an error. There's nothing necessarily wrong with that, but users should be aware. Another thing: This hashing algorithm is poorly chosen, very prone to hash collisions. For example {'a':'b'} hashes the same as {'b':'a'} and {'a'...
What is the equivalent of “none” in django templates?
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{% if profile.user.first_name is None %} causes syntax error in Django template.
– Rockallite
Sep 24 '13 at 4:23
1
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Best Practices: working with long, multiline strings in PHP?
... closing EOT; there should be no spaces or tabs. otherwise you will get an error
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How can I force Powershell to return an array when a call only returns one object?
...eck the data type of the variable...
IF ($ServerIps -isnot [array])
{ <error message> }
ELSE
{ <proceed> }
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RegEx: Grabbing values between quotation marks
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With python this raises an error: sre_constants.error: cannot refer to open group
– a1an
Jun 12 '15 at 10:43
12
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Export to CSV via PHP
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There may be several reasons for errors, the simplest way to find them is to look at your apache error.log file.
– Alain Tiemblo
Dec 28 '12 at 18:01
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Android SDK installation doesn't find JDK
...nd try the back-next option first, and then try setting JAVA_HOME like the error message says, but if that doesn't work for you either, then try this:
Do as it says, set JAVA_HOME in your environment variables, but in the path use forward slashes instead of backslashes.
Seriously.
For me it faile...
MongoDB - admin user not authorized
...te on in this thread but I hope you check it out.
The reason you get that error is based on the specific role that you granted to the user, which you have gathered by now, and yes giving that user the role root will solve your problem but you must first understand what these roles do exactly before...