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Generic method multiple (OR) type constraint
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What I'm doing, in fact, is writing a simple error logging function. I'd like that last parameter to either be a string of info about the error, or an exception, in which case I save e.message + e.stacktrace as a string anyway.
– Mansfield
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Global variables in AngularJS
I have a problem where i'm initialising a variable on the scope in a controller. Then it gets changed in another controller when a user logs in. This variable is used to control things such as the navigation bar and restricts access to parts of the site depending on the type of user, so its importan...
Copying files from Docker container to host
I'm thinking of using Docker to build my dependencies on a Continuous Integration (CI) server, so that I don't have to install all the runtimes and libraries on the agents themselves.
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How to round an image with Glide library?
...m there :)
– Teovald
Nov 7 '14 at 9:05
Beware of using public String getId() the way it shown in code since it returns...
Are nested span tags OK in XHTML?
Will this validate in XHTML?
3 Answers
3
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Scala: Nil vs List()
...a> List(1, 2, 3).foldLeft(Nil)((x, y) => y :: x)
<console>:10: error: type mismatch;
found : List[Int]
required: scala.collection.immutable.Nil.type
List(1, 2, 3).foldLeft(Nil)((x, y) => y :: x)
^
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What is the use case of noop [:] in bash?
...o" != "1" ]
then
#echo Success
fi
Which causes bash to give a syntax error:
line 4: syntax error near unexpected token `fi'
line 4: `fi'
Bash can't have empty blocks (WTF). So you add a no-op:
if [ "$foo" != "1" ]
then
#echo Success
:
fi
or you can use the no-op to comment out...
What are some better ways to avoid the do-while(0); hack in C++?
...es something that can be solved with RAII. Maybe I should have said "issue error" or some such instead.
– Mats Petersson
Aug 29 '13 at 10:15
25
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How do you set a default value for a MySQL Datetime column?
... @GustavBertram, I am using version 5.6.22, but still I got error as follows : CREATE TABLE tbl ( InsertDate DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP, UpdateDate TIMESTAMP NULL ON UPDATE CURRENT_TIMESTAMP(6) ); Error Code: 1294. Invalid ON UPDATE clause for 'UpdateDate' column
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Django - “no module named django.core.management”
I get the following error when trying to run Django from the command line.
21 Answers
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