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“Too many values to unpack” Exception
...nATupleWithThreeValues()
print a
print b
raises
Traceback (most recent call last):
File "c.py", line 3, in ?
a,b = returnATupleWithThreeValues()
ValueError: too many values to unpack
Now, the reason why this happens in your case, I don't know, but maybe this answer will point you in the r...
What are Flask Blueprints, exactly?
...he string mold in Blueprint("mold", __name__)
– Codevalley
Aug 7 '17 at 6:48
8
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How to define multiple CSS attributes in jQuery?
... 1 or more styles to change. It's more maintainable and readable.
If you really have the urge to do multiple CSS properties, then use the following:
.css({
'font-size' : '10px',
'width' : '30px',
'height' : '10px'
});
NB!
Any CSS properties with a hyphen need to be quoted.
I've placed the ...
UIBarButtonItem with custom image and no border
...ation code here
}
@end
So anywhere in your code you can create bar item calling this method (provided that you include a header with its declaration).
P.S. You do not need to use 'v' UIView as you can create UIBarButtonItem with a button as custom view directly.
P.P.S. You also need [forward rel...
Ship an application with a database
... for creating and updating databases.
One is to create a database externally, then place it in the assets folder of the project and then copy the entire database from there. This is much quicker if the database has a lot of tables and other components. Upgrades are triggered by changing the dat...
Converting String to “Character” array in Java
...Points())
map each 'character' value to Character (you need to cast to actually say that its really a char, and then Java will box it automatically to Character)
get the resulting array by calling toArray()
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Can two applications listen to the same port?
...cation listening on a single port" that's the reason why ports exist -- to allow multiple applications to share the network without conflicts.
– S.Lott
Nov 7 '09 at 19:41
48
...
What is the difference between
...mple, if you have multiline ERB <%...%>, <%#...%> comments out all of it, which it wouldn't do if it was just a normal comment (i.e. it would only comment out the line it's on).
– BalinKingOfMoria Reinstate CMs
Jan 11 '16 at 22:08
...
What is the use of “assert” in Python?
...t True # nothing happens
>>> assert False
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AssertionError
Assertions can include an optional message, and you can disable them when running the interpreter.
To print a message if the assertion fails:
ass...
What's the difference between == and .equals in Scala?
...g is actually NaN use isNaN:
Java: https://docs.oracle.com/javase/7/docs/api/java/lang/Double.html#isNaN(double)
Scala: http://www.scala-lang.org/files/archive/api/2.11.8/index.html#scala.Double@isNaN():Boolean
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