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MySQL combine two columns into one column
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i am using sql server 2005 and it is giving me error as Incorrect syntax near ')'.
– hud
Dec 29 '15 at 7:37
5
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Numpy - add row to array
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edited Mar 15 at 19:34
Andrea Araldo
74688 silver badges1414 bronze badges
answered Oct 7 '10 at 12:14
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jQuery ui dialog change title after load-callback
... So in the callback-function after load i should suggest, but i've tried and googled without result.
5 Answers
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How can I order a List?
...annot be changed. The requirements are very specifically to sort a List. And the cost associated with this answer is non-trivial and also needless. It literally gains nothing. It adds complexity to the code, it is less concise, it's less efficient, there is literally nothing but disadvantages he...
Why is Attributes.IsDefined() missing overloads?
....Attribute.IsDefined(MemberInfo element, Type attributeType, bool inherit) and System.Type derives from System.Reflection.MemberInfo.
An assembly, which is the top-level container of any .NET assembly has one or more modules. Each module then contains types and types can have members such as proper...
Drop data frame columns by name
...DF) %in% drops)]
Or, alternatively, you can make a list of those to keep and refer to them by name :
keeps <- c("y", "a")
DF[keeps]
EDIT :
For those still not acquainted with the drop argument of the indexing function, if you want to keep one column as a data frame, you do:
keeps <- "y"
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How to get a one-dimensional scalar array as a doctrine dql query result?
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PHP < 5.5
You can use array_map, and since you only have on item per array, you can elegantly use
'current' as callback, instead of writing a closure.
$result = $em->createQuery("SELECT a.id FROM Auction a")->getScalarResult();
$ids = array_map('curr...
What is the most efficient way to concatenate N arrays?
...catenating more than two arrays, concat() is the way to go for convenience and likely performance.
var a = [1, 2], b = ["x", "y"], c = [true, false];
var d = a.concat(b, c);
console.log(d); // [1, 2, "x", "y", true, false];
For concatenating just two arrays, the fact that push accepts multiple ar...
Convert JSON String to JSON Object c#
... answered Apr 4 '14 at 18:42
AndreiAndrei
52.1k99 gold badges8080 silver badges101101 bronze badges
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How to add 2 buttons into the UINavigationbar on the right side without IB?
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Nice and simple! I also included the existing right button (set in IB) UIBarButtonItem *btnCurrent = self.navigationItem.rightBarButtonItem;
– Duncan
Dec 4 '13 at 10:26
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