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Nullable types and the ternary operator: why is `? 10 : null` forbidden? [duplicate]
... message.
If you change the right-hand expression to one of the following then it compiles because there is an implicit conversion between int? and null (#1) and between int and int? (#2, #3).
GetBoolValue() ? (int?)10 : null // #1
GetBoolValue() ? 10 : (int?)null // #2
GetBoolValue() ? 10 :...
Microsoft.Office.Core Reference Missing
...ssemblies) for the version of Office you are using. Once installed you can then add a reference to your project and they will be available from the add reference dialog. Here are the links to download them...
Office 2010 PIA
Office 2007 PIA
Office 2003 PIA
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How to declare and add items to an array in Python?
...not an array. If you need an array, in Python you use lists:
array = []
Then, to add items you do:
array.append('a')
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Appending an element to the end of a list in Scala
... really needs to be a list and this list really really has to be immutable then do eiher this:
(4 :: List(1,2,3).reverse).reverse
or that:
List(1,2,3) ::: List(4)
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How to create query parameters in Javascript?
...ry.param().
If I use jQuery.param() on the data in the original question, then the code is simply:
const params = jQuery.param({
var1: 'value',
var2: 'value'
});
The variable params will be
"var1=value&var2=value"
For more complicated examples, inputs and outputs, see the jQuery.p...
Append values to a set in Python
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If you have a list of sets my_sets, then you can do big_set = my_sets[0].union(*my_sets[1:]) to combine them all
– zelusp
Nov 7 '16 at 1:24
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Convert text into number in MySQL query
...ves everything up before the sixth character (i.e. the "name-" prefix) and then the CONVERT converts the left over to a real integer.
UPDATE: Given the changing circumstances in the comments (i.e. the prefix can be anything), you'll have to throw a LOCATE in the mix:
ORDER BY CONVERT(SUBSTRING(nam...
What's the difference between identifying and non-identifying relationships?
... realize how you create tables in ER and how data integrity will hold, you then throw away these examples. If you create a strong relationship between two entities, you are forcing to create a primary key in the entity table combined with PK from the other entity. If your model allows you that the s...
How do I make a composite key with SQL Server Management Studio?
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I would downvote this but then I realised the OP specifically asked for how to do it in SSMS. You should always script database changes + if you use tools like this, you'll never learn how to do the changes for yourself
– JonnyR...
Blank space at top of UITextView in iOS 10
...as fine with iOS 6 but now with iOS 7 it leaves the blank space on top and then place the text below the middle of the textview.
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