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In SQL Server, when should you use GO and when should you use semi-colon ;?
...terminator. In another DBMS I have seen the ability to set the termination string. For example, you might specify that statements end with two pipe characters ||. You could then issue CREATE PROCEDURE ... much SQL ending in ; ... || and the double pipe ends the CREATE PROCEDURE statement. So my ques...
ExecuteReader requires an open and available Connection. The connection's current state is Connectin
...Promotion(int promotionID)
{
Promotion promo = null;
var connectionString = System.Configuration.ConfigurationManager.ConnectionStrings["MainConnStr"].ConnectionString;
using (SqlConnection connection = new SqlConnection(connectionString))
{
var queryString = "SELECT Promotio...
What is the difference between “text” and new String(“text”)?
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new String("text");
explicitly creates a new and referentially distinct instance of a String object; String s = "text"; may reuse an instance from the string constant pool if one is available.
You very rarely would ever want to ...
Is it possible to set a number to NaN or infinity?
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Cast from string using float():
>>> float('NaN')
nan
>>> float('Inf')
inf
>>> -float('Inf')
-inf
>>> float('Inf') == float('Inf')
True
>>> float('Inf') == 1
False
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Difference between String#equals and String#contentEquals methods
What is the difference between the String#equals method and the String#contentEquals method?
9 Answers
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Why is String immutable in Java?
I was asked in an interview why String is immutable
12 Answers
12
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Assign an initial value to radio button as checked
...he model value in the controller to "true". Watch out that you set it to a string, not a Boolean!
– Thomas David Kehoe
Feb 17 '18 at 23:40
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Difference between string object and string literal [duplicate]
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When you use a string literal the string can be interned, but when you use new String("...") you get a new string object.
In this example both string literals refer the same object:
String a = "abc";
String b = "abc";
System.out.println(...
What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]
What is meant by String Pool ? And what is the difference between the following declarations:
5 Answers
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XSD: What is the difference between xs:integer and xs:int?
...since XML is character-based, the maximum value of xs:int is the character string "2147483647"; that last bit ain't necessarily so. XSD types are used by plenty of systems, e.g. XQuery databases, where an xs:int value is more likely to be represented in a 32-bit twos-complement field than as a stri...