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JdbcTemplate queryForInt/Long is deprecated in Spring 3.2.2. What should it be replaced by?
...ou can see its current implementation:
@Deprecated
public int queryForInt(String sql, Object... args) throws DataAccessException {
Number number = queryForObject(sql, args, Integer.class);
return (number != null ? number.intValue() : 0);
}
which may lead you to think that if the result se...
What is the zero for string?
...
That's "" :
var s string
fmt.Println(s=="") // prints "true"
A string cannot be nil (but a *string can).
You can simply test
if stringId=="" {
To pass a zero string in stringID, use
k := NewKey(c, "kind", "", 0, p)
From the specifica...
What are the best practices for using a GUID as a primary key, specifically regarding performance?
... every row in your table. This can be anything, really - an INT, a GUID, a string - pick what makes most sense for your scenario.
the clustering key (the column or columns that define the "clustered index" on the table) - this is a physical storage-related thing, and here, a small, stable, ever-incr...
What are the differences between WCF and ASMX web services?
...and understand for the most common web service needs). WCF adds a lot of extra complexity. While MS wants to replace ASMX with WCF, there seems to be a bit of resistance to it until MS makes the most common scenarios as simple as the old [Webmethod] way.
– mattmc3
...
Opposite of String.Split with separators (.net)
Is there a way to do the opposite of String.Split in .Net? That is, to combine all the elements of an array with a given separator.
...
Converting DateTime format using razor
...
Try:
@item.Date.ToString("dd MMM yyyy")
or you could use the [DisplayFormat] attribute on your view model:
[DisplayFormat(DataFormatString = "{0:dd MMM yyyy}")]
public DateTime Date { get; set }
and in your view simply:
@Html.DisplayFor(...
List of strings to one string
...
I would go with option A:
String.Join(String.Empty, los.ToArray());
My reasoning is because the Join method was written for that purpose. In fact if you look at Reflector, you'll see that unsafe code was used to really optimize it. The other two als...
Java generics T vs Object
...on error when I do wrong:
public class App {
public static void main(String[] args) {
String s = process("vv");
String b = process(new Object()); // Compilation error
}
public static <T> T process(T val) {
return val;
}
}
Using object I always nee...
Keyword not supported: “data source” initializing Entity Framework Context
... getting this error is because of the &quot; values in your connection string.
If you replace those with single quotes then it will work fine.
https://docs.microsoft.com/archive/blogs/rickandy/explicit-connection-string-for-ef
(Posted so others can get the fix faster than I did.)
...
Converting of Uri to String
Is it possible to convert an Uri to String and vice versa?
Because I want to get the the Uri converted into String to pass into another activity via intent.putextra() and if it's not possible can anyone suggest me a way how to pass selected Uri into another activity?
...