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How to return multiple objects from a Java method?
...ect objects like this:
public class NamedObject<T> {
public final String name;
public final T object;
public NamedObject(String name, T object) {
this.name = name;
this.object = object;
}
}
Then you can easily return a List<NamedObject<WhateverTypeYouWant>>.
Al...
Check empty string in Swift?
In Objective C, one could do the following to check for strings:
14 Answers
14
...
grep a tab in UNIX
...
Doesn't work if the String contains anything other than '\t'. How would you search for "\t " (tab + space) for example?
– Raman
Apr 17 '13 at 15:05
...
How to get file creation & modification date/times in Python?
...
Keep in mind the first example gives you a string, not a datetime or number.
– gak
Jul 12 '13 at 0:53
1
...
How is the AND/OR operator represented as in Regular Expressions?
..., "part2" (answer 2) or "part1, part2" (answer 3).
I now try to match the string given by the user with the following, automatically created, regex expression:
...
java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
... while ( rs.next() ) {
System.out.println( "Name: " + rs.getString("FULL_NAME") );
}
} finally {
try { rs.close(); } catch (Exception ignore) { }
}
} finally {
try { stmt.close(); } catch (Exception ignore) { }
}
Note how the finally clause ignores any ex...
Performing Breadth First Search recursively
...tion, but I suppose I could imagine some bizarre scenario where you're not allowed any heap space for some reason [some really bad custom memory manager? some bizarre runtime/OS issues?] while you still have access to the stack...)
Breadth-first traversal traditionally uses a queue, not a stack. T...
How do I list all versions of a gem available at a remote site?
...re safe (if putting sth like that in a script or README) is to put it in a string so that we're sure we pass it 1-1, i.e. gem list '^rhc$' etc.
– mgol
Oct 2 '13 at 3:04
1
...
How to stop a PowerShell script on the first error?
...andatory=1)][scriptblock]$cmd,
[Parameter(Position=1,Mandatory=0)][string]$errorMessage = ("Error executing command {0}" -f $cmd)
)
& $cmd
if ($lastexitcode -ne 0) {
throw ("Exec: " + $errorMessage)
}
}
Try {
# Put all your stuff inside here!
# powershe...
The most sophisticated way for creating comma-separated Strings from a Collection/Array/List?
During my work with databases I noticed that I write query strings and in this strings I have to put several restrictions in the where-clause from a list/array/collection. Should look like this:
...