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How to get last key in an array?
...ement pointed to by the internal pointer
var_dump($key);
Will output :
string 'last' (length=4)
i.e. the key of the last element of my array.
After this has been done the array's internal pointer will be at the end of the array. As pointed out in the comments, you may want to run reset() on t...
Android java.lang.VerifyError?
...hat is not supported on the android SDK level you are using (for instance, String.isEmpty()).
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What does the variable $this mean in PHP?
...
$jack = new Person('Jack');
echo $jack->name;
This stores the 'Jack' string as a property of the object created.
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Change Name of Import in Java, or import two classes with the same name
...ompany.installer.implementation.ConfigurationReader {}
public abstract String getLoaderVirtualClassPath();
public static QueryServiceConfigurationReader getInstance() {
return new Implementation();
}
}
In that way you only need to specify the long
How do you list the primary key of a SQL Server table?
... and TableName.
IMHO, this solution is very generic and does not use any string literals, so it will run on any machine.
select
s.name as SchemaName,
t.name as TableName,
tc.name as ColumnName,
ic.key_ordinal as KeyOrderNr
from
sys.schemas s
inner join sys.tables t on...
How do I use the ternary operator ( ? : ) in PHP as a shorthand for “if / else”?
...
Just FYI, if $address['street2'] is an empty string. It will accept it and won't return 'Empty'. isset() != empty(). This will only work if the value is null
– AFwcxx
Jul 31 '18 at 6:41
...
Java Security: Illegal key size or default parameters?
...
import java.util.Map;
//method
public static void fixKeyLength() {
String errorString = "Failed manually overriding key-length permissions.";
int newMaxKeyLength;
try {
if ((newMaxKeyLength = Cipher.getMaxAllowedKeyLength("AES")) < 256) {
Class c = Class.forNam...
MySQL - UPDATE query based on SELECT Query
... numbered in a unit, and units are numbered in a level (identified using a string ??N), such that one can identify activities using an SKU ie L1U1A1. Those SKUs are then stored in a different table.
I identified the following to get a list of activity_id vs product_id:-
SELECT a.activity_id, w....
What does default(object); do in C#?
...om MSDN
Simple Sample code :<br>
class Foo
{
public string Bar { get; set; }
}
struct Bar
{
public int FooBar { get; set; }
public Foo BarFoo { get; set; }
}
public class AddPrinterConnection
{
public static void Main()
...
How to sort an array of integers correctly
...ay.sort((a,b)=>a.numProperty - b.numProperty); and if the property is a string you can do: objArray=objArray.sort((a,b)=>a.strProperty.localeCompare(b.strProperty)); That having been said, this question specifically asks about sorting an array of integers
– jjjjs
...
