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Why can't overriding methods throw exceptions broader than the overridden method?
...ption, but SQLException does not.
This is because of polymorphism:
A a = new B();
try {
a.foo();
} catch (IOException ex) {
// forced to catch this by the compiler
}
If B had decided to throw SQLException, then the compiler could not force you to catch it, because you are referring to th...
Populating spinner directly in the layout xml
...item);
a.setAdapter(adapter);
a.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
if (a.getSelectedItem().toString().trim().equals("Kilogram")) {
...
When should I use the assets as opposed to raw resources in Android?
...
@user370305 Hi, is the 1MB limitation still there for new Android OS now? I can't find any documentation that talk about this. Do you have any idea where can I find it?
– GMsoF
Nov 22 '12 at 3:35
...
How do I download a binary file over HTTP?
...ytime.flv --output secretlylove.flv). Windows has a Powershell equivalent (new-object System.Net.WebClient).DownloadFile('http://oh.no/its/pbjellytime.flv','C:\tmp\secretlylove.flv'). Binaries for wget and curl exist for all operating system via download as well. I still highly recommend using the s...
How do I edit /etc/sudoers from a script?
...mp" ]; then
exit 1
fi
touch /etc/sudoers.tmp
edit_sudoers /tmp/sudoers.new
visudo -c -f /tmp/sudoers.new
if [ "$?" -eq "0" ]; then
cp /tmp/sudoers.new /etc/sudoers
fi
rm /etc/sudoers.tmp
share
|
...
Initialization of an ArrayList in one line
...ize the ArrayList is the method you wrote, as it does not need to create a new List in any way:
ArrayList<String> list = new ArrayList<String>();
list.add("A");
list.add("B");
list.add("C");
The catch is that there is quite a bit of typing required to refer to that list instance.
The...
Differences between .NET 4.0 and .NET 4.5 in High level in .NET
...
What is new in .NET Framework 4.5 & What's new and expected in .NET Framework 4.5:
Support for Windows Runtime
Support for Metro Style Applications
Support for Async Programming
Garbage Collector Improvements ...
In Angular, I need to search objects in an array
...
As Im new to angular and javascript, I'm not getting the meaning of '+' in "if (+input[i].id == +id) {" statement, can you please share your thoughts.
– Harshavardhan
Aug 10 '16 at 15:01
...
:: (double colon) operator in Java 8
... would call the reduce method using Math.max(int, int) as follows:
reduce(new IntBinaryOperator() {
int applyAsInt(int left, int right) {
return Math.max(left, right);
}
});
That requires a lot of syntax for just calling Math.max. That's where lambda expressions come into play. Si...
Swift how to sort array of custom objects by property value
...und my problem. Apparently the array wasn't a typed array. Anyway I have a new issue. How can I sort an array by multiple properties? Say I have 2 properties like firstName and lastName in an array of Person objects. First I want to sort it by firstName and then lastName. How I can I do this?
...