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Why would a static nested interface be used in Java?
...dundant (a nested interface is automatically "static") and can be removed with no effect on semantics; I would recommend it be removed. The same goes for "public" on interface methods and "public final" on interface fields - the modifiers are redundant and just add clutter to the source code.
Eithe...
Why does auto a=1; compile in C?
...ause local scope is the default for a variable declared inside a function, it's also the same as int a in this example.
This keyword is actually a leftover from C's predecessor B, where there were no base types: everything was int, pointer to int, array of int.(*) Declarations would be either auto ...
How to automatically remove trailing whitespace in Visual Studio 2008?
Is it possible to configure Visual Studio 2008 to automatically remove whitespace characters at the end of each line when saving a file? There doesn't seem to be a built-in option, so are there any extensions available to do this?
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How to read if a checkbox is checked in PHP?
...s:
<input type="checkbox" name="test" value="value1">
After submitting the form you can check it with:
isset($_POST['test'])
or
if ($_POST['test'] == 'value1') ...
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How do I turn off the unlimited whitespace in IntelliJ editor?
How do I remove the ability to move the cursor after then end of line in IntelliJ?
6 Answers
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Stop Chrome Caching My JS Files
I will make a change to my JS files but it won't really change in the browser, I have to rename the files every time so that it reloads it. Is there some sort of .htaccess command I can add or something to make it stop caching?
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How can I detect if the user is on localhost in PHP?
...ds, how can I tell if the person using my web application is on the server it resides on? If I remember correctly, PHPMyAdmin does something like this for security reasons.
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must appear in the GROUP BY clause or be used in an aggregate function
... this issue, you must calculate the aggregate in a sub-query and then join it with itself to get the additional columns you'd need to show:
SELECT m.cname, m.wmname, t.mx
FROM (
SELECT cname, MAX(avg) AS mx
FROM makerar
GROUP BY cname
) t JOIN makerar m ON m.cname = t.cname AND t.mx...
How to empty a list?
It seems so "dirty" emptying a list in this way:
7 Answers
7
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When is it better to use an NSSet over an NSArray?
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When the order of the items in the collection is not important, sets offer better performance for finding items in the collection.
The reason is that a set uses hash values to find items (like a dictionary) while an array has to iterate over its ...