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Why both no-cache and no-store should be used in HTTP response?
...ce is still valid then the cache can respond with its representation, thus alleviating the need for the server to resend the entire resource.
no-store is effectively the full do not cache directive and is intended to prevent storage of the representation in any form of cache whatsoever.
I say what...
How do I change the android actionbar title and icon
...
This is very simple to accomplish
If you want to change it in code, call:
setTitle("My new title");
getActionBar().setIcon(R.drawable.my_icon);
And set the values to whatever you please.
Or, in the Android manifest XML file:
<activity android:name=".MyActivity"
android:icon="@d...
How to define a function in ghci across multiple lines?
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For guards (like your example), you can just put them all on one line and it works (guards do not care about spacing)
let abs n | n >= 0 = n | otherwise = -n
If you wanted to write your function with multiple definitions that pattern match on the arguments, like this:
fac...
How to use Servlets and Ajax?
...er, last years it's more than often Asynchronous JavaScript and JSON. Basically, you let JS execute an asynchronous HTTP request and update the HTML DOM tree based on the response data.
Since it's pretty a tedious work to make it to work across all browsers (especially Internet Explorer versus othe...
SQL (MySQL) vs NoSQL (CouchDB) [closed]
...e
responsible for a lot of work that the
system takes care of automatically in
a relational database system. Similar
to what happens when you pick manual
over automatic transmission. Secondly,
NoSQL allows you to eke more
performance out of the system by
eliminating a lot of integrit...
How to flatten tree via LINQ?
...lt;T>> f
) => e.SelectMany(c => f(c).Flatten(f)).Concat(e);
Call this function like this:
IEnumerable<MyNode> tree = ....
var res = tree.Flatten(node => node.Elements);
If you would prefer flattening in pre-order rather than in post-order, switch around the sides of the Con...
When is it acceptable to call GC.Collect?
The general advise is that you should not call GC.Collect from your code, but what are the exceptions to this rule?
24 An...
How to diff a commit with its parent?
...rmed by a commit and its
parent commits exist. The r1^@ notation means all parents of r1. r1^!
includes commit r1 but excludes all of its parents.
This means that you can use 15dc8^! as a shorthand for 15dc8^..15dc8 anywhere in git where revisions are needed. For diff command the git di...
Split large string in n-size chunks in JavaScript
...spaces, it does not count in the length"? Yes, . does not match newline at all. I will update the answer so that it takes \n and \r into account.
– Vivin Paliath
Apr 17 '15 at 21:14
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When to use Mockito.verify()?
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If the contract of class A includes the fact that it calls method B of an object of type C, then you should test this by making a mock of type C, and verifying that method B has been called.
This implies that the contract of class A has sufficient detail that it talks about typ...