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What is the difference between declarative and procedural programming paradigms?
...), rather than writing out "draw string, measure string, advance position, etc." Another example is Prolog, where a "program" is a declarative set of facts and relations/deductions, and a query. The Prolog engine figures out how to evaluate the query: you don't need to tell it how to do so. Final...
Is there still any reason to learn AWK?
...nment that can be found on virtually every *nix is sh. So while grep, sed, etc can surely replace awk on a modern mainstream linux distro, when you move to more exotic systems, knowing a little awk is going to be Real Handy.
awk can also be used for more than just text processing. For example one o...
Git SSH error: “Connect to host: Bad file number”
...
Maybe your firewall or a blocker application (PeerBlock etc.) is blocking your port
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Which is better, return “ModelAndView” or “String” on spring3 controller
...re any difference in the way Spring process it like prepending contextpath etc..
– Keerthivasan
Aug 2 '14 at 16:48
ple...
How to check if activity is in foreground or in visible background?
..., but if
your activity is already extended from MapActivity/ListActivity etc.
you still need to write the following by hand):
@Override
protected void onResume() {
super.onResume();
MyApplication.activityResumed();
}
@Override
protected void onPause() {
super.onPause();
MyApplication....
Is Javascript a Functional Programming Language?
...utability, algebraic
data types, pattern matching, partial
application etc then no, JavaScript
*is not* a functional language.
I'd encourage you to read the
following related blog posts (and also
the comments below them):
Scala is not a functional language
Erlang is...
HTML text input allow only numeric input
...is still allows to enter characters like /, multiple dots, other operators etc.
– Mahendra Liya
Mar 12 '13 at 19:36
6
...
How do I programmatically determine operating system in Java?
...ix() // and so on
}
That way, every time you ask for the Os, you do not fetch the property more than once in the lifetime of your application.
February 2016: 7+ years later:
There is a bug with Windows 10 (which did not exist at the time of the original answer).
See "Java's “os.name” for W...
How to order events bound with jQuery
...quite good as you can use event.stopPropagation(), event.preventDefault(), etc to skip handlers and cancel or un-cancel the action.
$( '#mybutton' ).click( function(e) {
// Do stuff first
} );
$( '#mybutton' ).click( function(e) {
// Do other stuff first
} );
$( document ).delegate( '#m...
How to check for a valid Base64 encoded string
... // Base64 string's length is always divisible by four, i.e. 8, 16, 20 etc.
// If it is not you can return false. Quite effective
// Further, if it meets the above criterias, then test for spaces.
// If it contains spaces, it is not base64
if (value == null || va...