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Java naming convention for static final variables [duplicate]
...haracter.
A group of constants that represent alternative values of a set, or,
less frequently, masking bits in an integer value, are sometimes
usefully specified with a common acronym as a name prefix, as in:
interface ProcessStates {
int PS_RUNNING = 0;
int PS_SUSPENDED = 1;
}
...
Capture Image from Camera and Display in Activity
...edInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
this.imageView = (ImageView)this.findViewById(R.id.imageView1);
Button photoButton = (Button) this.findViewById(R.id.button1);
photoButton.setOnClickListener(new View.OnC...
Is “double hashing” a password less secure than just hashing it once?
...we have a Surjective function, we have no guarantee the mapping for any subset of the input won't have collisions (in fact, in practice they will).
That's what happened here! Our function was bad, but that's not why this worked (that's why it worked so quickly and so completely).
The same thing happ...
Is it possible to set the equivalent of a src attribute of an img tag in CSS?
Is it possible to set the src attribute value in CSS? At present, what I am doing is:
25 Answers
...
Merge and interleave two arrays in Ruby
...utate a, you can write a | b and assign the result to a variable.
See the set union documentation for the Array class at http://www.ruby-doc.org/core/classes/Array.html#M000275.
This answer assumes that you don't want duplicate array elements. If you want to allow duplicate elements in your final ...
How do I make a Mac Terminal pop-up/alert? Applescript?
...w is this done? Also, is it possible to make one with several buttons that sets a variable?
8 Answers
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How can I check for “undefined” in JavaScript? [duplicate]
..., "myVariable", {
get: function() { throw new Error("W00t?"); },
set: undefined
});
if (myVariable) {
// Error: W00t?
}
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How can Perl's print add a newline by default?
...n a handle, only as a static method.
See IO::Handle.
Mnemonic: you set $\ instead of adding "\n" at the end of the print. Also, it's
just like $/ , but it's what you get "back" from Perl.
example:
$\ = "\n";
print "a newline will be appended to the end of this line automatically";
...
How can I declare and use Boolean variables in a shell script?
...tents of the variable which is the Bash builtin true. Any command could be set as the value of the variable and its exit value would be evaluated.
– Paused until further notice.
Jun 2 '10 at 4:16
...
Convert Unix timestamp into human readable date using MySQL
... with phpmyadmin, it looks like it is in local time, internally it is UTC
SET time_zone = '+04:00'; // or '+00:00' to display dates in UTC or 'UTC' if time zones are installed.
SELECT last_modified, UNIX_TIMESTAMP(last_modified), from_unixtime(UNIX_TIMESTAMP(last_modified), '%Y-%c-%d %H:%i:%s'), CO...