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How to make a Java class that implements one interface with two generic types?
...<Apple> {
public void consume(Apple a) { ..... }
}
}
If creating these static inner classes bothers you, you can use anonymous classes:
public class TwoTypesConsumer {
private Consumer<Tomato> tomatoConsumer = new Consumer<Tomato>() {
public void consum...
Allow user to select camera or gallery for image
... void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode == RESULT_OK) {
if (requestCode == YOUR_SELECT_PICTURE_REQUEST_CODE) {
final boolean isCamera;
if (data == null) {
isCamera = true;
} else {
...
How to detect the OS from a Bash script?
...se them between all the computers I use. The problem is I have some OS specific aliases so I was looking for a way to determine if the script is running on Mac OS X, Linux or Cygwin .
...
Average of 3 long integers
... can give a result that is off by one, namely rounded up rather than down, if negative values for the variables are allowed. For instance if x,y are positive multiples of 3, and z is -2, you get (x+y)/3 which is too much.
– Marc van Leeuwen
May 30 '14 at 15:15
...
Why is the Windows cmd.exe limited to 80 characters wide?
...ffer size (line width and scrollback) and the window size (viewport size). If you started cmd from a shortcut, you can save these settings for future sessions.
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redirect COPY of stdout to log file from within bash script itself
...&1
echo "foo"
echo "bar" >&2
Note that this is bash, not sh. If you invoke the script with sh myscript.sh, you will get an error along the lines of syntax error near unexpected token '>'.
If you are working with signal traps, you might want to use the tee -i option to avoid disrupt...
基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
..._SECRET',
OAUTH_SIG_METHOD_HMACSHA1,
OAUTH_AUTH_TYPE_FORM
);
if (empty($_GET['oauth_verifier'])) {
$callback_url = "http://{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}";
$request_token = $oauth->getRequestToken($request_token_url, $callback_url);
$_SESSION['oauth...
How do I find out if first character of a string is a number?
In Java is there a way to find out if first character of a string is a number?
5 Answers
...
How do I set the selected item in a comboBox to match my string using C#?
...
what if there are more than one "test1" value in combox1
– thoitbk
Jan 4 '15 at 10:31
...
Uppercase or lowercase doctype?
...>
In XML serializations (i.e. XHTML) the DOCTYPE is not required, but if you use it, DOCTYPE should be uppercase:
<!DOCTYPE html>
See The XML serialization of HTML5, aka ‘XHTML5’:
Note that if you don’t uppercase DOCTYPE in an XHTML document, the XML parser will return a synt...