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Is it possible to make a type only movable and not copyable?
...g.
struct Triplet {
one: int,
two: int,
three: int,
_marker: NoCopy
}
You can also do it by having a destructor (via implementing the Drop trait), but using the marker types is preferred if the destructor is doing nothing.
Types now move by default, that is, when you d...
Prevent errors from breaking / crashing gulp watch
...('end');
}))
.pipe(compass({
config_file: './config.rb',
css: './css'
, sass: './assets/scss'
}))
//minify files
.pipe(rename({suffix: '.min'}))
.pipe(minifycss())
//o...
Why does MYSQL higher LIMIT offset slow the query down?
...with SELECT, the slower the query becomes, when using ORDER BY *primary_key*
6 Answers
...
Combine multiple Collections into a single logical Collection?
...
@jn_ just wrap it in Iterables.unmodifiableIterable(iterable)
– Sean Patrick Floyd
Feb 4 '11 at 10:36
2
...
Retrieving the last record in each group - MySQL
...is standard syntax, we can write greatest-n-per-group queries:
WITH ranked_messages AS (
SELECT m.*, ROW_NUMBER() OVER (PARTITION BY name ORDER BY id DESC) AS rn
FROM messages AS m
)
SELECT * FROM ranked_messages WHERE rn = 1;
Below is the original answer I wrote for this question in 2009:
...
Android: How can I validate EditText input?
...ern.compile("[ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz123456789_]*");
Matcher matcher = pattern.matcher(checkMe);
boolean valid = matcher.matches();
if(!valid){
Log.d("", "invalid");
return "";
}
}
...
ctypes - Beginner
...estlib.so -fPIC testlib.c
# or... for Mac OS X
$ gcc -shared -Wl,-install_name,testlib.so -o testlib.so -fPIC testlib.c
Then, write a wrapper using ctypes:
testlibwrapper.py
import ctypes
testlib = ctypes.CDLL('/full/path/to/testlib.so')
testlib.myprint()
Now execute it:
$ python testlibwrapper...
How do you load custom UITableViewCells from Xib files?
...ell, bundle: nil), forCellReuseIdentifier: MyIdentifier)
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: MyIdentifier, for: indexPath) as! ContactsCell
return cell
}
...
How to use MDC with thread pools?
...swered Sep 12 '16 at 16:59
MyKey_MyKey_
67911 gold badge66 silver badges1717 bronze badges
...
How to handle button clicks using the XML onClick within Fragments
... savedInstanceState) {
View v = inflater.inflate(R.layout.fragment_start, container, false);
Button b = (Button) v.findViewById(R.id.StartButton);
b.setOnClickListener(this);
return v;
}
@Override
public void onClick(View v) {
switch (v.getId())...