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How to swap two variables in JavaScript
...as Infinity and NaN.
a = b + (b=a, 0)
It works in two steps:
(b=a, 0) sets b to the old value of a and yields 0
a = b + 0 sets a to the old value of b
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Resource interpreted as Document but transferred with MIME type application/zip
...em when serving up a PDF file (MIME type application/pdf) and solved it by setting the Content-Disposition header, e.g.:
Content-Disposition: attachment; filename=foo.pdf
Hope that helps.
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Android - drawable with rounded corners at the top only
...cific corners to not be rounded, a work-around is to use android:radius to set a default corner radius greater than 1, but then override" - not true, i specify bottom right, top right, top left as zero and bottom left +ve and bottom left is correctly curved
– hmac
...
Code for a simple JavaScript countdown timer?
...
var count=30;
var counter=setInterval(timer, 1000); //1000 will run it every 1 second
function timer()
{
count=count-1;
if (count <= 0)
{
clearInterval(counter);
//counter ended, do something here
return;
}
//Do code for...
How to explain dependency injection to a 5-year-old? [closed]
...blic Address getAddress() {
return this.address;
}
public void setAddress( Address newAddress ) {
this.address = newAddress;
}
}
Everything looks fine so far.
This code shows a HAS-A relationship between the employee and his address, that's fine.
Now, this HAS-A relation...
How can I open a URL in Android's web browser from my application?
...ttp://www.stackoverflow.com";
Intent i = new Intent(Intent.ACTION_VIEW);
i.setData(Uri.parse(url));
startActivity(i);
that could be changed to a short code version ...
Intent intent = new Intent(Intent.ACTION_VIEW).setData(Uri.parse("http://www.stackoverflow.com"));
startActivity(intent);...
Suppress warning CS1998: This async method lacks 'await'
...ote: no "async"
{
var tcs = new TaskCompletionSource<int>();
tcs.SetException(new NotImplementedException());
return tcs.Task;
}
If you have a lot of methods throwing NotImplementedException (which itself may indicate that some design-level refactoring would be good), then you could wr...
SQLAlchemy default DateTime
...y about manually adding a timestamp call to your script--the database will set it automatically.
Understanding SQLAlchemy's onupdate/server_onupdate
SQLAlchemy also supports onupdate so that anytime the row is updated it inserts a new timestamp. Again, best to tell the DB to calculate the timestamp ...
How can I get the current page's full URL on a Windows/IIS server?
... a WordPress installation to a new folder on a Windows/ IIS server. I'm setting up 301 redirects in PHP, but it doesn't seem to be working. My post URLs have the following format:
...
Gridview height gets cut
...ext);
}
public ExpandableHeightGridView(Context context, AttributeSet attrs)
{
super(context, attrs);
}
public ExpandableHeightGridView(Context context, AttributeSet attrs,
int defStyle)
{
super(context, attrs, defStyle);
}
public boolea...