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How do I get elapsed time in milliseconds in Ruby?
...time and strftime functions invaluable in parsing and formatting date/time strings (e.g. to/from logs). What comes in handy to know is:
The formatting characters for these functions (%H, %M, %S, ...) are almost the same as for the C functions found on any Unix/Linux system; and
There are a few mor...
How do I check if the mouse is over an element in jQuery?
...
@psychotik: Yes; $.data doesn't involve string manipulation.
– SLaks
May 17 '10 at 3:32
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Where does the iPhone Simulator store its data?
...r you can po NSHomeDirectory() from the debugger. In either case, copy the string and open it in the finder with Cmd+Shift+G. This works better because you are asking with a standard command instead of needing to know something that changes.
– Benjohn
Jan 5 '1...
Rotating x axis labels in R for barplot
...is,
3:
always vertical.
Also supported by mtext. Note that string/character rotation via argument srt to par does not affect the axis labels.
That is why passing las=2 is the right answer.
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Removing nan values from an array
...ou are filtering nans from an array of objects with mixed types, such as a strings and nans.
– Austin Richardson
Jun 29 '15 at 14:15
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Creating a Radial Menu in CSS
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// see explanation from minute 33:10 youtube.com/watch?v=ehjoh_MmE9A
transform: rotate($curr-angle)
skewY(-$skew-angle)
scaleX($scale-factor);
// add tip for the item n the middle, just a rotated square
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How to handle ListView click in Android
...lv.getItemAtPosition(position);
/* write you handling code like...
String st = "sdcard/";
File f = new File(st+o.toString());
// do whatever u want to do with 'f' File object
*/
}
});
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Android: disabling highlight on listView click
... adapter = new SimpleCursorAdapter(MyList, Layout, c,
new String[] { "Name", "Score" }, to)
{
public boolean areAllItemsEnabled()
{
return false;
}
public boolean isEnabled(int position)
{
return false;
}
};
This will override the...
Difference between timestamps with/without time zone in PostgreSQL
...m You complicate matters with the ::timestamptz. With that you convert the string to TIMESTAMP WITH TIME ZONE, and when that will be further converted to WITHOUT TIME ZONE, that will store the "wall calendar" day and wall clock time of that instant as seen from your session time zone (which is maybe...
PHP date() format when inserting into datetime in MySQL
...ebug it, then the timestamp is much harder to read than the formatted date string described by @tim-lytle.
– humbads
Jun 11 '19 at 17:33
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