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getting the screen density programmatically in android?
... screen size. So the metrics.densityDpi property will be one of the DENSITY_xxx constants (120, 160, 213, 240, 320, 480 or 640 dpi).
If you need the actual lcd pixel density (perhaps for an OpenGL app) you can get it from the metrics.xdpi and metrics.ydpi properties for horizontal and vertical dens...
Scala Doubles, and Precision
...igDecimal:
BigDecimal(1.23456789).setScale(2, BigDecimal.RoundingMode.HALF_UP).toDouble
There are a number of other rounding modes, which unfortunately aren't very well documented at present (although their Java equivalents are).
...
How can I delete multiple lines in vi?
...You can delete multiple(range) lines if you know the line numbers:
:[start_line_no],[end_line_no]d
Note: d stands for delete
where,
start_line_no is the beginning line no you want to delete and
end_line_no is the ending line no you want to delete.
The lines between the start and end, includin...
kill -3 to get java thread dump
...'s stdout is placed. If you have a Tomcat server, this will be the catalina_(date).out file.
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How can I get list of values from dict?
...
You can use * operator to unpack dict_values:
>>> d = {1: "a", 2: "b"}
>>> [*d.values()]
['a', 'b']
or list object
>>> d = {1: "a", 2: "b"}
>>> list(d.values())
['a', 'b']
...
Running V8 Javascript Engine Standalone
...
and if your on x86_64 do a: 'scons arch=x64' until its fixed in trunk code.google.com/p/v8/issues/detail?id=429#c1
– EdH
Sep 19 '11 at 3:15
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Converting milliseconds to a date (jQuery/JavaScript)
...net
//*** It is covered under the license viewable at http://phrogz.net/JS/_ReuseLicense.txt
Date.prototype.customFormat = function(formatString){
var YYYY,YY,MMMM,MMM,MM,M,DDDD,DDD,DD,D,hhhh,hhh,hh,h,mm,m,ss,s,ampm,AMPM,dMod,th;
YY = ((YYYY=this.getFullYear())+"").slice(-2);
MM = (M=this.getM...
GitHub: Permission denied (publickey). fatal: The remote end hung up unexpectedly
... this solution seems very close to what has already been posted by learner_19
– Erik
Sep 17 '14 at 7:49
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mysql Foreign key constraint is incorrectly formed error
...ISAM engine. It's a silly mistake, which I fixed with:
ALTER TABLE parent_table ENGINE=InnoDB;
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UITapGestureRecognizer breaks UITableView didSelectRowAtIndexPath
... This is the cleanest in Swift. Thanks
– Dx_
Aug 8 '16 at 6:00
works well within cells in tableview, lovely ...