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Rails: FATAL - Peer authentication failed for user (PG::Error)
...o check the version of postgres if multiple versions are available
psql=# select VERSION();
PostgreSQL 9.1.13 on x86_64-unk.... # so version is 9.1
Now Open postgres user
vim /etc/postgresql/9.1/main/pg_hba.conf
9.1 is version return form upper command
and replace
local all ...
What are the best JVM settings for Eclipse? [closed]
...ndows when you double click a file that is associated with eclipse, or you select files and choose "Open With" or "Send To" Eclipse.
Relative paths will be resolved first against the current working directory, and second against the eclipse program directory.
See bug 301033 for reference. Ori...
Multi-gradient shapes
...Shape());
p.setShaderFactory(sf);
Basically, the int array allows you to select multiple color stops, and the following float array defines where those stops are positioned (from 0 to 1). You can then, as stated, just use this as a standard Drawable.
Edit: Here's how you could use this in your sc...
Drawing a line/path on Google Maps
...
// This Activity will draw a line between two selected points on Map
public class MainActivity extends MapActivity {
MapView myMapView = null;
MapController myMC = null;
GeoPoint geoPoint = null;
/** Called when the activity is first created. */
@Override
public ...
Cross browser JavaScript (not jQuery…) scroll to top animation
...rollTo(document.body, 0, 600);
}
var scrollme;
scrollme = document.querySelector("#scrollme");
scrollme.addEventListener("click",runScroll,false)
function scrollTo(element, to, duration) {
if (duration <= 0) return;
var difference = to - element.scrollTop;
var perTick = difference...
Create a Date with a set timezone without using a string representation
...urs to find out that the reason was a wrong month.
– Select0r
Feb 28 '12 at 14:17
4
This answer i...
Monad in plain English? (For the OOP programmer with no FP background)
...on, that composition is associative, and so on.
In C#, "Bind" is called "SelectMany". Take a look at how it works on the sequence monad. We need to have two things: turn a value into a sequence and bind operations on sequences. As a bonus, we also have "turn a sequence back into a value". Those op...
Daylight saving time and time zone best practices [closed]
...tal).
Test transition of DST, i.e. when you are currently in summer time, select a time value from winter.
Test boundary cases, such as a timezone that is UTC+12, with DST, making the local time UTC+13 in summer and even places that are UTC+13 in winter
Test all third-party libraries and applicatio...
Peak signal detection in realtime timeseries data
...lter(i) to std(filteredY(i-lag),...,filteredY(i));
end
Rules of thumb for selecting good parameters for your data can be found below.
Demo
The Matlab code for this demo can be found here. To use the demo, simply run it and create a time series yourself by clicking on the upper chart. The algorith...
Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)
....
*/
private int bottomOffsetPixels;
/**
* A currently selected marker
*/
private Marker marker;
/**
* Our custom view which is returned from either the InfoWindowAdapter.getInfoContents
* or InfoWindowAdapter.getInfoWindow
*/
private View infoW...