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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
...t([:first,:email]).group(:first,:email).having("count(*) > 1").count in order to work.
– Rafael Oliveira
Oct 6 '14 at 22:27
4
...
Handle spring security authentication exceptions with @ExceptionHandler
...cationException) throws IOException, ServletException {
response.setContentType("application/json");
response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
response.getOutputStream().println("{ \"error\": \"" + authenticationException.getMessage() + "\" }");
}
}
In ...
Go install fails with error: no install location for directory xxx outside GOPATH
...PYTHONPATH instead of GOPATH. Even (GC)C has LIBRARY_PATH, C_INCLUDE_PATH, etc.
– Hut8
Jan 31 '16 at 0:48
1
...
Running SSH Agent when starting Git Bash on Windows
...to ~/.profile or ~/.bashrc (with ~ being usually set to %USERPROFILE%), in order for said session to launch automatically the ssh-agent. If the file doesn't exist, just create it.
This is what GitHub describes in "Working with SSH key passphrases".
The "Auto-launching ssh-agent on Git for Windows...
Install Application programmatically on Android
...I needed to change the permissions on the apk file to be world readable in order to allow it to be installed that way, otherwise the system was throwing "Parse error: There is a Problem Parsing the Package"; so using solution from @Horaceman that makes:
File file = new File(dir, "App.apk");
file.se...
Password hint font in Android
...TextView;
/**
* This class watches the text input in a password field in order to toggle the field's font so that the hint text
* appears in a normal font and the password appears as monospace.
*
* <p />
* Works around an issue with the Hint typeface.
*
* @author jhansche
* @see <a...
Unable to resolve “unable to get local issuer certificate” using git on Windows with self-signed cer
...ing neutral app like Notepad++) located at:
C:\Program Files (x86)\Git\etc\gitconfig
In the [http] block, I added an option to disable sslVerify. It looked like this when I was done:
[http]
sslVerify = false
sslCAinfo = /bin/curl-ca-bundle.crt
That did the trick.
NOTE:
This di...
jQuery date/time picker [closed]
...t the same themes as well it works very much the same way, similar syntax, etc. This should be packaged with the jQuery UI imo.
share
answered Sep 12 '10 a...
Ruby: require vs require_relative - best practice to workaround running in both Ruby =1.
...c.rindex(/:\d+(:in `.*')?$/)
file = $`
if /\A\((.*)\)/ =~ file # eval, etc.
raise LoadError, "require_relative is called in #{$1}"
end
absolute = File.expand_path(relative_feature, File.dirname(file))
require absolute
end
It basically just uses what Theo answered, but so you can stil...
How to define a circle shape in an Android XML drawable file?
...ApiDemos project:
/ApiDemos/res/drawable/
black_box.xml
shape_5.xml
etc
It will look something like this for a circle with a gradient fill:
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="oval" >
<g...