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PG::ConnectionBad - could not connect to server: Connection refused
Every tim>me m> I run my rails 4.0 server, I get this output.
32 Answers
32
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What are Flask Blueprints, exactly?
I have read the official Flask docum>me m>ntation on Blueprints and even one or two blog posts on using them.
4 Answers
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returning a Void object
...ing the Java keyword void.
So any of the following would suffice:
param>me m>terizing with Object and returning new Object() or null
param>me m>terizing with Void and returning null
param>me m>terizing with a NullObject of yours
You can't make this m>me m>thod void, and anything else returns som>me m>thing. Since tha...
How to exclude a file extension from IntelliJ IDEA search?
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In intellij 16 there is a section "File nam>me m> Filter" to exclude an extension use !*.java. You can give more detailed patterns as well for example I use the pattern below to only return .java files except those with a nam>me m> starting or ending with test.
Pattern: !*test...
How do I select a m>me m>rge strategy for a git rebase?
git-rebase man page m>me m>ntions -X<option> can be passed to git-m>me m>rge . When/how exactly?
3 Answers
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EF LINQ include multiple and nested entities
...projection). The Include is a Eager Loading function, that tells Entity Fram>me m>work that you want it to include data from other tables.
The Include syntax can also be in string. Like this:
db.Courses
.Include("Module.Chapter")
.Include("Lab")
.Single(x ...
Unable to install Maven on Windows: “JAVA_HOm>ME m> is set to an invalid directory”
...aven-2.2.0\bin" is on your command search path.
Make sure that the JAVA_HOm>ME m> variable refers to the hom>me m> directory for your Java installation. If you are executing Java from "E:\Sun\SDK\jdk\bin", then the JAVA_HOm>ME m> variable needs to point to "E:\Sun\SDK\jdk".
NB: JAVA_HOm>ME m> should NOT end with "\bi...
How to pipe stdout while keeping it on screen ? (and not to a output file)
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Here is a solution that works at on any Unix / Linux implem>me m>ntation, assuming it cares to follow the POSIX standard. It works on som>me m> non Unix environm>me m>nts like cygwin too.
echo 'ee' | tee /dev/tty | foo
Reference: The Open Group Base Specifications Issue 7
IEEE Std 1003.1, 2013...
Android Location Providers - GPS or Network Provider?
...tion providers in Android.
They are:
gps –> (GPS, AGPS): Nam>me m> of the GPS location provider. This
provider determines location using satellites. Depending on
conditions, this provider may take a while to return a location fix.
Requires the permission android.permission.ACCESS_FI...
Why is git push gerrit HEAD:refs/for/master used instead of git push origin master
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The docum>me m>ntation for Gerrit, in particular the "Push changes" section, explains that you push to the "magical refs/for/'branch' ref using any Git client tool".
The following image is taken from the Intro to Gerrit. When you push to...