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Rails: FATAL - Peer authentication failed for user (PG::Error)
...mynewusername;
You'll know if you were successful because you'll get the output:
CREATE DATABASE
8) Quit the postgres shell:
\q
9) Now the moment of truth:
$ RAILS_ENV=development rake db:migrate
If you get this:
== CreateCats: migrating ================================================...
Custom toast on Android: a simple example
...he below code of a custom Toast. It may help you.
toast.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/toast_layout_root"
android:orientation="horizontal"
android:layout_width="match_parent"
android:layout_height="match_parent"
...
How exactly does tail recursion work?
...and your question. I converted the function into an equivalent one but without explicit recursion (that is, without explicit function calls). If you change the logic into something non-equivalent, you may indeed make the function loop forever in some or all cases.
– Alexey Frun...
LINQ to Entities only supports casting EDM primitive or enumeration types with IEntity interface
...t the class type is used rather than the interface type. EF doesn't know about the interface type so it can't convert it to SQL. With the class constraint the type inferred is the DbSet<T> type which EF knows what to do with.
– jwize
Nov 12 '15 at 20:58
...
Spring @PostConstruct vs. init-method attribute
...in xml file.If you use @postconstruct adding in xml is not required. Check out the below article .
http://answersz.com/spring-postconstruct-and-predestroy/
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Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
... for development. This is for the mailer, it needs a default email to send out notices such as confirmations etc...
You should check the logs on the heroku server heroku logs run that from the console and it will tell you the exact error.
When you push to heroku you need to configure the environ...
How does a Java HashMap handle different objects with the same hash code?
...st to store object.
get(key): HashMap uses Key Object's hashcode to find out bucket location and then call keys.equals() method to identify correct node in LinkedList and return associated value object for that key in Java HashMap.
...
Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
...@num2*@num3
SELECT @mon4 AS moneyresult,
@num4 AS numericresult
Output: 2949.0000 2949.8525
To some of the people who said that you don't divide money by money:
Here is one of my queries to calculate correlations, and changing that to money gives wrong results.
select t1.index_id,t2.in...
Android - shadow on text?
..."android:shadowRadius">1</item>
</style>
And in your layout, use the style like this:
<TextView android:id="@+id/info"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
style="@style/AudioFileInfoOverlayText"
android:gravity="...
Synchronously waiting for an async operation, and why does Wait() freeze the program here
...hould handle it internally, rather than forcing all of the callers to move out of the UI context.
– Servy
Jan 23 '13 at 17:10
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