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Rails 4: List of available datatypes
...SQL, you can also take advantage of these:
:hstore
:json
:jsonb
:array
:cidr_address
:ip_address
:mac_address
They are stored as strings if you run your app with a not-PostgreSQL database.
Edit, 2016-Sep-19:
There's a lot more postgres specific datatypes in Rails 4 and even more in Rails 5.
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Height equal to dynamic width (CSS fluid layout) [duplicate]
Is it possible to set same height as width (ratio 1:1)?
9 Answers
9
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registerForRemoteNotificationTypes: is not supported in iOS 8.0 and later
...ou need to get permission to show one. This is described in the WWDC 2014 video "What's New in iOS Notifications"
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Kill child process when parent process is killed
...bjects" http://msdn.microsoft.com/en-us/library/ms682409(VS.85).aspx.
The idea is to create a "job object" for your main application, and register your child processes with the job object. If the main process dies, the OS will take care of terminating the child processes.
public enum JobObjectInfo...
AlertDialog.Builder with custom layout and EditText; cannot access view
...rence of alertDialog
EditText editText = (EditText) alertDialog.findViewById(R.id.label_field);
Update:
Because in code line dialogBuilder.setView(inflater.inflate(R.layout.alert_label_editor, null));
inflater is Null.
update your code like below, and try to understand the each code line
Ale...
Parse query string in JavaScript [duplicate]
...ther: 2}. From there, it's easy to extract the variable you need.
That said, it does not deal with array cases such as "hello=1&hello=2&hello=3". To work with this, you must check whether a property of the object you make exists before adding to it, and turn the value of it into an array, ...
How to read values from properties file?
...n define a bean with properties, inject and process it manually:
<bean id="myProperties"
class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="locations">
<list>
<value>classpath*:my.properties</value>
</list&g...
How to scroll to an element inside a div?
...en I click on it, it will force this div to scroll to view an element inside.
I wrote its JavasSript like this:
16 Answer...
What is the use of the @ symbol in PHP?
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That was a bit of a quick draw!
– Aiden Bell
Jun 23 '09 at 12:09
6
Yeah; down t...
Multiline TextView in Android?
I did like below in xml
18 Answers
18
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