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how to get the current working directory's absolute path from irb
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answered Dec 21 '09 at 1:31
user85509user85509
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Trigger change() event when setting 's value with val() function
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edited Apr 30 '15 at 9:12
Christos
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How to create own dynamic type or dynamic object in C#?
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Mario SannumMario Sannum
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Are non-synchronised static methods thread safe if they don't modify static class variables?
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This method is 100% thread safe, it would be even if it wasn't static. The problem with thread-safety arises when you need to share data between threads - you must take care of atomicity, visibility, etc.
This method only operates on parame...
Commands executed from vim are not recognizing bash command aliases
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answered Jan 10 '11 at 0:48
Josh LeeJosh Lee
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Ask for User Permission to Receive UILocalNotifications in iOS 8
...local notifications. In Swift you can do it like this,
Update for Swift 2.0
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: NSDictionary?) -> Bool {
// Override point for customization after application launch.
if(UIApplication.instancesRespondT...
How can I change a file's encoding with vim?
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answered Apr 22 '09 at 16:25
Brian AgnewBrian Agnew
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Retain precision with double in Java
...sult of 5.6 + 5.8.
When requiring a value that is exact, such as 1.5 or 150.1005, you'll want to use one of the fixed-point types, which will be able to represent the number exactly.
As has been mentioned several times already, Java has a BigDecimal class which will handle very large numbers and v...
DBMS_OUTPUT.PUT_LINE not printing
...unlimited]. So you'd do something like
SQL> set serveroutput on size 30000;
SQL> exec print_actor_quotes( <<some value>> );
In SQL Developer, you'd go to View | DBMS Output to enable the DBMS Output window, then push the green plus icon to enable DBMS Output for a particular se...
SQL order string as number
...h forces a conversion to number
select col from yourtable
order by col + 0
BTW MySQL converts strings from left to right. Examples:
string value | integer value after conversion
--------------+--------------------------------
'1' | 1
'ABC' | 0 /* the string does not cont...